URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Submission: On May 14 via automatic, source hackernews

Summary

This website contacted 19 IPs in 4 countries across 14 domains to perform 84 HTTP transactions. The main IP is 104.16.155.14, located in United States and belongs to CLOUDFLARENET - Cloudflare, Inc., US. The main domain is www.pnas.org.
TLS certificate: Issued by COMODO ECC Domain Validation Secure S... on April 11th 2019. Valid for: 6 months.
This is the only time www.pnas.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
48 104.16.155.14 13335 (CLOUDFLAR...)
2 2606:4700::68... 13335 (CLOUDFLAR...)
4 54.152.110.122 14618 (AMAZON-AES)
3 13.35.253.35 16509 (AMAZON-02)
2 172.217.16.164 15169 (GOOGLE)
2 13.35.253.8 16509 (AMAZON-02)
2 4 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 13.35.253.68 16509 (AMAZON-02)
4 2606:2800:234... 15133 (EDGECAST)
1 2a03:2880:f11... 32934 (FACEBOOK)
5 172.64.207.16 13335 (CLOUDFLAR...)
1 104.244.42.72 13414 (TWITTER)
3 172.64.206.16 13335 (CLOUDFLAR...)
1 52.216.129.155 16509 (AMAZON-02)
1 2606:4700:30:... 13335 (CLOUDFLAR...)
1 2606:4700:30:... 13335 (CLOUDFLAR...)
1 13.35.253.52 16509 (AMAZON-02)
84 19
Domain Requested by
48 www.pnas.org www.pnas.org
6 www.trendmd.com js.trendmd.com
www.pnas.org
4 platform.twitter.com www.pnas.org
platform.twitter.com
4 www.google-analytics.com 2 redirects www.pnas.org
js.trendmd.com
3 cdn.foxycart.com www.pnas.org
cdn.foxycart.com
2 academia.trendmd.com js.trendmd.com
2 cc.trendmd.co js.trendmd.com
www.pnas.org
2 movie-usa.glencoesoftware.com www.pnas.org
2 stats.g.doubleclick.net www.pnas.org
2 crossmark-cdn.crossref.org www.pnas.org
2 scholar.google.com www.pnas.org
scholar.google.com
2 pnas-movie.glencoesoftware.com www.pnas.org
2 cdn.jsdelivr.net www.pnas.org
1 pnas.ecommerce.highwire.org www.pnas.org
1 trendmd.s3.amazonaws.com js.trendmd.com
1 syndication.twitter.com www.pnas.org
1 www.facebook.com www.pnas.org
1 js.trendmd.com www.pnas.org
84 18
Subject Issuer Validity Valid
ssl418187.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2
2019-04-11 -
2019-10-18
6 months crt.sh
ssl363648.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2
2019-04-06 -
2019-10-13
6 months crt.sh
*.glencoesoftware.com
Go Daddy Secure Certificate Authority - G2
2019-01-03 -
2021-03-01
2 years crt.sh
*.foxycart.com
Amazon
2019-01-16 -
2020-02-16
a year crt.sh
*.google.com
Google Internet Authority G3
2019-04-16 -
2019-07-09
3 months crt.sh
*.crossref.org
RapidSSL RSA CA 2018
2018-02-26 -
2020-05-15
2 years crt.sh
*.google-analytics.com
Google Internet Authority G3
2019-04-16 -
2019-07-09
3 months crt.sh
*.g.doubleclick.net
Google Internet Authority G3
2019-04-16 -
2019-07-09
3 months crt.sh
www.js.trendmd.com
Amazon
2018-09-13 -
2019-10-13
a year crt.sh
*.twimg.com
DigiCert SHA2 High Assurance Server CA
2018-11-19 -
2019-11-27
a year crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2019-04-22 -
2019-07-21
3 months crt.sh
sni.cloudflaressl.com
CloudFlare Inc ECC CA-2
2019-01-29 -
2020-01-29
a year crt.sh
syndication.twitter.com
DigiCert SHA2 High Assurance Server CA
2019-04-09 -
2020-04-01
a year crt.sh
*.s3.amazonaws.com
DigiCert Baltimore CA-2 G2
2018-11-07 -
2020-02-07
a year crt.sh
*.ecommerce.highwire.org
Amazon
2018-12-26 -
2020-01-26
a year crt.sh

This page contains 4 frames:

Primary Page: https://www.pnas.org/content/early/2019/05/07/1821419116
Frame ID: 3C818225BF2A46F8F661ED5509D98A66
Requests: 83 HTTP requests in this frame

Frame: https://www.facebook.com/plugins/like.php?href=https%3A//www.pnas.org/content/early/2019/05/07/1821419116&layout=button_count&show_faces=false&action=like&colorscheme=light&width=100&height=21&font=&locale=
Frame ID: 94908FEE049D5F126A529ECDCCB17EF1
Requests: 1 HTTP requests in this frame

Frame: https://platform.twitter.com/widgets/widget_iframe.2e9f365dae390394eb8d923cba8c5b11.html?origin=https%3A%2F%2Fwww.pnas.org&settingsEndpoint=https%3A%2F%2Fsyndication.twitter.com%2Fsettings
Frame ID: 2B91D6F8402A2805354936D33E4B8943
Requests: 1 HTTP requests in this frame

Frame: https://platform.twitter.com/widgets/tweet_button.2e9f365dae390394eb8d923cba8c5b11.en.html
Frame ID: 7C37A393FC323E48462EAA6756E1B982
Requests: 1 HTTP requests in this frame

Screenshot


Detected technologies

Overall confidence: 100%
Detected patterns
  • headers expires /19 Nov 1978/i
  • env /^Drupal$/i

Overall confidence: 100%
Detected patterns
  • headers expires /19 Nov 1978/i
  • env /^Drupal$/i

Overall confidence: 100%
Detected patterns
  • env /^MathJax$/i

Overall confidence: 100%
Detected patterns
  • headers via /.*Varnish/i

Overall confidence: 100%
Detected patterns
  • env /^VideoJS$/i

Overall confidence: 100%
Detected patterns
  • headers server /cloudflare/i

Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|(analytics))\.js/i
  • env /^gaGlobal$/i

Overall confidence: 100%
Detected patterns
  • env /^Modernizr$/i

Overall confidence: 100%
Detected patterns
  • env /^jQuery$/i

Page Statistics

84
Requests

100 %
HTTPS

39 %
IPv6

14
Domains

18
Subdomains

19
IPs

4
Countries

977 kB
Transfer

2284 kB
Size

6
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 46
  • https://www.google-analytics.com/r/collect?v=1&_v=j73&aip=1&a=1581760454&t=pageview&_s=1&dl=https%3A%2F%2Fwww.pnas.org%2Fcontent%2Fearly%2F2019%2F05%2F07%2F1821419116&ul=en-us&de=UTF-8&dt=External%20power%20amplification%20drives%20prey%20capture%20in%20a%20spider%20web%20%7C%20PNAS&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=YEBAAEAB~&jid=221350241&gjid=2099957340&cid=1383494149.1557800330&tid=UA-677185-1&_gid=1869985919.1557800330&_r=1&z=1643648065 HTTP 302
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-677185-1&cid=1383494149.1557800330&jid=221350241&_gid=1869985919.1557800330&gjid=2099957340&_v=j73&z=1643648065
Request Chain 47
  • https://www.google-analytics.com/r/collect?v=1&_v=j73&a=1581760454&t=pageview&_s=1&dl=https%3A%2F%2Fwww.pnas.org%2Fcontent%2Fearly%2F2019%2F05%2F07%2F1821419116&ul=en-us&de=UTF-8&dt=External%20power%20amplification%20drives%20prey%20capture%20in%20a%20spider%20web%20%7C%20PNAS&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=YEDAAEAB~&jid=381538509&gjid=1641650196&cid=1383494149.1557800330&tid=UA-189672-21&_gid=1869985919.1557800330&_r=1&z=162566039 HTTP 302
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-189672-21&cid=1383494149.1557800330&jid=381538509&_gid=1869985919.1557800330&gjid=1641650196&_v=j73&z=162566039

84 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request 1821419116
www.pnas.org/content/early/2019/05/07/
168 KB
32 KB
Document
General
Full URL
https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
e1680d0077c9b28f402a9615187937c953075c2ee4edb5a12a35cb9b616f0f05
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

:method
GET
:authority
www.pnas.org
:scheme
https
:path
/content/early/2019/05/07/1821419116
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status
200
date
Tue, 14 May 2019 02:18:48 GMT
content-type
text/html; charset=utf-8
set-cookie
__cfduid=df3ea838b2b7d84f14408709f0a1dc79c1557800326; expires=Wed, 13-May-20 02:18:46 GMT; path=/; domain=.pnas.org; HttpOnly
age
0
cache-control
no-cache, must-revalidate
cf-railgun
313a369ad1 stream 0.000000 0210 e6be
content-language
en
expires
Sun, 19 Nov 1978 05:00:00 GMT
link
<https://www.pnas.org/content/early/2019/05/07/1821419116>; rel="canonical"
vary
Accept-Encoding
via
1.1 varnish
x-content-type-options
nosniff
x-drupal-cache
MISS
x-frame-options
SAMEORIGIN
x-generator
Drupal 7 (http://drupal.org)
x-highwire-login
login-page
x-highwire-sitecode
pnas
x-highwire-smart-code
pnas_production
x-varnish
1553674625
x-varnish-cache
x-varnish-ttl
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
server
cloudflare
cf-ray
4d69622acca596da-FRA
content-encoding
gzip
css__zUOsaJT2-txr78Pro2jqp5HkKYs7CY9FbkfBemQXYlw__kiQOVz2drquY4Y9F8gINaFiOXWD3R3YCpizYXeeITSI__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
www.pnas.org/sites/default/files/advagg_css/
42 KB
9 KB
Stylesheet
General
Full URL
https://www.pnas.org/sites/default/files/advagg_css/css__zUOsaJT2-txr78Pro2jqp5HkKYs7CY9FbkfBemQXYlw__kiQOVz2drquY4Y9F8gINaFiOXWD3R3YCpizYXeeITSI__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c02294ef2fe845833427d6e2d135fae147906099493d047e2347a9a739e48e62
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3531.965
content-type
text/css
content-length
8680
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:06:24 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440953188 1440932059
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238aef696da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
highwire.style.highwire.css
www.pnas.org/sites/all/modules/highwire/highwire/
5 KB
2 KB
Stylesheet
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/highwire.style.highwire.css?prd29p
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
33165e42f1aa8576d53f045169fbf02fca6684b71384170366663bbc01688ec7
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
content-type
text/css
content-length
1943
x-highwire-smart-code
pnas_production
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"1501-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1506715344
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d696238aef796da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
css__IBZ9mHpn46TRp2BimuZ9LV8gzg5ve38Vt8Ur3OYiiIE__wmM3gmvNzotx6HiqdRMF6M93_A7RhsBfzdg2QXC7uuE__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
www.pnas.org/sites/default/files/advagg_css/
1 KB
634 B
Stylesheet
General
Full URL
https://www.pnas.org/sites/default/files/advagg_css/css__IBZ9mHpn46TRp2BimuZ9LV8gzg5ve38Vt8Ur3OYiiIE__wmM3gmvNzotx6HiqdRMF6M93_A7RhsBfzdg2QXC7uuE__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
1e985f6c4013d92af348af8ccf8a6e0fc6734dfe5fdeeac36030e0812ec70f12
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3668.981
content-type
text/css
content-length
518
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:08:41 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
811760252 811744518
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238aef896da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
jquery.qtip.min.css
cdn.jsdelivr.net/qtip2/2.2.1/
9 KB
2 KB
Stylesheet
General
Full URL
https://cdn.jsdelivr.net/qtip2/2.2.1/jquery.qtip.min.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5614 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
52f72d7e7e72d2ce6c1cb238fa471a45f68a642b4bafbf4148092535cfd8a813
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
cf-ray
4d696238ab33bf28-FRA
x-cache
HIT, HIT
status
200
vary
Accept-Encoding
x-served-by
cache-ams21048-AMS, cache-fra19150-FRA
server
cloudflare
etag
W/"2365-6e7l/+mr3uaqPPRXCJh4PO2Gxn4"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/css; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
timing-allow-origin
*
css__4uEfDkKPepCBS_e_kl-VpAx91UuoD0jZFgbQReUdn6o___l0aLLVNoXBPJJFjcDyuYz4OPlZZ8fvnjbekJL2_NTw__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
www.pnas.org/sites/default/files/advagg_css/
24 KB
5 KB
Stylesheet
General
Full URL
https://www.pnas.org/sites/default/files/advagg_css/css__4uEfDkKPepCBS_e_kl-VpAx91UuoD0jZFgbQReUdn6o___l0aLLVNoXBPJJFjcDyuYz4OPlZZ8fvnjbekJL2_NTw__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c0dc8cafa92ec58ecfd1ad309be01e2e062033ff629592535ed5a7a21504ee67
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3531.470
content-type
text/css
content-length
4580
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:06:43 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440957845 1440936743
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238aef996da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
video-js.min.css
pnas-movie.glencoesoftware.com/static/
44 KB
16 KB
Stylesheet
General
Full URL
https://pnas-movie.glencoesoftware.com/static/video-js.min.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
54.152.110.122 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-54-152-110-122.compute-1.amazonaws.com
Software
nginx/1.14.1 /
Resource Hash
63d73e7dc29e571126b8d303beb075f3a51bdeae39319f16153dd8324e4da8b3

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Tue, 14 May 2019 02:18:49 GMT
Content-Encoding
gzip
Last-Modified
Thu, 04 Apr 2019 17:02:22 GMT
Server
nginx/1.14.1
ETag
W/"5ca6389e-aefc"
Transfer-Encoding
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Content-Type
text/css
Access-Control-Allow-Origin
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Connection
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8 KB
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Stylesheet
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Full URL
https://www.pnas.org/sites/default/files/advagg_css/css__7CYEtfDxMu3CEBZ53TQrEfMpO7duR_XdIuTLye9W7Cc__CzzPXev2zJRWVry4kyDAKuuERTizWaGzrN8gCp2auaE__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
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Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3505.883
content-type
text/css
content-length
1736
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:06:18 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
811764903 811735887
via
1.1 varnish
x-highwire-sitecode
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cache-control
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accept-ranges
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cf-ray
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expires
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css__S7-tnvCecvuAYxQ3H3EqEwxIC66NOergJUBwtR_2OCI__pJ67g6djZ_6OJVeeE8poinudMyXV3bI9pk-uPnVo_0Q__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
www.pnas.org/sites/default/files/advagg_css/
140 KB
26 KB
Stylesheet
General
Full URL
https://www.pnas.org/sites/default/files/advagg_css/css__S7-tnvCecvuAYxQ3H3EqEwxIC66NOergJUBwtR_2OCI__pJ67g6djZ_6OJVeeE8poinudMyXV3bI9pk-uPnVo_0Q__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3532.240
content-type
text/css
content-length
26522
x-highwire-smart-code
pnas_production
last-modified
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server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440958234 1440936010
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238aefd96da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
modernizr.min.js
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11 KB
5 KB
Script
General
Full URL
https://www.pnas.org/sites/all/libraries/modernizr/modernizr.min.js?prd29p
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
content-type
application/x-javascript
content-length
4621
x-highwire-smart-code
pnas_production
last-modified
Mon, 08 Apr 2019 18:23:28 GMT
server
cloudflare
etag
"2acb-58608eecfa800"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
877477120
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
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cf-ray
4d696238aefe96da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
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208 KB
66 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3661.764
content-type
text/javascript
content-length
66941
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:09:21 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
811771204 811738403
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238aeff96da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
js__blbFI0nPUbOCDUQ2dS5ynIzRi3TRYb7q43GQNkurrsc__ZYpfQVsqwoxblUr8TXoIRPE9qRgXVmeAyG24wbs9L4c__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
www.pnas.org/sites/default/files/advagg_js/
13 KB
5 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__blbFI0nPUbOCDUQ2dS5ynIzRi3TRYb7q43GQNkurrsc__ZYpfQVsqwoxblUr8TXoIRPE9qRgXVmeAyG24wbs9L4c__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3583.125
content-type
text/javascript
content-length
5150
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:08:02 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440964546 1440946494
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238af0096da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
loader.js
cdn.foxycart.com/pnas.ecommerce.highwire.org/
1 KB
719 B
Script
General
Full URL
https://cdn.foxycart.com/pnas.ecommerce.highwire.org/loader.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
13.35.253.35 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-35-253-35.fra6.r.cloudfront.net
Software
nginx /
Resource Hash
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Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 14 May 2019 00:44:19 GMT
content-encoding
gzip
server
nginx
age
5670
x-cache
Hit from cloudfront
content-type
application/x-javascript
status
200
cache-control
max-age=90, s-maxage=21600, public
content-length
433
via
1.1 a7dcca466407f1871feceef50bc84272.cloudfront.net (CloudFront)
x-amz-cf-id
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www.pnas.org/sites/default/files/advagg_js/
2 KB
1 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__IBM5LrU6V_9IHDow9uvaTZj6hSk8OauPIL06zKFXP9E__sSVK9Wk1leVNQSDhpslSC7eHBDkvUkwvqpqFBoR55fE__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3565.596
content-type
text/javascript
content-length
940
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:07:44 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440964543 1440936744
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238af0296da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
casa.js
scholar.google.com/scholar_js/
7 KB
3 KB
Script
General
Full URL
https://scholar.google.com/scholar_js/casa.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.217.16.164 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra15s11-in-f4.1e100.net
Software
scholar /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 14 May 2019 01:29:46 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
scholar
age
2943
x-frame-options
SAMEORIGIN
content-type
text/javascript
status
200
cache-control
public, max-age=3600
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="46,44,43,39"
content-length
3119
x-xss-protection
0
expires
Tue, 14 May 2019 02:29:46 GMT
js__OaHnYyci68QTwctdRYR30kEfu0eYWBrLyMqy8THv5Ik__IyfJQYM1q1QEPwYsK_Eslh2RQkxpy6yo-nR0p4DWPQQ__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
www.pnas.org/sites/default/files/advagg_js/
5 KB
2 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__OaHnYyci68QTwctdRYR30kEfu0eYWBrLyMqy8THv5Ik__IyfJQYM1q1QEPwYsK_Eslh2RQkxpy6yo-nR0p4DWPQQ__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3562.457
content-type
text/javascript
content-length
1673
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:07:41 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440964540 1440937868
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238bf0a96da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
jquery.qtip.min.js
cdn.jsdelivr.net/qtip2/2.2.1/
43 KB
16 KB
Script
General
Full URL
https://cdn.jsdelivr.net/qtip2/2.2.1/jquery.qtip.min.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
cf-ray
4d696238ab35bf28-FRA
x-cache
HIT, HIT
status
200
vary
Accept-Encoding
x-served-by
cache-ams21029-AMS, cache-fra19135-FRA
server
cloudflare
etag
W/"ad08-74FhVFBODXTcZEHe0gdDyEfrZr8"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
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access-control-allow-origin
*
access-control-expose-headers
*
cache-control
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timing-allow-origin
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24 KB
8 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__yRrasEyyuW_2NPp_kYtN0agttOt8D-pZgmxdWS8_Bqc__sZipGTPbN_D9i4UOMHlpvhs4clUGNlf_1Tg7Rh6Urkw__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3542.699
content-type
text/javascript
content-length
7831
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:07:21 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
811771211 811743268
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238bf0b96da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
js__XbWQs20pAqm7qyhz0JN9mvqCMgJ_97ytwI0VbmV0lRw__2pBlh_Ca6jt9ogcgLmD-uOVAqEbmt3wJh5TM-ikEyvs__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
www.pnas.org/sites/default/files/advagg_js/
10 KB
3 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__XbWQs20pAqm7qyhz0JN9mvqCMgJ_97ytwI0VbmV0lRw__2pBlh_Ca6jt9ogcgLmD-uOVAqEbmt3wJh5TM-ikEyvs__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c868e828ca5fba8a617adf2b44ba0241616f976837ef0b4d9d7ae0a244d89c95
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3652.312
content-type
text/javascript
content-length
2870
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:09:11 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440964541 1440929536
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d696238bf0c96da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
logo-pnas-white-header2x.png
www.pnas.org/sites/default/files/
12 KB
13 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/logo-pnas-white-header2x.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
29d911bfa11bee0ca92c0aadc8c09f5188ed522843c0faf8c145622dfdc17e52
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
origSize=23563
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
12617
x-highwire-smart-code
pnas_production
x-varnish
1027808193
last-modified
Fri, 17 Nov 2017 18:00:01 GMT
server
cloudflare
etag
"5c0b-55e3181676a40"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d6962398f9996da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
CROSSMARK_Color_square.svg
crossmark-cdn.crossref.org/widget/v2.0/logos/
9 KB
10 KB
Image
General
Full URL
https://crossmark-cdn.crossref.org/widget/v2.0/logos/CROSSMARK_Color_square.svg
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
13.35.253.8 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-35-253-8.fra6.r.cloudfront.net
Software
http-kit /
Resource Hash
c86e5592327651c740c761aef1bec78fa04d5552dc1a7dcae75ec9a26d56eb05

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Mon, 13 May 2019 19:36:12 GMT
Via
1.1 e0bc02299b03254b2a35b8c930f005c6.cloudfront.net (CloudFront)
Last-Modified
Thu, 25 May 2017 15:07:50 +0000
Server
http-kit
Age
83399
X-Cache
Hit from cloudfront
Content-Type
image/svg+xml
Connection
keep-alive
Content-Length
9665
X-Amz-Cf-Id
dFq9fVur3fVcpPV_5vCU4y2WbIrMBNc5mNG92EVuHw3nW2OVz5NXsg==
loading.gif
www.pnas.org/sites/all/modules/contrib/panels_ajax_tab/images/
1 KB
1 KB
Image
General
Full URL
https://www.pnas.org/sites/all/modules/contrib/panels_ajax_tab/images/loading.gif
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
d80677feb06d7e806718485ae8a3b94f23e63bcc1a0f4cbe477ad0d1d8a01bc4
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
origSize=1341
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
1170
x-highwire-smart-code
pnas_production
x-varnish
967312461
last-modified
Mon, 08 Apr 2019 18:23:28 GMT
server
cloudflare
etag
"53d-58608eecfa800"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/gif
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d696239afa496da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
delicious-32.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
105 B
244 B
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/delicious-32.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
090451823d708f4d2d67dcee660b6542d2479497893de8cc768bacf1c04dd587
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=145
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
105
x-highwire-smart-code
pnas_production
x-varnish
2029346897
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"91-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623a683e96da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
digg.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
436 B
554 B
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/digg.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c31f805241bf5f970b49860932fb91a67be62649ba0ffd658b2d78df5fb322a1
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=1845
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
436
x-highwire-smart-code
pnas_production
x-varnish
1092107469
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"735-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623a683f96da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
reddit.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
542 B
677 B
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/reddit.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
75c9d20761bdec7aad7dc43baae9f51aee370ee0616847597c75fe9ed9f925f9
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=2102
status
200
x-varnish-ttl
3599.267
cf-bgj
imgq:100
content-length
542
x-highwire-smart-code
pnas_production
x-varnish
963348449 963348237
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"836-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623ac88696da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
twitter.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
466 B
626 B
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/twitter.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
0a0ca3b159119c27cc8b1940e37b78f12ecf04c8722929f17de14f12ee4cf6d6
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=724
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
466
x-highwire-smart-code
pnas_production
x-varnish
1231381477
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"2d4-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623ae89f96da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
citeyoulike.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
545 B
681 B
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/citeyoulike.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
3629e73993a00fdf727f3785d25aee32b7e1616d57b4fb1243fa3aba0d1cfe05
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=1624
status
200
x-varnish-ttl
3422.621
cf-bgj
imgq:100
content-length
545
x-highwire-smart-code
pnas_production
x-varnish
13086720 13045905
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"658-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623af8ab96da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
fb-blue.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
683 B
870 B
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/fb-blue.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c2dbc144d494eceebce886b4e6ece38517563d9c5deb47e504a4561eece57df8
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=751
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
683
x-highwire-smart-code
pnas_production
x-varnish
1900747244
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"2ef-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623b18c696da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
google-32.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
588 B
699 B
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/google-32.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
bd6a017f6f2cf7b7377f2734c1bccab8cccb39efdabb8b1be49af98b1f21e3f0
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
status=not_needed
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
588
x-highwire-smart-code
pnas_production
x-varnish
963339658
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"24c-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623b38e096da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
mendeley.png
www.pnas.org/sites/all/modules/highwire/highwire/images/
2 KB
2 KB
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/images/mendeley.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
fc265dd662dbf51d082e95469d44f6feba7e341d9ad800fdaf23db2ba8214cbd
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=2450
status
200
x-varnish-ttl
0
cf-bgj
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content-length
1599
x-highwire-smart-code
pnas_production
x-varnish
2048406256
last-modified
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server
cloudflare
etag
"992-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623b48ec96da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
19.cover-source.jpg
www.pnas.org/sites/default/files/styles/large/public/highwire/pnas/116/
29 KB
29 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/styles/large/public/highwire/pnas/116/19.cover-source.jpg?itok=y4rBmrJx
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
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status
200
x-varnish-ttl
cf-bgj
imgq:100
content-length
29457
x-highwire-smart-code
pnas_production
x-varnish
782942761
last-modified
Tue, 07 May 2019 17:14:38 GMT
server
cloudflare
etag
W/"7773-5884f7870b700"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623b791796da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
podcast35.220.jpg
www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/
8 KB
9 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/podcast35.220.jpg?itok=Q-dOIiFQ
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
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status
200
x-varnish-ttl
cf-bgj
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content-length
8592
x-highwire-smart-code
pnas_production
x-varnish
910318902
last-modified
Mon, 13 May 2019 13:11:21 GMT
server
cloudflare
etag
W/"2338-588c4c9e8d480"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623b993796da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
frontmatter94.png
www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/
60 KB
60 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/frontmatter94.png?itok=615UHqrc
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
origSize=71545
status
200
x-varnish-ttl
cf-bgj
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content-length
61575
x-highwire-smart-code
pnas_production
x-varnish
806193273
last-modified
Wed, 08 May 2019 16:49:56 GMT
server
cloudflare
etag
W/"11779-588633ed77240"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623bc96596da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
18-08336.500.jpg
www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/
6 KB
6 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/18-08336.500.jpg?itok=VR8voLv3
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
origSize=6459
status
200
x-varnish-ttl
cf-bgj
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content-length
5894
x-highwire-smart-code
pnas_production
x-varnish
754574699
last-modified
Mon, 06 May 2019 13:10:50 GMT
server
cloudflare
etag
W/"193b-58837f4f79b80"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623bf98596da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
19-00556.220.jpg
www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/
6 KB
6 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/19-00556.220.jpg?itok=Rj6279wF
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
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status
200
x-varnish-ttl
cf-bgj
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content-length
6228
x-highwire-smart-code
pnas_production
x-varnish
1383768464
last-modified
Mon, 06 May 2019 13:13:28 GMT
server
cloudflare
etag
W/"1a02-58837ff8469c0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623c09a096da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
19-00233.220.jpg
www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/
14 KB
14 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/styles/medium/public/additional-assets/featured-item/19-00233.220.jpg?itok=Q-MJfqMD
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
origSize=15721
status
200
x-varnish-ttl
cf-bgj
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content-length
14619
x-highwire-smart-code
pnas_production
x-varnish
1383848710
last-modified
Mon, 06 May 2019 13:17:47 GMT
server
cloudflare
etag
W/"3d69-5883804d27200"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623c09a196da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
pnas_2x.png
www.pnas.org/sites/default/files/
8 KB
8 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/pnas_2x.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
origSize=9989
status
200
x-varnish-ttl
1976.727
cf-bgj
imgq:100
content-length
8178
x-highwire-smart-code
pnas_production
x-varnish
1548698079 1548397327
last-modified
Mon, 11 Sep 2017 19:13:35 GMT
server
cloudflare
etag
"2705-558eeb92195c0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623c09a296da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
logo_small_hw_white.png
www.pnas.org/sites/all/modules/highwire/highwire/plugins/content_types/images/
1 KB
2 KB
Image
General
Full URL
https://www.pnas.org/sites/all/modules/highwire/highwire/plugins/content_types/images/logo_small_hw_white.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
status=not_needed
status
200
x-varnish-ttl
3304.519
cf-bgj
imgq:100
content-length
1524
x-highwire-smart-code
pnas_production
x-varnish
2004417976 2004339807
last-modified
Mon, 01 Apr 2019 18:32:48 GMT
server
cloudflare
etag
"5f4-5857c3f4cf400"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623c09a396da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
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www.pnas.org/sites/default/files/additional-assets/advanced-pages/
1 KB
2 KB
Image
General
Full URL
https://www.pnas.org/sites/default/files/additional-assets/advanced-pages/logo-nas-white-footer1.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=3288
status
200
x-varnish-ttl
227.752
cf-bgj
imgq:100
content-length
1524
x-highwire-smart-code
pnas_production
x-varnish
1343607583 1342900466
last-modified
Wed, 14 Feb 2018 16:31:02 GMT
server
cloudflare
etag
"cd8-5652ea30d1d80"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623c09a496da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
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2 KB
1 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__bnwyEQSuZLC-kZnFqCi5iE02nOCzM7DjY7zYxcN9nsQ__VBiBT_qq_eHMMO2Q1rXK1u-hHff31XLUkmi9dgjuPeY__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3633.482
content-type
text/javascript
content-length
1011
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:09:21 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440971398 1440929535
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d69623a884c96da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
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8 KB
4 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__GM3GJPR36rRIz0TRkjC5OQwrioSyN9aoYRivDhCO_AM__qAl84FcCv2jyN22yFGS5Oc85cjd9zKX6p_cFNLGhe-M__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3526.701
content-type
text/javascript
content-length
3486
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:07:34 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440971400 1440929543
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d69623c09a596da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
widget.js
crossmark-cdn.crossref.org/widget/v2.0/
5 KB
5 KB
Script
General
Full URL
https://crossmark-cdn.crossref.org/widget/v2.0/widget.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
13.35.253.8 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-35-253-8.fra6.r.cloudfront.net
Software
http-kit /
Resource Hash
2537ec5ca06e191e55609006c050d1351ebf08b50f8a2c183c5cbfd4fc2b4f23

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Tue, 14 May 2019 00:52:25 GMT
Via
1.1 e0bc02299b03254b2a35b8c930f005c6.cloudfront.net (CloudFront)
Server
http-kit
Age
5184
X-Cache
Hit from cloudfront
Content-Type
application/javascript;charset=UTF-8
Connection
keep-alive
Content-Length
4859
X-Amz-Cf-Id
ze5IsDtMcnDmyrdMOVis8oXkxrMoOQuY01EJyrR1xRjqz2idYfHXKQ==
js__puuQ6qZuZflSOzhCnY-jgY7Fv9AlRwAQ8SzEc4pSqOs__ZtDrNqpOxGlXOQD-M4esEzBkZTKh49z3ooLTtbBOtb0__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
www.pnas.org/sites/default/files/advagg_js/
5 KB
2 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__puuQ6qZuZflSOzhCnY-jgY7Fv9AlRwAQ8SzEc4pSqOs__ZtDrNqpOxGlXOQD-M4esEzBkZTKh49z3ooLTtbBOtb0__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
2d23f85628999aa2b5566a668fd89cd24e75e74c2c293dcad46aa2f9b9f52489
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3467.535
content-type
text/javascript
content-length
1832
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:08:00 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
1440992774 1440932065
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d69623a985896da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
video_inline.min.js
pnas-movie.glencoesoftware.com/static/
303 KB
303 KB
Script
General
Full URL
https://pnas-movie.glencoesoftware.com/static/video_inline.min.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
54.152.110.122 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-54-152-110-122.compute-1.amazonaws.com
Software
nginx/1.14.1 /
Resource Hash
fd28f6ad612232250fda45c5ec8889b4fd2f5f1321d4f6f8866642d85639e0ad

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Tue, 14 May 2019 02:18:49 GMT
Last-Modified
Thu, 04 Apr 2019 17:02:22 GMT
Server
nginx/1.14.1
ETag
"5ca6389e-4bbe0"
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
310240
js__bOP4a_cSySEQ3bHcuBja85t09rGJf3PnPsYzce52Y5Q__Dj4TsnRD9T0G537x8AI5bvaLYUmrF1HJsY9QVkA62sA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
www.pnas.org/sites/default/files/advagg_js/
13 KB
3 KB
Script
General
Full URL
https://www.pnas.org/sites/default/files/advagg_js/js__bOP4a_cSySEQ3bHcuBja85t09rGJf3PnPsYzce52Y5Q__Dj4TsnRD9T0G537x8AI5bvaLYUmrF1HJsY9QVkA62sA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
f8d2a0d87c607331d65d74194b0de3358a103786f6f4016bd508dfce38fb6223
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
3536.064
content-type
text/javascript
content-length
2733
x-highwire-smart-code
pnas_production
last-modified
Wed, 08 May 2019 22:07:43 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
811777880 811743218
via
1.1 varnish
x-highwire-sitecode
pnas
cache-control
public, max-age=31449600
accept-ranges
bytes
cf-ray
4d69623ab87296da-FRA
expires
Tue, 12 May 2020 02:18:49 GMT
analytics.js
www.google-analytics.com/
43 KB
17 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:815::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
3e552578c7d450b023f2cd9d28f830be4335c3acc6c4ab6dadda0769f09e5f22
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 16 Jan 2019 20:01:45 GMT
server
Golfe2
age
2778
date
Tue, 14 May 2019 01:32:31 GMT
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=7200
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="46,44,43,39"
content-length
17543
expires
Tue, 14 May 2019 03:32:31 GMT
fontawesome-webfont.woff
www.pnas.org/sites/all/themes/shared/pnas/css/base/icons/font/
43 KB
43 KB
Font
General
Full URL
https://www.pnas.org/sites/all/themes/shared/pnas/css/base/icons/font/fontawesome-webfont.woff?v=3.2.1
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
18e6b5ff511b90edf098e62ac45ed9d6673a3eee10165d0de4164d4d02a3a77f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
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Origin
https://www.pnas.org

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:49 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
status
200
x-varnish-ttl
content-encoding
gzip
content-type
text/plain; charset=UTF-8
x-highwire-smart-code
pnas_production
last-modified
Wed, 10 Apr 2019 10:29:39 GMT
server
cloudflare
etag
W/"aa34-5862a8bfe4ac0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
2052483575
access-control-allow-origin
*
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
cf-ray
4d69623c19b296da-FRA
expires
Tue, 28 May 2019 02:18:49 GMT
collect
stats.g.doubleclick.net/r/
Redirect Chain
  • https://www.google-analytics.com/r/collect?v=1&_v=j73&aip=1&a=1581760454&t=pageview&_s=1&dl=https%3A%2F%2Fwww.pnas.org%2Fcontent%2Fearly%2F2019%2F05%2F07%2F1821419116&ul=en-us&de=UTF-8&dt=External%...
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-677185-1&cid=1383494149.1557800330&jid=221350241&_gid=1869985919.1557800330&gjid=2099957340&_v=j73&z=1643648065
35 B
102 B
Image
General
Full URL
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-677185-1&cid=1383494149.1557800330&jid=221350241&_gid=1869985919.1557800330&gjid=2099957340&_v=j73&z=1643648065
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c08::9a Brussels, Belgium, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
access-control-allow-origin
*
date
Tue, 14 May 2019 02:18:49 GMT
content-type
image/gif
status
200
cache-control
no-cache, no-store, must-revalidate
alt-svc
quic=":443"; ma=2592000; v="46,44,43,39"
content-length
35
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma
no-cache
date
Tue, 14 May 2019 02:18:49 GMT
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
access-control-allow-origin
*
location
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-677185-1&cid=1383494149.1557800330&jid=221350241&_gid=1869985919.1557800330&gjid=2099957340&_v=j73&z=1643648065
content-type
text/html; charset=UTF-8
status
302
cache-control
no-cache, no-store, must-revalidate
alt-svc
quic=":443"; ma=2592000; v="46,44,43,39"
content-length
417
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/r/
Redirect Chain
  • https://www.google-analytics.com/r/collect?v=1&_v=j73&a=1581760454&t=pageview&_s=1&dl=https%3A%2F%2Fwww.pnas.org%2Fcontent%2Fearly%2F2019%2F05%2F07%2F1821419116&ul=en-us&de=UTF-8&dt=External%20powe...
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-189672-21&cid=1383494149.1557800330&jid=381538509&_gid=1869985919.1557800330&gjid=1641650196&_v=j73&z=162566039
35 B
136 B
Image
General
Full URL
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-189672-21&cid=1383494149.1557800330&jid=381538509&_gid=1869985919.1557800330&gjid=1641650196&_v=j73&z=162566039
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/content/early/2019/05/07/1821419116
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c08::9a Brussels, Belgium, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
access-control-allow-origin
*
date
Tue, 14 May 2019 02:18:49 GMT
content-type
image/gif
status
200
cache-control
no-cache, no-store, must-revalidate
alt-svc
quic=":443"; ma=2592000; v="46,44,43,39"
content-length
35
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma
no-cache
date
Tue, 14 May 2019 02:18:49 GMT
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
access-control-allow-origin
*
location
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-189672-21&cid=1383494149.1557800330&jid=381538509&_gid=1869985919.1557800330&gjid=1641650196&_v=j73&z=162566039
content-type
text/html; charset=UTF-8
status
302
cache-control
no-cache, no-store, must-revalidate
alt-svc
quic=":443"; ma=2592000; v="46,44,43,39"
content-length
417
expires
Fri, 01 Jan 1990 00:00:00 GMT
trendmd.min.js
js.trendmd.com/
82 KB
21 KB
Script
General
Full URL
https://js.trendmd.com/trendmd.min.js
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__puuQ6qZuZflSOzhCnY-jgY7Fv9AlRwAQ8SzEc4pSqOs__ZtDrNqpOxGlXOQD-M4esEzBkZTKh49z3ooLTtbBOtb0__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
13.35.253.68 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-35-253-68.fra6.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
e398922799abb0d1d34ecea9e5f2fbb9ff9b4529d3c1cc05de796356a688c76d

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 14 May 2019 02:17:29 GMT
content-encoding
gzip
last-modified
Wed, 08 May 2019 10:15:35 GMT
server
AmazonS3
etag
"118468eab768e605d5477e9535a4a244"
x-cache
RefreshHit from cloudfront
content-type
application/javascript
status
200
cache-control
max-age=0, no-transform, public
accept-ranges
bytes
content-length
20619
via
1.1 3095e870e1a1a1b03178e40ab1872de5.cloudfront.net (CloudFront)
x-amz-cf-id
wk0UDSJYM7yjw8uo8Sldetb6CRJIdnRRX_7blLmVDwWmNkU6SL9HnA==
sub-data
www.pnas.org/highwire/
2 B
105 B
XHR
General
Full URL
https://www.pnas.org/highwire/sub-data
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Accept
application/json, text/javascript, */*; q=0.01
Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
Origin
https://www.pnas.org
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
content-type
text/html; charset=UTF-8
age
0
status
200
x-varnish-ttl
vary
Accept-Encoding
content-length
2
x-highwire-smart-code
pnas_production
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
x-frame-options
SAMEORIGIN
content-language
en
x-varnish
924380122
x-highwire-sitecode
pnas
cache-control
no-cache, must-revalidate
accept-ranges
bytes
cf-ray
4d69623edc1596da-FRA
x-drupal-cache
MISS
cf-railgun
eaa651298f 99.99 0.171847 0030 e6be
expires
Sun, 19 Nov 1978 05:00:00 GMT
ui-bg_spotlight_0_ffffff_600x600.png
www.pnas.org/sites/all/themes/shared/pnas/css/components/jquery.ui/images/
239 B
554 B
Image
General
Full URL
https://www.pnas.org/sites/all/themes/shared/pnas/css/components/jquery.ui/images/ui-bg_spotlight_0_ffffff_600x600.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=372
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
239
x-highwire-smart-code
pnas_production
x-varnish
987654553
last-modified
Wed, 10 Apr 2019 10:29:39 GMT
server
cloudflare
etag
"174-5862a8bfe4ac0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623edc1e96da-FRA
expires
Tue, 28 May 2019 02:18:50 GMT
grippie.png
www.pnas.org/misc/
106 B
271 B
Image
General
Full URL
https://www.pnas.org/misc/grippie.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
cd2532a071fb1aeeb3382db826860d52c149727769cf500e64bb157d05c1e332
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
status=not_needed
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
106
x-highwire-smart-code
pnas_production
x-varnish
1005667331
last-modified
Mon, 08 Apr 2019 18:23:28 GMT
server
cloudflare
etag
"6a-58608eecfa800"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
bytes
cf-ray
4d69623eec2a96da-FRA
expires
Tue, 28 May 2019 02:18:50 GMT
widgets.js
platform.twitter.com/
93 KB
28 KB
Script
General
Full URL
https://platform.twitter.com/widgets.js?_=1557800330065
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
2606:2800:234:59:254c:406:2366:268c , United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
ECS (fcn/418B) /
Resource Hash
460c112ca18e517ef1a6c6abb2ba5ae55187138503a10177bf1908d9261c3a19

Request headers

Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Tue, 14 May 2019 02:18:50 GMT
Content-Encoding
gzip
Last-Modified
Thu, 07 Mar 2019 17:40:21 GMT
Server
ECS (fcn/418B)
Etag
"4cf9f34505e9344b9a7e4d00e67b6c88+gzip"
Vary
Accept-Encoding
Access-Control-Allow-Methods
GET
P3P
CP="CAO DSP LAW CURa ADMa DEVa TAIa PSAa PSDa IVAa IVDa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
*
Access-Control-Max-Age
3000
Cache-Control
public, max-age=1800
X-Cache
HIT
Content-Type
application/javascript; charset=utf-8
Content-Length
28028
like.php
www.facebook.com/plugins/ Frame 9490
0
0
Document
General
Full URL
https://www.facebook.com/plugins/like.php?href=https%3A//www.pnas.org/content/early/2019/05/07/1821419116&layout=button_count&show_faces=false&action=like&colorscheme=light&width=100&height=21&font=&locale=
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f11c:8083:face:b00c:0:25de , Ireland, ASN32934 (FACEBOOK - Facebook, Inc., US),
Reverse DNS
Software
/
Resource Hash
Security Headers
Name Value
Content-Security-Policy default-src * data: blob:;script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

:method
GET
:authority
www.facebook.com
:scheme
https
:path
/plugins/like.php?href=https%3A//www.pnas.org/content/early/2019/05/07/1821419116&layout=button_count&show_faces=false&action=like&colorscheme=light&width=100&height=21&font=&locale=
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
referer
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accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
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Response headers

status
200
cache-control
private, no-cache, no-store, must-revalidate
expires
Sat, 01 Jan 2000 00:00:00 GMT
pragma
no-cache
strict-transport-security
max-age=15552000; preload
content-encoding
br
timing-allow-origin
*
content-security-policy
default-src * data: blob:;script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
vary
Accept-Encoding
x-content-type-options
nosniff
x-xss-protection
0
expect-ct
max-age=86400, report-uri="https://reports.fb.com/expectct/"
content-type
text/html; charset="utf-8"
x-fb-debug
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date
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www.pnas.org/highwire_search/ajax/
3 KB
803 B
XHR
General
Full URL
https://www.pnas.org/highwire_search/ajax/similar_articles
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Accept
*/*
Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
Origin
https://www.pnas.org
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
age
0
cf-ray
4d69623efc3e96da-FRA
status
200
x-varnish-ttl
content-encoding
gzip
x-highwire-smart-code
pnas_production
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
924380141
x-highwire-sitecode
pnas
cache-control
no-cache, must-revalidate
content-type
text/html; charset=UTF-8
x-drupal-cache
MISS
cf-railgun
8b30010dd2 32.21 0.640319 0030 e6be
expires
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ui-bg_fine-grain_0_ececec_60x60.png
www.pnas.org/sites/all/themes/shared/pnas/css/components/jquery.ui/images/
95 B
261 B
Image
General
Full URL
https://www.pnas.org/sites/all/themes/shared/pnas/css/components/jquery.ui/images/ui-bg_fine-grain_0_ececec_60x60.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
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TLS 1.2, ECDHE_ECDSA, AES_128_GCM
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104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

x-varnish-cache
hit
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=228
status
200
x-varnish-ttl
2929.382
cf-bgj
imgq:100
content-length
95
x-highwire-smart-code
pnas_production
x-varnish
2162681939 2162510173
last-modified
Wed, 10 Apr 2019 10:29:39 GMT
server
cloudflare
etag
"e4-5862a8bfe4ac0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
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accept-ranges
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cf-ray
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expires
Tue, 28 May 2019 02:18:50 GMT
ui-bg_fine-grain_0_959595_60x60.png
www.pnas.org/sites/all/themes/shared/pnas/css/components/jquery.ui/images/
94 B
209 B
Image
General
Full URL
https://www.pnas.org/sites/all/themes/shared/pnas/css/components/jquery.ui/images/ui-bg_fine-grain_0_959595_60x60.png
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
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TLS 1.2, ECDHE_ECDSA, AES_128_GCM
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Software
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Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-varnish-cache
miss
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
cf-cache-status
HIT
cf-polished
pngoptimizer, origSize=227
status
200
x-varnish-ttl
0
cf-bgj
imgq:100
content-length
94
x-highwire-smart-code
pnas_production
x-varnish
2061285651
last-modified
Wed, 10 Apr 2019 10:29:39 GMT
server
cloudflare
etag
"e3-5862a8bfe4ac0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
x-highwire-sitecode
pnas
cache-control
public, max-age=1209600
accept-ranges
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cf-ray
4d69623f1c4f96da-FRA
expires
Tue, 28 May 2019 02:18:50 GMT
add_to_cart_ahah
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618 B
383 B
XHR
General
Full URL
https://www.pnas.org/highwire/foxycart/add_to_cart_ahah
Requested by
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URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
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TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Accept
application/json, text/javascript, */*; q=0.01
Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
Origin
https://www.pnas.org
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
age
0
cf-ray
4d69623f1c5096da-FRA
status
200
x-varnish-ttl
content-encoding
gzip
x-highwire-smart-code
pnas_production
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-varnish
924380135
x-highwire-sitecode
pnas
cache-control
no-cache, must-revalidate
content-type
application/json
x-drupal-cache
MISS
cf-railgun
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expires
Sun, 19 Nov 1978 05:00:00 GMT
salutation
www.pnas.org/highwire/
2 B
107 B
XHR
General
Full URL
https://www.pnas.org/highwire/salutation
Requested by
Host: www.pnas.org
URL: https://www.pnas.org/sites/default/files/advagg_js/js__KOOQ5JnrkVBjzDiYIzpCoMrBc3hp9ZQp3UoxY7bn6nc__A8lzqokquYgbSQf_P6AUElUfReuoxZs4bsTdm5q3RuA__K2yOWJKAJm3mwYQN1gf7TB1pr0jUxP50evTB_qL1epE.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
104.16.155.14 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Accept
application/json, text/javascript, */*; q=0.01
Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
Origin
https://www.pnas.org
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

x-varnish-cache
date
Tue, 14 May 2019 02:18:50 GMT
via
1.1 varnish
x-content-type-options
nosniff
content-type
text/html; charset=UTF-8
age
0
status
200
x-varnish-ttl
vary
Accept-Encoding
content-length
2
x-highwire-smart-code
pnas_production
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
x-frame-options
SAMEORIGIN
content-language
en
x-varnish
1553675533
x-highwire-sitecode
pnas
cache-control
no-cache, must-revalidate
accept-ranges
bytes
cf-ray
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x-drupal-cache
MISS
cf-railgun
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expires
Sun, 19 Nov 1978 05:00:00 GMT
salutation
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2 B
220 B
XHR
General
Full URL
https://www.pnas.org/highwire/salutation
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Software
/
Resource Hash
9c51a2398504a4424bc034c79129bdd1039b742f9f1d7995e589295c07c66e57

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Content-Type
image/png
events
academia.trendmd.com/
15 B
81 B
XHR
General
Full URL
https://academia.trendmd.com/events
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.64.206.16 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
3d23d39a30bb7323f8ccfd64c52cf286138fba4f83e78f7edcf66703b7c23aaa

Request headers

trendmd-widget-version
2.0.5
Referer
https://www.pnas.org/content/early/2019/05/07/1821419116
Origin
https://www.pnas.org
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/json

Response headers

date
Tue, 14 May 2019 02:18:51 GMT
content-encoding
br
server
cloudflare
status
200
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
origin,accept-encoding
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.pnas.org
cache-control
no-cache
access-control-allow-credentials
true
cf-ray
4d696247bd6d96e6-FRA

Verdicts & Comments Add Verdict or Comment

55 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| onselectstart object| onselectionchange function| queueMicrotask function| yepnope object| html5 object| Modernizr object| Drupal undefined| $ function| jQuery object| jQuery18207350287015059789 object| FC object| fc_css object| fc_script function| fc_loader object| MathJax string| GoogleAnalyticsObject function| ga object| enquire object| google_tag_data object| gaplugins object| gaGlobal object| gaData function| picturefill object| bodyTags object| body object| trendmd_instances string| id object| s function| euCookieComplianceLoadScripts string| eu_cookie_compliance_cookie_name object| cache object| defaults object| trendmdGlobalState object| TrendMD string| HIPPIO_TEMPLATE object| hippio_lib function| videojs object| vttjs function| VTTRegion function| WebVTT object| Transparency function| hippio_jQuery object| HwCommon string| $modifiers object| $wrapper object| $this undefined| jQuery18207350287015059789_1557800329576 object| __twttrll object| twttr object| __twttr boolean| check_float_result object| Twig function| twig function| AwesomeComplete object| trendmdSentEvents

6 Cookies

Domain/Path Name / Value
.pnas.org/ Name: _gat_hwTracker
Value: 1
.pnas.org/ Name: _gat
Value: 1
.pnas.org/ Name: _gid
Value: GA1.2.1869985919.1557800330
www.pnas.org/ Name: has_js
Value: 1
.pnas.org/ Name: _ga
Value: GA1.2.1383494149.1557800330
.pnas.org/ Name: __cfduid
Value: df3ea838b2b7d84f14408709f0a1dc79c1557800326

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

academia.trendmd.com
cc.trendmd.co
cdn.foxycart.com
cdn.jsdelivr.net
crossmark-cdn.crossref.org
js.trendmd.com
movie-usa.glencoesoftware.com
platform.twitter.com
pnas-movie.glencoesoftware.com
pnas.ecommerce.highwire.org
scholar.google.com
stats.g.doubleclick.net
syndication.twitter.com
trendmd.s3.amazonaws.com
www.facebook.com
www.google-analytics.com
www.pnas.org
www.trendmd.com
104.16.155.14
104.244.42.72
13.35.253.35
13.35.253.52
13.35.253.68
13.35.253.8
172.217.16.164
172.64.206.16
172.64.207.16
2606:2800:234:59:254c:406:2366:268c
2606:4700:30::681b:8216
2606:4700:30::681b:8316
2606:4700::6810:5614
2a00:1450:4001:815::200e
2a00:1450:400c:c08::9a
2a03:2880:f11c:8083:face:b00c:0:25de
52.216.129.155
54.152.110.122
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