Submitted URL: http://www.pnas.org//cgi//content//abstract//95//24//14250
Effective URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Submission: On August 13 via api from US — Scanned from DE

Summary

This website contacted 7 IPs in 3 countries across 6 domains to perform 43 HTTP transactions. The main IP is 172.64.154.101, located in and belongs to CLOUDFLARENET, US. The main domain is www.pnas.org. The Cisco Umbrella rank of the primary domain is 196377.
TLS certificate: Issued by WE1 on August 9th 2024. Valid for: 3 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
1 34 172.64.154.101 13335 (CLOUDFLAR...)
2 2606:4700::68... 13335 (CLOUDFLAR...)
2 2606:4700:303... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
1 2 2606:4700::68... 13335 (CLOUDFLAR...)
2 2001:4860:480... 15169 (GOOGLE)
1 142.250.185.136 15169 (GOOGLE)
43 7
Apex Domain
Subdomains
Transfer
34 pnas.org
www.pnas.org — Cisco Umbrella Rank: 196377
863 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 112
297 KB
2 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 3123
2 unpkg.com
unpkg.com — Cisco Umbrella Rank: 1314
4 KB
2 fontawesome.com
use.fontawesome.com — Cisco Umbrella Rank: 1950
88 KB
2 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1223
12 KB
43 6
Domain Requested by
34 www.pnas.org 1 redirects www.pnas.org
static.cloudflareinsights.com
3 www.googletagmanager.com www.pnas.org
www.googletagmanager.com
2 region1.google-analytics.com www.googletagmanager.com
2 unpkg.com 1 redirects www.pnas.org
2 use.fontawesome.com www.pnas.org
use.fontawesome.com
2 static.cloudflareinsights.com www.pnas.org
43 6
Subject Issuer Validity Valid
www.pnas.org
WE1
2024-08-09 -
2024-11-07
3 months crt.sh
cloudflareinsights.com
WE1
2024-07-06 -
2024-10-04
3 months crt.sh
use.fontawesome.com
Cloudflare Inc ECC CA-3
2023-10-12 -
2024-10-10
a year crt.sh
*.google-analytics.com
WR2
2024-07-30 -
2024-10-22
3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.pnas.org//cgi//content//abstract//95//24//14250
Frame ID: 05A4D413B38D529A1E64B1F464356F87
Requests: 41 HTTP requests in this frame

Frame: https://www.pnas.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/cc21665cd7b9/main.js
Frame ID: 6387CB4A08599E82F932533A8D33C701
Requests: 2 HTTP requests in this frame

Screenshot

Page Title

Error | Proceedings of the National Academy of Sciences

Page URL History Show full URLs

  1. http://www.pnas.org//cgi//content//abstract//95//24//14250 HTTP 307
    https://www.pnas.org//cgi//content//abstract//95//24//14250 Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/ns\.html[^>]+></iframe>
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Page Statistics

43
Requests

95 %
HTTPS

71 %
IPv6

6
Domains

6
Subdomains

7
IPs

3
Countries

1263 kB
Transfer

3684 kB
Size

7
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://www.pnas.org//cgi//content//abstract//95//24//14250 HTTP 307
    https://www.pnas.org//cgi//content//abstract//95//24//14250 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 28
  • https://unpkg.com/web-vitals/dist/web-vitals.iife.js HTTP 302
  • https://unpkg.com/web-vitals@4.2.3/dist/web-vitals.iife.js
Request Chain 29
  • https://www.pnas.org/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://www.pnas.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/cc21665cd7b9/main.js

43 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request 14250
www.pnas.org//cgi//content//abstract//95//24//
Redirect Chain
  • http://www.pnas.org//cgi//content//abstract//95//24//14250
  • https://www.pnas.org//cgi//content//abstract//95//24//14250
68 KB
14 KB
Document
General
Full URL
https://www.pnas.org//cgi//content//abstract//95//24//14250
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f379a0b76443c089a8c570bb7bd53240f758361826e4029fd690a9e564fc4e8d
Security Headers
Name Value
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
8b2ba14e3e1f4534-TXL
content-encoding
br
content-type
text/html;charset=UTF-8
date
Tue, 13 Aug 2024 20:59:38 GMT
link
</products/pnas/releasedAssets/css/build-b4b76d7af42eb82451c0.css>; rel=preload; as=style </products/pnas/releasedAssets/js/main.bundle-4548b99682c08209e9ed.js>; rel=preload; as=script </wro/nipx~product.css>; rel=preload; as=style; nopush </wro/nipx~product.js>; rel=preload; as=script; nopush <https://fonts.googleapis.com>; rel=preconnect; crossorigin <https://fonts.gstatic.com>; rel=preconnect; crossorigin
referrer-policy
no-referrer-when-downgrade
server
cloudflare
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

Location
https://www.pnas.org//cgi//content//abstract//95//24//14250
Non-Authoritative-Reason
HttpsUpgrades
build-b4b76d7af42eb82451c0.css
www.pnas.org/products/pnas/releasedAssets/css/
426 KB
75 KB
Stylesheet
General
Full URL
https://www.pnas.org/products/pnas/releasedAssets/css/build-b4b76d7af42eb82451c0.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
357228e384a3963ca59a2801e1526e852d945acf888e74328662a5b15d16b028
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:38 GMT
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
content-security-policy
frame-ancestors https://www.pnas.org
cf-cache-status
HIT
age
21361
x-powered-by
Express
content-encoding
br
alt-svc
h3=":443"; ma=86400
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 13 Aug 2024 14:46:07 GMT
server
cloudflare
x-frame-options
ALLOW-FROM https://www.pnas.org
vary
Accept-Encoding
content-type
text/css;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=604800
cf-ray
8b2ba14fe9494534-TXL
main.bundle-4548b99682c08209e9ed.js
www.pnas.org/products/pnas/releasedAssets/js/
571 KB
151 KB
Script
General
Full URL
https://www.pnas.org/products/pnas/releasedAssets/js/main.bundle-4548b99682c08209e9ed.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
a13f86796ac2c39d8e6a6ec38170aea73defd154a4b6d3490191d5dc306ea353
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:38 GMT
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
content-security-policy
frame-ancestors https://www.pnas.org
cf-cache-status
HIT
age
21361
x-powered-by
Express
content-encoding
br
alt-svc
h3=":443"; ma=86400
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 13 Aug 2024 14:46:07 GMT
server
cloudflare
x-frame-options
ALLOW-FROM https://www.pnas.org
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=604800
cf-ray
8b2ba14fe94e4534-TXL
nipx~product.css
www.pnas.org/wro/
64 KB
14 KB
Stylesheet
General
Full URL
https://www.pnas.org/wro/nipx~product.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
33be08d13435314c66a66772f01e5d7704ef808416da4afd5a82f71babd542c9
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:38 GMT
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
content-security-policy
frame-ancestors https://www.pnas.org
cf-cache-status
HIT
content-encoding
gzip
age
21361
alt-svc
h3=":443"; ma=86400
content-length
14024
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 13 Aug 2024 12:36:37 GMT
server
cloudflare
etag
"50b3389409071a0682e58eb9c931d2d77fd23241"
x-frame-options
ALLOW-FROM https://www.pnas.org
vary
Accept-Encoding
content-type
text/css;charset=UTF-8
cache-control
public, max-age=315360000
accept-ranges
bytes
cf-ray
8b2ba14fe9504534-TXL
expires
Wed, 13 Aug 2025 12:36:37 GMT
nipx~product.js
www.pnas.org/wro/
234 KB
51 KB
Script
General
Full URL
https://www.pnas.org/wro/nipx~product.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f2c43ababcab7ab0d004655da901deb1ec941f8d828ede8171e7c29b3e8d953e
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:38 GMT
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
content-security-policy
frame-ancestors https://www.pnas.org
cf-cache-status
HIT
content-encoding
gzip
age
21361
alt-svc
h3=":443"; ma=86400
content-length
52185
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 13 Aug 2024 12:36:37 GMT
server
cloudflare
etag
"2c721f488232eceacdaa2d45c7b91116b4537c2a"
x-frame-options
ALLOW-FROM https://www.pnas.org
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
cache-control
public, max-age=315360000
accept-ranges
bytes
cf-ray
8b2ba14fe9514534-TXL
expires
Wed, 13 Aug 2025 12:36:37 GMT
pnas-styles-1719249044370.css
www.pnas.org/pb-assets/styles/
13 KB
4 KB
Stylesheet
General
Full URL
https://www.pnas.org/pb-assets/styles/pnas-styles-1719249044370.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0c425524d168e41f85b3f00d06c4df25337a11055ecd38e1383f667fb0ea33f6
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:38 GMT
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
content-security-policy
frame-ancestors https://www.pnas.org
content-encoding
gzip
cf-cache-status
HIT
age
4333145
atypon-server-mode
live
content-disposition
inline; filename=pnas-styles.css
alt-svc
h3=":443"; ma=86400
content-length
3521
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
last-modified
Mon, 24 Jun 2024 17:10:44 GMT
server
cloudflare
x-frame-options
ALLOW-FROM https://www.pnas.org
vary
Accept-Encoding
content-type
text/css;charset=UTF-8
cache-control
public, max-age=31536000
accept-ranges
bytes
cf-ray
8b2ba14fe9544534-TXL
atypon-product
pnas
x-webstats-respid
2c4b7539e25f15dc13c15018d3977043
v652eace1692a40cfa3763df669d7439c1639079717194
static.cloudflareinsights.com/beacon.min.js/
14 KB
5 KB
Script
General
Full URL
https://static.cloudflareinsights.com/beacon.min.js/v652eace1692a40cfa3763df669d7439c1639079717194
Requested by
Host: www.pnas.org
URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4f49 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fd0a1ac929c11b08e819fe4b0a18c5574012c44f09de8987c6be99a0f055a505

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
Origin
https://www.pnas.org
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:39 GMT
content-encoding
gzip
last-modified
Thu, 06 Jun 2024 15:52:56 GMT
server
cloudflare
etag
W/"2021.12.0"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
8b2ba1519f7a37e8-FRA
print-b4b76d7af42eb82451c0.css
www.pnas.org/products/pnas/releasedAssets/css/
80 B
383 B
Stylesheet
General
Full URL
https://www.pnas.org/products/pnas/releasedAssets/css/print-b4b76d7af42eb82451c0.css
Requested by
Host: www.pnas.org
URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
1063d58d50aa1523438021a64a26fe1e3cc7e299b37389d386e8ca7ca32c0c63
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:39 GMT
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
content-security-policy
frame-ancestors https://www.pnas.org
cf-cache-status
HIT
age
21361
x-powered-by
Express
content-encoding
br
alt-svc
h3=":443"; ma=86400
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 13 Aug 2024 14:46:10 GMT
server
cloudflare
x-frame-options
ALLOW-FROM https://www.pnas.org
vary
Accept-Encoding
content-type
text/css;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=604800
cf-ray
8b2ba150fb734534-TXL
logo-1624644560537.svg
www.pnas.org/pb-assets/images/Logos/header-logo/
1 KB
948 B
Image
General
Full URL
https://www.pnas.org/pb-assets/images/Logos/header-logo/logo-1624644560537.svg
Requested by
Host: www.pnas.org
URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
37f42cd96626473927411dc9c79fc16901b1b78e98c9b17c8a961c1d118b4d3f
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:59:38 GMT
strict-transport-security
max-age=15552000
x-content-type-options
nosniff
content-security-policy
frame-ancestors https://www.pnas.org
cf-cache-status
HIT
age
8895432
atypon-server-mode
live
content-encoding
br
content-disposition
inline; filename=logo.svg
alt-svc
h3=":443"; ma=86400
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
last-modified
Fri, 25 Jun 2021 18:09:20 GMT
server
cloudflare
x-frame-options
ALLOW-FROM https://www.pnas.org
vary
Accept-Encoding
content-type
image/svg+xml;charset=UTF-8
cache-control
public, max-age=31536000
cf-ray
8b2ba150098d4534-TXL
atypon-product
pnas
x-webstats-respid
a23dfaec5f62316b6c50d01fa620c0d1
logo-light-1641218818190.svg
www.pnas.org/pb-assets/images/Logos/header-logo/
1 KB
926 B
Image
General
Full URL
https://www.pnas.org/pb-assets/images/Logos/header-logo/logo-light-1641218818190.svg
Requested by
Host: www.pnas.org
URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.154.101 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b79d82401c24bc8361dc53afcb9b3d7e083102449bdf7cf55cf3f8a8a3eeb80b
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://www.pnas.org
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options ALLOW-FROM https://www.pnas.org
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.pnas.org//cgi//content//abstract//95//24//14250
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

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Verdicts & Comments Add Verdict or Comment

19 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| 0 object| addthis_config object| dataLayer object| webpackJsonp function| jQuery function| $ object| UX object| literatum function| _ object| thePicker object| google_tag_manager object| google_tag_data object| __cfBeacon function| onYouTubeIframeAPIReady object| gaGlobal object| webVitals object| PNASdataLayer object| smartGroup string| thisGroup

7 Cookies

Domain/Path Name / Value
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3 Console Messages

Source Level URL
Text
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Failed to load resource: the server responded with a status of 404 ()
javascript warning URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Message:
The resource https://www.pnas.org/wro/nipx~product.js was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript warning URL: https://www.pnas.org//cgi//content//abstract//95//24//14250
Message:
The resource https://www.pnas.org/wro/nipx~product.css was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.

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
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

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.

region1.google-analytics.com
static.cloudflareinsights.com
unpkg.com
use.fontawesome.com
www.googletagmanager.com
www.pnas.org
142.250.185.136
172.64.154.101
2001:4860:4802:34::36
2606:4700:3037::ac43:8ef5
2606:4700::6810:4f49
2606:4700::6811:f8cb
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