Submitted URL: http://stackoverflow.com/
Effective URL: https://stackoverflow.com/
Submission: On May 09 via manual from KR

Summary

This website contacted 13 IPs in 3 countries across 13 domains to perform 39 HTTP transactions. The main IP is 151.101.129.69, located in San Francisco, United States and belongs to FASTLY - Fastly, US. The main domain is stackoverflow.com.
TLS certificate: Issued by DigiCert SHA2 High Assurance Server CA on May 21st 2016. Valid for: 3 years.
This is the only time stackoverflow.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 151.101.65.69 54113 (FASTLY)
12 151.101.129.69 54113 (FASTLY)
2 172.217.18.170 15169 (GOOGLE)
7 104.16.110.18 13335 (CLOUDFLAR...)
2 216.58.207.66 15169 (GOOGLE)
2 172.217.23.142 15169 (GOOGLE)
1 95.172.94.30 15570 (Internap ...)
1 3 2.19.43.224 20940 (AKAMAI-ASN1)
3 172.217.22.66 15169 (GOOGLE)
4 172.217.18.162 15169 (GOOGLE)
1 54.192.197.187 16509 (AMAZON-02)
1 18.194.250.142 16509 (AMAZON-02)
2 172.217.23.129 15169 (GOOGLE)
39 13
Domain Requested by
9 cdn.sstatic.net stackoverflow.com
cdn.sstatic.net
7 i.stack.imgur.com stackoverflow.com
4 securepubads.g.doubleclick.net www.googletagservices.com
securepubads.g.doubleclick.net
stackoverflow.com
3 sb.scorecardresearch.com 1 redirects stackoverflow.com
2 clc.stackoverflow.com cdn.sstatic.net
2 pagead2.googlesyndication.com securepubads.g.doubleclick.net
2 tpc.googlesyndication.com securepubads.g.doubleclick.net
2 www.google-analytics.com stackoverflow.com
www.google-analytics.com
2 ajax.googleapis.com stackoverflow.com
securepubads.g.doubleclick.net
2 stackoverflow.com 1 redirects
1 pixel.quantserve.com stackoverflow.com
1 rules.quantcount.com secure.quantserve.com
1 adservice.google.com www.googletagservices.com
1 adservice.google.de www.googletagservices.com
1 secure.quantserve.com stackoverflow.com
1 www.googletagservices.com stackoverflow.com
39 16

This site contains links to these domains. Also see Links.

Domain
stackexchange.com
chat.stackoverflow.com
meta.stackoverflow.com
stackoverflow.blog
www.stackoverflowbusiness.com
stats.stackexchange.com
worldbuilding.stackexchange.com
writing.stackexchange.com
rpg.stackexchange.com
pm.stackexchange.com
workplace.stackexchange.com
physics.stackexchange.com
tex.stackexchange.com
german.stackexchange.com
electronics.stackexchange.com
puzzling.stackexchange.com
english.stackexchange.com
cseducators.stackexchange.com
unix.stackexchange.com
superuser.com
codegolf.stackexchange.com
chemistry.stackexchange.com
mathematica.stackexchange.com
askubuntu.com
serverfault.com
webapps.stackexchange.com
webmasters.stackexchange.com
gamedev.stackexchange.com
softwareengineering.stackexchange.com
apple.stackexchange.com
wordpress.stackexchange.com
gis.stackexchange.com
android.stackexchange.com
security.stackexchange.com
dba.stackexchange.com
drupal.stackexchange.com
sharepoint.stackexchange.com
ux.stackexchange.com
salesforce.stackexchange.com
expressionengine.stackexchange.com
pt.stackoverflow.com
blender.stackexchange.com
networkengineering.stackexchange.com
crypto.stackexchange.com
codereview.stackexchange.com
magento.stackexchange.com
softwarerecs.stackexchange.com
dsp.stackexchange.com
emacs.stackexchange.com
raspberrypi.stackexchange.com
ru.stackoverflow.com
es.stackoverflow.com
ethereum.stackexchange.com
datascience.stackexchange.com
arduino.stackexchange.com
bitcoin.stackexchange.com
photo.stackexchange.com
scifi.stackexchange.com
graphicdesign.stackexchange.com
movies.stackexchange.com
music.stackexchange.com
cooking.stackexchange.com
diy.stackexchange.com
money.stackexchange.com
academia.stackexchange.com
law.stackexchange.com
skeptics.stackexchange.com
judaism.stackexchange.com
travel.stackexchange.com
christianity.stackexchange.com
ell.stackexchange.com
japanese.stackexchange.com
gaming.stackexchange.com
bicycles.stackexchange.com
anime.stackexchange.com
mechanics.stackexchange.com
mathoverflow.net
math.stackexchange.com
cstheory.stackexchange.com
biology.stackexchange.com
cs.stackexchange.com
philosophy.stackexchange.com
meta.stackexchange.com
stackapps.com
api.stackexchange.com
data.stackexchange.com
area51.stackexchange.com
www.facebook.com
twitter.com
linkedin.com
creativecommons.org
Subject Issuer Validity Valid
*.stackexchange.com
DigiCert SHA2 High Assurance Server CA
2016-05-21 -
2019-08-14
3 years crt.sh

This page contains 2 frames:

Primary Page: https://stackoverflow.com/
Frame ID: 646D9FF4C476886A2B6246C972CEC2C4
Requests: 35 HTTP requests in this frame

Frame: https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
Frame ID: 28D7414BC8008BB188D22A5060E65CBF
Requests: 5 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. http://stackoverflow.com/ HTTP 301
    https://stackoverflow.com/ Page URL

Detected technologies

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

Overall confidence: 100%
Detected patterns
  • script /googlesyndication\.com\//i
  • env /^__google_ad_/i
  • env /^Goog_AdSense_/i

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

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

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

Overall confidence: 100%
Detected patterns
  • html /<iframe[^>]* (?:id="comscore"|scr=[^>]+comscore)|\.scorecardresearch\.com\/beacon\.js|COMSCORE\.beacon/i
  • script /\.scorecardresearch\.com\/beacon\.js|COMSCORE\.beacon/i
  • env /^_?COMSCORE$/i

Overall confidence: 100%
Detected patterns
  • script /\/([\d.]+)\/jquery(?:\.min)?\.js/i
  • script /jquery.*\.js/i
  • env /^jQuery$/i

Page Statistics

39
Requests

8 %
HTTPS

0 %
IPv6

13
Domains

16
Subdomains

13
IPs

3
Countries

511 kB
Transfer

1659 kB
Size

6
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://stackoverflow.com/ HTTP 301
    https://stackoverflow.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 21
  • https://sb.scorecardresearch.com/b?c1=2&c2=17440561&ns__t=1525880004666&ns_c=UTF-8&cv=3.1e&c8=Stack%20Overflow%20-%20Where%20Developers%20Learn%2C%20Share%2C%20%26%20Build%20Careers&c7=https%3A%2F%2Fstackoverflow.com%2F&c9= HTTP 302
  • https://sb.scorecardresearch.com/b2?c1=2&c2=17440561&ns__t=1525880004666&ns_c=UTF-8&cv=3.1e&c8=Stack%20Overflow%20-%20Where%20Developers%20Learn%2C%20Share%2C%20%26%20Build%20Careers&c7=https%3A%2F%2Fstackoverflow.com%2F&c9=

39 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
stackoverflow.com/
Redirect Chain
  • http://stackoverflow.com/
  • https://stackoverflow.com/
246 KB
49 KB
Document
General
Full URL
https://stackoverflow.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.129.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
4b7da630743a48c3769d7ef75513f1a9db8ad9316c184f73ff2341883b658c40
Security Headers
Name Value
Strict-Transport-Security max-age=15552000
X-Frame-Options SAMEORIGIN

Request headers

:method
GET
:authority
stackoverflow.com
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
accept-encoding
gzip, deflate
cookie
prov=a517127f-e175-b71d-6495-1af5b63f26bd
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36
X-DevTools-Emulate-Network-Conditions-Client-Id
646D9FF4C476886A2B6246C972CEC2C4

Response headers

status
200
cache-control
private
content-type
text/html; charset=utf-8
content-encoding
gzip
x-frame-options
SAMEORIGIN
x-request-guid
41c20165-8555-4bc9-a366-5b5c550ea378
strict-transport-security
max-age=15552000
accept-ranges
bytes
date
Wed, 09 May 2018 15:33:24 GMT
via
1.1 varnish
x-served-by
cache-hhn1540-HHN
x-cache
MISS
x-cache-hits
0
x-timer
S1525880004.272749,VS0,VE104
vary
Accept-Encoding,Fastly-SSL
x-dns-prefetch-control
off
content-length
49531

Redirect headers

Content-Type
text/html; charset=utf-8
Location
https://stackoverflow.com/
X-Request-Guid
0b221cd0-fa37-4b2c-9ba0-462965131a40
Content-Length
143
Accept-Ranges
bytes
Date
Wed, 09 May 2018 15:33:24 GMT
Via
1.1 varnish
Connection
keep-alive
X-Served-By
cache-hhn1524-HHN
X-Cache
MISS
X-Cache-Hits
0
X-Timer
S1525880004.117187,VS0,VE133
Vary
Fastly-SSL
X-DNS-Prefetch-Control
off
Set-Cookie
prov=a517127f-e175-b71d-6495-1af5b63f26bd; domain=.stackoverflow.com; expires=Fri, 01-Jan-2055 00:00:00 GMT; path=/; HttpOnly
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/1.12.4/
95 KB
33 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
172.217.18.170 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra15s29-in-f10.1e100.net
Software
sffe /
Resource Hash
668b046d12db350ccba6728890476b3efee53b2f42dbb84743e5e9f1ae0cc404
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
Sat, 03 Feb 2018 15:57:39 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
8206545
status
200
alt-svc
hq=":443"; ma=2592000; quic=51303433; quic=51303432; quic=51303431; quic=51303339; quic=51303335,quic=":443"; ma=2592000; v="43,42,41,39,35"
content-length
33951
x-xss-protection
1; mode=block
last-modified
Tue, 20 Dec 2016 18:17:03 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 03 Feb 2019 15:57:39 GMT
stub.en.js
cdn.sstatic.net/Js/
40 KB
14 KB
Script
General
Full URL
https://cdn.sstatic.net/Js/stub.en.js?v=c1032462ac1d
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
151.101.129.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
737cbdccfdb22fd508533231b6a2257c5c8ae3f8bc4a61ec69b3b7a21e9ece16

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
Wed, 09 May 2018 15:33:24 GMT
content-encoding
gzip
age
35745
x-cache
HIT
status
200
content-length
14067
x-served-by
cache-hhn1540-HHN
last-modified
Wed, 09 May 2018 05:35:22 GMT
x-timer
S1525880004.395032,VS0,VE0
etag
"09fd8557e7d31:0"
vary
Accept-Encoding,Accept-Encoding
content-type
application/javascript
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
31517
stacks.css
cdn.sstatic.net/Shared/
93 KB
15 KB
Stylesheet
General
Full URL
https://cdn.sstatic.net/Shared/stacks.css?v=441822af62d6
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
151.101.129.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
6b4f4a5639a082f2677bdfe357dc059c640cbf233383a0e22538ed9688591669

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
Wed, 09 May 2018 15:33:24 GMT
content-encoding
gzip
age
165854
x-cache
HIT
status
200
content-length
15120
x-served-by
cache-hhn1540-HHN
access-control-allow-origin
*
last-modified
Mon, 07 May 2018 13:44:51 GMT
x-timer
S1525880004.394996,VS0,VE0
etag
"804b73929e6d31:0"
vary
Accept-Encoding,Accept-Encoding
content-type
text/css
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
91575
primary.css
cdn.sstatic.net/Sites/stackoverflow/
397 KB
65 KB
Stylesheet
General
Full URL
https://cdn.sstatic.net/Sites/stackoverflow/primary.css?v=3da39545c9df
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
151.101.129.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
eefcf2b7927b065b4abf66c5f6e2a2091fbaf5f9086260fede57325f4fa30660

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
Wed, 09 May 2018 15:33:24 GMT
content-encoding
gzip
age
105009
x-cache
HIT
status
200
content-length
66361
x-served-by
cache-hhn1540-HHN
last-modified
Tue, 08 May 2018 10:20:32 GMT
x-timer
S1525880004.395041,VS0,VE0
etag
"018ee31b6e6d31:0"
vary
Accept-Encoding,Accept-Encoding
content-type
text/css
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
47070
GXwX9.png
i.stack.imgur.com/
397 B
829 B
Image
General
Full URL
https://i.stack.imgur.com/GXwX9.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.110.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
a23bab19d6bf56c0b794926a8961376c8c2cc4dd83e5d989cfbe2e565ad42d99

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

cf-ray
4185396baf50635b-FRA
date
Wed, 09 May 2018 15:33:24 GMT
cf-cache-status
HIT
last-modified
Fri, 23 Feb 2018 19:31:18 GMT
server
cloudflare
etag
"38255e79bf9fa820875b40c1f56c8214"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-version-id
UuDMKaoJwQGkOYvtbmlEOoan.PdxKql0
status
200
cache-control
public, max-age=315360000
content-type
image/png
content-length
397
expires
Sat, 06 May 2028 15:33:24 GMT
uE37r.png
i.stack.imgur.com/
633 B
746 B
Image
General
Full URL
https://i.stack.imgur.com/uE37r.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.110.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
94bb048015eedc70c94de356f8e69b586fa974bc383c2e86cb206aec04bec8e7

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

cf-ray
4185396bbf64635b-FRA
date
Wed, 09 May 2018 15:33:24 GMT
cf-cache-status
HIT
last-modified
Fri, 16 Mar 2012 13:46:14 GMT
server
cloudflare
etag
"f6f7761bf74f6083f83deb41062887cf"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-version-id
null
status
200
cache-control
public, max-age=315360000
content-type
image/png
content-length
633
expires
Sat, 06 May 2028 15:33:24 GMT
gfrSH.png
i.stack.imgur.com/
654 B
796 B
Image
General
Full URL
https://i.stack.imgur.com/gfrSH.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.110.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
f35062cbd31e575a284f0575c734f46eb9e66b45af1a4ccbc2387ce4a9ab763a

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

cf-ray
4185396bbf65635b-FRA
date
Wed, 09 May 2018 15:33:24 GMT
cf-cache-status
HIT
last-modified
Tue, 16 Jan 2018 18:16:10 GMT
server
cloudflare
etag
"a9972d7887f955b34bc552ad291086a8"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-version-id
w0RWA5zTWto7GYvnwxe0URYWySxjR1XV
status
200
cache-control
public, max-age=315360000
content-type
image/png
content-length
654
expires
Sat, 06 May 2028 15:33:24 GMT
tKsDb.png
i.stack.imgur.com/
259 B
376 B
Image
General
Full URL
https://i.stack.imgur.com/tKsDb.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.110.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
3ef0264e2a7517e9f984d154871b3fc3bcc318164035e5f24639ecb30d14a5e8

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

cf-ray
4185396bbf66635b-FRA
date
Wed, 09 May 2018 15:33:24 GMT
cf-cache-status
HIT
last-modified
Tue, 07 Feb 2012 20:46:36 GMT
server
cloudflare
etag
"2c2d4d1f8c4fcb98010897a2af9d5c23"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-version-id
null
status
200
cache-control
public, max-age=315360000
content-type
image/png
content-length
259
expires
Sat, 06 May 2028 15:33:24 GMT
hscIK.png
i.stack.imgur.com/
636 B
778 B
Image
General
Full URL
https://i.stack.imgur.com/hscIK.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.110.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
6ad6c8b29c26fc2c8c31909c6c954af13d2f0cb6d251f370d1d2794ef6ec1d33

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

cf-ray
4185396bbf67635b-FRA
date
Wed, 09 May 2018 15:33:24 GMT
cf-cache-status
HIT
last-modified
Mon, 24 Mar 2014 21:37:17 GMT
server
cloudflare
etag
"6d5209b99b267bc89e681994d663d4d2"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-version-id
dRwNBzSL7aF9p08PHyIhYMFJI3doTVQX
status
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cache-control
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Protocol
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172.217.22.66 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
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Software
cafe /
Resource Hash
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Name Value
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Request headers

Referer
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User-Agent
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Response headers

timing-allow-origin
*
date
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content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
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cache-control
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content-disposition
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alt-svc
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58 KB
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General
Full URL
https://securepubads.g.doubleclick.net/gpt/pubads_impl_203.js
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/tag/js/gpt.js
Protocol
SPDY
Server
172.217.18.162 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
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Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://stackoverflow.com/
User-Agent
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Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
last-modified
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server
sffe
vary
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content-type
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cache-control
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alt-svc
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content-length
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x-xss-protection
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expires
Wed, 09 May 2018 15:33:24 GMT
rules-p-c1rF4kxgLUzNc.js
rules.quantcount.com/
3 B
338 B
Script
General
Full URL
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Requested by
Host: secure.quantserve.com
URL: https://secure.quantserve.com/quant.js
Protocol
SPDY
Server
54.192.197.187 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-54-192-197-187.lhr50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
Thu, 24 Aug 2017 19:35:16 GMT
via
1.1 60d859e64626d7b8d0cc73d27d6f8134.cloudfront.net (CloudFront)
last-modified
Sat, 04 Mar 2017 20:52:55 GMT
server
AmazonS3
age
61783
etag
"8a80554c91d9fca8acb82f023de02f11"
x-cache
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content-type
application/x-javascript
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200
cache-control
max-age=86400
accept-ranges
bytes
content-length
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35 B
479 B
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Full URL
https://pixel.quantserve.com/pixel;r=980846945;rf=0;a=p-c1rF4kxgLUzNc;url=https%3A%2F%2Fstackoverflow.com%2F;fpan=1;fpa=P0-1061220752-1525880004828;ns=0;ce=1;cm=;ref=;je=0;sr=1600x1200x24;enc=n;dst=0;et=1525880004828;tzo=0;ogl=type.website%2Curl.https%3A%2F%2Fstackoverflow%252Ecom%2F%2Csite_name.Stack%20Overflow%2Cimage.https%3A%2F%2Fcdn%252Esstatic%252Enet%2FSites%2Fstackoverflow%2Fimg%2Fapple-touch-icon%402%252Epng%3Fv%3D73d79a8%2Ctitle.Stack%20Overflow%20-%20Where%20Developers%20Learn%252C%20Share%252C%20%26%20Build%20Careers%2Cdescription.Stack%20Overflow%20%7C%20The%20World%E2%80%99s%20Largest%20Online%20Community%20for%20Developers
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
HTTP/1.1
Server
18.194.250.142 Cambridge, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-18-194-250-142.eu-central-1.compute.amazonaws.com
Software
QS /
Resource Hash
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Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

Pragma
no-cache
Date
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Server
QS
P3P
CP="NOI DSP COR NID CURa ADMa DEVa PSAo PSDo OUR SAMa IND COM NAV"
Cache-Control
private, no-cache, no-store, proxy-revalidate
Connection
keep-alive
Content-Type
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Expires
Fri, 04 Aug 1978 12:00:00 GMT
ads
securepubads.g.doubleclick.net/gampad/
3 KB
2 KB
XHR
General
Full URL
https://securepubads.g.doubleclick.net/gampad/ads?gdfp_req=1&correlator=2559555902742928&output=json_html&callback=googletag.impl.pubads.callbackProxy1&impl=fifs&adsid=NT&json_a=1&eid=21061800%2C22322695&vrg=203&guci=1.2.0.0.2.2&sc=1&sfv=1-0-23&iu_parts=248424177%2Cstackoverflow.com%2Csb%2Cquestion-pages&enc_prev_ius=%2F0%2F1%2F2%2F3&prev_iu_szs=300x250%7C300x600&cust_params=Registered%3Dfalse%26Sidebar%3DRight&cookie_enabled=1&bc=7&abxe=1&lmt=1525880004&dt=1525880004866&frm=20&biw=1585&bih=1200&oid=3&adxs=0&adys=0&adks=228937067&gut=v2&ifi=1&u_his=2&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_sd=1&flash=0&url=https%3A%2F%2Fstackoverflow.com%2F&dssz=21&icsg=34&std=0&vis=1&dmc=8&scr_x=0&scr_y=0&psz=300x985&ga_vid=1444197103.1525880005&ga_sid=1525880005&ga_hid=1636910058
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_203.js
Protocol
SPDY
Server
172.217.18.162 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
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Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Origin
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Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
google-mediationgroup-id
-2
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
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200
content-disposition
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alt-svc
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1904
x-xss-protection
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google-lineitem-id
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pragma
no-cache
server
cafe
google-mediationtag-id
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google-creative-id
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content-type
text/javascript; charset=UTF-8
access-control-allow-origin
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cache-control
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expires
Fri, 01 Jan 1990 00:00:00 GMT
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securepubads.g.doubleclick.net/gpt/
43 KB
16 KB
Script
General
Full URL
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Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_203.js
Protocol
SPDY
Server
172.217.18.162 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra15s29-in-f2.1e100.net
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
last-modified
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server
sffe
vary
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200
cache-control
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alt-svc
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content-length
16616
x-xss-protection
1; mode=block
expires
Wed, 09 May 2018 15:33:24 GMT
container.html
tpc.googlesyndication.com/safeframe/1-0-23/html/
0
0
Other
General
Full URL
https://tpc.googlesyndication.com/safeframe/1-0-23/html/container.html
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_203.js
Protocol
SPDY
Server
172.217.23.129 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
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Software
/
Resource Hash

Request headers

Purpose
prefetch
Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

expires
Thu, 09 May 2019 10:27:31 GMT
cache-control
public, immutable, max-age=31536000
last-modified
Tue, 10 Apr 2018 14:51:09 GMT
content-type
text/html
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/3.2.1/ Frame 28D7
85 KB
30 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_203.js
Protocol
SPDY
Server
172.217.18.170 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra15s29-in-f10.1e100.net
Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
age
8361871
status
200
alt-svc
hq=":443"; ma=2592000; quic=51303433; quic=51303432; quic=51303431; quic=51303339; quic=51303335,quic=":443"; ma=2592000; v="43,42,41,39,35"
content-length
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x-xss-protection
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server
sffe
vary
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access-control-allow-origin
*
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expires
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osd_listener.js
tpc.googlesyndication.com/pagead/js/r20180502/r20110914/activeview/ Frame 28D7
70 KB
25 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20180502/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_203.js
Protocol
SPDY
Server
172.217.23.129 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
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Software
cafe /
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

date
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content-encoding
gzip
x-content-type-options
nosniff
age
582224
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
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alt-svc
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content-length
25791
x-xss-protection
1; mode=block
server
cafe
etag
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content-type
text/javascript; charset=UTF-8
cache-control
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timing-allow-origin
*
expires
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osd.js
pagead2.googlesyndication.com/pagead/
67 KB
25 KB
Script
General
Full URL
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Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_203.js
Protocol
SPDY
Server
172.217.22.66 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
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Software
cafe /
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
Wed, 09 May 2018 15:26:21 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
424
p3p
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status
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content-disposition
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alt-svc
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content-length
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x-xss-protection
1; mode=block
server
cafe
etag
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content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=3600
timing-allow-origin
*
expires
Wed, 09 May 2018 16:26:21 GMT
view
securepubads.g.doubleclick.net/pcs/ Frame 28D7
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Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
172.217.18.162 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
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Software
/
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Request headers

Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
cache-control
private
expires
Wed, 09 May 2018 15:33:25 GMT
markup.js
clc.stackoverflow.com/
10 KB
2 KB
Script
General
Full URL
https://clc.stackoverflow.com/markup.js?omni=ArJo-zPCtdUIAAAAAAAAAAACAAAAAQAAAAAAAAAAANslsmeXFdzp13E&zc=24%3B4&pf=0&lw=353
Requested by
Host: cdn.sstatic.net
URL: https://cdn.sstatic.net/clc/clc.min.js?v=8d2ce55e5023
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.129.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
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Resource Hash
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Request headers

:path
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pragma
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user-agent
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accept
*/*
cache-control
no-cache
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clc.stackoverflow.com
referer
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https
:method
GET
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https://stackoverflow.com/
User-Agent
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Response headers

date
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content-encoding
gzip
age
0
x-dns-prefetch-control
off
x-cache
MISS
status
200
x-request-guid
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content-length
1968
x-served-by
cache-hhn1540-HHN
x-timer
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vary
Fastly-SSL
content-type
application/javascript; charset=utf-8
via
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cache-control
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accept-ranges
bytes
x-cache-hits
0
truncated
/ Frame 28D7
216 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
3990b6933edbbb8b276542a09ffb3ebb080465f168499a8ca81b054103e6596a

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
activeview
pagead2.googlesyndication.com/pcs/ Frame 28D7
42 B
178 B
Image
General
Full URL
https://pagead2.googlesyndication.com/pcs/activeview?xai=AKAOjsu5vxBvDSwT3lAI51FnjMW5TVc7QzqbaupBAGzanxQZpgYh9GpwGJooFJ8itkumPDz0viw2Z01I99w2KbeSbMTDK5fSj44gZOg&sig=Cg0ArKJSzHPjXQZa_qGJEAE&id=osdim&ti=1&r=z&adk=228937067&tt=112&bs=1585,1200&mtos=0,0,0,0,0&tos=0,0,0,0,0&p=0,0,0,0&mraid_race=1&mcvt=0&rs=3&ht=0&mc=0&lte=-1&bas=0&bac=0&avms=geo&rst=1525880004990&rpt=55&msd=0&cll=1&bos=1600,1200&ps=1585,8845&ss=1600,1200&pt=0&deb=1-1-1-1-3-12-1-1&tvt=104&op=1&uc=1&tgt=BODY&cl=1&cec=6&clc=0&cac=0&cd=0x0&v=r20180502
Protocol
SPDY
Server
172.217.22.66 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra15s17-in-f66.1e100.net
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 09 May 2018 15:33:25 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
status
200
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
access-control-allow-origin
*
cache-control
no-cache, must-revalidate
content-type
image/gif
alt-svc
hq="googleads.g.doubleclick.net:443"; ma=2592000; quic=51303433; quic=51303432; quic=51303431; quic=51303339; quic=51303335,quic="googleads.g.doubleclick.net:443"; ma=2592000; v="43,42,41,39,35",hq=":443"; ma=2592000; quic=51303433; quic=51303432; quic=51303431; quic=51303339; quic=51303335,quic=":443"; ma=2592000; v="43,42,41,39,35"
content-length
42
x-xss-protection
1; mode=block
expires
Fri, 01 Jan 1990 00:00:00 GMT
impression.gif
clc.stackoverflow.com/
43 B
154 B
Image
General
Full URL
https://clc.stackoverflow.com/impression.gif?an=43qmVmxyaOtVD8VZDa4uTIwshi7r3az_nzTNZvzodzvgeCADM0PPBgaGBntGRgYWaab-T2x3H3P1XRYGijMe2Px-paWG2lw7aaY5lzkW7OWasQgkPueAVUwwVHzbK47Zt7iOnwSJBx-Q3p0IFZ83i2PBB87PXUJgc6Y-X2nJzDvXjuHatd8vxTNFL8REAgA&md=190
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.129.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
98b3d9d20e032f90aca49e9b116225d539ff6fbdb7e42c3c363f63896ac03d2a

Request headers

:path
/impression.gif?an=43qmVmxyaOtVD8VZDa4uTIwshi7r3az_nzTNZvzodzvgeCADM0PPBgaGBntGRgYWaab-T2x3H3P1XRYGijMe2Px-paWG2lw7aaY5lzkW7OWasQgkPueAVUwwVHzbK47Zt7iOnwSJBx-Q3p0IFZ83i2PBB87PXUJgc6Y-X2nJzDvXjuHatd8vxTNFL8REAgA&md=190
pragma
no-cache
cookie
prov=a517127f-e175-b71d-6495-1af5b63f26bd; _ga=GA1.2.1444197103.1525880005; _gid=GA1.2.1326910843.1525880005; _gat=1; __qca=P0-1061220752-1525880004828; __gads=ID=83fcd48a6fa39a8e:T=1525880004:S=ALNI_MbGbLmK7pOnQN3rLIorUkVkaOScCg
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
clc.stackoverflow.com
referer
https://stackoverflow.com/
:scheme
https
:method
GET
Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/66.0.3359.139 Safari/537.36

Response headers

date
Wed, 09 May 2018 15:33:25 GMT
content-encoding
gzip
age
0
x-dns-prefetch-control
off
x-cache
MISS
status
200
x-request-guid
4334d3bb-2e3a-46db-9420-82a7f850eb44
content-length
57
x-served-by
cache-hhn1540-HHN
x-timer
S1525880005.199783,VS0,VE93
vary
Fastly-SSL
content-type
image/gif
via
1.1 varnish
cache-control
private
accept-ranges
bytes
x-cache-hits
0

Verdicts & Comments Add Verdict or Comment

53 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.

function| $ function| jQuery function| IsMalwareProxy object| StackExchange object| jQuery112407729799474950041 object| clc object| dfp_targeting object| googletag object| _qevents object| _comscore string| GoogleAnalyticsObject function| ga string| clc_request function| udm_ object| ns_p object| COMSCORE object| gaplugins function| moveScroller function| sanitizeAndSplitTags function| initTagRenderer function| showFadingHelpText function| initFadingHelpText function| styleCode object| UniversalAuth function| EventEmitter function| klass object| gaGlobal object| gaData object| googleToken object| googleIMState object| google_js_reporting_queue function| processGoogleToken function| quantserve function| __qc object| ezt object| _qoptions object| GPT_jstiming undefined| google_measure_js_timing boolean| google_noFetch boolean| google_DisableInitialLoad number| __google_ad_urls_id number| google_unique_id object| closure_memoize_cache_ function| Goog_AdSense_getAdAdapterInstance function| Goog_AdSense_OsdAdapter object| __google_ad_urls object| ampInaboxIframes object| ampInaboxPendingMessages boolean| google_osd_loaded boolean| google_onload_fired function| Goog_Osd_UnloadAdBlock function| Goog_Osd_UpdateElementToMeasure function| google_osd_amcb

6 Cookies

Domain/Path Name / Value
.stackoverflow.com/ Name: __qca
Value: P0-1061220752-1525880004828
.stackoverflow.com/ Name: prov
Value: a517127f-e175-b71d-6495-1af5b63f26bd
.stackoverflow.com/ Name: _gat
Value: 1
.stackoverflow.com/ Name: _gid
Value: GA1.2.1326910843.1525880005
.stackoverflow.com/ Name: _ga
Value: GA1.2.1444197103.1525880005
stackoverflow.com/ Name: notice-sot
Value: !1

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-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.

adservice.google.com
adservice.google.de
ajax.googleapis.com
cdn.sstatic.net
clc.stackoverflow.com
i.stack.imgur.com
pagead2.googlesyndication.com
pixel.quantserve.com
rules.quantcount.com
sb.scorecardresearch.com
secure.quantserve.com
securepubads.g.doubleclick.net
stackoverflow.com
tpc.googlesyndication.com
www.google-analytics.com
www.googletagservices.com
104.16.110.18
151.101.129.69
151.101.65.69
172.217.18.162
172.217.18.170
172.217.22.66
172.217.23.129
172.217.23.142
18.194.250.142
2.19.43.224
216.58.207.66
54.192.197.187
95.172.94.30
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3ef0264e2a7517e9f984d154871b3fc3bcc318164035e5f24639ecb30d14a5e8
4b7da630743a48c3769d7ef75513f1a9db8ad9316c184f73ff2341883b658c40
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917314b9af352ecdb46c2dc84ce1e593cec054986088e8c6c240547389fe5e0f
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b3aad02b169692614aee9a8a848b31520ac821b6bc577bba4dfe278473e2f185
b5875a9f56d5f9e8a1cea9b563cd4d88b175d72c99ec680ce533ee298683248f
ba214ef6353e19888e9192c7b64d5ab18c688d368222f607fe74c4b1a2d27bfa
ca3d163bab055381827226140568f3bef7eaac187cebd76878e0b63e9e442356
ddc11e2a06933e21dd35f6656294ddf1e16ccca2f240eba408bcdceaf025ab64
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