Submitted URL: http://stackoverflow.com/
Effective URL: https://stackoverflow.com/
Submission: On April 10 via manual from JP

Summary

This website contacted 10 IPs in 3 countries across 10 domains to perform 27 HTTP transactions. The main IP is 151.101.193.69, 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 1 151.101.129.69 54113 (FASTLY)
12 151.101.193.69 54113 (FASTLY)
1 172.217.23.170 15169 (GOOGLE)
1 23.210.249.164 20940 (AKAMAI-ASN1)
6 104.16.111.18 13335 (CLOUDFLAR...)
1 2 216.58.205.238 15169 (GOOGLE)
1 95.172.94.30 15570 (Internap ...)
1 3 2.16.31.65 16625 (AKAMAI-AS)
1 74.125.206.157 15169 (GOOGLE)
1 13.32.222.45 16509 (AMAZON-02)
1 95.172.94.18 15570 (Internap ...)
27 10
Domain Requested by
9 cdn.sstatic.net stackoverflow.com
cdn.sstatic.net
6 i.stack.imgur.com stackoverflow.com
3 sb.scorecardresearch.com 1 redirects stackoverflow.com
2 clc.stackoverflow.com cdn.sstatic.net
stackoverflow.com
2 www.google-analytics.com 1 redirects stackoverflow.com
2 stackoverflow.com 1 redirects
1 pixel.quantserve.com stackoverflow.com
1 rules.quantcount.com secure.quantserve.com
1 stats.g.doubleclick.net stackoverflow.com
1 secure.quantserve.com stackoverflow.com
1 js-sec.indexww.com stackoverflow.com
1 ajax.googleapis.com stackoverflow.com
27 12

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

Domain
chat.stackoverflow.com
meta.stackoverflow.com
stackexchange.com
stackoverflow.blog
www.stackoverflowbusiness.com
ell.stackexchange.com
graphicdesign.stackexchange.com
gaming.stackexchange.com
dba.stackexchange.com
travel.stackexchange.com
economics.stackexchange.com
english.stackexchange.com
superuser.com
worldbuilding.stackexchange.com
security.stackexchange.com
codegolf.stackexchange.com
askubuntu.com
rpg.stackexchange.com
puzzling.stackexchange.com
academia.stackexchange.com
movies.stackexchange.com
cs.stackexchange.com
bricks.stackexchange.com
serverfault.com
webapps.stackexchange.com
webmasters.stackexchange.com
gamedev.stackexchange.com
tex.stackexchange.com
softwareengineering.stackexchange.com
unix.stackexchange.com
apple.stackexchange.com
wordpress.stackexchange.com
gis.stackexchange.com
electronics.stackexchange.com
android.stackexchange.com
drupal.stackexchange.com
sharepoint.stackexchange.com
ux.stackexchange.com
mathematica.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
music.stackexchange.com
cooking.stackexchange.com
diy.stackexchange.com
money.stackexchange.com
law.stackexchange.com
skeptics.stackexchange.com
judaism.stackexchange.com
christianity.stackexchange.com
japanese.stackexchange.com
bicycles.stackexchange.com
anime.stackexchange.com
mechanics.stackexchange.com
mathoverflow.net
math.stackexchange.com
stats.stackexchange.com
cstheory.stackexchange.com
physics.stackexchange.com
chemistry.stackexchange.com
biology.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 1 frames:

Primary Page: https://stackoverflow.com/
Frame ID: 18A1EB60424536084B6120613283C13D
Requests: 27 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 /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

27
Requests

11 %
HTTPS

0 %
IPv6

10
Domains

12
Subdomains

10
IPs

3
Countries

352 kB
Transfer

1269 kB
Size

5
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 19
  • https://sb.scorecardresearch.com/b?c1=2&c2=17440561&ns__t=1523338420140&ns_c=UTF-8&cv=3.1&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=1523338420140&ns_c=UTF-8&cv=3.1&c8=Stack%20Overflow%20-%20Where%20Developers%20Learn%2C%20Share%2C%20%26%20Build%20Careers&c7=https%3A%2F%2Fstackoverflow.com%2F&c9=
Request Chain 22
  • https://www.google-analytics.com/r/collect?v=1&_v=j66&a=2106121560&t=pageview&_s=1&dl=https%3A%2F%2Fstackoverflow.com%2F&ul=en-us&de=UTF-8&dt=Stack%20Overflow%20-%20Where%20Developers%20Learn%2C%20Share%2C%20%26%20Build%20Careers&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=aEBAAEABE~&jid=1813857259&gjid=757437563&cid=1218284634.1523338420&tid=UA-108242619-1&_gid=285234601.1523338420&_r=1&cd3=Home%2FIndex&z=74389454 HTTP 302
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-108242619-1&cid=1218284634.1523338420&jid=1813857259&_gid=285234601.1523338420&gjid=757437563&_v=j66&z=74389454

27 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
stackoverflow.com/
Redirect Chain
  • http://stackoverflow.com/
  • https://stackoverflow.com/
250 KB
37 KB
Document
General
Full URL
https://stackoverflow.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
cace58d46b42bad289888c6d37ff93abf309f957be26b734766d167a8867775a
Security Headers
Name Value
Strict-Transport-Security max-age=15552000
X-Frame-Options SAMEORIGIN

Request headers

:path
/
pragma
no-cache
accept-encoding
gzip, deflate
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
cache-control
no-cache
:authority
stackoverflow.com
cookie
prov=3216d843-fd13-9191-5f31-567fae9e39f3
:scheme
https
:method
GET
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

strict-transport-security
max-age=15552000
content-encoding
gzip
vary
Accept-Encoding,Fastly-SSL
x-dns-prefetch-control
off
x-cache
MISS
status
200
x-request-guid
cb17c2db-16ac-4b2a-9803-c92f9a754042
content-length
37133
x-served-by
cache-hhn1523-HHN
x-timer
S1523338420.780693,VS0,VE105
date
Tue, 10 Apr 2018 05:33:39 GMT
x-frame-options
SAMEORIGIN
content-type
text/html; charset=utf-8
via
1.1 varnish
cache-control
private
accept-ranges
bytes
x-cache-hits
0

Redirect headers

Date
Tue, 10 Apr 2018 05:33:39 GMT
Via
1.1 varnish
X-Timer
S1523338420.663894,VS0,VE93
X-Served-By
cache-hhn1528-HHN
Vary
Fastly-SSL
X-Cache
MISS
Content-Type
text/html; charset=utf-8
Location
https://stackoverflow.com/
X-Request-Guid
0c6dfe87-db8c-4cf5-895f-a6517bdcd657
Connection
keep-alive
Set-Cookie
prov=3216d843-fd13-9191-5f31-567fae9e39f3; domain=.stackoverflow.com; expires=Fri, 01-Jan-2055 00:00:00 GMT; path=/; HttpOnly
Accept-Ranges
bytes
X-DNS-Prefetch-Control
off
Content-Length
143
X-Cache-Hits
0
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
172.217.23.170 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra15s22-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 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date
Sat, 03 Feb 2018 15:57:39 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
5664960
status
200
alt-svc
hq=":443"; ma=2592000; quic=51303432; quic=51303431; quic=51303339; quic=51303335,quic=":443"; ma=2592000; v="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/
38 KB
13 KB
Script
General
Full URL
https://cdn.sstatic.net/Js/stub.en.js?v=2a0ddd854c91
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
b44b0d4f578a05b435948169c3f21eb71c936c99ec9dc6d00db3ab3707f82292

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date
Tue, 10 Apr 2018 05:33:39 GMT
content-encoding
gzip
age
497362
x-cache
HIT
status
200
content-length
13359
x-served-by
cache-hhn1523-HHN
last-modified
Wed, 04 Apr 2018 06:28:01 GMT
x-timer
S1523338420.895108,VS0,VE0
etag
"80ee7014decbd31:0"
vary
Accept-Encoding,Accept-Encoding
content-type
application/javascript
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
4540
stacks.css
cdn.sstatic.net/Shared/
71 KB
13 KB
Stylesheet
General
Full URL
https://cdn.sstatic.net/Shared/stacks.css?v=bb810ef78683
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
620ff1a6e6e0dc8673de8f774cf7df8ef69167f733f08179e55eb4b0c9551fef

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date
Tue, 10 Apr 2018 05:33:39 GMT
content-encoding
gzip
age
303198
x-cache
HIT
status
200
content-length
12724
x-served-by
cache-hhn1523-HHN
access-control-allow-origin
*
last-modified
Fri, 06 Apr 2018 05:13:07 GMT
x-timer
S1523338420.895095,VS0,VE0
etag
"8073a2f265cdd31:0"
vary
Accept-Encoding,Accept-Encoding
content-type
text/css
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
102021
primary.css
cdn.sstatic.net/Sites/stackoverflow/
405 KB
66 KB
Stylesheet
General
Full URL
https://cdn.sstatic.net/Sites/stackoverflow/primary.css?v=ec9c7a89f898
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
1227c5a0022437c41aea5ac9e13967046b3cddf290d26cf4e722dec205c4aa43

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date
Tue, 10 Apr 2018 05:33:39 GMT
content-encoding
gzip
age
303197
x-cache
HIT
status
200
content-length
67232
x-served-by
cache-hhn1523-HHN
last-modified
Fri, 06 Apr 2018 05:13:27 GMT
x-timer
S1523338420.895088,VS0,VE0
etag
"80358efe65cdd31:0"
vary
Accept-Encoding,Accept-Encoding
content-type
text/css
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
59117
185901-159836282584097.js
js-sec.indexww.com/ht/p/
67 KB
21 KB
Script
General
Full URL
https://js-sec.indexww.com/ht/p/185901-159836282584097.js
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
HTTP/1.1
Server
23.210.249.164 Cambridge, United States, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
a23-210-249-164.deploy.static.akamaitechnologies.com
Software
Apache /
Resource Hash
13fbad424500ba7ccd6ebc724d1ffa6d947e8705d4764d3d3bf5a4bbe011dbee

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

Date
Tue, 10 Apr 2018 05:33:39 GMT
Content-Encoding
gzip
Last-Modified
Tue, 10 Apr 2018 05:25:48 GMT
Server
Apache
ETag
"da1a4a-10d7e-56977c14818bd"
Vary
Accept-Encoding
P3P
policyref="/w3c/p3p.xml", CP="NOI DSP COR DEVa TAIa OUR BUS UNI"
Cache-Control
max-age=3401
Connection
keep-alive
Accept-Ranges
bytes
Content-Type
text/javascript
Content-Length
21036
Expires
Tue, 10 Apr 2018 06:30:20 GMT
tKsDb.png
i.stack.imgur.com/
259 B
715 B
Image
General
Full URL
https://i.stack.imgur.com/tKsDb.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.111.18 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 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

cf-ray
4092d7049fe79810-FRA
date
Tue, 10 Apr 2018 05:33:39 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
Fri, 07 Apr 2028 05:33:39 GMT
817gJ.png
i.stack.imgur.com/
2 KB
2 KB
Image
General
Full URL
https://i.stack.imgur.com/817gJ.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.111.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
057d809946d2eba32a42390fd9c53f975130c950093245162ad3d0fb348eef35

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

cf-ray
4092d704afee9810-FRA
date
Tue, 10 Apr 2018 05:33:39 GMT
cf-cache-status
HIT
last-modified
Thu, 28 Apr 2016 20:28:40 GMT
server
cloudflare
etag
"65b816ac5d6e41e58c8bc61ee5f8fcfc"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-version-id
ppJ60wpUjXQ4vBz1vrtDCd_ppXyhyy6x
status
200
cache-control
public, max-age=315360000
content-type
image/png
content-length
1579
expires
Fri, 07 Apr 2028 05:33:39 GMT
GXwX9.png
i.stack.imgur.com/
397 B
877 B
Image
General
Full URL
https://i.stack.imgur.com/GXwX9.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.111.18 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 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

cf-ray
4092d704afef9810-FRA
date
Tue, 10 Apr 2018 05:33:39 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
Fri, 07 Apr 2028 05:33:39 GMT
xqoqk.png
i.stack.imgur.com/
996 B
1 KB
Image
General
Full URL
https://i.stack.imgur.com/xqoqk.png
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
SPDY
Server
104.16.111.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
f9b89045218455a24d5704dacf8a1474b52ba812fc665777b091c8e8a030c6b7

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

cf-ray
4092d704aff09810-FRA
date
Tue, 10 Apr 2018 05:33:39 GMT
cf-cache-status
HIT
last-modified
Wed, 04 Nov 2015 18:33:19 GMT
server
cloudflare
etag
"5b199ed7884f24ac48110b838c44234c"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
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rules-p-c1rF4kxgLUzNc.js
rules.quantcount.com/
3 B
339 B
Script
General
Full URL
https://rules.quantcount.com/rules-p-c1rF4kxgLUzNc.js
Requested by
Host: secure.quantserve.com
URL: https://secure.quantserve.com/quant.js
Protocol
SPDY
Server
13.32.222.45 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-222-45.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
ca3d163bab055381827226140568f3bef7eaac187cebd76878e0b63e9e442356

Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date
Sun, 20 Aug 2017 06:12:25 GMT
via
1.1 3c2476383ec2dd20b3b952b944a0f17d.cloudfront.net (CloudFront)
last-modified
Sat, 04 Mar 2017 20:52:55 GMT
server
AmazonS3
age
83935
etag
"8a80554c91d9fca8acb82f023de02f11"
x-cache
Hit from cloudfront
content-type
application/x-javascript
status
200
cache-control
max-age=86400
accept-ranges
bytes
content-length
3
x-amz-cf-id
1BcAz4qNMaZJi933FgmyWPKbz2GtocXMySbGopk3BzjMstXZo1LTew==
pixel;r=1963085716;rf=0;a=p-c1rF4kxgLUzNc;url=https%3A%2F%2Fstackoverflow.com%2F;fpan=1;fpa=P0-352896348-1523338420234;ns=0;ce=1;cm=;ref=;je=0;sr=1600x1200x24;enc=n;dst=0;et=1523338420234;tzo=0;ogl...
pixel.quantserve.com/
35 B
474 B
Image
General
Full URL
https://pixel.quantserve.com/pixel;r=1963085716;rf=0;a=p-c1rF4kxgLUzNc;url=https%3A%2F%2Fstackoverflow.com%2F;fpan=1;fpa=P0-352896348-1523338420234;ns=0;ce=1;cm=;ref=;je=0;sr=1600x1200x24;enc=n;dst=0;et=1523338420234;tzo=0;ogl=type.website%2Curl.https%3A%2F%2Fstackoverflow%252Ecom%2F%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
95.172.94.18 , United Kingdom, ASN15570 (Internap European Autonomous System, GB),
Reverse DNS
pixel.quantserve.com
Software
QS /
Resource Hash
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Request headers

Referer
https://stackoverflow.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

Pragma
no-cache
Date
Tue, 10 Apr 2018 05:33:40 GMT
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
close
Content-Type
image/gif
Content-Length
35
Expires
Fri, 04 Aug 1978 12:00:00 GMT
impression.gif
clc.stackoverflow.com/
43 B
177 B
Image
General
Full URL
https://clc.stackoverflow.com/impression.gif?an=4yrLuTx3ybyrHoo717m6MDGybOhWVbnJdNI0m_Gj3-2A44EMLAw9GxgYGuwZGRlYpJnm7uDovsu144wwUHzXAdUmf0sNtbl20kz9n9juPubquwwSZzyw-f1KqPiiWRzLPnD-7xICi3utmWTpMHsKUPz7U447V7iajoDU5x0QkIoGq2d4qKV1UG_t5buf8gE&md=142
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
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Request headers

:path
/impression.gif?an=4yrLuTx3ybyrHoo717m6MDGybOhWVbnJdNI0m_Gj3-2A44EMLAw9GxgYGuwZGRlYpJnm7uDovsu144wwUHzXAdUmf0sNtbl20kz9n9juPubquwwSZzyw-f1KqPiiWRzLPnD-7xICi3utmWTpMHsKUPz7U447V7iajoDU5x0QkIoGq2d4qKV1UG_t5buf8gE&md=142
pragma
no-cache
cookie
prov=3216d843-fd13-9191-5f31-567fae9e39f3; _ga=GA1.2.1218284634.1523338420; _gid=GA1.2.285234601.1523338420; _gat=1; __qca=P0-352896348-1523338420234
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 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 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date
Tue, 10 Apr 2018 05:33:40 GMT
content-encoding
gzip
age
0
x-dns-prefetch-control
off
x-cache
MISS
status
200
x-request-guid
abda3b16-05a9-4d38-821e-1658739e99b9
content-length
57
x-served-by
cache-hhn1523-HHN
x-timer
S1523338420.291102,VS0,VE103
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

34 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| headertag object| googletag function| headertag_render object| jQuery1124022420203689744467 object| clc object| dfp_targeting string| clc_request object| _qevents object| _comscore string| GoogleAnalyticsObject function| ga 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 function| quantserve function| __qc object| ezt object| _qoptions

5 Cookies

Domain/Path Name / Value
.stackoverflow.com/ Name: __qca
Value: P0-352896348-1523338420234
.stackoverflow.com/ Name: _gat
Value: 1
.stackoverflow.com/ Name: _ga
Value: GA1.2.1218284634.1523338420
.stackoverflow.com/ Name: _gid
Value: GA1.2.285234601.1523338420
.stackoverflow.com/ Name: prov
Value: 3216d843-fd13-9191-5f31-567fae9e39f3

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.

ajax.googleapis.com
cdn.sstatic.net
clc.stackoverflow.com
i.stack.imgur.com
js-sec.indexww.com
pixel.quantserve.com
rules.quantcount.com
sb.scorecardresearch.com
secure.quantserve.com
stackoverflow.com
stats.g.doubleclick.net
www.google-analytics.com
104.16.111.18
13.32.222.45
151.101.129.69
151.101.193.69
172.217.23.170
2.16.31.65
216.58.205.238
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74.125.206.157
95.172.94.18
95.172.94.30
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