Submitted URL: http://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios
Effective URL: https://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios
Submission: On August 03 via api from US

Summary

This website contacted 14 IPs in 5 countries across 15 domains to perform 44 HTTP transactions. The main IP is 151.101.129.69, located in United States and belongs to FASTLY - Fastly, US. The main domain is stackoverflow.com.
TLS certificate: Issued by Let's Encrypt Authority X3 on July 26th 2019. Valid for: 3 months.
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 15 151.101.129.69 54113 (FASTLY)
1 2a00:1450:400... 15169 (GOOGLE)
8 2a04:fa87:fff... 2635 (AUTOMATTIC)
2 104.16.0.35 13335 (CLOUDFLAR...)
4 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 91.228.74.144 27281 (QUANTCAST)
1 3 2.19.43.224 20940 (AKAMAI-ASN1)
3 216.58.208.34 15169 (GOOGLE)
1 2600:9000:200... 16509 (AMAZON-02)
1 91.228.74.152 27281 (QUANTCAST)
3 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
44 14
Domain Requested by
10 cdn.sstatic.net stackoverflow.com
cdn.sstatic.net
8 www.gravatar.com stackoverflow.com
3 tpc.googlesyndication.com securepubads.g.doubleclick.net
3 securepubads.g.doubleclick.net www.googletagservices.com
securepubads.g.doubleclick.net
3 sb.scorecardresearch.com 1 redirects stackoverflow.com
3 stackoverflow.com 1 redirects ajax.googleapis.com
2 clc.stackoverflow.com cdn.sstatic.net
stackoverflow.com
2 www.google-analytics.com stackoverflow.com
www.google-analytics.com
2 www.googletagservices.com stackoverflow.com
securepubads.g.doubleclick.net
2 i.stack.imgur.com stackoverflow.com
1 cdn.ampproject.org securepubads.g.doubleclick.net
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 ajax.googleapis.com stackoverflow.com
44 17

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

Domain
www.stackoverflowbusiness.com
chat.stackoverflow.com
meta.stackoverflow.com
stackexchange.com
stackoverflow.blog
jsbin.com
orientation.gokercebeci.com
github.com
sandbox.juurlink.org
jsfiddle.net
evsjupiter.com
developer.apple.com
meta.stackexchange.com
aviation.stackexchange.com
outdoors.stackexchange.com
retrocomputing.stackexchange.com
scifi.stackexchange.com
photo.stackexchange.com
workplace.stackexchange.com
math.stackexchange.com
interpersonal.stackexchange.com
mathematica.stackexchange.com
unix.stackexchange.com
worldbuilding.stackexchange.com
movies.stackexchange.com
puzzling.stackexchange.com
diy.stackexchange.com
salesforce.stackexchange.com
politics.stackexchange.com
boardgames.stackexchange.com
electronics.stackexchange.com
security.stackexchange.com
skeptics.stackexchange.com
serverfault.com
superuser.com
webapps.stackexchange.com
askubuntu.com
webmasters.stackexchange.com
gamedev.stackexchange.com
tex.stackexchange.com
softwareengineering.stackexchange.com
apple.stackexchange.com
wordpress.stackexchange.com
gis.stackexchange.com
android.stackexchange.com
dba.stackexchange.com
drupal.stackexchange.com
sharepoint.stackexchange.com
ux.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
codegolf.stackexchange.com
es.stackoverflow.com
ethereum.stackexchange.com
datascience.stackexchange.com
arduino.stackexchange.com
bitcoin.stackexchange.com
graphicdesign.stackexchange.com
music.stackexchange.com
cooking.stackexchange.com
money.stackexchange.com
academia.stackexchange.com
law.stackexchange.com
english.stackexchange.com
judaism.stackexchange.com
travel.stackexchange.com
christianity.stackexchange.com
ell.stackexchange.com
japanese.stackexchange.com
gaming.stackexchange.com
bicycles.stackexchange.com
rpg.stackexchange.com
anime.stackexchange.com
mechanics.stackexchange.com
mathoverflow.net
stats.stackexchange.com
cstheory.stackexchange.com
physics.stackexchange.com
chemistry.stackexchange.com
biology.stackexchange.com
cs.stackexchange.com
philosophy.stackexchange.com
stackapps.com
api.stackexchange.com
data.stackexchange.com
www.facebook.com
twitter.com
linkedin.com
creativecommons.org
Subject Issuer Validity Valid
*.stackexchange.com
Let's Encrypt Authority X3
2019-07-26 -
2019-10-24
3 months crt.sh
*.googleapis.com
Google Internet Authority G3
2019-07-02 -
2019-09-24
3 months crt.sh
*.gravatar.com
COMODO RSA Domain Validation Secure Server CA
2018-09-06 -
2020-09-05
2 years crt.sh
i.stack.imgur.com
DigiCert SHA2 Secure Server CA
2018-10-16 -
2020-11-25
2 years crt.sh
*.g.doubleclick.net
Google Internet Authority G3
2019-07-02 -
2019-09-24
3 months crt.sh
*.google-analytics.com
Google Internet Authority G3
2019-07-29 -
2019-10-21
3 months crt.sh
*.quantserve.com
DigiCert SHA2 High Assurance Server CA
2018-10-16 -
2019-10-21
a year crt.sh
*.scorecardresearch.com
COMODO RSA Organization Validation Secure Server CA
2018-11-28 -
2019-12-26
a year crt.sh
*.google.com
Google Internet Authority G3
2019-07-02 -
2019-09-24
3 months crt.sh
tpc.googlesyndication.com
Google Internet Authority G3
2019-07-02 -
2019-09-24
3 months crt.sh
misc-sni.google.com
Google Internet Authority G3
2019-07-02 -
2019-09-24
3 months crt.sh

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Screenshot


Page URL History Show full URLs

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Detected technologies

Overall confidence: 100%
Detected patterns
  • headers via /varnish(?: \(Varnish\/([\d.]+)\))?/i

Overall confidence: 100%
Detected patterns
  • headers vary /Fastly-SSL/i

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

Overall confidence: 100%
Detected patterns
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Overall confidence: 100%
Detected patterns
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  • script /\.scorecardresearch\.com\/beacon\.js|COMSCORE\.beacon/i

Overall confidence: 100%
Detected patterns
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  • script /jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?/i

Page Statistics

44
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98 %
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54 %
IPv6

15
Domains

17
Subdomains

14
IPs

5
Countries

572 kB
Transfer

1830 kB
Size

0
Cookies

Page URL History

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

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Redirected requests

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Domain
tpc.googlesyndication.com
URL
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Verdicts & Comments Add Verdict or Comment

75 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| $ function| jQuery function| IsMalwareProxy object| StackExchange object| jQuery112402722666628563004 object| clc object| googletag object| _qevents object| _comscore string| GoogleAnalyticsObject function| ga object| ggeac object| closure_memoize_cache_ object| googleToken object| googleIMState object| google_js_reporting_queue function| processGoogleToken object| google_tag_data object| gaplugins string| clc_request function| moveScroller function| initTagRenderer function| showFadingHelpText function| initFadingHelpText function| styleCode object| UniversalAuth function| Svg function| EventEmitter function| klass object| Stimulus function| Popper object| Stacks object| gaGlobal object| gaData function| udm_ object| ns_p object| COMSCORE undefined| DecorationsT undefined| JobT undefined| SourceSpansT boolean| IN_GLOBAL_SCOPE object| PR function| prettyPrintOne function| prettyPrint boolean| PR_SHOULD_USE_CONTINUATION undefined| google_measure_js_timing boolean| google_noFetch number| __google_ad_urls_id number| google_unique_id object| google_reactive_ads_global_state function| quantserve function| __qc object| ezt object| _qoptions 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 object| AMP_CONFIG object| log object| AMPErrors boolean| ampInaboxInitialized object| AMP_MODE function| reportError object| ampInaboxPositionObserver object| AMP

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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
Content-Security-Policy upgrade-insecure-requests; frame-ancestors 'self' https://stackexchange.com
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
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clc.stackoverflow.com
i.stack.imgur.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
www.gravatar.com
tpc.googlesyndication.com
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