github.io favicon

github.io

Category: Technology

Scanned: Apr 25, 2026, 04:17 PM UTC · First seen: Apr 25, 2026 · Threat Engines: 0 / 94 · Times Scanned: 1
90 / 100 Trust Score Based on scan findings at the time of analysis
No Threats Found
0 - High Risk50 - Moderate100 - No Threats
Fresh scan recommended
Last scanned 17 days ago - security status may have changed since then.
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Screenshot of github.io Captured Apr 25, 2026
https://github.io
Screenshot of github.io
13 years
Extremely Popular - #123 Tranco rank (>100M monthly visitors)
Not listed (94 checked)
✓ Valid (TLS)
GitHub, Inc
San Francisco, United States
GitHub.com
Next.js
185.199.110.153
Domain & WHOIS Information
Registrar MarkMonitor, Inc.
Registered March 8, 2013
Expires March 8, 2027
Name Servers dns1.p05.nsone.net
DNSSEC Unsigned
Hosting GitHub, Inc
Reputation & Threat Check 94 security engines checked
File Scan Summary Powered by Quttera Engine
37 files scanned
No threats
36
Low Risk
0
Medium Risk
1
High Risk
0
No threats Low Risk Medium Risk High Risk
pages.github.com/# 14.1 KB Flagged: medium risk
pages.github.com.http-redirect 81 B No threats
pages.github.com/favicon.ico 6.4 KB No threats
pages.github.com/a 9.2 KB No threats
docs.github.com/pages 96.4 KB No threats
pages.github.com/images/source-setting%402x.png 127.9 KB No threats
pages.github.com/images/code-editor%402x.png 232.0 KB No threats
pages.github.com/images/theme-chooser%402x.png 402.7 KB No threats
pages.github.com/images/logo.svg 5.4 KB No threats
pages.github.com/images/launch-theme-chooser%402x.png 94.5 KB No threats
pages.github.com/images/new-commit-file%402x.png 112.4 KB No threats
Show 26 more...
Quttera flagged medium risk files - is this your website?
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External Links & Domains
114
External Links
All Clean
0
Iframes
Clean
15
Referenced Domains
All Clean
0
Flagged Resources
None Detected
http://github.io/${e.props[Not flagged
http://github.io/${e}Not flagged
http://github.io/${t}/site-policy/privacy-policies/github-privacy-statementNot flagged
http://github.io/_next/static/RnXP289Dol5mxaBZzvsej/_buildManifest.jsNot flagged
http://github.io/_next/static/RnXP289Dol5mxaBZzvsej/_ssgManifest.jsNot flagged
http://github.io/_next/static/chunks/2857-311d7761dc6243bb.jsNot flagged
http://github.io/_next/static/chunks/2911edaa-498f353f680a6bc0.jsNot flagged
http://github.io/_next/static/chunks/356-50270be47535a244.jsNot flagged
http://github.io/_next/static/chunks/3576-143b941f10f85efc.jsNot flagged
http://github.io/_next/static/chunks/4539-152a524cc8af7463.jsNot flagged
http://github.io/_next/static/chunks/471-9fc634eb2578c865.jsNot flagged
http://github.io/_next/static/chunks/7859-21e972a29c63f6f9.jsNot flagged
http://github.io/_next/static/chunks/9296-adce7d38c5ff8f82.jsNot flagged
http://github.io/_next/static/chunks/framework-34c2c0424fa2c81d.jsNot flagged
http://github.io/_next/static/chunks/main-1c2d02885fc63e43.jsNot flagged
Show 99 more...
desktop.github.comNot flagged
docs.github.comNot flagged
github.blogNot flagged
github.comNot flagged
github.ioNot flagged
githubstatus.comNot flagged
help.github.comNot flagged
jekyllrb.comNot flagged
pages.github.comNot flagged
services.github.comNot flagged
shop.github.comNot flagged
support.github.comNot flagged
training.github.comNot flagged
twitter.comNot flagged
www.githubstatus.comNot flagged
github.io Overview

Description of github.io

github.io appears to be the domain used for GitHub Pages, a static website hosting platform associated with GitHub. Based on the page title, metadata, and screenshot, the scanned page is the official documentation area for GitHub Pages, which explains how users can publish websites directly from GitHub repositories without separate hosting infrastructure.

The service is operated by GitHub, Inc. and is commonly used by developers, open-source projects, documentation sites, and personal portfolios. The github.io domain is widely recognized as part of GitHub’s publishing ecosystem, where individual user or project sites are typically hosted on subdomains, while the scanned page itself appears to be a documentation resource for setting up and managing those sites.

Safety Assessment for github.io

The available scan results are generally favorable. At the time of this scan, 0 out of 94 security engines flagged the domain, and the domain did not appear on the checked blacklist databases. The domain also has a long operating history, a very high traffic ranking, and infrastructure consistent with a major established technology platform, all of which tend to reduce uncertainty compared with newly registered or obscure domains.

One malware scan did mark 1 out of 37 scanned files as suspicious, specifically a documentation-related page path, but no specific threat family or malicious payload name was provided. Given the absence of supporting detections from security engines, blacklists, or flagged external links, this isolated result may reflect a heuristic or content-based false positive rather than confirmed harmful activity.

Based on available data, no threats were detected at the time of this scan, though users should keep in mind that github.io also hosts user-generated content on subdomains, so trust can vary between individual pages and projects.

Technical Description

The domain appears to use a valid TLS certificate issued by Let's Encrypt, with certificate validity extending into 2026. It resolves to infrastructure associated with GitHub, Inc. and uses a web server identified as GitHub.com, hosted from an IP address in San Francisco, United States. The domain is mature, registered through a major registrar, and supported by multiple authoritative nameservers.

DNSSEC appears to be unsigned, which is not uncommon but means DNS responses do not benefit from DNSSEC validation. No major infrastructure-level security concerns are evident from the provided data, although the scan did not specify the negotiated TLS protocol version, so a full transport-security assessment is limited.

HTTP Redirect Chain
301 https://github.io
200 https://pages.github.com/
Website Insights
#123
Tranco Rank
Extremely Popular
Visitors >100M/mo
Category: Technology
Rank History (30 days)
Mar 16 Apr 24
2 cookies detected
Essential2
Analytics0
Advertising0
Social0
0 1st party cookies
2 3rd party (trackers)
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This report was generated automatically and is provided for informational purposes only. Results are based on a point-in-time scan and may contain false positives or incomplete data. This does not constitute a security audit or certification. No vendor in the market can guarantee a 100% detection rate. If you believe this report is inaccurate, please submit a dispute.

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