Is github.io legit?
This site appears to be trusted, backed by a strong domain age and excellent traffic ranking. While there are minor gaps in legal pages and social media presence, the core infrastructure and security are solid.
Hosting & Domains average: 77/100 · based on 38 sites
Checked: April 21, 2026 at 6:47 PM UTC
Is github.io a scam? Here's what we found.
Security is strong with a current TLS 1.3 implementation, a valid SSL certificate (though from Let's Encrypt), and a clean bill of health from Google Web Risk, indicating no detected threats.
The domain has a significant age (over 13 years) and publicly visible WHOIS data showing registration through a reputable registrar, clearly identifying GitHub, Inc. as the registrant.
Its Tranco rank is exceptionally high, indicating a very well-known and trafficked domain. It's also clean on all DNS blacklists, reinforcing its positive reputation.
Basic contact information is present, and the site has custom branding, but the lack of social media presence on the homepage slightly reduces its overall transparency in user engagement.
The site has an incomplete set of legal pages, missing either a privacy policy or terms of service, which is a notable gap for user understanding and regulatory compliance.
The infrastructure is robust with multiple IP addresses, good name server distribution, and a present SPF record. However, the redirect away from the primary domain and a misconfigured sitemap are minor drawbacks.
Signals Detected
This is one of the most visited websites globally
Site uses structured data identifying itself as: WebSite
This business has no Trustpilot presence — not unusual for smaller or newer companies
crt.sh returned status 502
Resolves to: 185.199.110.153, 185.199.111.153, 185.199.109.153, 185.199.108.153
No MX records found — domain may not handle email
Domain has SPF email authentication configured
DNS providers: dns1.p05.nsone.net., dns2.p05.nsone.net., dns3.p05.nsone.net., dns4.p05.nsone.net., ns-1339.awsdns-39.org., ns-1622.awsdns-10.co.uk., ns-393.awsdns-49.com., ns-692.awsdns-22.net.
Valid certificate, expires in 75 days
Certificate issued by Let's Encrypt
Connection uses TLS 1.3
Site has custom branding and social media metadata
Sitemap URL returns non-XML content
robots.txt has 257 directives
Site redirects to https://pages.github.com/
Web server: GitHub.com
No threats detected by Google Web Risk
Domain created 2013-03-08T19:12:48Z (13 years, 3 months ago)
Registered through MarkMonitor Inc.
Expires in 321 days
DNSSEC status from WHOIS
Website is live and responding
Website appears to have contact information
Website is missing either privacy policy or terms of service
No social media links found on homepage
Could not query Wayback Machine
Not found on any DNS blacklists
Fast page load
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