github.io

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github.io is ranked #129 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 4 places in four weeks. The domain was registered on Mar 8, 2013, 13 years, 7 months ago, through MarkMonitor Inc., and is paid up until Mar 8, 2027. Its homepage uses jQuery and Jekyll. It is served through Fastly and GitHub Pages.

Global rank

#129

– this week

Domain age

13 years

since Mar 8, 2013

Technologies

detected on the homepage

SEO score

76/100

homepage checks

Popularity rank

#129 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #115.

Weekly Tranco rank (lower is more popular).

See where github.io sits in the top 10,000

Domain registration

Registered: Mar 8, 2013 (13 years, 7 months ago)
Expires: Mar 8, 2027
Registrar: MarkMonitor Inc.
Name servers: ns-692.awsdns-22.net, ns-1622.awsdns-10.co.uk, dns1.p05.nsone.net, dns2.p05.nsone.net, dns3.p05.nsone.net
DNSSEC: Not signed

From the registry's public RDAP record, checked Oct 1, 2026.

Technology stack

JavaScript libraries

CMS & site builders

CDN

Hosting

Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.

Homepage SEO check

Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.

76/100

https://pages.github.com/

GitHub Pages | Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.

Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.

13 passed · 9 warnings · 1 failed

Content

!Title139 characters — aim for 15–65
✓Meta description124 characters
!H1 heading3 H1 headings — use one
✓Subheadings2 H2 headings
✓Image alt textAll 13 images have alt text
✓Content lengthAbout 681 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://pages.github.com/
!robots.txtNot found
✓XML sitemapFound
✓Language attributeen
✓Structured dataWebSite

Social sharing

!Open Graph2 of 3 key tags set
✓Twitter / X cardsummary

Technical

✓HTTPSServed over HTTPS
✕Mobile viewportMissing
✓FaviconFound
✓Character encodingutf-8

Security headers

!Strict-Transport-SecurityNot set
!Content-Security-PolicyNot set
!Clickjacking protectionNot set
!X-Content-Type-OptionsNot set
!Referrer-PolicyNot set

Server response

Final URL: https://pages.github.com/
HTTP status: 200
Server: GitHub.com
Response time: 1.05 s (first byte 1.05 s, from our scanner in a US data centre)
HTML size: 14 KB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#6,359	brew.sh	Jekyll, GitHub Pages, cdnjs

Sites ranked near github.io

Rank	Website	Registered	Built with
#124	cdn77.org	2013	—
#125	trbcdn.net	2017	—
#126	reg.ru	—	—
#127	dnsowl.com	2010	—
#128	aliyuncs.com	2012	Alibaba Cloud CDN
#130	dropbox.com	1995	Envoy
#131	intuit.com	1994	Akamai
#132	apache.org	1995	Fastly, Apache, jQuery
#133	amazon.dev	2019	—
#134	dns-parking.com	2019	—

Questions about github.io

How popular is github.io?

github.io is #129 worldwide in the Tranco list published Oct 13, 2026.

How old is github.io?

github.io was registered on Mar 8, 2013, which makes the domain 13 years, 7 months old.

What is github.io built with?

We detected jQuery, Jekyll, Fastly and GitHub Pages on its homepage.

Who is the registrar of github.io?

MarkMonitor Inc., according to the registry's RDAP record.