stackexchange.com

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stackexchange.com is ranked #939 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 809 places in four weeks. The domain was registered on Jun 12, 2009, 17 years, 4 months ago, through CSC Corporate Domains, Inc., and is paid up until Jun 12, 2027. Its homepage uses jQuery and Google Fonts. It is served through Cloudflare.

Global rank

#939

▲ 75 this week

Domain age

17 years

since Jun 12, 2009

Technologies

detected on the homepage

SEO score

76/100

homepage checks

Popularity rank

#939 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: #939.

Weekly Tranco rank (lower is more popular).

See where stackexchange.com sits in the top 10,000

Domain registration

Registered: Jun 12, 2009 (17 years, 4 months ago)
Expires: Jun 12, 2027
Registrar: CSC Corporate Domains, Inc.
Name servers: damian.ns.cloudflare.com, sureena.ns.cloudflare.com
DNSSEC: Not signed

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

Technology stack

JavaScript libraries

jQuery

UI frameworks & fonts

Google Fonts

CDN

Cloudflare

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://stackexchange.com/

Hot Questions - Stack Exchange

Stack Overflow – 180+ community-powered knowledge sites.

14 passed · 7 warnings · 2 failed

Content

✓Title30 characters
✓Meta description56 characters
✓H1 headingExactly one H1
✓Subheadings34 H2 headings
✓Image alt textAll 72 images have alt text
✓Content lengthAbout 1,166 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
!robots.txtNot found
!XML sitemapNot found
✓Language attributeen
!Structured dataNo JSON-LD or microdata

Social sharing

✕Open GraphMissing
!Twitter / X cardMissing

Technical

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

Security headers

✓Strict-Transport-SecuritySet
✓Content-Security-PolicySet
✓Clickjacking protectionSet
!X-Content-Type-OptionsNot set
!Referrer-PolicyNot set

Server response

Final URL: https://stackexchange.com/
HTTP status: 200
Server: cloudflare
Response time: 889 ms (first byte 883 ms, from our scanner in a US data centre)
HTML size: 107 KB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#2,763	cutt.ly	Cloudflare, jQuery, Bootstrap
#3,012	rsc.org	Cloudflare, jQuery, Google Fonts
#3,806	rte.ie	cdnjs, Cloudflare, jQuery
#4,018	umass.edu	Drupal, Cloudflare, jQuery
#4,075	aruba.it	Cloudflare, jQuery, Google Tag Manager
#8,130	antena3.ro	Cloudflare, jQuery, Google Analytics

Sites ranked near stackexchange.com

Rank	Website	Registered	Built with
#934	odoo.com	2001	Nginx, Google Fonts
#935	flashtalking.com	2002	—
#936	classlink.com	1998	Webflow, Cloudflare, Google Tag Manager
#937	mercadolivre.com.br	1999	Envoy, Nginx, Hotjar
#938	deloitte.com	1995	Akamai, Google Tag Manager, Google Fonts
#940	tiktokw.us	—	—
#941	mercadolibre.com.ar	1999	Envoy, Nginx, Hotjar
#942	patreon.com	2013	Cloudflare
#943	genius.com	1994	Cloudflare
#944	stbid.ru	—	—

Questions about stackexchange.com

How popular is stackexchange.com?

stackexchange.com is #939 worldwide in the Tranco list published Oct 13, 2026.

How old is stackexchange.com?

stackexchange.com was registered on Jun 12, 2009, which makes the domain 17 years, 4 months old.

What is stackexchange.com built with?

We detected jQuery, Google Fonts and Cloudflare on its homepage.

Who is the registrar of stackexchange.com?

CSC Corporate Domains, Inc., according to the registry's RDAP record.