nghttp2.org

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nghttp2.org is ranked #6,130 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 32 places in four weeks. The domain was registered on Apr 17, 2014, 12 years, 5 months ago, through Squarespace Domains II LLC, and is paid up until Apr 17, 2027. Its homepage uses jQuery and Google Fonts.

Global rank

#6,130

▼ 33 this week

Domain age

12 years

since Apr 17, 2014

Technologies

detected on the homepage

SEO score

82/100

homepage checks

Popularity rank

#6,130 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: #6,072.

Weekly Tranco rank (lower is more popular).

See where nghttp2.org sits in the top 10,000

Domain registration

Registered: Apr 17, 2014 (12 years, 5 months ago)
Expires: Apr 17, 2027
Registrar: Squarespace Domains II LLC
Name servers: clyde.ns.cloudflare.com, haley.ns.cloudflare.com
DNSSEC: Not signed

From the registry's public RDAP record, checked Oct 7, 2026.

Technology stack

JavaScript libraries

jQuery

UI frameworks & fonts

Google Fonts

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.

82/100

https://nghttp2.org/

Nghttp2: HTTP/2 C Library - nghttp2.org

Nghttp2: HTTP/2 C Library Feb 16th, 2015 11:16 pm nghttp2 is an implementation of HTTP/2 and its header compression algorithm HPACK in C. The …

15 passed · 6 warnings · 1 failed

Content

✓Title39 characters
✓Meta description143 characters
!H1 heading3 H1 headings — use one
✓Subheadings1 H2 headings
iImage alt textNo images in the served HTML
!Content lengthAbout 195 words in the served HTML

Indexing

✓IndexableNo noindex directive
✓Canonical URL//nghttp2.org
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen
!Structured dataNo JSON-LD or microdata

Social sharing

✕Open GraphMissing
!Twitter / X cardMissing

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
✓FaviconFound
✓Character encodingutf-8

Security headers

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

Server response

Final URL: https://nghttp2.org/
HTTP status: 200
Server: nghttpx
Response time: 2.89 s (first byte 2.89 s, from our scanner in a US data centre)
HTML size: 6.4 KB
Compression: none reported

Sites ranked near nghttp2.org

Rank	Website	Registered	Built with
#6,125	ahagamecenter.com	2018	Nuxt, Vue.js, Google Analytics
#6,126	mp.gov.in	2005	—
#6,127	claro.com.br	1998	Next.js, React, Amazon CloudFront
#6,128	joker.com	1994	Vue.js, Matomo
#6,129	dexscreener.com	2021	Cloudflare
#6,131	xfree.com	2000	Cloudflare
#6,132	micpn.com	2012	Amazon CloudFront
#6,133	jigsawplanet.com	2006	Nginx, Google Tag Manager, Font Awesome
#6,134	cat.com	1993	—
#6,135	uvic.ca	2000	Google Tag Manager, Font Awesome

Questions about nghttp2.org

How popular is nghttp2.org?

nghttp2.org is #6,130 worldwide in the Tranco list published Oct 13, 2026.

How old is nghttp2.org?

nghttp2.org was registered on Apr 17, 2014, which makes the domain 12 years, 5 months old.

What is nghttp2.org built with?

We detected jQuery and Google Fonts on its homepage.

Who is the registrar of nghttp2.org?

Squarespace Domains II LLC, according to the registry's RDAP record.