signal.org

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signal.org is ranked #2,341 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 22 places in four weeks. The domain was registered on Apr 15, 2001, 25 years, 5 months ago, through MarkMonitor Inc., and is paid up until Apr 15, 2028. Its homepage uses jQuery. It is served through Cloudflare.

Global rank

#2,341

▲ 3 this week

Domain age

25 years

since Apr 15, 2001

Technologies

detected on the homepage

SEO score

74/100

homepage checks

Popularity rank

#2,341 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: #1,058.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Apr 15, 2001 (25 years, 5 months ago)
Expires: Apr 15, 2028
Registrar: MarkMonitor Inc.
Name servers: casey.ns.cloudflare.com, zita.ns.cloudflare.com
DNSSEC: Signed

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

Technology stack

JavaScript libraries

jQuery 3.7.1

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.

74/100

https://signal.org/

Signal >> Home

(no meta description)

13 passed · 8 warnings · 2 failed

Content

!Title14 characters — aim for 15–65
✕Meta descriptionMissing
✓H1 headingExactly one H1
✓Subheadings4 H2 headings
✕Image alt text10 of 10 images have no alt text
✓Content lengthAbout 485 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
!robots.txtNot found
!XML sitemapNot found
✓Language attributeen
ihreflang67 language alternates
!Structured dataNo JSON-LD or microdata

Social sharing

✓Open GraphTitle, description and image set
✓Twitter / X cardapp

Technical

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

Security headers

!Strict-Transport-SecurityNot set
!Content-Security-PolicyNot set
!Clickjacking protectionNot set
✓X-Content-Type-OptionsSet
✓Referrer-PolicySet

Server response

Final URL: https://signal.org/
HTTP status: 200
Server: cloudflare
Response time: 83 ms (first byte 83 ms, from our scanner in a US data centre)
HTML size: 22 KB
Compression: gzip

Sites ranked near signal.org

Rank	Website	Registered	Built with
#2,336	verkada.com	2015	Next.js, React, Vercel
#2,337	generatepress.com	2014	WordPress, Cloudflare, jQuery
#2,338	bixbyllm.com	2023	—
#2,339	gos-gsp.io	2019	—
#2,340	secu100.net	2012	Nginx
#2,342	tdnsv5.com	2018	—
#2,343	sendbird.com	2013	Nuxt, Vue.js, Netlify
#2,344	feishu.cn	—	Google Tag Manager, Intercom, Zendesk
#2,345	garena.com	2000	—
#2,346	vinted.com	1999	Next.js, React, Cloudflare

Questions about signal.org

How popular is signal.org?

signal.org is #2,341 worldwide in the Tranco list published Oct 13, 2026.

How old is signal.org?

signal.org was registered on Apr 15, 2001, which makes the domain 25 years, 5 months old.

What is signal.org built with?

We detected jQuery and Cloudflare on its homepage.

Who is the registrar of signal.org?

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