sleepfoundation.org

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sleepfoundation.org is ranked #5,834 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 120 places in four weeks. The domain was registered on Nov 12, 1996, 29 years, 11 months ago, through GoDaddy.com, LLC, and is paid up until Nov 11, 2026. Its homepage uses WordPress and Google Tag Manager. It is served by Nginx.

Global rank

#5,834

▼ 40 this week

Domain age

29 years

since Nov 12, 1996

Technologies

detected on the homepage

SEO score

91/100

homepage checks

Popularity rank

#5,834 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: #5,316.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Nov 12, 1996 (29 years, 11 months ago)
Expires: Nov 11, 2026
Registrar: GoDaddy.com, LLC
Name servers: karl.ns.cloudflare.com, vida.ns.cloudflare.com
DNSSEC: Not signed

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

Technology stack

CMS & site builders

WordPress

Analytics

Google Tag Manager

Web servers

Nginx

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.

91/100

https://www.sleepfoundation.org/

Sleep Advice and Mattress Reviews | Sleep Foundation

At SleepFoundation.org, we combine decades of experience in sleep health education with comprehensive product testing to help you sleep better.

19 passed · 4 warnings · 0 failed

Content

✓Title52 characters
✓Meta description143 characters
!H1 heading2 H1 headings — use one
✓Subheadings4 H2 headings
✓Image alt textAll 98 images have alt text
✓Content lengthAbout 1,349 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.sleepfoundation.org/
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-US
✓Structured dataWebPage, ImageObject, WebSite, Organization, VideoObject

Social sharing

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

Technical

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

Security headers

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

Server response

Final URL: https://www.sleepfoundation.org/
HTTP status: 200
Server: nginx
Response time: 69 ms (first byte 52 ms, from our scanner in a US data centre)
HTML size: 282 KB
Compression: br

Sites with a similar tech stack

Rank	Website	Built with
#119	bit.ly	WordPress, Nginx, Google Tag Manager
#737	cnet.com	WordPress, Nginx, Google Tag Manager
#1,954	zdnet.com	WordPress, Nginx, Google Tag Manager
#3,624	bitly.com	WordPress, Nginx, Google Tag Manager
#6,458	fas.org	WordPress, Nginx, Google Tag Manager
#6,602	fareharbor.com	WordPress, Nginx, Google Tag Manager

Sites ranked near sleepfoundation.org

Rank	Website	Registered	Built with
#5,829	tvn24.pl	2000	Amazon CloudFront, Varnish, Google Fonts
#5,830	milliyet.com.tr	—	jQuery, Google Tag Manager, Font Awesome
#5,831	liverpool.com.mx	—	—
#5,832	msk.ru	—	Next.js, React, Nginx
#5,833	boingboing.net	1998	WordPress, Cloudflare, jQuery
#5,835	idc.com	1997	WordPress, Nginx, Google Tag Manager
#5,836	crushon.ai	2023	Cloudflare
#5,837	playtika.com	2009	Hugo, cdnjs, Cloudflare
#5,838	streamable.com	2003	Fastly, Google Analytics, Express
#5,839	cdnhwctnm107.com	2022	—

Questions about sleepfoundation.org

How popular is sleepfoundation.org?

sleepfoundation.org is #5,834 worldwide in the Tranco list published Oct 13, 2026.

How old is sleepfoundation.org?

sleepfoundation.org was registered on Nov 12, 1996, which makes the domain 29 years, 11 months old.

What is sleepfoundation.org built with?

We detected WordPress, Google Tag Manager and Nginx on its homepage.

Who is the registrar of sleepfoundation.org?

GoDaddy.com, LLC, according to the registry's RDAP record.