sciencealert.com
sciencealert.com is ranked #5,627 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 28 places in four weeks. The domain was registered on Aug 17, 2004, 22 years, 1 month ago, through Cloudflare, Inc., and is paid up until Aug 17, 2029. Its homepage uses jQuery, WordPress, Google Analytics, Google Tag Manager, Microsoft Clarity and Taboola. It is served through Cloudflare and Kinsta.
Popularity rank
#5,627 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: #3,463.
Domain registration
- Registered
- Aug 17, 2004 (22 years, 1 month ago)
- Expires
- Aug 17, 2029
- Registrar
- Cloudflare, Inc.
- Name servers
isla.ns.cloudflare.com,zahir.ns.cloudflare.com- DNSSEC
- Not signed
From the registry's public RDAP record, checked Oct 1, 2026.
Technology stack
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.
19 passed · 3 warnings · 1 failed
Content
- ✓Title65 characters
- ✓Meta description130 characters
- ✕H1 headingMissing in the served HTML
- !SubheadingsNo H2 headings in the served HTML
- ✓Image alt textAll 17 images have alt text
- ✓Content lengthAbout 476 words
Indexing
- ✓IndexableNo noindex directive
- ✓Canonical URLhttps://www.sciencealert.com/
- ✓robots.txtFound
- ✓XML sitemapFound
- ✓Language attributeen-US
- ✓Structured dataCollectionPage, BreadcrumbList, WebSite, Organization
Social sharing
- !Open Graph2 of 3 key tags 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 protectionSet
- ✓X-Content-Type-OptionsSet
- ✓Referrer-PolicySet
Server response
- Final URL
https://www.sciencealert.com/- HTTP status
- 200
- Server
cloudflare- Response time
- 1.89 s (first byte 1.87 s, from our scanner in a US data centre)
- HTML size
- 194 KB
- Compression
- br
Sites with a similar tech stack
| Rank | Website |
|---|---|
| #5,946 | funplus.com |
| #1,639 | tupi.fm |
| #7,391 | illumin.com |
| #8,217 | syndigo.com |
| #9,193 | ecoportal.net |
Sites ranked near sciencealert.com
| Rank | Website | Registered |
|---|---|---|
| #5,622 | sankei.com | 1997 |
| #5,623 | zetaglobal.net | 2016 |
| #5,624 | withbuddies.com | 2011 |
| #5,625 | tistory.com | 2005 |
| #5,626 | 3m.com | 1988 |
| #5,628 | digitalcaramel.com | 2017 |
| #5,629 | lu.se | — |
| #5,630 | wolframalpha.com | 2008 |
| #5,631 | arubainstanton.com | 2019 |
| #5,632 | sony.net | 2000 |
Questions about sciencealert.com
How popular is sciencealert.com?
sciencealert.com is #5,627 worldwide in the Tranco list published Oct 13, 2026.
How old is sciencealert.com?
sciencealert.com was registered on Aug 17, 2004, which makes the domain 22 years, 1 month old.
What is sciencealert.com built with?
We detected jQuery, WordPress, Google Analytics, Google Tag Manager, Microsoft Clarity, Taboola, Cloudflare and Kinsta on its homepage.
Who is the registrar of sciencealert.com?
Cloudflare, Inc., according to the registry's RDAP record.