firefox.com

Live check Visit ↗

firefox.com is ranked #548 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 7 places in four weeks. The domain was registered on Oct 6, 1998, 28 years ago, through MarkMonitor Inc., and is paid up until Oct 5, 2028. It is served through Fastly.

Global rank

#548

▲ 9 this week

Domain age

28 years

since Oct 6, 1998

Technologies

detected on the homepage

SEO score

98/100

homepage checks

Popularity rank

#548 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: #512.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Oct 6, 1998 (28 years ago)
Expires: Oct 5, 2028
Registrar: MarkMonitor Inc.
Name servers: ns1-240.akam.net, ns4-64.akam.net, ns5-65.akam.net, ns7-66.akam.net
DNSSEC: Not signed

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

Technology stack

CDN

Fastly

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.

98/100

https://www.firefox.com/en-US/

Firefox: The fast, private browser that keeps you safe — Firefox.com

The independent browser that has your back. Firefox blocks trackers, has a free built-in VPN, puts you in control of AI, and never sells your personal data.

22 passed · 1 warnings · 0 failed

Content

!Title68 characters — aim for 15–65
✓Meta description156 characters
✓H1 headingExactly one H1
✓Subheadings24 H2 headings
✓Image alt textAll 49 images have alt text
✓Content lengthAbout 1,409 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.firefox.com/en-US/
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-US
ihreflang20 language alternates
✓Structured dataOrganization, Brand, WebSite, WebPage, SoftwareApplication

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-PolicySet
✓Clickjacking protectionSet
✓X-Content-Type-OptionsSet
✓Referrer-PolicySet

Server response

Final URL: https://www.firefox.com/en-US/
HTTP status: 200
Server: granian
Response time: 842 ms (first byte 840 ms, from our scanner in a US data centre)
HTML size: 139 KB
Compression: br

Sites ranked near firefox.com

Rank	Website	Registered	Built with
#543	trendmicro.com	1995	Nginx
#544	squarespace.com	2003	Squarespace
#545	adriver.ru	—	WordPress, Nginx, jQuery
#546	oup.com	1998	WordPress, WP Engine, cdnjs
#547	sberbank.ru	—	—
#549	bitrix24.ru	—	—
#550	visualstudio.com	1997	WordPress, WP Engine, Nginx
#551	ft.com	1994	Cloudflare
#552	wired.com	1992	Amazon CloudFront, Cloudflare, Google Ad Manager
#553	dreamhost.com	1997	Next.js, React, Fly.io

Questions about firefox.com

How popular is firefox.com?

firefox.com is #548 worldwide in the Tranco list published Oct 13, 2026.

How old is firefox.com?

firefox.com was registered on Oct 6, 1998, which makes the domain 28 years old.

What is firefox.com built with?

We detected Fastly on its homepage.

Who is the registrar of firefox.com?

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