What technology does mozilla.com use?

We did not detect any specific technologies for mozilla.com in the latest scan.

Is mozilla.com secure (HTTPS)?

Yes. mozilla.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 6, 2026.

Who hosts mozilla.com?

Hosting provider information for mozilla.com is not available yet.

What is mozilla.com's SEO score?

mozilla.com scored 75/100 for SEO in the latest analysis (fair).

What is mozilla.com's overall website score?

mozilla.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.

Has mozilla.com's score changed over time?

mozilla.com's overall score has declined by 6 points (from 99 to 93) since Jul 15, 2026.

mozilla.com

Get Firefox for desktop and mobile — Firefox.com

Last scanned Jul 29, 2026, 11:00 AM · 50 views

Overall score

Excellent

Summary

Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing canonical link.

Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.

Top issues to fix

5 issues found

Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

4 issue(s) found

100

Performance

252 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-6 overall since Jul 15, 2026

Overall: 93
SEO: 75
Security: 100
Performance: 100
Accessibility: 100

Organization

Company details published in this site's own structured data.

Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.

YouTube Instagram YouTube

Contact

Email, phone, and address published on this site's own pages.

Email: bbb4b8f5275e68de10cfe61262ebc3d2@o1069899.ingest.us.sentry.io

Meta tags

Title: Get Firefox for desktop and mobile — Firefox.com
Description: Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.
Canonical
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: Fastly
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: www.firefox.com
Valid from: Jun 8, 2026
Valid to: Sep 6, 2026
Days until expiry: 39
SAN domains: www.firefox.com, www.prod.springfield.moz.works

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 8 · H3 6

Links

105 internal · 26 external · 20 broken

Images

3 total · 0 missing alt

Scripts / Styles

10 scripts · 2 stylesheets

JS / CSS size

0 B · 0 B

Page size

45.7 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing canonical link
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://mozilla.com
Final URL: https://www.firefox.com/
HTTP status: 200
HTTP version: HTTP/2
Response time: 252 ms
HTML size: 45.7 KB
Redirect chain: https://mozilla.com → https://www.mozilla.org/firefox → https://www.firefox.com/

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Frequently asked questions

What technology does mozilla.com use?: We did not detect any specific technologies for mozilla.com in the latest scan.
Is mozilla.com secure (HTTPS)?: Yes. mozilla.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 6, 2026.
Who hosts mozilla.com?: Hosting provider information for mozilla.com is not available yet.
What is mozilla.com's SEO score?: mozilla.com scored 75/100 for SEO in the latest analysis (fair).
What is mozilla.com's overall website score?: mozilla.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
Has mozilla.com's score changed over time?: mozilla.com's overall score has declined by 6 points (from 99 to 93) since Jul 15, 2026.