firefox.com
Get Firefox for desktop and mobile — Firefox.com
Last scanned Jul 29, 2026, 11:00 AM · 15 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
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
235 ms
Security
HTTPS & header checks
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.
Contact
Email, phone, and address published on this site's own pages.
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
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://firefox.com
- Final URL
- https://www.firefox.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 235 ms
- HTML size
- 45.7 KB
- Redirect chain
- https://firefox.com → https://www.firefox.com/
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does firefox.com use?
- We did not detect any specific technologies for firefox.com in the latest scan.
- Is firefox.com secure (HTTPS)?
- Yes. firefox.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 6, 2026.
- Who hosts firefox.com?
- Hosting provider information for firefox.com is not available yet.
- What is firefox.com's SEO score?
- firefox.com scored 75/100 for SEO in the latest analysis (fair).
- What is firefox.com's overall website score?
- firefox.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Has firefox.com's score changed over time?
- firefox.com's overall score has declined by 6 points (from 99 to 93) since Jul 15, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card