mozdev.org
Internet for people, not profit — Mozilla Global
Last scanned Aug 1, 2026, 7:00 PM · 8 views
Overall score
Excellent
Summary
Mozilla is the not-for-profit behind the lightning fast Firefox browser. 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.
Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.
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
230 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 25, 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
- Internet for people, not profit — Mozilla Global
- Description
- Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.
- 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.mozilla.org
- Valid from
- Jun 23, 2026
- Valid to
- Sep 21, 2026
- Days until expiry
- 50
- SAN domains
- www.mozilla.org
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 26 · H3 0
Links
95 internal · 34 external · 20 broken
Images
12 total · 0 missing alt
Scripts / Styles
9 scripts · 3 stylesheets
JS / CSS size
0 B · 0 B
Page size
47.3 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://mozdev.org
- Final URL
- https://www.mozilla.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 230 ms
- HTML size
- 47.3 KB
- Redirect chain
- https://mozdev.org → https://www.mozilla.org/
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does mozdev.org use?
- We did not detect any specific technologies for mozdev.org in the latest scan.
- Is mozdev.org secure (HTTPS)?
- Yes. mozdev.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 21, 2026.
- Who hosts mozdev.org?
- Hosting provider information for mozdev.org is not available yet.
- What is mozdev.org's SEO score?
- mozdev.org scored 75/100 for SEO in the latest analysis (fair).
- What is mozdev.org's overall website score?
- mozdev.org has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Has mozdev.org's score changed over time?
- mozdev.org's overall score has declined by 1 point (from 94 to 93) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card