download.mozilla.org
Mozilla - Internet for people, not profit (US)
Last scanned Jul 23, 2026, 12:53 PM
Overall score
Excellent
Summary
We’re working to put control of the internet back in the hands of the people using it. This website uses Google Analytics hosted on Fastly behind Fastly CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
We’re working to put control of the internet back in the hands of the people using it.
- United States
- Hosted on Fastly
Top issues to fix
3 issues found
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
228 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
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
- Mozilla - Internet for people, not profit (US)
- Description
- We’re working to put control of the internet back in the hands of the people using it.
- Canonical
- https://www.mozilla.org/en-US/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
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
- 59
- 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 31 · H3 12
Links
19 internal · 61 external · 1 broken
Images
23 total · 0 missing alt
Scripts / Styles
13 scripts · 5 stylesheets
JS / CSS size
128 KB · 126 KB
Page size
47.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://download.mozilla.org
- Final URL
- https://www.mozilla.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 228 ms
- HTML size
- 47.3 KB
- Redirect chain
- https://download.mozilla.org → https://www.mozilla.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does download.mozilla.org use?
- download.mozilla.org is built with Google Analytics.
- Is download.mozilla.org secure (HTTPS)?
- Yes. download.mozilla.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 21, 2026.
- Who hosts download.mozilla.org?
- download.mozilla.org is hosted on Fastly, behind Fastly CDN.
- What is download.mozilla.org's SEO score?
- download.mozilla.org scored 85/100 for SEO in the latest analysis (great).
- What is download.mozilla.org's overall website score?
- download.mozilla.org has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
- Is download.mozilla.org hiring?
- download.mozilla.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card