Skip to main content
SGSiteGraph

mozdev.org

Internet for people, not profit — Mozilla Global

Last scanned Jul 25, 2026, 6:25 PM · 2 views

94

Overall score

Excellent

Summary

Mozilla is the not-for-profit behind the lightning fast Firefox browser. This website is hosted on Fastly. SEO is good (80/100) 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.

United States
Hosted on Fastly

Top issues to fix

4 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.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 1 broken link on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

80

SEO

3 issue(s) found

100

Performance

525 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

InstagramLinkedInInstagramYouTube

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

OpenGraph & Twitter Card

OpenGraph

og:title
Internet for people, not profit
og:description
Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.
og:type
website
og:url
https://www.mozilla.org/en-US/

Twitter Card

twitter:card
summary
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.195.19
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.195.19
  • 151.101.67.19
  • 151.101.3.19
  • 151.101.131.19
AAAA
  • 2a04:4e42::787
  • 2a04:4e42:600::787
  • 2a04:4e42:400::787
  • 2a04:4e42:200::787
MX—
TXT—
NS—
CAA—
CNAME
  • www-mozilla.fastly-edge.com
IPv6 supportYes

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
57
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 · 1 broken

Images

12 total · 0 missing alt

Scripts / Styles

9 scripts · 3 stylesheets

JS / CSS size

122 KB · 103 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

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

Accessibility issues

No accessibility issues detected.

Careers

View careers page

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://mozdev.org
Final URL
https://www.mozilla.org/
HTTP status
200
HTTP version
HTTP/2
Response time
525 ms
HTML size
47.3 KB
Redirect chain
https://mozdev.org → https://www.mozilla.org/

See something wrong on this report? Request a correction

Related websites

Same hosting provider

literams.com

Litera | Legal Technology Solutions

100
nginxdrupal
Fastly· Fastly

showare.com

Live Entertainment & Venues Ticketing & POS | accesso

100
wordpressjquerybootstrap
Fastly· Cloudflare

foresee.com

Predictive Analytics for Customer Experience | Verint

100
wordpressnginxjquery
Fastly· Fastly

voicemod.net

Free Real Time Voice Changer for PC & Mac | Voicemod

100
wordpressapachejquery
Fastly· Fastly

researchandmarkets.com

Research and Markets - Market Research Reports - Welcome

100
Fastly· Fastly

hallensteins.co.nz

Hallensteins | Menswear NZ

100
nginxphpjquery
Fastly· Fastly

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?
mozdev.org is hosted on Fastly, behind Fastly CDN.
What is mozdev.org's SEO score?
mozdev.org scored 80/100 for SEO in the latest analysis (great).
What is mozdev.org's overall website score?
mozdev.org has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
Is mozdev.org hiring?
mozdev.org has a careers page; check it directly for current openings.