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SGSiteGraph

ads-img.mozilla.org

Advertising — Mozilla

Last scanned Jul 23, 2026, 12:53 PM

87

Overall score

Great

Summary

This website uses Google Analytics hosted on Fastly behind Fastly CDN. SEO is good (75/100) and accessibility is good (85/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing meta description.

United States
Hosted on Fastly

Top issues to fix

5 issues found · 1 high priority

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • 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.

  • More than 20% of images are missing alt text

    Accessibility

    Add alt attributes to the remaining images (use alt="" for purely decorative ones).

  • 1 broken link on the page

    SEO

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

75

SEO

3 issue(s) found

90

Performance

1.94 s

100

Security

HTTPS & header checks

85

Accessibility

1 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.

InstagramYouTubeInstagramLinkedInInstagramYouTube

Contact

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

Meta tags

Title
Advertising — Mozilla
Description
Canonical
https://www.mozilla.org/en-US/advertising/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Advertising
og:description
—
og:type
website
og:url
https://www.mozilla.org/en-US/advertising/

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

Google Analytics

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.131.19
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.131.19
  • 151.101.195.19
  • 151.101.67.19
  • 151.101.3.19
AAAA
  • 2a04:4e42:200::787
  • 2a04:4e42:400::787
  • 2a04:4e42::787
  • 2a04:4e42:600::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
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 30 · H3 3

Links

22 internal · 38 external · 1 broken

Images

29 total · 13 missing alt

Scripts / Styles

11 scripts · 3 stylesheets

JS / CSS size

122 KB · 143 KB

Page size

47.5 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • No structured data (JSON-LD) found
  • sitemap.xml not found

Accessibility issues

  • More than 20% of images are missing alt text

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://ads-img.mozilla.org
Final URL
https://www.mozilla.org/en-US/advertising/
HTTP status
200
HTTP version
HTTP/2
Response time
1.94 s
HTML size
47.5 KB
Redirect chain
https://ads-img.mozilla.org → https://www.mozilla.org/advertising/ → https://www.mozilla.org/en-US/advertising/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does ads-img.mozilla.org use?
ads-img.mozilla.org is built with Google Analytics.
Is ads-img.mozilla.org secure (HTTPS)?
Yes. ads-img.mozilla.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 21, 2026.
Who hosts ads-img.mozilla.org?
ads-img.mozilla.org is hosted on Fastly, behind Fastly CDN.
What is ads-img.mozilla.org's SEO score?
ads-img.mozilla.org scored 75/100 for SEO in the latest analysis (fair).
What is ads-img.mozilla.org's overall website score?
ads-img.mozilla.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
Is ads-img.mozilla.org hiring?
ads-img.mozilla.org has a careers page; check it directly for current openings.