What technology does ads-img.mozilla.org use?

We did not detect any specific technologies for ads-img.mozilla.org in the latest scan.

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?

Hosting provider information for ads-img.mozilla.org is not available yet.

What is ads-img.mozilla.org's SEO score?

ads-img.mozilla.org scored 70/100 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 88/100, combining SEO, performance, security, and accessibility.

Has ads-img.mozilla.org's score changed over time?

ads-img.mozilla.org's overall score has improved by 1 point (from 87 to 88) since Jul 23, 2026.

ads-img.mozilla.org

Advertising — Mozilla

Last scanned Jul 30, 2026, 8:00 PM · 7 views

Overall score

Great

Summary

SEO is fair (70/100) and accessibility is good (85/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

6 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.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
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).
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

4 issue(s) found

100

Performance

264 ms

100

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

+1 overall since Jul 23, 2026

Overall: 88
SEO: 70
Security: 100
Performance: 100
Accessibility: 85

Organization

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

Instagram YouTube Instagram LinkedIn Instagram YouTube

Contact

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

Email: c3ab8514873549d5b3785ebc7fb83c80@o1069899.ingest.sentry.io

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: 52
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 · 20 broken

Images

29 total · 13 missing alt

Scripts / Styles

9 scripts · 3 stylesheets

JS / CSS size

0 B · 0 B

Page size

47.5 KB

Robots.txt & Sitemap

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

SEO issues

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

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: 264 ms
HTML size: 47.5 KB
Redirect chain: https://ads-img.mozilla.org → https://www.mozilla.org/advertising/ → https://www.mozilla.org/en-US/advertising/

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Frequently asked questions

What technology does ads-img.mozilla.org use?: We did not detect any specific technologies for ads-img.mozilla.org in the latest scan.
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?: Hosting provider information for ads-img.mozilla.org is not available yet.
What is ads-img.mozilla.org's SEO score?: ads-img.mozilla.org scored 70/100 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 88/100, combining SEO, performance, security, and accessibility.
Has ads-img.mozilla.org's score changed over time?: ads-img.mozilla.org's overall score has improved by 1 point (from 87 to 88) since Jul 23, 2026.