mozillamessaging.com
Thunderbird — Free Your Inbox. — Thunderbird
Last scanned Aug 5, 2026, 2:00 AM · 12 views
Overall score
Great
Summary
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!. This website is hosted on Cloudflare. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance good (75/100). Top issue: No structured data (JSON-LD) found.
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
- United States
- Hosted on Cloudflare
Top issues to fix
5 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
SEO
3 issue(s) found
Performance
1.21 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-4 overall since Jul 27, 2026
- Overall
- 84
- SEO
- 80
- Security
- 85
- Performance
- 75
- 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
- Thunderbird — Free Your Inbox. — Thunderbird
- Description
- Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
- Canonical
- https://www.thunderbird.net/en-US/
- 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
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.66.166.3
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- thunderbird.net
- Valid from
- Jul 21, 2026
- Valid to
- Oct 20, 2026
- Days until expiry
- 75
- SAN domains
- thunderbird.net, *.pi.thunderbird.net, *.thunderbird.net
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 17 · H3 0
Links
12 internal · 34 external · 0 broken
Images
21 total · 0 missing alt
Scripts / Styles
15 scripts · 2 stylesheets
JS / CSS size
2.7 MB · 5.8 KB
Page size
269 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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://mozillamessaging.com
- Final URL
- https://www.thunderbird.net/en-US/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.21 s
- HTML size
- 269 KB
- Redirect chain
- https://mozillamessaging.com → https://www.thunderbird.net/ → https://www.thunderbird.net/en-US/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does mozillamessaging.com use?
- We did not detect any specific technologies for mozillamessaging.com in the latest scan.
- Is mozillamessaging.com secure (HTTPS)?
- Yes. mozillamessaging.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 20, 2026.
- Who hosts mozillamessaging.com?
- mozillamessaging.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is mozillamessaging.com's SEO score?
- mozillamessaging.com scored 80/100 for SEO in the latest analysis (great).
- What is mozillamessaging.com's overall website score?
- mozillamessaging.com has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Has mozillamessaging.com's score changed over time?
- mozillamessaging.com's overall score has declined by 4 points (from 88 to 84) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card