joinmastodon.org
Mastodon - Decentralized social media
Last scanned Jul 31, 2026, 8:00 PM · 9 views
Overall score
Great
Summary
This website uses Next.js behind Fastly CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
6 issues found · 1 high priority
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
5 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 24, 2026
- Overall
- 89
- SEO
- 70
- Security
- 90
- Performance
- 100
- 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
- Mastodon - Decentralized social media
- Description
- Canonical
- https://joinmastodon.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
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
- joinmastodon.org
- Valid from
- Jun 25, 2026
- Valid to
- Sep 23, 2026
- Days until expiry
- 53
- SAN domains
- api.joinmastodon.org, joinmastodon.org, proxy.joinmastodon.org, www.joinmastodon.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 6
Links
61 internal · 38 external · 20 broken
Images
65 total · 0 missing alt
Scripts / Styles
18 scripts · 2 stylesheets
JS / CSS size
487 B · 0 B
Page size
122 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
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://joinmastodon.org
- Final URL
- https://joinmastodon.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 3 ms
- HTML size
- 122 KB
- Redirect chain
- https://joinmastodon.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does joinmastodon.org use?
- joinmastodon.org is built with Next.js.
- Is joinmastodon.org secure (HTTPS)?
- Yes. joinmastodon.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 23, 2026.
- Who hosts joinmastodon.org?
- Hosting provider information for joinmastodon.org is not available yet.
- What is joinmastodon.org's SEO score?
- joinmastodon.org scored 70/100 for SEO in the latest analysis (fair).
- What is joinmastodon.org's overall website score?
- joinmastodon.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Has joinmastodon.org's score changed over time?
- joinmastodon.org's overall score has stayed steady at 89/100 since Jul 24, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card