mastodon.social Tech Stack

Live first-party scan of mastodon.social's tech stack. 6 technologies detected across 6 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Last change: Apr 9, 2026 - mastodon.social added Fastly. Scan timestamp: Jun 7, 2026.

HTTP 200 Last analyzed: Jun 7, 2026

Infrastructure Layer

Invisible to browser extensions — detected via DNS & TLS

Fastly

CDN
DNS

Let's Encrypt

SSL/TLS certificate authority
TLS

CDN

Fastly

CDN
DNS

Caching

Varnish

Caching
HTTP
cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*

Message boards

Mastodon

Message boards
HTTP

Miscellaneous

HTTP/3

Miscellaneous
HTTP

SSL/TLS certificate authority

Let's Encrypt

SSL/TLS certificate authority
TLS

Security

Tech Stack Changes

Apr 9, 2026 Added Fastly (CDN)
Apr 9, 2026 Added Mastodon (Message boards)

Compare mastodon.social's Stack

How was this detected?

For mastodon.social, DetectZeStack identified 6 technologies: 4 via HTTP fingerprinting, 1 via TLS handshake, and 1 via DNS records.

Detection runs four independent layers in parallel: HTTP response headers, TLS handshake metadata, certificate issuer inspection, and DNS record lookups. The breakdown above shows which layers fired for this specific domain — some sites carry most of their fingerprint in HTTP, others rely heavily on infrastructure (DNS/TLS).

How mastodon.social compares

Symmetric diff between mastodon.social and similar sites detected on DetectZeStack.

vs brand.co — 3 shared, 3 unique here, 4 unique there

Only on mastodon.social: Let's Encrypt, Mastodon, HSTS

Only on brand.co: GitHub Pages, Google Analytics, Klaviyo, jQuery

View brand.co's full stack →

vs www.kowalskis.com — 4 shared, 2 unique here, 4 unique there

Only on mastodon.social: Let's Encrypt, Mastodon

Only on www.kowalskis.com: Drupal, MariaDB, Unpkg, Google Tag Manager

View www.kowalskis.com's full stack →

vs playwright.dev — 4 shared, 2 unique here, 4 unique there

Only on mastodon.social: HTTP/3, Mastodon

Only on playwright.dev: Webpack, Docusaurus, GitHub Pages, React

View playwright.dev's full stack →

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What technologies does mastodon.social use?

mastodon.social uses 6 technologies across 6 categories. The full breakdown is listed above, organized by function. Each technology was identified through analysis of HTTP headers, DNS records, TLS certificates, and HTML content.

What CDN does mastodon.social use?

mastodon.social uses Fastly for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.

How is mastodon.social's tech stack detected?

DetectZeStack identifies technologies on mastodon.social through multiple detection methods: HTTP response header analysis, HTML and JavaScript content scanning, DNS record lookups, and TLS certificate inspection. This multi-layered approach catches technologies that single-method tools miss.

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