Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 188.114.97.2 |
| Server Software | GitHub.com |
| CDN | CDN (MISS) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 188.114.97.2
Server Software GitHub.com
CDN CDN (MISS)
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://www.fastify.io:443 | 301 | HTTP/2 301 |
| 2 | https://fastify.dev/ | 200 | HTTP/2 200 |
#1 URL https://www.fastify.io:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://fastify.dev/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 13.8 ms |
| TCP Connect | 14.6 ms |
| TLS Handshake | 7.9 ms |
| Time To First Byte (TTFB) | 144.8 ms |
| Content Download | 0.6 ms |
| Total Response Time | 145.4 ms |
DNS Lookup 13.8 ms
TCP Connect 14.6 ms
TLS Handshake 7.9 ms
Time To First Byte (TTFB) 144.8 ms
Content Download 0.6 ms
Total Response Time 145.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31556952 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31556952
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Meta Description | Fast and low overhead web framework, for Node.js |
| Canonical | https://fastify.io/ |
| Open Graph Title | Fast and low overhead web framework, for Node.js | Fastify |
| Open Graph Description | Fast and low overhead web framework, for Node.js |
| Open Graph Image | https://fastify.dev/img/logos/fastify-black.svg |
| Twitter Card | summary_large_image |
| Twitter Title | Fastify - Fast and Low Overhead Web Framework |
| Twitter Description | Fastify is a fast and low overhead web framework for Node.js. |
| Twitter Image | https://fastify.dev/img/logos/fastify-black.svg |
Meta Description Fast and low overhead web framework, for Node.js Canonical https://fastify.io/ Open Graph Title Fast and low overhead web framework, for Node.js | Fastify Open Graph Description Fast and low overhead web framework, for Node.js Open Graph Image https://fastify.dev/img/logos/fastify-black.svg Twitter Card summary_large_image Twitter Title Fastify - Fast and Low Overhead Web Framework Twitter Description Fastify is a fast and low overhead web framework for Node.js. Twitter Image https://fastify.dev/img/logos/fastify-black.svg Detected Technologies
| Technology | Google Analytics Node.js |
Technology Google Analytics Node.js
HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| X-origin-cache
| HIT |
| Last-modified
| Tue, 21 Jul 2026 15:42:44 GMT |
| Access-control-allow-origin
| * |
| Strict-transport-security
| max-age=31556952 |
| Etag
| W/"6a5f9374-2dd61" |
| Expires
| Tue, 21 Jul 2026 17:25:02 GMT |
| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| MISS |
| X-github-request-id
| 0D10:3D0EF8:15F50C8:164306F:6A5FA915 |
| Accept-ranges
| bytes |
| Age
| 0 |
| Date
| Tue, 21 Jul 2026 17:15:02 GMT |
| Via
| 1.1 varnish |
| X-served-by
| cache-par-lfpg1960056-PAR |
| X-cache
| MISS |
| X-cache-hits
| 0 |
| X-timer
| S1784654102.353626,VS0,VE120 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| e656317316ca83e03dbeb85003f97f499e7ea2ec |
| Content-length
| 15113 |
Meta Tags
| Generator | Docusaurus v3.10.1 |
| Viewport | width=device-width,initial-scale=1 |
| Docusaurus_locale | en |
| Docusaurus_tag | default |
| Docsearch:language | en |
| Docsearch:docusaurus_tag | default |
| Telegram:title | Fastify - Fast and Low Overhead Web Framework |
| Telegram:description | Fastify is a fast and low overhead web framework for Node.js. |
| Telegram:image |  |
| Description | Fast and low overhead web framework, for Node.js |
Server GitHub.com
Content-type text/html; charset=utf-8
X-origin-cache HIT
Last-modified Tue, 21 Jul 2026 15:42:44 GMT
Access-control-allow-origin *
Strict-transport-security max-age=31556952
Etag W/"6a5f9374-2dd61"
Expires Tue, 21 Jul 2026 17:25:02 GMT
Cache-control max-age=600
Content-encoding gzip
X-proxy-cache MISS
X-github-request-id 0D10:3D0EF8:15F50C8:164306F:6A5FA915
Accept-ranges bytes
Age 0
Date Tue, 21 Jul 2026 17:15:02 GMT
Via 1.1 varnish
X-served-by cache-par-lfpg1960056-PAR
X-cache MISS
X-cache-hits 0
X-timer S1784654102.353626,VS0,VE120
Vary Accept-Encoding
X-fastly-request-id e656317316ca83e03dbeb85003f97f499e7ea2ec
Content-length 15113
