Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 20.231.239.246 |
| Server Software | GitHub.com |
| CDN | CDN (HIT) |
| Compression | gzip |
|
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 20.231.239.246
Server Software GitHub.com
CDN CDN (HIT)
Compression gzip
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://typescriptlang.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.typescriptlang.org/ | 200 | HTTP/2 200 |
#1 URL https://typescriptlang.org:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.typescriptlang.org/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 22.7 ms |
| TCP Connect | 23.5 ms |
| TLS Handshake | 4 ms |
| Time To First Byte (TTFB) | 29.7 ms |
| Content Download | 2.3 ms |
| Total Response Time | 32 ms |
DNS Lookup 22.7 ms
TCP Connect 23.5 ms
TLS Handshake 4 ms
Time To First Byte (TTFB) 29.7 ms
Content Download 2.3 ms
Total Response Time 32 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31556952; includeSubDomains; preload |
| 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; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Meta Description | TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code. |
| Open Graph Title | JavaScript With Syntax For Types. |
| Open Graph Description | TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code. |
Meta Description TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.
Open Graph Title JavaScript With Syntax For Types.
Open Graph Description TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.
Detected Technologies
| Technology | Angular Google Analytics Node.js Gatsby |
Technology Angular Google Analytics Node.js Gatsby
HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| X-origin-cache
| HIT |
| Last-modified
| Mon, 20 Jul 2026 13:03:05 GMT |
| Access-control-allow-origin
| * |
| Strict-transport-security
| max-age=31556952; includeSubDomains; preload |
| Etag
| W/"6a5e1c89-3f30c" |
| Expires
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| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| HIT |
| X-github-request-id
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| Accept-ranges
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| Date
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| Via
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| Age
| 172 |
| X-served-by
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| X-cache
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| X-cache-hits
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| X-timer
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| X-fastly-request-id
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| Content-length
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Meta Tags
| X-ua-compatible | ie=edge |
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
| Generator | Gatsby 5.16.1 |
| Theme-color | #3178C6 |
| Description | TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code. |
Server GitHub.com
Content-type text/html; charset=utf-8
X-origin-cache HIT
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Access-control-allow-origin *
Strict-transport-security max-age=31556952; includeSubDomains; preload
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