Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 13.227.231.30 |
| Server Software | AmazonS3 |
| CDN | CDN (Hit from cloudfront) |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 13.227.231.30
Server Software AmazonS3
CDN CDN (Hit from cloudfront)
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 8.3 ms |
| TCP Connect | 9.5 ms |
| TLS Handshake | 7.8 ms |
| Time To First Byte (TTFB) | 20.6 ms |
| Content Download | 4.8 ms |
| Total Response Time | 25.4 ms |
DNS Lookup 8.3 ms
TCP Connect 9.5 ms
TLS Handshake 7.8 ms
Time To First Byte (TTFB) 20.6 ms
Content Download 4.8 ms
Total Response Time 25.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=2678400; includeSubDomains |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=2678400; includeSubDomains
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Antithesis |
| Meta Description | Antithesis is an autonomous software testing platform that finds the bugs others miss. |
| Canonical | https://antithesis.com/ |
| Open Graph Title | Antithesis |
| Open Graph Description | Antithesis is an autonomous software testing platform that finds the bugs others miss. |
| Open Graph Image | https://antithesis.com/_astro/og-default.y5LYasQU_2uXgUA.jpg |
| Twitter Card | summary_large_image |
| Twitter Title | Antithesis |
| Twitter Description | Antithesis is an autonomous software testing platform that finds the bugs others miss. |
| Twitter Image | https://antithesis.com/_astro/og-default.y5LYasQU_2uXgUA.jpg |
Title Antithesis Meta Description Antithesis is an autonomous software testing platform that finds the bugs others miss. Canonical https://antithesis.com/ Open Graph Title Antithesis Open Graph Description Antithesis is an autonomous software testing platform that finds the bugs others miss. Open Graph Image https://antithesis.com/_astro/og-default.y5LYasQU_2uXgUA.jpg Twitter Card summary_large_image Twitter Title Antithesis Twitter Description Antithesis is an autonomous software testing platform that finds the bugs others miss. Twitter Image https://antithesis.com/_astro/og-default.y5LYasQU_2uXgUA.jpg Detected Technologies
| Technology | Google Analytics Google Tag Manager Node.js |
Technology Google Analytics Google Tag Manager Node.js
HTTP Headers
| Content-type
| text/html |
| Content-encoding
| gzip |
| Date
| Thu, 20 Aug 2026 02:53:14 GMT |
| Server
| AmazonS3 |
| Last-modified
| Tue, 18 Aug 2026 20:37:14 GMT |
| X-amz-server-side-encryption
| AES256 |
| X-amz-version-id
| YM8EAwglkKSYVfjCyylUAywutWR6vFhx |
| Etag
| W/"003284dd227ad1d64c733bcfffe29f08" |
| Vary
| Accept-Encoding |
| X-cache
| Hit from cloudfront |
| Via
| 1.1 2bff6c0c3a0a59a70938b32e4d7a601c.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG50-P5 |
| X-amz-cf-id
| EoY8r1z6F9BXmzzQJ4et3kutjJ2JdKX87piceDzVHoL6H6GEXN7FrA== |
| Age
| 27076 |
| X-frame-options
| SAMEORIGIN |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-content-type-options
| nosniff |
| Strict-transport-security
| max-age=2678400; includeSubDomains |
| Permissions-policy
| microphone=(), geolocation=() |
Meta Tags
| Viewport | width=device-width,initial-scale=1 |
| Generator | Astro v6.4.0 |
| Description | Antithesis is an autonomous software testing platform that finds the bugs others miss. |
| Mobile-web-app-capable | yes |
| Theme-color | #16031b |
| Application-name | Antithesis |
| Apple-mobile-web-app-capable | yes |
| Apple-mobile-web-app-status-bar-style | black-translucent |
| Apple-mobile-web-app-title | Antithesis |
| Msapplication-TileColor | #16031b |
| Msapplication-TileImage |  |
| Msapplication-config | /browserconfig.xml |
Content-type text/html
Content-encoding gzip
Date Thu, 20 Aug 2026 02:53:14 GMT
Server AmazonS3
Last-modified Tue, 18 Aug 2026 20:37:14 GMT
X-amz-server-side-encryption AES256
X-amz-version-id YM8EAwglkKSYVfjCyylUAywutWR6vFhx
Etag W/"003284dd227ad1d64c733bcfffe29f08"
Vary Accept-Encoding
X-cache Hit from cloudfront
Via 1.1 2bff6c0c3a0a59a70938b32e4d7a601c.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P5
X-amz-cf-id EoY8r1z6F9BXmzzQJ4et3kutjJ2JdKX87piceDzVHoL6H6GEXN7FrA==
Age 27076
X-frame-options SAMEORIGIN
Referrer-policy strict-origin-when-cross-origin
X-content-type-options nosniff
Strict-transport-security max-age=2678400; includeSubDomains
Permissions-policy microphone=(), geolocation=()
