Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 167.99.21.118 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
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 167.99.21.118
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
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://pypa.io:443 | 301 | HTTP/2 301 |
| 2 | https://www.pypa.io/ | 302 | HTTP/2 302 |
| 3 | https://www.pypa.io/en/latest/ | 200 | HTTP/2 200 |
#1 URL https://pypa.io:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.pypa.io/
HTTP Status Code 302
Status HTTP/2 302
#3 URL https://www.pypa.io/en/latest/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 4.1 ms |
| TCP Connect | 5.4 ms |
| TLS Handshake | 9.7 ms |
| Time To First Byte (TTFB) | 42.6 ms |
| Content Download | 0.1 ms |
| Total Response Time | 42.8 ms |
DNS Lookup 4.1 ms
TCP Connect 5.4 ms
TLS Handshake 9.7 ms
Time To First Byte (TTFB) 42.6 ms
Content Download 0.1 ms
Total Response Time 42.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | no-referrer-when-downgrade |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
Referrer Policy no-referrer-when-downgrade
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Python Packaging Authority — PyPA documentation |
Title Python Packaging Authority — PyPA documentation
Detected Technologies
| Technology | Google Analytics Cloudflare Nginx |
Technology Google Analytics Cloudflare Nginx
HTTP Headers
| Date
| Thu, 23 Jul 2026 12:53:02 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cf-ray
| a1fad3634f47f0cf-CDG |
| Cf-cache-status
| HIT |
| Access-control-allow-origin
| * |
| Age
| 5026 |
| Cache-control
| max-age=1200 |
| Content-encoding
| gzip |
| Etag
| "e9450ea7cecd3619d1e47f187df77116" |
| Last-modified
| Mon, 31 Jul 2023 18:51:39 GMT |
| Server
| cloudflare |
| Vary
| Accept-Encoding |
| Access-control-allow-methods
| HEAD, OPTIONS, GET |
| Cdn-cache-control
| public |
| Cross-origin-opener-policy
| same-origin |
| Referrer-policy
| no-referrer-when-downgrade |
| X-amz-id-2
| xAokqByqezEi6PmG3n6AxweIOIxbitqJacdAN36F9H8BVP46y0JhI3+/mOJob6RSime5JyjJyBPRkdy39IWuKMs+kHkqTJjt |
| X-amz-meta-mtime
| 1690829494.804496095 |
| X-amz-request-id
| J15K1FZJJRKA8EK8 |
| X-amz-server-side-encryption
| AES256 |
| X-backend
| web-i-0fa94fddc768ca7aa |
| X-content-type-options
| nosniff |
| X-rtd-domain
| www.pypa.io |
| X-rtd-force-addons
| true |
| X-rtd-path
| /proxito/html/pypaio/latest/index.html |
| X-rtd-project
| pypaio |
| X-rtd-project-method
| custom_domain |
| X-rtd-resolver-filename
| / |
| X-rtd-version
| latest |
| X-rtd-version-method
| path |
| X-served
| Nginx-Proxito-Sendfile |
| Set-cookie
| __cf_bm=vGB581wGVH_Y5SySqE3NhAZ.09Ou8kWmXiDXhXz35Qw-1784811182.6030364-1.0.1.1-6L7yHHDuOdfEmskRBJ5o4N79iLHVnJSDePVdNWpIHhAF42KdbodCtebNQ47gvhnFy2dKSs0HOYxTVlEayQ4.Et6Wse7ZljUhntoSqz6l84KzsNt7_iRPF5aq.5Daiqvw; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.pypa.io; Expires=Thu, 23 Jul 2026 13:23:02 GMT |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
| Generator | Docutils 0.19: https://docutils.sourceforge.io/ |
| Readthedocs-project-slug | pypaio |
| Readthedocs-version-slug | latest |
| Readthedocs-resolver-filename | / |
| Readthedocs-http-status | 200 |
Date Thu, 23 Jul 2026 12:53:02 GMT
Content-type text/html; charset=utf-8
Cf-ray a1fad3634f47f0cf-CDG
Cf-cache-status HIT
Access-control-allow-origin *
Age 5026
Cache-control max-age=1200
Content-encoding gzip
Etag "e9450ea7cecd3619d1e47f187df77116"
Last-modified Mon, 31 Jul 2023 18:51:39 GMT
Server cloudflare
Vary Accept-Encoding
Access-control-allow-methods HEAD, OPTIONS, GET
Cdn-cache-control public
Cross-origin-opener-policy same-origin
Referrer-policy no-referrer-when-downgrade
X-amz-id-2 xAokqByqezEi6PmG3n6AxweIOIxbitqJacdAN36F9H8BVP46y0JhI3+/mOJob6RSime5JyjJyBPRkdy39IWuKMs+kHkqTJjt
X-amz-meta-mtime 1690829494.804496095
X-amz-request-id J15K1FZJJRKA8EK8
X-amz-server-side-encryption AES256
X-backend web-i-0fa94fddc768ca7aa
X-content-type-options nosniff
X-rtd-domain www.pypa.io
X-rtd-force-addons true
X-rtd-path /proxito/html/pypaio/latest/index.html
X-rtd-project pypaio
X-rtd-project-method custom_domain
X-rtd-resolver-filename /
X-rtd-version latest
X-rtd-version-method path
X-served Nginx-Proxito-Sendfile
Set-cookie __cf_bm=vGB581wGVH_Y5SySqE3NhAZ.09Ou8kWmXiDXhXz35Qw-1784811182.6030364-1.0.1.1-6L7yHHDuOdfEmskRBJ5o4N79iLHVnJSDePVdNWpIHhAF42KdbodCtebNQ47gvhnFy2dKSs0HOYxTVlEayQ4.Et6Wse7ZljUhntoSqz6l84KzsNt7_iRPF5aq.5Daiqvw; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.pypa.io; Expires=Thu, 23 Jul 2026 13:23:02 GMT
Alt-svc h3=":443"; ma=86400