Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 151.101.1.55 |
| Server Software | Combust/Plack (Perl) |
| CDN | CDN (HIT, HIT) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (10 HTTP resources) | The page is served over HTTPS but loads 10 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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 151.101.1.55
Server Software Combust/Plack (Perl)
CDN CDN (HIT, HIT)
Compression gzip
🔒 🟡 Mixed Content (10 HTTP resources) The page is served over HTTPS but loads 10 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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://perl.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.perl.org/ | 200 | HTTP/2 200 |
#1 URL https://perl.org:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.perl.org/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 453.3 ms |
| TCP Connect | 454.5 ms |
| TLS Handshake | 13 ms |
| Time To First Byte (TTFB) | 472.4 ms |
| Content Download | 0.1 ms |
| Total Response Time | 472.6 ms |
DNS Lookup 453.3 ms
TCP Connect 454.5 ms
TLS Handshake 13 ms
Time To First Byte (TTFB) 472.4 ms
Content Download 0.1 ms
Total Response Time 472.6 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=63072000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ deny |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=63072000; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ✔ deny
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | The Perl Programming Language - www.perl.org |
| Meta Description | The Perl Programming Language at Perl.org. Links and other helpful resources for new and experienced Perl programmers. |
| Canonical | https://www.perl.org/ |
Title The Perl Programming Language - www.perl.org
Meta Description The Perl Programming Language at Perl.org. Links and other helpful resources for new and experienced Perl programmers.
Canonical https://www.perl.org/
Detected Technologies
| Technology | Bootstrap Google Analytics Google Tag Manager |
Technology Bootstrap Google Analytics Google Tag Manager
HTTP Headers
| Content-encoding
| gzip |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Thu, 20 Aug 2026 17:06:47 GMT |
| Server
| Combust/Plack (Perl) |
| X-content-type-options
| nosniff |
| X-frame-options
| deny |
| X-xss-protection
| 1 |
| Via
| 1.1 varnish, 1.1 varnish |
| Strict-transport-security
| max-age=63072000; includeSubDomains; preload |
| Accept-ranges
| bytes |
| Age
| 3431 |
| Date
| Thu, 20 Aug 2026 18:15:10 GMT |
| X-served-by
| cache-dfw-ktki8620050-DFW, cache-par-lfpb1150051-PAR |
| X-cache
| HIT, HIT |
| X-cache-hits
| 6, 0 |
| X-timer
| S1787249711.903690,VS0,VE2 |
| Vary
| Accept-Encoding |
| X-backend
| dala |
| X-backend-front
| ssl_shield_dallas_tx_us |
| Alt-svc
| h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400 |
| Content-length
| 3305 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | The Perl Programming Language at Perl.org. Links and other helpful resources for new and experienced Perl programmers. |
Content-encoding gzip
Content-type text/html; charset=utf-8
Last-modified Thu, 20 Aug 2026 17:06:47 GMT
Server Combust/Plack (Perl)
X-content-type-options nosniff
X-frame-options deny
X-xss-protection 1
Via 1.1 varnish, 1.1 varnish
Strict-transport-security max-age=63072000; includeSubDomains; preload
Accept-ranges bytes
Age 3431
Date Thu, 20 Aug 2026 18:15:10 GMT
X-served-by cache-dfw-ktki8620050-DFW, cache-par-lfpb1150051-PAR
X-cache HIT, HIT
X-cache-hits 6, 0
X-timer S1787249711.903690,VS0,VE2
Vary Accept-Encoding
X-backend dala
X-backend-front ssl_shield_dallas_tx_us
Alt-svc h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
Content-length 3305
