www.cpan.org speed test — 20 Oct 2026

Measured from the wfix.shop server on 20 October 2026 at 13:26 UTC. Grade A (99/100), with the screenshots, the timings and the fixes that matter.

https://www.cpan.org/

20 October 2026 at 13:26 UTC · Free test · report pt_601e85366aa1
Grade
A
99/100
Performance99/100
Structure98/100

15 audit(s) passed, 1 need work

First byte (TTFB)222 msmeasured from this server
Fully loaded785 msfirst byte + slowest asset
Requests7document + assets
Page weight184.3 KBcompressed transfer
HTML document2.6 KBbr
ProtocolHTTP/3Apache/2.4.63 (Unix)
Third-party154.7 KBother hosts

Where the first byte went

  • DNS lookup 54 ms 24%
  • TCP connect 42 ms 19%
  • Server wait 127 ms 57%

Measured on the connection that fetched the HTML. Every other request on the page waits for the end of this bar before it can start.

How this page compares

First bytefaster than 89% of 4,999 pages tested here222 ms against a median of 449 ms
Page weightlighter than 80% of 4,999 pages tested here184.3 KB against a median of 650.5 KB
Fully loadedfaster than 95% of 4,999 pages tested here785 ms against a median of 1.84 s
Requestssends fewer requests than 91% of 4,999 pages tested here7 against a median of 26

Every report published here is in this comparison, so it is a reference population of pages tested from one server - not a benchmark of the whole web.

What these numbers mean

  • The first byte arrived in 222 ms. That is workable, and the cheapest win left is caching or a warmer connection.
  • The page transfers 184.3 KB over 7 request(s), which is lean. Javascript files are 84% of it, so defer what is not needed for the first screen, and drop tags nobody uses.
  • The HTML itself arrives br-compressed.
  • It runs over HTTP/3, so the assets share a connection instead of opening one each.
  • 84% of the weight comes from other hosts (analytics, fonts, embeds), which also means their slow day becomes your slow day.
  • The largest element painted at 400 ms, inside the 2.5 s Google calls good.
  • The main thread was blocked for 9 ms in total, which is not enough to feel.

Fix first: Avoid extra redirects - Link to the canonical URL (and make sure http, the apex domain and www all point at it) so no visitor pays a redirect first.

Read on one shared server, not a visitor's phone: use it to compare pages against each other, not as a promise about every connection. We fix what these tests find.

Screenshot

What the page looks like

Loaded in headless Chromium on this server. Click an image to open it full size.

Desktop screenshot of www.cpan.org
Desktop 1366 × 768 · 127.0 KB · page is 768 px tall
Mobile screenshot of www.cpan.org
Mobile 390 × 844 · 94.2 KB · page is 1220 px tall

Browser render

The same URL loaded in a real browser, so these are the readings curl cannot produce. The grade above is still built from the server measurements.

Largest contentful paint400 msgood is under 2.5 s
Cumulative layout shift0.000under 0.1 is stable
Total blocking time9 mslong tasks during load
First contentful paint400 msfirst content on screen
Browser page weight190.8 KB9 request(s), scripts included
Largest contentful paint400 ms
Goodgood under 2.5 s, poor over 4 s
Cumulative layout shift0.000
Goodgood under 0.1, poor over 0.25
Total blocking time9 ms
Goodgood under 200 ms, poor over 600 ms

Page weight by type

What the page is made of

Javascript 2 requests
154.7 KB 84%
Images 3 requests
25.8 KB 14%
Css 1 request
1.2 KB 1%

Transfer size, compressed as sent. 7 request(s) in total, 184.3 KB across all of them.

Top issues

Avoid extra redirects

medium impact

1 redirect hop(s) before the page load started, each one a full round trip before the first byte.

Fix: Link to the canonical URL (and make sure http, the apex domain and www all point at it) so no visitor pays a redirect first.

Waterfall

Slowest requests

JAVASCRIPTcdn.perl.org/js/script.js
563 ms
IMAGESwww.cpan.org/misc/images/netactuate.png
346 ms
CSSwww.cpan.org/misc/css/cpan.css
337 ms
JAVASCRIPTwww.googletagmanager.com/gtag/js
330 ms
IMAGESwww.cpan.org/misc/images/cpan.svg
322 ms
IMAGESwww.cpan.org/misc/images/fastly.png
285 ms

Each bar is one request's own response time, scaled to the slowest. Assets were fetched in parallel, so the bars overlap in real time rather than stacking. first party third party

RequestTypeStatusTimeSize
https://cdn.perl.org/js/script.js 3rd partyjavascript200563 ms1.3 KB
https://www.cpan.org/misc/images/netactuate.pngimages200346 ms3.8 KB
https://www.cpan.org/misc/css/cpan.csscss200337 ms1.2 KB
https://www.googletagmanager.com/gtag/js?id=G-PXE98NKGY2 3rd partyjavascript200330 ms153.4 KB
https://www.cpan.org/misc/images/cpan.svgimages200322 ms10.2 KB
https://www.cpan.org/misc/images/fastly.pngimages200285 ms11.8 KB
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