www.legislation.gov.uk speed test — 20 Oct 2026
Measured from the wfix.shop server on 20 October 2026 at 13:34 UTC. Grade A (93/100), with the screenshots, the timings and the fixes that matter.
Where the first byte went
- DNS lookup 57 ms 30%
- TCP connect 24 ms 13%
- Server wait 106 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
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 server answered in 187 ms, which is fast: almost all of the wait is the page itself, not the host.
- The page transfers 156.7 KB over 19 request(s). Javascript files are 35% of it, so defer what is not needed for the first screen, and drop tags nobody uses.
- The HTML itself arrives gzip-compressed.
- It runs over HTTP/2, so the assets share a connection instead of opening one each.
- The largest element took 9.99 s to paint, past the 2.5 s threshold: usually a hero image that is too big or a render-blocking script in front of it.
- Layout stayed still (CLS 0.003), so nothing jumps under the reader's cursor.
Fix first: Render-blocking resources - Add defer or async to scripts that do not change the first paint, inline the critical CSS, and load the rest with media="print" plus an onload swap.
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.
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.
Page weight by type
What the page is made of
Transfer size, compressed as sent. 19 request(s) in total, 156.7 KB across all of them.
Top issues
Render-blocking resources
high impact15 render-blocking resource(s) in the document head (8 script(s), 7 stylesheet(s)). The page cannot paint until each one arrives.
Fix: Add defer or async to scripts that do not change the first paint, inline the critical CSS, and load the rest with media="print" plus an onload swap.
Cache static assets
medium impact17 asset(s) answer without a Cache-Control max-age, so browsers revalidate them on every visit.
Fix: Version filenames on change and serve them with a long max-age plus immutable. That is what makes a returning visitor fast.
Avoid extra redirects
medium impact1 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
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
| Request | Type | Status | Time | Size |
|---|---|---|---|---|
| https://www.legislation.gov.uk:443/images/chrome/apple-touch-icons/apple-touch-icon.png | images | 200 | 911 ms | 36.5 KB |
| https://www.legislation.gov.uk:443/images/chrome/site_logo_legislation.gif | images | 200 | 910 ms | 6.7 KB |
| https://www.legislation.gov.uk:443/favicon.ico | images | 200 | 876 ms | 1.4 KB |
| https://www.legislation.gov.uk:443/images/chrome/ogl-symbol.gif | images | 200 | 782 ms | 1.0 KB |
| https://www.googletagmanager.com/ns.html?id=GTM-TWB7339 3rd party | html | 200 | 765 ms | 92 B |
| https://www.legislation.gov.uk:443/styles/buy-now.css | css | 200 | 761 ms | 749 B |
| https://www.legislation.gov.uk:443/scripts/CentralConfig.js | javascript | 200 | 746 ms | 3.6 KB |
| https://www.legislation.gov.uk:443/scripts/jquery-cookie-directive/jquery-cookie-functions.js | javascript | 200 | 746 ms | 1.2 KB |
| https://www.legislation.gov.uk:443/scripts/jquery-4.0.0.min.js | javascript | 200 | 743 ms | 26.9 KB |
| https://www.legislation.gov.uk:443/styles/screen.css | css | 200 | 740 ms | 19.9 KB |
| https://www.legislation.gov.uk:443/styles/print.css | css | 200 | 737 ms | 478 B |
| https://www.legislation.gov.uk:443/styles/website.css | css | 200 | 734 ms | 29.4 KB |
| https://www.legislation.gov.uk:443/styles/survey/survey.css | css | 200 | 733 ms | 595 B |
| https://www.legislation.gov.uk:443/scripts/cookie-directive.js | javascript | 200 | 727 ms | 3.7 KB |
| https://www.legislation.gov.uk:443/scripts/jquery-cookie-directive/jquery.cookie.js | javascript | 200 | 723 ms | 1.0 KB |
| https://www.legislation.gov.uk:443/scripts/chrome.js | javascript | 200 | 720 ms | 16.3 KB |
| https://www.legislation.gov.uk:443/scripts/homepageChrome.js | javascript | 200 | 720 ms | 1.4 KB |
| https://www.legislation.gov.uk:443/scripts/survey/survey.js | javascript | 200 | 720 ms | 1.1 KB |
Report this page
Run this test on your own site
The same engine, free, with the screenshots and the fixes. No account needed.