opencode.ai speed test — 20 Oct 2026
Measured from the wfix.shop server on 20 October 2026 at 14:34 UTC. Grade B (85/100), with the screenshots, the timings and the fixes that matter.
Where the first byte went
- DNS lookup 74 ms 19%
- TCP connect 4 ms 1%
- Server wait 316 ms 80%
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 first byte arrived in 394 ms. That is workable, and the cheapest win left is caching or a warmer connection.
- The page transfers 2.04 MB over 11 request(s), which is lean. Media files are 98% of it, so let video load on demand instead of on first paint.
- The HTML itself arrives br-compressed.
- It runs over HTTP/3, so the assets share a connection instead of opening one each.
- The largest element painted at 416 ms, inside the 2.5 s Google calls good.
- The main thread was blocked for 11 ms in total, which is not enough to feel.
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. 11 request(s) in total, 2.04 MB across all of them.
Top issues
Render-blocking resources
high impact4 render-blocking resource(s) in the document head (0 script(s), 4 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.
Total page weight
high impactThe page transfers 2.04 MB across 11 request(s), with the document itself at 13.7 KB.
Fix: Work through the heaviest assets first: images, then fonts, then third-party scripts.
Strict-Transport-Security
low impactHSTS is not set, so the first visit on a hostile network can still be downgraded to HTTP.
Fix: Send Strict-Transport-Security with a max-age of at least six months. Add includeSubDomains once every subdomain is HTTPS.
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://opencode.ai/favicon-v3.ico | images | 200 | 549 ms | 400 B |
| https://opencode.ai/_build/assets/opencode-min-CiEsORKQ.mp4 | media | 200 | 503 ms | 2.00 MB |
| https://opencode.ai/site.webmanifest | other | 200 | 488 ms | 487 B |
| https://opencode.ai/_build/assets/entry-client-B_h6Sl3b.js | javascript | 200 | 482 ms | 8.6 KB |
| https://opencode.ai/_build/assets/language-picker-B9_1lRlw.css | css | 200 | 480 ms | 1.0 KB |
| https://opencode.ai/_build/assets/index-C1kvjbTM.css | css | 200 | 477 ms | 4.5 KB |
| https://opencode.ai/_build/assets/legal-BBCO41N-.css | css | 200 | 477 ms | 503 B |
| https://opencode.ai/apple-touch-icon-v3.png | images | 200 | 470 ms | 1.5 KB |
| https://opencode.ai/_build/assets/entry-client-GhYk_jlu.css | css | 200 | 460 ms | 11.2 KB |
| https://opencode.ai/favicon-96x96-v3.png | images | 200 | 440 ms | 536 B |
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