www.zol.com.cn speed test — 20 Oct 2026
Measured from the wfix.shop server on 20 October 2026 at 15:22 UTC. Grade D (60/100), with the screenshots, the timings and the fixes that matter.
Where the first byte went
- DNS lookup 212 ms 20%
- TCP connect 189 ms 18%
- Server wait 670 ms 63%
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 took 1.07 s. Everything else waits for that number, so the server is where to start: caching, a slow query, or an overloaded host.
- The page transfers 1.49 MB over 26 request(s). Images files are 83% of it, so resize and recompress the largest images before anything else.
- The HTML itself arrives gzip-compressed.
- It runs over HTTP/2, so the assets share a connection instead of opening one each.
- 86% of the weight comes from other hosts (analytics, fonts, embeds), which also means their slow day becomes your slow day.
Fix first: Server response time (TTFB) - Cut server think time: page cache, query indexes, fewer synchronous calls to third parties inside the request. Connection setup is distance, so a nearer region or a CDN edge helps instead.
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.
The headless browser did not capture this page when the test ran, so only the server measurements are shown.
Page weight by type
What the page is made of
Transfer size, compressed as sent. 26 request(s) in total, 1.49 MB across all of them.
Top issues
Server response time (TTFB)
high impactThe first byte arrived after 1071 ms. Of that, 670 ms was the server thinking and 401 ms was connection setup. A first byte under 400 ms is what a visitor feels as instant.
Fix: Cut server think time: page cache, query indexes, fewer synchronous calls to third parties inside the request. Connection setup is distance, so a nearer region or a CDN edge helps instead.
Image delivery and format
high impact1 image(s) over 200 KB and 7 large image(s) still served as JPEG or PNG.
Fix: Serve WebP or AVIF with a JPEG fallback, size images to the space they occupy, and lazy-load anything below the fold. Images are usually more than half of a slow page.
Serve everything over HTTPS
high impact10 asset(s) are still requested over plain HTTP.
Fix: Redirect HTTP to HTTPS at the server, and rewrite the remaining http:// asset references so nothing depends on browser upgrading.
Total page weight
medium impactThe page transfers 1.49 MB across 26 request(s), with the document itself at 214.6 KB.
Fix: Work through the heaviest assets first: images, then fonts, then third-party scripts.
Third-party weight
medium impact6 third-party host(s) serve 1.28 MB of this page. Each one is another DNS lookup, TLS handshake and point of failure you do not control.
Fix: Self-host the libraries you can, drop the tags you cannot justify, and preconnect the ones you keep.
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 |
|---|---|---|---|---|
| http://2c.zol-img.com.cn/manu_photo/1474.jpg 3rd party | images | 200 | 2.22 s | 2.9 KB |
| https://icon.zol-img.com.cn/app/qrimg/appload_inviewclick_PC_homepage_head.png 3rd party | images | 200 | 879 ms | 1.0 KB |
| https://icon.zol-img.com.cn/public/js/jq-with-migrate3.js 3rd party | javascript | 200 | 807 ms | 43.3 KB |
| https://up-fd.zol-img.com.cn/t_s160x160f/g8/M00/0B/04/ChMkLWoeMbSIbasWAAAjnBemfFcAAIswgKh_ZEAACO0321.jpg 3rd party | images | 200 | 800 ms | 3.7 KB |
| https://up-fd.zol-img.com.cn/t_s160x160f/g8/M00/0E/02/ChMkLWlLYcuIQqMqAABK5uh_CsEAAG5GgI7T60AAEr-117.jpg 3rd party | images | 200 | 795 ms | 7.9 KB |
| https://up-fd.zol-img.com.cn/t_s160x160f/g7/M00/0A/08/ChMkK2ZWnoSIYyw5AAAMW7B3ceoAAerCAPvd1UAAAxz472.jpg 3rd party | images | 200 | 786 ms | 3.1 KB |
| https://up-fd.zol-img.com.cn/t_s160x160f/g8/M00/0D/0E/ChMkLWlKDV-IXWRhAAAoqGo1uaQAAG4KALDGyoAACjA653.jpg 3rd party | images | 200 | 783 ms | 3.7 KB |
| https://up-fd.zol-img.com.cn/t_s160x160f/g7/M00/07/03/ChMkLGaxvYSIdTPSAAAVtgatlKMAAhdbgEfbgQAABXO107.jpg 3rd party | images | 200 | 779 ms | 5.4 KB |
| https://up-fd.zol-img.com.cn/g8/M00/00/0D/ChMkLWrXIzuILvl6AAJFte3Y9JEAAKCkQAoeBYAAkXN153.jpg 3rd party | images | 200 | 725 ms | 145.4 KB |
| https://up-fd.zol-img.com.cn/g8/M00/00/09/ChMkLWrVf66IKQZ-AAP5mYl41AUAAKBkQEWwTgAA_mx703.jpg 3rd party | images | 200 | 717 ms | 254.4 KB |
| https://up-fd.zol-img.com.cn/g8/M00/00/04/ChMkLWrR-FSIKyxFAALjRETW_j8AAKAYAC8WEAAAuNc914.jpg 3rd party | images | 200 | 717 ms | 184.8 KB |
| https://up-fd.zol-img.com.cn/g8/M00/00/04/ChMkLWrR2WSIAB7BAAKaSgQ2jpAAAKAUAJezpwAAppi554.jpg 3rd party | images | 200 | 717 ms | 166.6 KB |
| https://up-fd.zol-img.com.cn/g8/M00/00/0B/ChMkLWrWDw6IRPN_AAJ6IBw61DwAAKB8gGxMIkAAno4236.jpg 3rd party | images | 200 | 717 ms | 158.5 KB |
| https://up-fd.zol-img.com.cn/g8/M00/00/09/ChMkLWrVh9aIT-S4AAJ4iMzzTWkAAKBlgNiNqQAAnig609.jpg 3rd party | images | 200 | 717 ms | 158.1 KB |
| https://up-fd.zol-img.com.cn/g8/M00/00/0A/ChMkLWrV2fCIBPIlAAIr1Eg5CAIAAKByQEY3v8AAivs752.jpg 3rd party | images | 200 | 717 ms | 139.0 KB |
| https://up-fd.zol-img.com.cn/t_s160x160f/g7/M00/0A/0C/ChMkK2XwIfiIca3eAAANaFrMUk4AAbsNAP_7agAAA2A341.jpg 3rd party | images | 200 | 717 ms | 3.4 KB |
| http://2a.zol-img.com.cn/manu_photo/160.png 3rd party | images | 200 | 711 ms | 4.1 KB |
| http://2b.zol-img.com.cn/manu_photo/125.jpg 3rd party | images | 200 | 711 ms | 3.9 KB |
| http://2b.zol-img.com.cn/manu_photo/613.png 3rd party | images | 200 | 711 ms | 3.9 KB |
| http://2b.zol-img.com.cn/manu_photo/133.jpg 3rd party | images | 200 | 711 ms | 3.5 KB |
| http://2b.zol-img.com.cn/manu_photo/1673.jpg 3rd party | images | 200 | 711 ms | 3.5 KB |
| http://2a.zol-img.com.cn/manu_photo/232.jpg 3rd party | images | 200 | 711 ms | 3.2 KB |
| http://2d.zol-img.com.cn/manu_photo/1795.jpg 3rd party | images | 200 | 711 ms | 3.1 KB |
| http://2d.zol-img.com.cn/manu_photo/223.jpg 3rd party | images | 200 | 711 ms | 3.1 KB |
| http://2d.zol-img.com.cn/manu_photo/227.jpg 3rd party | images | 200 | 711 ms | 2.3 KB |
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