www.space.com speed test — 20 Oct 2026
Measured from the wfix.shop server on 20 October 2026 at 13:48 UTC. Grade A (90/100), with the screenshots, the timings and the fixes that matter.
Where the first byte went
- DNS lookup 65 ms 37%
- TCP connect 18 ms 10%
- Server wait 94 ms 53%
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 177 ms, which is fast: almost all of the wait is the page itself, not the host.
- The page transfers 659.4 KB over 26 request(s). Images files are 51% of it, so resize and recompress the largest images before anything else.
- The HTML itself arrives br-compressed.
- It runs over HTTP/3, so the assets share a connection instead of opening one each.
- 51% of the weight comes from other hosts (analytics, fonts, embeds), which also means their slow day becomes your slow day.
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.
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, 659.4 KB across all of them.
Top issues
Render-blocking resources
high impact12 render-blocking resource(s) in the document head (9 script(s), 3 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 impact10 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.
Third-party weight
medium impact2 third-party host(s) serve 337.2 KB 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.
HTML document size
medium impactThe document transfers 322.2 KB. A bloated document delays every other request, because nothing else can start until it is parsed.
Fix: Paginate long listings, move repeated markup into a template, and stop inlining large data URIs into the HTML.
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://cdn.mos.cms.futurecdn.net/357C7FjvMFXnP6krGTgWxH-200-80.png 3rd party | images | 200 | 1.15 s | 34.3 KB |
| https://cdn.mos.cms.futurecdn.net/M3zAUn7nqXc4GWceASqYac-200-80.jpg 3rd party | images | 200 | 1.12 s | 11.1 KB |
| https://cdn.mos.cms.futurecdn.net/BMVq9w3fG6m5zzzFvmqm9d-200-80.jpg 3rd party | images | 200 | 1.11 s | 7.6 KB |
| https://cdn.mos.cms.futurecdn.net/ex9GUc62uuYqTfkwMKuuzP-200-80.jpg 3rd party | images | 200 | 1.11 s | 6.8 KB |
| https://cdn.mos.cms.futurecdn.net/5e5fjCVmUiUuAYQxmHxS7R-320-80.png 3rd party | images | 200 | 1.11 s | 78.6 KB |
| https://cdn.mos.cms.futurecdn.net/nSLAzxuy57KBrEsGG94Tgk-200-80.jpg 3rd party | images | 200 | 1.09 s | 5.5 KB |
| https://cdn.mos.cms.futurecdn.net/kGytMDGTe48qG3bhMYp9MA-320-80.jpg 3rd party | images | 200 | 976 ms | 12.4 KB |
| https://cdn.mos.cms.futurecdn.net/ogbdiZLSzih7BPFkzC9mPd-320-80.jpg 3rd party | images | 200 | 972 ms | 10.2 KB |
| https://sb.scorecardresearch.com/p/?c1=2&c2=10055482&cv=4.4.0&cj=1 3rd party | other | 404 | 971 ms | 0 B |
| https://cdn.mos.cms.futurecdn.net/CaXZHsGkC3ELaPgT7WG92k-320-80.png 3rd party | images | 200 | 968 ms | 71.0 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/55f1ear3r91779283651.svg 3rd party | images | 200 | 961 ms | 1.2 KB |
| https://cdn.mos.cms.futurecdn.net/QgUe9PZni7hmT8mpQG56Pf-200-80.jpg 3rd party | images | 200 | 951 ms | 20.8 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/qt8r3iglph1770885239.svg 3rd party | images | 200 | 951 ms | 977 B |
| https://cdn.mos.cms.futurecdn.net/ZintzwFGEKDLuB9J6Z6U9g-320-80.jpg 3rd party | images | 200 | 950 ms | 15.9 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/dguzmo7zgs1770884431.svg 3rd party | images | 200 | 948 ms | 999 B |
| https://cdn.mos.cms.futurecdn.net/flexiimages/ppk9cifbtw1779278432.svg 3rd party | images | 200 | 944 ms | 1.8 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/vxkn23ilfy1779283641.svg 3rd party | images | 200 | 933 ms | 1.9 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/2lfo9jmvho1765179166.svg 3rd party | images | 200 | 932 ms | 4.8 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/8w0qzb6xpp1779278375.svg 3rd party | images | 200 | 931 ms | 702 B |
| https://cdn.mos.cms.futurecdn.net/flexiimages/h0mke6edxz1770889266-400-80.jpg 3rd party | images | 200 | 929 ms | 25.1 KB |
| https://cdn.mos.cms.futurecdn.net/yuBChjmdEXDVkmGVcyG4AZ-320-80.jpg 3rd party | images | 200 | 927 ms | 12.0 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/tytuo39iu31783071958.svg 3rd party | images | 200 | 927 ms | 1.4 KB |
| https://cdn.mos.cms.futurecdn.net/flexiimages/n60ffezmue1779278404.svg 3rd party | images | 200 | 926 ms | 777 B |
| https://cdn.mos.cms.futurecdn.net/flexiimages/flrjktalho1779278474.svg 3rd party | images | 200 | 921 ms | 977 B |
| https://cdn.mos.cms.futurecdn.net/5KPnDror6M4GWWDHyrn5Uc-320-80.jpg 3rd party | images | 200 | 919 ms | 10.4 KB |
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