SvelteKit site speed
How fast SvelteKit websites load on a phone, from Google PageSpeed tests of 26 SvelteKit sites, and which popular ones are slowest. Use it to benchmark your own site, or to find SvelteKit sites that need speed work.
Real users: 5% of the 20 SvelteKit sites with Chrome UX Report data are rated fast overall (good loading, responsiveness and layout stability).
Slowest popular SvelteKit sites
Lowest mobile PageSpeed scores among SvelteKit sites in the Tranco top million. One lab test each, so a score can move from day to day.
| Site | Industry | Mobile score | LCP | Page weight |
|---|---|---|---|---|
Carhop carhop.com | – | 13 | 14.6s | 3.6 MB |
 Anheuser-Busch anheuser-busch.com | Brewing | 26 | 14.6s | 3.5 MB |
 Daily Maverick dailymaverick.co.za | – | 29 | 10.5s | 3.9 MB |
Billluke billluke.com | – | 29 | 45.3s | 7.7 MB |
 Block, Inc. block.xyz | Financial services | 31 | 14.6s | 9.7 MB |
 Tom Dixon tomdixon.net | – | 34 | 6.4s | 2.9 MB |
 Cullen Jewellery cullenjewellery.com | – | 42 | 18.1s | 12.6 MB |
 Anheuser-Busch InBev ab-inbev.com | Brewing | 47 | 8.8s | 2.9 MB |
 Zubaidas Online zubaidasonline.com | – | 52 | 14.9s | 4.2 MB |
 Castingwords, LLC castingwords.com | Transcription service | 75 | 5.8s | 620 KB |
Every slow SvelteKit site, as a list
All SvelteKit sites scoring under 50 on mobile, filtered by industry, country or popularity, with what slows each one down, company details and contacts. Credits included to start.
Third parties SvelteKit sites load most
- Google Tag Manager81%
- Google Fonts46%
- Google/Doubleclick Ads38%
- Google Analytics35%
- dealerinspire.com31%
- complyauto.com31%
- cloudfront.net31%
- audioeye-services.com27%
- featureassets.org27%
- Other Google APIs/SDKs23%
Fastest popular SvelteKit sites
- Castingwords, LLC castingwords.com75
- Zubaidas Online zubaidasonline.com52
- Anheuser-Busch InBev ab-inbev.com47
- Cullen Jewellery cullenjewellery.com42
- Tom Dixon tomdixon.net34
- Block, Inc. block.xyz31
- Daily Maverick dailymaverick.co.za29
- Billluke billluke.com29
- Anheuser-Busch anheuser-busch.com26
- Carhop carhop.com13
Check one site
Paste a website and see what it runs, live, with the source of each value. No account needed. Its mobile speed is measured when an agent runs.
How this is measured
Each site's home page is tested with Google PageSpeed Insights (Lighthouse, simulated mid-range phone on a slow 4G connection) when it's enriched; real-user ratings come from the Chrome UX Report where Google has enough visits. Only sites in the Tranco top million are named. See also websites using SvelteKit. Updated October 2026.
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