surge.sh
Data from Aug 21, 2026, 8:40 AM UTC — 10h old.
Web Hosts · 1 measurement · since Aug 21, 2026 · last attempt 10h
Core Web Vitals field data, url-level
Real Chrome users, 28-day window (2026-07-23 → 2026-08-19). This is what Google measures you on.
Scores
Lab metrics Lighthouse, mobile
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| LCP Largest Contentful Paint | 4.01 s | — | — | 4.01 s | 4.01 s | |
| CLS Cumulative Layout Shift | 0.005 | — | — | 0.005 | 0.005 | |
| TBT Total Blocking Time | 0 ms | — | — | 0 ms | 0 ms | |
| FCP First Contentful Paint | 1.53 s | — | — | 1.53 s | 1.53 s | |
| Speed Index | 1.53 s | — | — | 1.53 s | 1.53 s | |
| TTFB Time to First Byte | 620 ms | — | — | 620 ms | 620 ms |
What LCP is made of
A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.
Field data Chrome UX Report, url-level
Real Chrome users, 28-day trailing window (2026-07-23 → 2026-08-19). This is what Google measures you on.
| Metric | p75 | Rating | Distribution (good / needs work / poor) |
|---|---|---|---|
| LCP CWV | 2.53 s | needs-improvement | 74.1% good |
| INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run | 109 ms | good | 89.1% good |
| CLS CWV | 0.010 | good | 93.7% good |
| FCP | 2.46 s | needs-improvement | 57.5% good |
| TTFB | 1.40 s | needs-improvement | 46% good |
Lab vs field
Lab LCP 4.01 s · field p75 2.53 s · real users are 0.63× faster than the lab.
Field history 25 weeks
Weekly p75 from the CrUX History API, backfilled in a single request.
| Week ending | LCP | INP | CLS | FCP | TTFB |
|---|---|---|---|---|---|
| 2026-08-15 | 2.52 s | 103 ms | 0.010 | 2.45 s | 1.41 s |
| 2026-08-08 | 2.50 s | 105 ms | 0.010 | 2.42 s | 1.39 s |
| 2026-08-01 | 2.49 s | 104 ms | 0.010 | 2.42 s | 1.42 s |
| 2026-07-25 | 2.50 s | 103 ms | 0.010 | 2.42 s | 1.44 s |
| 2026-07-18 | 2.52 s | 105 ms | 0.010 | 2.43 s | 1.43 s |
| 2026-07-11 | 2.58 s | 103 ms | 0.010 | 2.48 s | 1.45 s |
| 2026-07-04 | 2.54 s | 98 ms | 0.010 | 2.44 s | 1.42 s |
| 2026-06-27 | 2.47 s | 99 ms | 0.010 | 2.37 s | 1.37 s |
| 2026-06-20 | 2.47 s | 97 ms | 0 | 2.39 s | 1.40 s |
| 2026-06-13 | 2.24 s | 96 ms | 0 | 2.15 s | 1.25 s |
| 2026-06-06 | 2.25 s | 96 ms | 0 | 2.15 s | 1.25 s |
| 2026-05-30 | 2.27 s | 96 ms | 0 | 2.18 s | 1.27 s |
Page weight
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Page Weight | 1.78 MB | — | — | 1.78 MB | 1.78 MB | |
| Requests | 50 | — | — | 50 | 50 | |
| Third-party Weight | 215.0 kB | — | — | 215.0 kB | 215.0 kB | |
| Third-party CPU | 15 ms | — | — | 15 ms | 15 ms | |
| Unused JS | 0 B | — | — | 0 B | 0 B | |
| Unused CSS | 0 B | — | — | 0 B | 0 B |
By resource type
Third parties 2 entities
215.0 kB transferred, 15 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.
Page health
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Main Thread Work | 790 ms | — | — | 790 ms | 790 ms | |
| Long Tasks | 1 | — | — | 1 | 1 | |
| DOM Elements | 527 | — | — | 527 | 527 | |
| A11y Failures | 6 | — | — | 6 | 6 | |
| A11y Failing Nodes | 82 | — | — | 82 | 82 |
Main thread work
Axe violations axe-core , full rule set
The axe run failed: Navigation timeout of 120000 ms exceeded
Accessibility failures 6 of 25 audits
Tracked as a count, not just the score — the weighted score is coarse enough that you can ship a broken component and barely move it.
-
color-contrast— Background and foreground colors do not have a sufficient contrast ratio. 69 nodes -
image-alt— Image elements do not have `[alt]` attributes 7 nodes -
link-in-text-block— Links rely on color to be distinguishable. 3 nodes -
aria-prohibited-attr— Elements use prohibited ARIA attributes 1 node -
frame-title— `<frame>` or `<iframe>` elements do not have a title 1 node -
html-has-lang— `<html>` element does not have a `[lang]` attribute 1 node
Hygiene
Changes rarely — which is exactly why a change is worth noticing.
Measurement log
Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.
| When | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took |
|---|---|---|---|---|---|---|---|---|---|
| Aug 21, 2026, 8:40 AM UTC | 87 | 4.01 s | 0.005 | 0 ms | 1.78 MB | 3/3 | ±34 | 3,263 | 147.8s |
Embed this score
Live below, then the markup that produces it. Drop that on any page to show
surge.sh's scores, updated whenever this instance
re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site!
<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://surge.sh/"></speedlify-score>