quickchart.io
Data from Aug 21, 2026, 6:51 AM UTC 2d old
Built Awesome #1,088 · 1 measurement · since Aug 21, 2026
Stack
Detected on the same page load as the accessibility pass — the generator
from <meta name="generator"> or the shape of the page,
the host from response headers.
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 | 4.75 s | — | — | 4.75 s | 4.75 s | |
| CLS Cumulative Layout Shift | 0.019 | — | — | 0.019 | 0.019 | |
| TBT Total Blocking Time | 120 ms | — | — | 120 ms | 120 ms | |
| FCP First Contentful Paint | 1.03 s | — | — | 1.03 s | 1.03 s | |
| Speed Index | 1.38 s | — | — | 1.38 s | 1.38 s | |
| TTFB Time to First Byte | 513 ms | — | — | 513 ms | 513 ms |
What LCP is made of observed, unthrottled
A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.
Measured on the trace before throttling is modelled, so these are real durations that will not sum to the 4.75 s above — that figure is a simulation of the same load on a slow phone and connection. Read these for the proportions: which phase dominates.
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 | 1.28 s | good | 93.6% good |
| INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run | 95 ms | good | 93.3% good |
| CLS CWV | 0 | good | 93.6% good |
| FCP | 1.17 s | good | 87.1% good |
| TTFB | 653 ms | good | 80.7% good |
Lab vs field
Lab LCP 4.75 s · field p75 1.28 s · real users are 0.27× 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 | 1.25 s | 96 ms | 0 | 1.15 s | 612 ms |
| 2026-08-08 | 1.16 s | 93 ms | 0 | 1.01 s | 559 ms |
| 2026-08-01 | 1.15 s | 95 ms | 0 | 998 ms | 592 ms |
| 2026-07-25 | 1.09 s | 92 ms | 0 | 963 ms | 549 ms |
| 2026-07-18 | 1.07 s | 90 ms | 0 | 972 ms | 546 ms |
| 2026-07-11 | 1.09 s | 90 ms | 0 | 992 ms | 583 ms |
| 2026-07-04 | 1.08 s | 87 ms | 0 | 990 ms | 570 ms |
| 2026-06-27 | 1.08 s | 89 ms | 0 | 982 ms | 587 ms |
| 2026-06-20 | 1.10 s | 90 ms | 0 | 1.00 s | 581 ms |
| 2026-06-13 | 1.11 s | 91 ms | 0 | 1.01 s | 576 ms |
| 2026-06-06 | 1.13 s | 94 ms | 0 | 1.04 s | 582 ms |
| 2026-05-30 | 1.17 s | 93 ms | 0 | 1.07 s | 594 ms |
Page weight
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Page Weight | 929 kB | — | — | 929 kB | 929 kB | |
| Requests | 37 | — | — | 37 | 37 | |
| Third-party Weight | 452 kB | — | — | 452 kB | 452 kB | |
| Third-party CPU | 131 ms | — | — | 131 ms | 131 ms | |
| Unused JS | 180 kB | — | — | 180 kB | 180 kB | |
| Unused CSS | 0 B | — | — | 0 B | 0 B |
By resource type
Third parties 6 entities
452 kB transferred, 131 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 | 1.04 s | — | — | 1.04 s | 1.04 s | |
| Long Tasks | 5 | — | — | 5 | 5 | |
| DOM Elements | 1,006 | — | — | 1,006 | 1,006 | |
| Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset | 74 | — | — | 74 | 74 | |
| A11y Failures | 7 | — | — | 7 | 7 | |
| A11y Failing Nodes | 43 | — | — | 43 | 43 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
74 violating nodes across 9 rules, 632 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.
-
moderate
region— All page content should be contained by landmarks 30 nodes -
critical
image-alt— Images must have alternative text 23 nodes -
serious
link-name— Links must have discernible text 13 nodes -
serious
listitem— <li> elements must be contained in a <ul> or <ol> 3 nodes -
serious
color-contrast— Elements must meet minimum color contrast ratio thresholds 1 node -
critical
label— Form elements must have labels 1 node -
moderate
landmark-one-main— Document should have one main landmark 1 node -
serious
list— <ul> and <ol> must only directly contain <li>, <script> or <template> elements 1 node -
serious
scrollable-region-focusable— Scrollable region must have keyboard access 1 node
Accessibility failures 7 of 20 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.
-
image-alt— Image elements do not have `[alt]` attributes 23 nodes -
link-name— Links do not have a discernible name 13 nodes -
listitem— List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. 3 nodes -
color-contrast— Background and foreground colors do not have a sufficient contrast ratio. 1 node -
list— Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). 1 node -
target-size— Touch targets do not have sufficient size or spacing. 1 node -
landmark-one-main— Document does not have a main landmark. 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, 6:51 AM UTC | 82 | 4.75 s | 0.019 | 120 ms | 929 kB | 3/3 | ±7 | 2,489 | 27.6s |
Embed this score
Live below, then the markup that produces it. Drop that on any page to show
quickchart.io's scores, updated whenever this instance
re-measures — more about the component. Don’t forget to bundle the speedlify2-score.js component code into your site!
<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://quickchart.io/"></speedlify2-score>