speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time.

Charts Measurement runs Embed a score

replicate.com

https://replicate.com/

28 86 96 92 ✗AXE !CWV

Data from Aug 31, 2026, 9:01 PM UTC old

Overall #1,502 AI #10 Developer Tooling #88 · 1 measurement · since Aug 31, 2026

Stack

Cloudflare Hosted by Cloudflare

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-08-02 → 2026-08-29).

LCP 3.10 s needs-improvement
INP 281 ms needs-improvement
CLS 0.030 good

Lighthouse Scores

28
Performance
no change
86
Accessibility
no change
96
Best Practices
no change
92
SEO
no change

Filmstrip Lighthouse, mobile

How the page drew during the measured load, at 8 points across 18.80 s.

  1. 2.35 s
  2. 4.70 s
  3. 7.05 s
  4. 9.40 s
  5. 11.75 s
  6. 14.10 s
  7. 16.45 s
  8. 18.80 s

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

12.4% of pixels differ — parts of the page change. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 6.12 s — — 6.12 s 6.12 s
CLS Cumulative Layout Shift 0.007 — — 0.007 0.007
TBT Total Blocking Time 100.42 s — — 100.42 s 100.42 s
FCP First Contentful Paint 6.12 s — — 6.12 s 6.12 s
Speed Index 31.16 s — — 31.16 s 31.16 s
TTFB Time to First Byte 476 ms — — 476 ms 476 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab metrics LCP metric shown above is throttled.

element render delay 382 ms
time to first byte 294 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-08-02 → 2026-08-29).

Metric p75 Rating Distribution (good / needs work / poor)
LCP CWV 3.10 s needs-improvement 63.3% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run 281 ms needs-improvement 65.6% good
CLS CWV 0.030 good 83.6% good
FCP 2.85 s needs-improvement 47.1% good
TTFB 1.94 s poor 23.6% good

Lab LCP vs Field LCP

Lab 6.12 s
Field p75 3.10 s

The lab LCP is 1.97× the field p75 — real users likely have above-average hardware or network connectivity.

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-08-29 3.10 s 281 ms 0.030 2.85 s 1.94 s
2026-08-22 3.08 s 277 ms 0.030 2.84 s 1.94 s
2026-08-15 3.08 s 276 ms 0.030 2.84 s 1.96 s
2026-08-08 3.10 s 272 ms 0.030 2.85 s 1.96 s
2026-08-01 3.11 s 276 ms 0.020 2.87 s 1.98 s
2026-07-25 3.16 s 291 ms 0.020 2.93 s 1.96 s
2026-07-18 3.15 s 305 ms 0.020 2.93 s 1.93 s
2026-07-11 3.15 s 320 ms 0.020 2.94 s 1.91 s
2026-07-04 3.14 s 343 ms 0.030 2.91 s 1.90 s
2026-06-27 3.15 s 344 ms 0.020 2.92 s 1.91 s
2026-06-20 3.18 s 344 ms 0.020 2.95 s 1.92 s
2026-06-13 3.18 s 348 ms 0.020 2.95 s 1.92 s

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 34.58 MB — — 34.58 MB 34.58 MB
Requests 166 — — 166 166
Third-party Weight 34.53 MB — — 34.53 MB 34.53 MB
Third-party CPU 1.48 s — — 1.48 s 1.48 s
Unused JS 140 kB — — 140 kB 140 kB
Unused CSS 29.0 kB — — 29.0 kB 29.0 kB

By resource type

  • image 55.8% 19.31 MB · 39 req
  • media 41.1% 14.21 MB · 17 req
  • script 2.1% 730 kB · 72 req
  • font 0.4% 145 kB · 6 req
  • other 0.3% 117 kB · 24 req
  • stylesheet 0.1% 35.8 kB · 3 req
  • document 0.1% 34.8 kB · 1 req

Third parties 5 entities

34.53 MB transferred, 1.48 s on the main thread.

replicate.delivery imagemedia 19.32 MB · 0 ms CPU
replicateassets.com mediaimage 14.26 MB · 1.46 s CPU
GitHub 827 kB · 0 ms CPU
Google Tag Manager 120 kB · 28 ms CPU
replicatestatus.com 194 B · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 175.72 s — — 175.72 s 175.72 s
Long Tasks 20 — — 20 20
DOM Elements 2,226 — — 2,226 2,226
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 121 — — 121 121
A11y Failures 5 — — 5 5
A11y Failing Nodes 49 — — 49 49

Main thread work

other 163.43 s
script evaluation 7.02 s
style layout 2.60 s
paint composite render 1.76 s
garbage collection 483 ms
parse HTML 365 ms
script parse compile 58 ms

Axe violations axe-core 4.13.0, full rule set

121 violating nodes across 7 rules, 2058 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 71 nodes
  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 32 nodes
  • critical button-name — Buttons must have discernible text 9 nodes
  • serious list — <ul> and <ol> must only directly contain <li>, <script> or <template> elements 4 nodes
  • serious scrollable-region-focusable — Scrollable region must have keyboard access 3 nodes
  • moderate heading-order — Heading levels should only increase by one 1 node
  • moderate landmark-one-main — Document should have one main landmark 1 node

Accessibility failures 5 of 30 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 34 nodes
  • button-name — Buttons do not have an accessible name 9 nodes
  • list — Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). 4 nodes
  • heading-order — Heading elements are not in a sequentially-descending order 1 node
  • landmark-one-main — Document does not have a main landmark. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 31, 2026, 9:01 PM UTC 28 6.12 s 0.007 100.42 s 34.58 MB 3/3 ±3 2,466 0% 439.2s