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

cursor.com

https://cursor.com/

38 93 73 92 AXE !CWV

Data from Aug 31, 2026, 9:03 PM UTC old

Overall #1,503 AI #11 Developer Tooling #89 · 1 measurement · since Aug 31, 2026

Stack

Vercel Hosted by Vercel

Core Web Vitals field data, url-level

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

LCP 2.74 s needs-improvement
INP 438 ms needs-improvement
CLS 0 good

Lighthouse Scores

38
Performance
no change
93
Accessibility
no change
73
Best Practices
no change
92
SEO
no change

Filmstrip Lighthouse, mobile

How the page drew during the measured load, at 8 points across 4.67 s.

  1. 583 ms
  2. 1.17 s
  3. 1.75 s
  4. 2.33 s
  5. 2.92 s
  6. 3.50 s
  7. 4.08 s
  8. 4.67 s

Without JavaScript

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

Scripts disabled
As rendered

4.6% of pixels differ — they are nearly identical. 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 13.18 s 13.18 s 13.18 s
CLS Cumulative Layout Shift 0.006 0.006 0.006
TBT Total Blocking Time 2.63 s 2.63 s 2.63 s
FCP First Contentful Paint 1.98 s 1.98 s 1.98 s
Speed Index 6.85 s 6.85 s 6.85 s
TTFB Time to First Byte 638 ms 638 ms 638 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 193 ms
resource load duration 80 ms
resource load delay 66 ms
time to first byte 19 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 2.74 s needs-improvement 71.7% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run 438 ms needs-improvement 48.9% good
CLS CWV 0 good 97.4% good
FCP 2.33 s needs-improvement 61.5% good
TTFB 688 ms good 79.1% good

Lab LCP vs Field LCP

Lab 13.18 s
Field p75 2.74 s

The lab LCP is 4.8× 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 2.74 s 438 ms 0 2.33 s 688 ms
2026-08-22 2.75 s 441 ms 0 2.33 s 687 ms
2026-08-15 2.76 s 445 ms 0 2.34 s 691 ms
2026-08-08 2.76 s 451 ms 0 2.35 s 691 ms
2026-08-01 2.74 s 423 ms 0.010 2.34 s 695 ms
2026-07-25 2.75 s 403 ms 0.010 2.35 s 715 ms
2026-07-18 2.78 s 408 ms 0.010 2.36 s 728 ms
2026-07-11 2.69 s 379 ms 0.010 2.29 s 707 ms
2026-07-04 2.70 s 389 ms 0.010 2.30 s 705 ms
2026-06-27 2.69 s 398 ms 0.010 2.29 s 691 ms
2026-06-20 2.70 s 390 ms 0.010 2.30 s 679 ms
2026-06-13 2.74 s 389 ms 0.010 2.32 s 657 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 5.97 MB 5.97 MB 5.97 MB
Requests 181 181 181
Third-party Weight 474 kB 474 kB 474 kB
Third-party CPU 345 ms 345 ms 345 ms
Unused JS 1.58 MB 1.58 MB 1.58 MB
Unused CSS 16.5 kB 16.5 kB 16.5 kB

By resource type

  • script 53.9% 3.22 MB · 92 req
  • image 24.9% 1.49 MB · 14 req
  • font 13.2% 790 kB · 22 req
  • other 4.4% 263 kB · 40 req
  • document 1.3% 76.1 kB · 4 req
  • stylesheet 1.2% 71.8 kB · 4 req
  • media 1% 62.4 kB · 1 req

Third parties 11 entities

474 kB transferred, 345 ms on the main thread.

Facebook script 211 kB · 209 ms CPU
TikTok script 169 kB · 83 ms CPU
LinkedIn Ads script 43.0 kB · 11 ms CPU
Snapchat 26.5 kB · 31 ms CPU
reddit 14.3 kB · 6 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 17.08 s 17.08 s 17.08 s
Long Tasks 20 20 20
DOM Elements 3,439 3,439 3,439
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 69 69 69
A11y Failures 3 3 3
A11y Failing Nodes 68 68 68

Main thread work

script evaluation 5.88 s
style layout 5.08 s
other 3.77 s
script parse compile 1.17 s
paint composite render 821 ms
parse HTML 221 ms
garbage collection 142 ms

Axe violations axe-core 4.13.0, full rule set

69 violating nodes across 4 rules, 1527 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 62 nodes
  • serious aria-hidden-focus — ARIA hidden element must not be focusable or contain focusable elements 5 nodes
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node
  • serious scrollable-region-focusable — Scrollable region must have keyboard access 1 node

Accessibility failures 3 of 32 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 62 nodes
  • aria-hidden-focus — `[aria-hidden="true"]` elements contain focusable descendents 5 nodes
  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 5 console errors

Measurement log

Every stored run for this URL, newest first.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 31, 2026, 9:03 PM UTC 38 13.18 s 0.006 2.63 s 5.97 MB 3/3 ±1 2,476 0% 83.2s