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

qwik.dev

https://qwik.dev/

97 96 58 92 !AXE CWV

Ranks Overall #955 Developer Tooling #28 Frameworks and Libraries #6

Data from Sep 7, 2026, 2:56 PM UTC old Measured every 2 days · 12 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Wayback Machine

Stack

Qwik Built with Qwik
Cloudflare Hosted by Cloudflare

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-08-09 → 2026-09-05).

LCP 1.64 s good
INP 46 ms good
CLS 0 good

Lighthouse Scores

97
Performance
no change
96
Accessibility
no change
58
Best Practices
no change
92
SEO
no change

Filmstrip Lighthouse, mobile

How the page drew during the measured load, at 8 points across 3.00 s.

  1. 375 ms
  2. 750 ms
  3. 1.13 s
  4. 1.50 s
  5. 1.88 s
  6. 2.25 s
  7. 2.63 s
  8. 3.00 s

Without JavaScript

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

Scripts disabled
As rendered

0% of pixels differ — they are 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 2.11 s 2.12 s ↓ -10 ms (-0.5%) 1.87 s 2.42 s
CLS Cumulative Layout Shift 0 0 → no change 0 0
TBT Total Blocking Time 104 ms 63 ms ↑ +41 ms (+65.1%) 4 ms 291 ms
FCP First Contentful Paint 2.02 s 1.97 s ↑ +49 ms (+2.5%) 1.87 s 2.14 s
Speed Index 2.02 s 1.97 s ↑ +49 ms (+2.5%) 1.87 s 2.55 s
TTFB Time to First Byte 452 ms 458 ms ↓ -6 ms (-1.3%) 452 ms 1.06 s

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 89 ms
time to first byte 32 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-08-09 → 2026-09-05).

Metric p75 Rating Distribution (good / needs work / poor)
LCP CWV 1.64 s good 90.6% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run 46 ms good 99.1% good
CLS CWV 0 good 95.6% good
FCP 1.62 s good 81.1% good
TTFB 1.18 s needs-improvement 50% good

Lab LCP vs Field LCP

Lab 2.11 s
Field p75 1.64 s

The lab LCP is 1.28× 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
2026-09-05 1.64 s 46 ms 0 1.62 s 1.18 s
2026-08-29 1.71 s 46 ms 0 1.61 s 1.16 s
2026-08-22 1.71 s 48 ms 0 1.61 s 1.13 s
2026-08-15 1.84 s 49 ms 0 1.68 s 1.16 s
2026-08-08 1.82 s 58 ms 0 1.66 s 1.15 s
2026-08-01 1.75 s 61 ms 0 1.66 s 1.19 s
2026-07-25 1.54 s 62 ms 0 1.55 s 1.16 s
2026-07-18 1.65 s 57 ms 0 1.58 s 1.21 s
2026-07-11 1.54 s 51 ms 0 1.56 s 1.11 s
2026-07-04 1.47 s 57 ms 0 1.52 s 1.08 s
2026-06-27 1.59 s 59 ms 0 1.58 s 1.07 s
2026-06-20 1.47 s 61 ms 0 1.46 s 1.07 s

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 2.20 MB 2.20 MB ↓ -242 B 2.20 MB 2.34 MB
Requests 452 452 → no change 445 468
Third-party Weight 10.2 kB 10.2 kB → no change 9.6 kB 11.5 kB
Third-party CPU 7 ms 9 ms ↓ -2 ms (-20.4%) 3 ms 9 ms
Unused JS 0 B 0 B → no change 0 B 65.3 kB
Unused CSS 0 B 0 B → no change 0 B 0 B

By resource type

  • image 48.6% 1.07 MB · 11 req
  • script 30.9% 679 kB · 196 req
  • other 17.3% 380 kB · 239 req
  • document 2.1% 45.5 kB · 2 req
  • font 1.1% 25.2 kB · 3 req

Third parties 1 entities

10.2 kB transferred, 7 ms on the main thread.

Cloudflare script 10.2 kB · 7 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 2.34 s 1.62 s ↑ +719 ms (+44.4%) significant 1.62 s 6.35 s
Long Tasks 3 2 ↑ +1 (+50%) 1 6
DOM Elements 740 740 → no change 740 740
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 4 → no change 4 6
A11y Failures 1 1 → no change 1 1
A11y Failing Nodes 3 3 → no change 3 3

Main thread work

other 1.29 s
script evaluation 794 ms
style layout 93 ms
script parse compile 65 ms
parse HTML 54 ms
paint composite render 38 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 2 rules, 1089 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 3 nodes
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node

Accessibility failures 1 of 25 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 3 nodes

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 7, 2026, 2:56 PM UTC 97 2.11 s 0 104 ms 2.20 MB 3/3 ±0 2,308 -7% 36.7s Wayback
Sep 5, 2026, 3:15 AM UTC 97 2.12 s 0 63 ms 2.20 MB 3/3 ±0 3,082 +24% 32.1s Wayback
Sep 4, 2026, 12:55 AM UTC 97 2.11 s 0 68 ms 2.22 MB 3/3 ±1 3,329 +34% 34.2s Wayback
Sep 2, 2026, 11:02 PM UTC 97 2.01 s 0 67 ms 2.20 MB 3/3 ±11 2,773 +12% 36.6s Wayback
Sep 1, 2026, 8:40 PM UTC 97 2.10 s 0 4 ms 2.20 MB 3/3 ±57 3,514 +42% 35.9s Wayback
Aug 31, 2026, 5:58 PM UTC 96 2.30 s 0 20 ms 2.20 MB 3/3 ±1 2,303 -7% 37.2s Wayback
Aug 26, 2026, 1:09 PM UTC 97 2.07 s 0 87 ms 2.20 MB 3/3 ±1 2,469 0% 36.8s Wayback
Aug 25, 2026, 9:52 AM UTC 97 2.11 s 0 81 ms 2.20 MB 3/3 ±1 2,245 -9% 36.9s Wayback
Aug 24, 2026, 6:56 AM UTC 94 2.10 s 0 217 ms 2.33 MB 3/3 ±19 3,090 +25% 38.8s Wayback
Aug 23, 2026, 6:38 AM UTC 93 2.06 s 0 220 ms 2.34 MB 3/3 ±16 2,475 0% 42.3s Wayback
Aug 22, 2026, 6:38 AM UTC 90 2.42 s 0 291 ms 2.34 MB 3/3 ±17 2,340 -6% 41.5s Wayback
Aug 21, 2026, 5:31 AM UTC 97 1.87 s 0 113 ms 2.34 MB 3/3 ±2 2,376 -4% 39.7s Wayback