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

htmlrecipes.dev

https://htmlrecipes.dev/

99 100 100 91 ✗AXE –CWV

Ranks Overall #1,092 Built Awesome #841

Data from Sep 5, 2026, 3:56 PM UTC old Measured once a week · 3 runs since Aug 20, 2026

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

Stack

Netlify Hosted by Netlify

Lighthouse Scores

99
Performance
↓ -1 (-1%)
100
Accessibility
no change
100
Best Practices
no change
91
SEO
no change

Metrics Lighthouse, mobile

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric Lab Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 1.63 s good ↑ +12 ms (+0.7%) 1.62 s – 1.70 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0 good → no change 0 – 0
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.63 s good ↑ +782 ms (+91.9%) 851 ms – 1.70 s
Speed Index 1.63 s good ↑ +782 ms (+91.9%) 851 ms – 1.70 s
TTFB Time to First Byte 606 ms good ↓ -21 ms (-3.3%) 606 ms – 636 ms

LCP Subparts lab observed, unthrottled

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

element render delay 71 ms
time to first byte 8 ms

Page weight

Metric Value Change / range Trend
Page Weight 14.0 kB ↓ -89 B (-0.6%) 14.0 kB – 14.1 kB
Requests 9 → no change 9 – 9
Third-party Weight 2.7 kB ↓ -3 B (-0.1%) 2.7 kB – 2.7 kB
Third-party CPU 3 ms ↑ +1 ms (+23.1%) 3 ms – 3 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • document 65.5% 9.2 kB · 1 req
  • stylesheet 15.5% 2.2 kB · 1 req
  • script 15.3% 2.2 kB · 1 req
  • other 3.7% 520 B · 1 req

Third parties 1 entities

2.7 kB transferred, 3 ms on the main thread.

Plausible scriptother 2.7 kB · 3 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 285 ms ↓ -19 ms (-6.3%) 278 ms – 304 ms
Long Tasks 1 → no change 1 – 1
DOM Elements 2,115 → no change 2,115 – 2,115
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 16 → no change 16 – 16
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

style layout 113 ms
other 104 ms
script evaluation 23 ms
parse HTML 23 ms
paint composite render 21 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

16 violating nodes across 4 rules, 3030 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious scrollable-region-focusable — Scrollable region must have keyboard access 13 nodes
  • moderate landmark-main-is-top-level — Main landmark should not be contained in another landmark 1 node
  • moderate landmark-no-duplicate-main — Document should not have more than one main landmark 1 node
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 5, 2026, 3:56 PM UTC 99 1.63 s 0 0 ms 14.0 kB 3/3 ±1 2,368 -5% 26.1s Wayback
Aug 29, 2026, 12:28 PM UTC 100 1.62 s 0 0 ms 14.1 kB 3/3 ±1 2,308 -7% 26.6s Wayback
Aug 20, 2026, 11:31 PM UTC 99 1.70 s 0 0 ms 14.1 kB 3/3 ±1 2,311 -7% 26.8s Wayback

Embed this score

Use this web component to show htmlrecipes.dev's scores on any website, updated whenever this instance re-measures. Don’t forget to bundle the speedlify2-score.js component code into your site! 

<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://htmlrecipes.dev/"></speedlify2-score>