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

designsystem.webstandards.ca.gov

https://designsystem.webstandards.ca.gov/

84 95 100 100 !AXE CWV

Ranks Overall #860 Built Awesome #676

Data from Sep 4, 2026, 6:08 PM UTC old Measured once a week · 3 runs since Aug 20, 2026

Test elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis

This URL redirects to https://designsystem.ca.gov/.

Lighthouse follows the redirect, so the numbers below describe the destination page, not this one. The redirect is temporary (302/303/307), so it is treated as a detour rather than a move and history stays here.

Lighthouse Scores

84
Performance
↑ +2 (+2.4%)
95
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 3.22 s 3.26 s ↓ -40 ms (-1.2%) 3.22 s 3.89 s
CLS Cumulative Layout Shift 0.037 0.037 → no change 0.037 0.037
TBT Total Blocking Time 165 ms 214 ms ↓ -49 ms (-22.9%) 165 ms 241 ms
FCP First Contentful Paint 3.22 s 3.26 s ↓ -40 ms (-1.2%) 3.21 s 3.26 s
Speed Index 3.22 s 3.26 s ↓ -40 ms (-1.2%) 3.21 s 3.26 s
TTFB Time to First Byte 621 ms 673 ms ↓ -52 ms (-7.7%) 606 ms 673 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 73 ms
time to first byte 26 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 373 kB 370 kB ↑ +2.8 kB (+0.8%) 368 kB 373 kB
Requests 9 9 → no change 9 9
Third-party Weight 362 kB 359 kB ↑ +2.8 kB (+0.8%) 357 kB 362 kB
Third-party CPU 81 ms 94 ms ↓ -13 ms (-13.5%) 81 ms 100 ms
Unused JS 145 kB 145 kB ↑ +75 B (+0.1%) 142 kB 145 kB
Unused CSS 0 B 0 B → no change 0 B 0 B

By resource type

  • script 88.2% 325 kB · 2 req
  • font 9.8% 35.9 kB · 1 req
  • image 0.8% 2.8 kB · 1 req
  • stylesheet 0.8% 2.8 kB · 2 req
  • document 0.5% 1.7 kB · 1 req
  • other <0.1% 151 B · 1 req

Third parties 2 entities

362 kB transferred, 81 ms on the main thread.

Google Tag Manager script 325 kB · 81 ms CPU
Google Fonts 37.2 kB · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 497 ms 522 ms ↓ -25 ms (-4.8%) 497 ms 563 ms
Long Tasks 3 3 → no change 3 3
DOM Elements 28 28 → no change 28 28
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 1 → no change 1 1
A11y Failures 1 1 → no change 1 1
A11y Failing Nodes 1 1 → no change 1 1

Main thread work

script evaluation 273 ms
other 95 ms
script parse compile 64 ms
style layout 42 ms
garbage collection 12 ms
parse HTML 6 ms
paint composite render 5 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 68 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious aria-hidden-focus — ARIA hidden element must not be focusable or contain focusable elements 1 node

Accessibility failures 1 of 18 audits

  • aria-hidden-focus — `[aria-hidden="true"]` elements contain focusable descendents 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
Sep 4, 2026, 6:08 PM UTC 84 3.22 s 0.037 165 ms 373 kB 3/3 ±11 3,236 +30% 20.6s
Aug 28, 2026, 5:32 PM UTC 82 3.26 s 0.037 214 ms 370 kB 3/3 ±1 2,341 -6% 22.2s
Aug 20, 2026, 8:30 PM UTC 77 3.89 s 0.037 241 ms 368 kB 3/3 ±5 2,493 +1% 21.6s

Embed this score

Use this web component to show designsystem.webstandards.ca.gov'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://designsystem.webstandards.ca.gov/"></speedlify2-score>