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

vuepress.vuejs.org

https://vuepress.vuejs.org/

96 96 100 100 !AXE –CWV

Ranks Overall #718 Developer Tooling #12 Site Generators #5

Data from Sep 7, 2026, 3:02 PM UTC old Measured every 2 days · 12 runs since Aug 21, 2026

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

Stack

VuePress 2.0.0 Built with VuePress 2.0.0
Netlify Hosted by Netlify

Lighthouse Scores

96
Performance
no change
96
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

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 2.49 s 2.71 s ↓ -219 ms (-8.1%) 2.28 s 2.93 s
CLS Cumulative Layout Shift 0 0 → no change 0 0
TBT Total Blocking Time 120 ms 49 ms ↑ +71 ms (+144.9%) 21 ms 176 ms
FCP First Contentful Paint 1.36 s 1.35 s ↑ +6 ms (+0.4%) 933 ms 1.41 s
Speed Index 1.36 s 1.35 s ↑ +6 ms (+0.4%) 933 ms 1.41 s
TTFB Time to First Byte 611 ms 605 ms ↑ +6 ms (+1%) 605 ms 633 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 51 ms
time to first byte 35 ms
resource load duration 32 ms
resource load delay 10 ms

Field data

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-03-28 → 2026-09-05 No data — 24 weeks under the CrUX reporting threshold
2026-03-21 1.63 s — 0 1.43 s 813 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 792 kB 788 kB ↑ +3.3 kB (+0.4%) 786 kB 792 kB
Requests 81 81 → no change 81 81
Third-party Weight 167 kB 164 kB ↑ +2.4 kB (+1.5%) 163 kB 167 kB
Third-party CPU 57 ms 37 ms ↑ +20 ms (+55%) significant 37 ms 60 ms
Unused JS 99.0 kB 98.4 kB ↑ +684 B (+0.7%) 96.4 kB 99.1 kB
Unused CSS 13.0 kB 13.0 kB ↓ -14 B (-0.1%) 13.0 kB 13.2 kB

By resource type

  • other 47.6% 377 kB · 73 req
  • script 30.3% 240 kB · 3 req
  • image 19.5% 154 kB · 1 req
  • stylesheet 2.1% 16.5 kB · 1 req
  • document 0.6% 4.5 kB · 1 req

Third parties 1 entities

167 kB transferred, 57 ms on the main thread.

Google Tag Manager script 167 kB · 57 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 934 ms 745 ms ↑ +189 ms (+25.3%) significant 577 ms 1.10 s
Long Tasks 5 5 → no change 3 6
DOM Elements 356 356 → no change 356 356
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 2 → no change 2 2
A11y Failures 1 1 → no change 1 1
A11y Failing Nodes 2 2 → no change 2 2

Main thread work

script evaluation 457 ms
other 272 ms
style layout 116 ms
script parse compile 51 ms
parse HTML 30 ms
paint composite render 7 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 1 rule, 218 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 2 nodes

Accessibility failures 1 of 24 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 2 nodes

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 7, 2026, 3:02 PM UTC 96 2.49 s 0 120 ms 792 kB 3/3 ±9 2,239 -10% 23.3s Wayback
Sep 5, 2026, 3:27 AM UTC 96 2.71 s 0 49 ms 788 kB 3/3 ±10 2,976 +20% 21.6s Wayback
Sep 4, 2026, 1:05 AM UTC 97 2.50 s 0 63 ms 787 kB 3/3 ±20 3,141 +27% 23.7s Wayback
Sep 2, 2026, 11:12 PM UTC 97 2.34 s 0 113 ms 788 kB 3/3 ±20 2,805 +13% 23.7s Wayback
Sep 1, 2026, 8:50 PM UTC 97 2.43 s 0 21 ms 788 kB 3/3 ±5 3,642 +47% 22.7s Wayback
Aug 31, 2026, 6:05 PM UTC 95 2.71 s 0 113 ms 788 kB 3/3 ±10 2,279 -8% 25.9s Wayback
Aug 26, 2026, 2:01 PM UTC 96 2.57 s 0 98 ms 787 kB 3/3 ±2 2,611 +5% 23.7s Wayback
Aug 25, 2026, 10:40 AM UTC 95 2.63 s 0 144 ms 786 kB 3/3 ±25 2,216 -11% 23.9s Wayback
Aug 24, 2026, 9:54 AM UTC 92 2.93 s 0 176 ms 787 kB 3/3 ±27 2,499 +1% 25.5s Wayback
Aug 23, 2026, 9:27 AM UTC 97 2.28 s 0 123 ms 787 kB 3/3 ±28 2,467 -1% 26.2s Wayback
Aug 22, 2026, 9:25 AM UTC 95 2.56 s 0 139 ms 788 kB 3/3 ±9 2,334 -6% 23.7s Wayback
Aug 21, 2026, 8:47 AM UTC 97 2.35 s 0 82 ms 787 kB 3/3 ±21 2,851 +15% 23.7s Wayback