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

bookstore.guide

https://bookstore.guide/

100 100 96 100 !AXE –CWV

Ranks Overall #629 11ty Emeritus

Data from Sep 4, 2026, 2:50 PM UTC old Measured once a week · 3 runs since Aug 20, 2026

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

Stack

Astro 6.2.2 Built with Astro 6.2.2
Self-hosted · nginx Hosted by Self-hosted

Lighthouse Scores

100
Performance
no change
100
Accessibility
no change
96
Best Practices
no change
100
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 1.74 s good ↑ +2 ms (+0.1%) 1.73 s – 1.74 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 964 ms good ↑ +5 ms (+0.5%) 959 ms – 964 ms
Speed Index 964 ms good ↑ +5 ms (+0.5%) 959 ms – 964 ms
TTFB Time to First Byte 766 ms good ↑ +6 ms (+0.8%) 760 ms – 766 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.

time to first byte 179 ms
element render delay 46 ms

Page weight

Metric Value Change / range Trend
Page Weight 15.3 kB ↑ +1 B 15.3 kB – 15.3 kB
Requests 4 → no change 4 – 4
Third-party Weight 3.2 kB ↑ +1 B 3.2 kB – 3.2 kB
Third-party CPU 2 ms ↓ -0 ms (-4%) 2 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 70.3% 7.5 kB · 1 req
  • script 25.7% 2.8 kB · 1 req
  • image 4% 434 B · 1 req

Third parties 1 entities

3.2 kB transferred, 2 ms on the main thread.

Fathom Analytics script 3.2 kB · 2 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 186 ms ↓ -6 ms (-3.1%) 186 ms – 191 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 464 → no change 464 – 464
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 1 – 1
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

other 73 ms
style layout 70 ms
script evaluation 20 ms
paint composite render 14 ms
parse HTML 8 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 853 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 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 4, 2026, 2:50 PM UTC 100 1.74 s 0 0 ms 15.3 kB 3/3 ±30 2,484 0% 27.9s Wayback
Aug 28, 2026, 1:49 PM UTC 100 1.74 s 0 0 ms 15.3 kB 3/3 ±22 2,478 0% 27.9s Wayback
Aug 20, 2026, 7:11 PM UTC 100 1.73 s 0 0 ms 15.3 kB 3/3 ±21 2,497 +1% 28.3s Wayback