speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Follow us on Mastodon or Bluesky.

Charts Compare Measurement runs Embed a score Open to Work

singleservingsites.cool

https://singleservingsites.cool/

99PERF 100A11Y 100BEST 100SEO βœ“AXE βœ“CWV

Ranks Overall #220 Built Awesome #175

Data from Oct 4, 2026, 7:19 PM UTC old Measured once a week Β· 7 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights Β· Calibre Β· Treo Β· CrUX Vis Β· Tame the Bots Β· Scoring Calculator Β· Wayback Machine

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Eleventy Built with Eleventy
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

99
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

Core Web Vitals: passing 2 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-05 → 2026-10-02), url-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 2.09 s good ↑ +69 ms (+3.4%) 1.85 s – 2.88 s 839 ms good 97.5% 1.8% 0.7%
INP CWV Interaction to Next Paint β€” field only, no lab run can measure it n/a — — —
CLS CWV Cumulative Layout Shift 0.001 good β†’ no change 0 – 0.001 0 good 98.6% 0% 1.4%
TBT Total Blocking Time 10 ms good ↓ -29 ms (-74.4%) 0 ms – 39 ms n/a —
FCP First Contentful Paint 1.37 s good ↑ +45 ms (+3.4%) 1.18 s – 1.37 s 612 ms good 96.4% 2.9% 0.7%
Speed Index 1.37 s good ↑ +45 ms (+3.4%) 1.18 s – 1.37 s n/a —
TTFB Time to First Byte 476 ms good ↑ +8 ms (+1.7%) 466 ms – 683 ms 713 ms good 77.8% 18.9% 3.3%

LCP Subparts LAB Unthrottled

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

element render delay 147 ms
time to first byte 108 ms
resource load duration 27 ms
resource load delay 13 ms

LCP LAB Simulated vs LCP FIELD

Lab 2.09 s
Field p75 839 ms

The lab LCP is 2.49Γ— the field p75 β€” real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 261 kB ↑ +23 B 245 kB – 417 kB
Requests 15 β†’ no change 15 – 22
Third-party Weight 10.2 kB ↓ -1 B 9.6 kB – 11.5 kB
Third-party CPU 10 ms ↑ +1 ms (+6.2%) 6 ms – 12 ms
Unused JS 0 B β†’ no change 0 B – 0 B
Unused CSS 0 B β†’ no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 74.1% 193 kB 9
document 18.7% 48.8 kB 1
script 3.9% 10.2 kB 1
other 3.4% 8.8 kB 4
Total 261 kB 15

Third parties 2 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.2 kB 10 ms
cloudflareinsights.com 36 B 0 ms
Total 10.2 kB 10 ms

Page health

Metric Value Change / range Trend
Main Thread Work 821 ms ↑ +18 ms (+2.3%) 275 ms – 821 ms
Long Tasks 3 β†’ no change 1 – 3
DOM Elements 5,942 ↑ +1120 (+23.2%) 495 – 6,315
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 β†’ no change 0 – 0
A11y Failures 0 β†’ no change 0 – 0
A11y Failing Nodes 0 β†’ no change 0 – 0

Main thread work

Task Time Share Duration Simulated
style layout 39% 318 ms
other 27% 225 ms
script evaluation 16% 133 ms
paint composite render 11% 90 ms
parse HTML 6% 49 ms
script parse compile 1% 6 ms
Total 821 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 1110 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-26 779 ms 73 ms 0 600 ms 789 ms
2026-09-19 735 ms 74 ms 0 561 ms 789 ms
2026-09-12 816 ms 71 ms 0 612 ms 851 ms
2026-09-05 705 ms β€” 0 522 ms 781 ms
2026-08-29 1.19 s β€” 0 1.01 s 765 ms
2026-08-22 1.24 s β€” 0 1.05 s 810 ms
2026-08-15 1.02 s β€” 0 946 ms 798 ms
2026-08-08 1.04 s β€” 0 915 ms 815 ms
2026-08-01 596 ms β€” 0 491 ms 682 ms
2026-07-25 733 ms β€” 0 581 ms 644 ms
2026-07-18 666 ms β€” 0 540 ms 631 ms
2026-07-11 713 ms β€” 0 605 ms 568 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 4, 2026, 7:19 PM UTC 99 2.09 s 0.001 10 ms 261 kB 3/3 Β±4 2,485 0% 26.5s Wayback
Sep 27, 2026, 5:37 PM UTC 99 2.02 s 0.001 39 ms 261 kB 3/3 Β±11 2,491 0% 24.7s Wayback
Sep 20, 2026, 2:37 PM UTC 99 1.85 s 0 0 ms 261 kB 3/3 Β±3 2,981 +20% 22.6s Wayback
Sep 13, 2026, 1:51 PM UTC 99 2.02 s 0.001 28 ms 246 kB 3/3 Β±11 2,499 +1% 24.8s Wayback
Sep 6, 2026, 10:26 AM UTC 99 1.89 s 0.001 9 ms 246 kB 3/3 Β±5 2,482 0% 25s Wayback
Aug 30, 2026, 8:01 AM UTC 99 1.91 s 0 0 ms 245 kB 3/3 Β±0 3,599 +45% 23.4s Wayback
Aug 21, 2026, 6:48 AM UTC 95 2.88 s 0.001 12 ms 417 kB 3/3 Β±4 2,434 -2% 25.9s Wayback

Embed this score

Use this web component to show singleservingsites.cool'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://singleservingsites.cool/"></speedlify2-score>