speedlify2

Lighthouse lab metrics and Chrome UX Report field data for a list of sites, recorded on every run and compared over time.

Measurement runs · Embed a score · Field data from the Chrome UX Report ·

singleservingsites.cool

https://singleservingsites.cool/

95 100 100 100 CWV 0AXE

Data from Aug 21, 2026, 6:48 AM UTC — 12h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 12h

Stack

Detected on the same page load as the accessibility pass — the generator from <meta name="generator"> or the shape of the page, the host from response headers.

Eleventy Built with Eleventy
Cloudflare Hosted by Cloudflare

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-07-23 → 2026-08-19). This is what Google measures you on.

LCP 1.19 s good
INP no data
CLS 0 good

Scores

95
Performance
no change
100
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 2.88 s 2.88 s 2.88 s
CLS Cumulative Layout Shift 0.001 0.001 0.001
TBT Total Blocking Time 12 ms 12 ms 12 ms
FCP First Contentful Paint 1.32 s 1.32 s 1.32 s
Speed Index 1.32 s 1.32 s 1.32 s
TTFB Time to First Byte 466 ms 466 ms 466 ms

What LCP is made of

A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.

resource load delay 162 ms
time to first byte 52 ms
element render delay 30 ms
resource load duration 26 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-07-23 → 2026-08-19). This is what Google measures you on.

Metric p75 Rating Distribution (good / needs work / poor)
LCP CWV 1.19 s good 95.3% good
CLS CWV 0 good 99.3% good
FCP 1.02 s good 95.1% good
TTFB 765 ms good 75% good

Lab vs field

Lab LCP 2.88 s · field p75 1.19 s · real users are 0.41× faster than the lab.

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-15 1.02 s 0 946 ms 798 ms
2026-08-08 1.04 s 0 915 ms 815 ms
2026-08-01 596 ms 0 491 ms 682 ms
2026-07-25 733 ms 0 581 ms 644 ms
2026-07-18 666 ms 0 540 ms 631 ms
2026-07-11 713 ms 0 605 ms 568 ms
2026-07-04 559 ms 0 476 ms 568 ms
2026-06-27 521 ms 0 439 ms 639 ms
2026-06-20 574 ms 0 452 ms 664 ms
2026-06-13 448 ms 0 379 ms 730 ms
2026-06-06 753 ms 0 682 ms 743 ms
2026-05-30 697 ms 0 502 ms 750 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 417.4 kB 417.4 kB 417.4 kB
Requests 22 22 22
Third-party Weight 11.5 kB 11.5 kB 11.5 kB
Third-party CPU 9 ms 9 ms 9 ms
Unused JS 0 B 0 B 0 B
Unused CSS 0 B 0 B 0 B

By resource type

image 348.8 kB · 16 req
document 48.4 kB · 1 req
script 11.5 kB · 1 req
other 8.8 kB · 4 req
third party 11.5 kB · 3 req

Third parties 2 entities

11.5 kB transferred, 9 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Cloudflare 11.5 kB · 9 ms CPU
cloudflareinsights.com 36 B · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 817 ms 817 ms 817 ms
Long Tasks 3 3 3
DOM Elements 6,315 6,315 6,315
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 0 0 0
A11y Failures 0 0 0
A11y Failing Nodes 0 0 0

Main thread work

style layout 320 ms
other 219 ms
script evaluation 141 ms
paint composite render 62 ms
parse HTML 48 ms
garbage collection 19 ms
script parse compile 7 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 1110 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 21, 2026, 6:48 AM UTC 95 2.88 s 0.001 12 ms 417.4 kB 3/3 ±4 2,434 25.9s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show singleservingsites.cool's scores, updated whenever this instance re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site!

<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://singleservingsites.cool/"></speedlify-score>