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 ·

polyglot-tech-blog.netlify.app

https://polyglot-tech-blog.netlify.app/

Data from Aug 21, 2026, 6:47 AM UTC — 11h old.

Build Awesome Starters · 1 measurement · since Aug 21, 2026 · last attempt 11h

This URL redirects to https://polyglot-tech-blog.netlify.app/en.

Lighthouse follows the redirect, so the numbers below describe the destination page, not this one. Not yet confirmed as a move; it needs to lead to the same place on several consecutive runs first.

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 2.0.1 Built with Eleventy 2.0.1
Netlify Hosted by Netlify

Scores

100
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 904 ms — — 904 ms 904 ms
CLS Cumulative Layout Shift 0 — — 0 0
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 838 ms — — 838 ms 838 ms
Speed Index 838 ms — — 838 ms 838 ms
TTFB Time to First Byte 604 ms — — 604 ms 604 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.

element render delay 41 ms
time to first byte 7 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 20.4 kB — — 20.4 kB 20.4 kB
Requests 15 — — 15 15
Third-party Weight 0 B — — 0 B 0 B
Third-party CPU 0 ms — — 0 ms 0 ms
Unused JS 0 B — — 0 B 0 B
Unused CSS 15.3 kB — — 15.3 kB 15.3 kB

By resource type

document 8.4 kB · 2 req
stylesheet 5.9 kB · 6 req
image 2.1 kB · 2 req
script 1.5 kB · 3 req
other 60 B · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 262 ms — — 262 ms 262 ms
Long Tasks 0 — — 0 0
DOM Elements 68 — — 68 68
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 1 — — 1 1
A11y Failures 0 — — 0 0
A11y Failing Nodes 0 — — 0 0

Main thread work

other 141 ms
style layout 53 ms
script evaluation 29 ms
paint composite render 21 ms
parse HTML 15 ms
script parse compile 3 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 370 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.

  • serious summary-name — Summary elements must have discernible text 1 node

Hygiene

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

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

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, 6:47 AM UTC 100 904 ms 0 0 ms 20.4 kB 3/3 ±0 2,491 22.3s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show polyglot-tech-blog.netlify.app'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://polyglot-tech-blog.netlify.app/"></speedlify-score>