zachleat.com/resume
https://www.zachleat.com/resume
Data from Aug 23, 2026, 3:21 PM UTC 6h old
zachleat.com #6 · 3 measurements · since Aug 21, 2026
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.
Core Web Vitals field data, origin-level
Real Chrome users, 28-day window (2026-07-25 → 2026-08-21). This is what Google measures you on.
Scores
Lab metrics Lighthouse, mobile
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| LCP Largest Contentful Paint | 2.11 s | 1.99 s | ↑ +122 ms (+6.1%) | 1.99 s | 2.54 s | |
| CLS Cumulative Layout Shift | 0.006 | 0.006 | → no change | 0.006 | 0.006 | |
| TBT Total Blocking Time | 0 ms | 0 ms | → no change | 0 ms | 0 ms | |
| FCP First Contentful Paint | 1.67 s | 987 ms | ↑ +683 ms (+69.2%) significant | 987 ms | 1.67 s | |
| Speed Index | 1.67 s | 987 ms | ↑ +683 ms (+69.2%) significant | 987 ms | 1.67 s | |
| TTFB Time to First Byte | 610 ms | 632 ms | ↓ -22 ms (-3.5%) | 610 ms | 632 ms |
What LCP is made of observed, unthrottled
A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.
Measured on the trace before throttling is modelled, so these are real durations that will not sum to the 2.11 s above — that figure is a simulation of the same load on a slow phone and connection. Read these for the proportions: which phase dominates.
Field data Chrome UX Report, origin-level
Real Chrome users, 28-day trailing window (2026-07-25 → 2026-08-21). This is what Google measures you on.
| Metric | p75 | Rating | Distribution (good / needs work / poor) |
|---|---|---|---|
| LCP CWV | 1.08 s | good | 93.1% good |
| CLS CWV | 0 | good | 98.5% good |
| FCP | 1.01 s | good | 93.7% good |
| TTFB | 693 ms | good | 81.8% good |
Lab vs field
Lab LCP 2.11 s · field p75 1.08 s · real users are 0.51× faster than the lab.
Field history 25 weeks
Weekly p75 from the CrUX History API, backfilled in a single request.
| Week ending | LCP | INP | CLS | FCP | TTFB |
|---|---|---|---|---|---|
| 2026-08-15 | 1.08 s | — | 0 | 1.01 s | 693 ms |
| 2026-08-08 | 1.15 s | — | 0 | 1.08 s | 703 ms |
| 2026-08-01 | 1.09 s | — | 0 | 1.04 s | 693 ms |
| 2026-07-25 | — | — | — | — | — |
| 2026-07-18 | — | — | — | — | — |
| 2026-07-11 | — | — | — | — | — |
| 2026-07-04 | — | — | — | — | — |
| 2026-06-27 | — | — | — | — | — |
| 2026-06-20 | — | — | — | — | — |
| 2026-06-13 | — | — | — | — | — |
| 2026-06-06 | — | — | — | — | — |
| 2026-05-30 | — | — | — | — | — |
Page weight
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Page Weight | 150 kB | 144 kB | ↑ +6.4 kB (+4.6%) | 141 kB | 150 kB | |
| Requests | 40 | 40 | → no change | 38 | 40 | |
| Third-party Weight | 19.9 kB | 10.7 kB | ↑ +9.0 kB (+85.9%) significant | 10.5 kB | 19.9 kB | |
| Third-party CPU | 3 ms | 2 ms | ↑ +1 ms (+54.5%) significant | 2 ms | 3 ms | |
| Unused JS | 0 B | 0 B | → no change | 0 B | 0 B | |
| Unused CSS | 11.1 kB | 11.1 kB | ↓ -62 B (-0.6%) | 11.1 kB | 11.1 kB |
By resource type
Third parties 4 entities
19.9 kB transferred, 3 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.
Page health
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Main Thread Work | 606 ms | 493 ms | ↑ +113 ms (+23%) | 493 ms | 606 ms | |
| Long Tasks | 1 | 1 | → no change | 1 | 1 | |
| DOM Elements | 574 | 525 | ↑ +49 (+9.3%) significant | 522 | 574 | |
| Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset | 0 | 0 | → no change | 0 | 0 | |
| A11y Failures | 0 | 1 | ↓ -1 (-100%) | 0 | 1 | |
| A11y Failing Nodes | 0 | 1 | ↓ -1 (-100%) | 0 | 1 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
0 violating nodes across 0 rules, 1117 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.
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 | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took |
|---|---|---|---|---|---|---|---|---|---|
| Aug 23, 2026, 3:21 PM UTC | 98 | 2.11 s | 0.006 | 0 ms | 150 kB | 3/3 | ±6 | 2,357 | 27.2s |
| Aug 22, 2026, 3:20 PM UTC | 99 | 1.99 s | 0.006 | 0 ms | 144 kB | 3/3 | ±7 | 2,503 | 27.8s |
| Aug 21, 2026, 2:43 PM UTC | 97 | 2.54 s | 0.006 | 0 ms | 141 kB | 3/3 | ±5 | 2,489 | 30.8s |
Embed this score
Live below, then the markup that produces it. Drop that on any page to show
zachleat.com/resume's scores, updated whenever this instance
re-measures — more about the component. Don’t forget to bundle the speedlify2-score.js component code into your site!
<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://www.zachleat.com/resume"></speedlify2-score>