markus-haack.com
Ranks Overall #223 Built Awesome #182
Data from Sep 5, 2026, 6:03 PM UTC old Measured once a week · 3 runs since Aug 21, 2026
Elsewhere:
PageSpeed Insights ·
Calibre ·
Treo ·
CrUX Vis ·
Scoring Calculator ·
Wayback Machine
Stack
Lighthouse Scores
Metrics Lighthouse, mobile Chrome UX Report
Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-07 → 2026-09-03), origin-level.
| Metric | Lab Lighthouse | Field Chrome UX Report | |||
|---|---|---|---|---|---|
| Value | Change / range | Trend | p75 | Distribution | |
| LCP CWV Largest Contentful Paint | 1.64 s good | ↓ -678 ms (-29.3%) 1.64 s – 2.31 s | 1.11 s good | 97.5% 1.8% 0.8% | |
| INP CWV Interaction to Next Paint — field only, no lab run can measure it | n/a | — | — | — | |
| CLS CWV Cumulative Layout Shift | 0 good | → no change 0 – 0 | 0 good | 99.3% 0.7% 0% | |
| TBT Total Blocking Time | 0 ms good | → no change 0 ms – 0 ms | n/a | — | |
| FCP First Contentful Paint | 1.64 s good | ↑ +717 ms (+77.9%) 920 ms – 1.66 s | 978 ms good | 94.3% 4.4% 1.4% | |
| Speed Index | 1.64 s good | ↑ +717 ms (+77.9%) 920 ms – 1.66 s | n/a | — | |
| TTFB Time to First Byte | 612 ms good | ↓ -8 ms (-1.3%) 612 ms – 623 ms | 573 ms good | 89.5% 9.8% 0.8% | |
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.
Lab LCP vs Field LCP Chrome UX Report
The lab LCP is 1.48× the field p75 — real users likely have above-average hardware or network connectivity.
Page weight
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Page Weight | 226 kB | ↓ -111 B 225 kB – 226 kB | |
| Requests | 15 | → no change 15 – 15 | |
| Third-party Weight | 4.8 kB | ↓ -53 B (-1.1%) 4.5 kB – 4.9 kB | |
| Third-party CPU | 3 ms | ↓ -1 ms (-15%) 3 ms – 4 ms | |
| Unused JS | 0 B | → no change 0 B – 0 B | |
| Unused CSS | 0 B | → no change 0 B – 0 B |
By resource type
- image 63.7% 144 kB · 4 req
- font 20.9% 47.2 kB · 2 req
- stylesheet 4.4% 9.9 kB · 1 req
- script 3.9% 8.8 kB · 3 req
- other 3.6% 8.1 kB · 4 req
- document 3.4% 7.8 kB · 1 req
Third parties 1 entities
4.8 kB transferred, 3 ms on the main thread.
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 252 ms | ↑ +20 ms (+8.6%) 232 ms – 265 ms | |
| Long Tasks | 0 | → no change 0 – 0 | |
| DOM Elements | 217 | → no change 217 – 217 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 0 | → no change 0 – 0 | |
| A11y Failures | 0 | → no change 0 – 0 | |
| A11y Failing Nodes | 0 | → no change 0 – 0 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
0 violating nodes across 0 rules, 476 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
Hygiene
Measurement log
Field history 25 weeks
Weekly p75 from the CrUX History API, backfilled in a single request.
| Week ending | LCP | INP | CLS | FCP | TTFB |
|---|---|---|---|---|---|
| 2026-09-05 | 1.18 s | — | 0 | 1.04 s | 557 ms |
| 2026-08-29 | 1.11 s | — | 0 | 967 ms | 589 ms |
| 2026-08-22 | 1.10 s | — | 0 | 908 ms | 598 ms |
| 2026-08-15 | 1.23 s | — | 0 | 977 ms | 644 ms |
| 2026-08-08 | 1.21 s | — | 0 | 958 ms | 629 ms |
| 2026-08-01 | 1.23 s | — | 0 | 952 ms | 598 ms |
| 2026-07-25 | 1.19 s | — | 0 | 961 ms | 567 ms |
| 2026-07-18 | 1.18 s | — | 0 | 942 ms | 552 ms |
| 2026-07-11 | 1.18 s | — | 0 | 974 ms | 569 ms |
| 2026-07-04 | 1.18 s | — | 0 | 1.01 s | 552 ms |
| 2026-06-27 | 1.18 s | — | 0 | 1.04 s | 614 ms |
| 2026-06-20 | 1.17 s | — | 0 | 1.01 s | 614 ms |
Runs
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 5, 2026, 6:03 PM UTC | 99 | 1.64 s | 0 | 0 ms | 226 kB | 3/3 | ±2 | 2,236 -10% | 24.9s |
|
|
| Aug 29, 2026, 5:06 PM UTC | 98 | 2.31 s | 0 | 0 ms | 226 kB | 3/3 | ±5 | 2,649 +7% | 26.5s |
|
|
| Aug 21, 2026, 3:12 AM UTC | 99 | 1.66 s | 0 | 0 ms | 225 kB | 3/3 | ±4 | 2,325 -6% | 25.6s |
|
Embed this score
Use this web component to show markus-haack.com'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://markus-haack.com/"></speedlify2-score>