conference.matrix.org
https://conference.matrix.org/
Ranks Overall #1,085 Astro Showcase #89
Data from Oct 2, 2026, 6:50 AM UTC old Measured once a month · 1 run since Oct 2, 2026
Elsewhere:
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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
Lighthouse Scores LAB Simulated
Metrics LAB FIELD
Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-02 → 2026-09-29), url-level.
| Metric | Lab Simulated | Field | |||
|---|---|---|---|---|---|
| Value | Change / range | Trend | p75 | Distribution | |
| LCP CWV Largest Contentful Paint | 3.29 s needs work | — 3.29 s – 3.29 s | 2.53 s needs work | 74% 17.9% 8.1% | |
| INP CWV Interaction to Next Paint — field only, no lab run can measure it | n/a | — | 113 ms good site-wide | 85.3% 10.2% 4.5% | |
| CLS CWV Cumulative Layout Shift | 0 good | — 0 – 0 | 0 good | 98% 0.7% 1.4% | |
| TBT Total Blocking Time | 21 ms good | — 21 ms – 21 ms | n/a | — | |
| FCP First Contentful Paint | 2.61 s needs work | — 2.61 s – 2.61 s | 2.24 s needs work | 67% 20.2% 12.9% | |
| Speed Index | 2.93 s good | — 2.93 s – 2.93 s | n/a | — | |
| TTFB Time to First Byte | 614 ms good | — 614 ms – 614 ms | 457 ms good site-wide | 89% 8.3% 2.7% | |
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.
LCP LAB Simulated vs LCP FIELD
The lab LCP is 1.3× the field p75 — real users likely have above-average hardware or network connectivity.
Page weight
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Page Weight | 440 kB | — 440 kB – 440 kB | |
| Requests | 18 | — 18 – 18 | |
| Third-party Weight | 70.9 kB | — 70.9 kB – 70.9 kB | |
| Third-party CPU | 13 ms | — 13 ms – 13 ms | |
| Unused JS | 171 kB | — 171 kB – 171 kB | |
| Unused CSS | 0 B | — 0 B – 0 B |
By resource type
| Type | Transfer | Share | Size | Requests |
|---|---|---|---|---|
| script | 53% | 233 kB | 4 | |
| image | 42.9% | 189 kB | 9 | |
| stylesheet | 2.4% | 10.4 kB | 2 | |
| document | 1.4% | 6.1 kB | 1 | |
| other | 0.4% | 1.8 kB | 2 | |
| Total | 440 kB | 18 |
Third parties 2 entities
| Entity | Transfer | Size | Main thread Simulated |
|---|---|---|---|
| pretix.eu | 68.5 kB | 11 ms | |
| Plausible | 2.4 kB | 2 ms | |
| Total | 70.9 kB | 13 ms |
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 467 ms | — 467 ms – 467 ms | |
| Long Tasks | 1 | — 1 – 1 | |
| DOM Elements | 191 | — 191 – 191 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 2 | — 2 – 2 | |
| A11y Failures | 1 | — 1 – 1 | |
| A11y Failing Nodes | 1 | — 1 – 1 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| other | 35% | 164 ms | |
| style layout | 22% | 103 ms | |
| script parse compile | 17% | 81 ms | |
| script evaluation | 17% | 81 ms | |
| paint composite render | 5% | 21 ms | |
| parse HTML | 3% | 13 ms | |
| garbage collection | 1% | 4 ms | |
| Total | 467 ms |
Axe violations axe-core 4.13.0, full rule set
2 violating nodes across 2 rules, 364 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
-
serious
html-has-lang— <html> element must have a lang attribute 1 nodeOffending element
-
html<html>
-
-
moderate
region— All page content should be contained by landmarks 1 nodeOffending element
-
.content-grid<div class="content-grid" data-astro-cid-sz7xmlte="">
-
Accessibility failures 1 of 16 audits
-
html-has-lang— `<html>` element does not have a `[lang]` attribute 1 node
SEO failures 1 of 9 audits
-
link-text— Links do not have descriptive text 1 item
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 |
|---|---|---|---|---|---|
| 2026-09-26 | 2.53 s | 110 ms | 0 | 2.24 s | 447 ms |
| 2026-09-19 | 2.26 s | 119 ms | 0 | 2.15 s | 490 ms |
| 2026-09-12 | 2.21 s | 108 ms | 0 | 2.17 s | 494 ms |
| 2026-09-05 | 2.07 s | — | 0 | 2.03 s | 490 ms |
| 2026-08-29 | 2.04 s | — | 0 | 1.97 s | 497 ms |
| 2026-08-22 | 2.07 s | 85 ms | 0 | 2.32 s | 524 ms |
| 2026-08-15 | 2.67 s | 87 ms | 0 | 2.43 s | 576 ms |
| 2026-08-08 | 2.72 s | — | 0 | 2.61 s | 600 ms |
| 2026-08-01 | 2.40 s | — | 0 | 2.32 s | 507 ms |
| 2026-07-25 | 2.38 s | — | 0 | 2.33 s | 506 ms |
| 2026-07-18 | 2.22 s | — | 0 | 2.18 s | 506 ms |
| 2026-07-11 | 2.85 s | — | 0 | 2.56 s | 553 ms |
Runs
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026, 6:50 AM UTC | 88 | 3.29 s | 0 | 21 ms | 440 kB | 3/3 | ±2 | 2,463 -1% | 27s |
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