speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Follow us on Mastodon or Bluesky.

Charts Compare Measurement runs Embed a score Open to Work

todoist.com/help

https://www.todoist.com/help

52PERF 87A11Y 77BEST 100SEO ✗AXE !CWV

Ranks Overall #1,696 Astro Showcase #196

Data from Oct 2, 2026, 7:10 PM UTC old Measured once a month · 1 run since Oct 2, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Tame the Bots · Scoring Calculator · 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

Astro Built with Astro
Uses ReactReactLit 2.8.0Lit 2.8.0

Lighthouse Scores LAB Simulated

52
Performance
no change
87
Accessibility
no change
77
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

Core Web Vitals: failing 3 of 3 assessed from real Chrome users.

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 4.61 s poor — 4.61 s – 4.61 s 2.22 s good 78.9% 11.1% 10%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 261 ms needs work 65% 24.2% 10.8%
CLS CWV Cumulative Layout Shift 0.065 good — 0.065 – 0.065 0.020 good 95.2% 4.8% 0%
TBT Total Blocking Time 1.53 s poor — 1.53 s – 1.53 s n/a —
FCP First Contentful Paint 2.83 s needs work — 2.83 s – 2.83 s 2.40 s needs work 62.6% 17.6% 19.8%
Speed Index 2.83 s good — 2.83 s – 2.83 s n/a —
TTFB Time to First Byte 608 ms good — 608 ms – 608 ms 1.71 s needs work 52.2% 24.6% 23.2%

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.

element render delay 216 ms
time to first byte 96 ms

LCP LAB Simulated vs LCP FIELD

Lab 4.61 s
Field p75 2.22 s

The lab LCP is 2.07× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 2.07 MB — 2.07 MB – 2.07 MB
Requests 119 — 119 – 119
Third-party Weight 1.27 MB — 1.27 MB – 1.27 MB
Third-party CPU 739 ms — 739 ms – 739 ms
Unused JS 533 kB — 533 kB – 533 kB
Unused CSS 10.7 kB — 10.7 kB – 10.7 kB

By resource type

Type Transfer Share Size Requests
script 75.9% 1.56 MB 64
font 14% 288 kB 6
other 3.4% 69.1 kB 21
stylesheet 2.8% 58.3 kB 1
document 2% 40.5 kB 2
image 1.9% 38.8 kB 7
Total 2.07 MB 119

Third parties 19 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 544 kB 316 ms
Facebook script 265 kB 143 ms
TikTok script 157 kB 45 ms
Osano CMP script 87.6 kB 116 ms
Amazon Web Services 56.9 kB 7 ms
All 19 1.27 MB 739 ms

Page health

Metric Value Change / range Trend
Main Thread Work 5.24 s — 5.24 s – 5.24 s
Long Tasks 20 — 20 – 20
DOM Elements 889 — 889 – 889
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 10 — 10 – 10
A11y Failures 4 — 4 – 4
A11y Failing Nodes 9 — 9 – 9

Main thread work

Task Time Share Duration Simulated
script evaluation 62% 3.23 s
other 18% 940 ms
script parse compile 9% 483 ms
style layout 7% 385 ms
garbage collection 2% 90 ms
parse HTML 1% 62 ms
paint composite render 1% 50 ms
Total 5.24 s

Axe violations axe-core 4.13.0, full rule set

10 violating nodes across 5 rules, 928 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 6 nodes
    Offending elements (5 of 6)
    1. div > ._body-sm_qx30j_223
      <p class="_text_qx30j_1 _body-sm_qx30j_223">Get ready to turn thinking into doing. <a class="_text_qx30j_1 _inherit_qx30j_29 _link_1x4gc_1" href="/ramble" rel="noopener noreferrer" target="_blank">Me…
    2. ._link_1x4gc_1
      <a class="_text_qx30j_1 _inherit_qx30j_29 _link_1x4gc_1" href="/ramble" rel="noopener noreferrer" target="_blank">Meet Ramble</a>
    3. article[data-theme="todoist"] > .product-card__header.pi-24.pb-24 > .stack[data-astro-cid-gwobdmqt="true"] > .stack--exception-4.text--body-2xs.text--medium
      <p data-astro-cid-gwobdmqt="true" class="text text--body-2xs text--medium stack--exception-4 display-onlight-tertiary"> Capture, plan, and finish your work </p>
    4. article[data-theme="automations"] > .product-card__header.pi-24.pb-24 > .stack[data-astro-cid-gwobdmqt="true"] > .stack--exception-4.text--body-2xs.text--medium
      <p data-astro-cid-gwobdmqt="true" class="text text--body-2xs text--medium stack--exception-4 display-onlight-tertiary"> Describe a workflow, and it runs </p>
    5. .text--body-2xs.text--semibold.display-onlight-tertiary
      <p class="text text--body-2xs text--semibold display-onlight-tertiary"> Engage Awards Finalist<br> 2025 </p>
  • serious aria-command-name — ARIA commands must have an accessible name 1 node
    Offending element
    1. ._overlay_1d1qk_6
      <div role="button" class="_overlay_1d1qk_6" tabindex="-1"></div>
  • serious label-title-only — Form elements should have a visible label 1 node
    Offending element
    1. #article-search
      <input type="search" placeholder="Search" class="_input_1vye5_45 _text_qx30j_1 _body-base_qx30j_205 _withIcon_1vye5_69 _withAction_1vye5_73 _input_ukqb5_1" id="article-search" aria-describedby="artic…
  • serious list — <ul> and <ol> must only directly contain <li>, <script> or <template> elements 1 node
    Offending element
    1. ._hidden-gt-lg_snh3y_36._hidden_snh3y_1 > ._end_l56yj_11._navbarSection_l56yj_1 > ._navbarItemGroup_ue8ah_1
      <ul class="_navbarItemGroup_ue8ah_1" style="--navbar-item-group-gap:var(--space-4)">
  • serious listitem — <li> elements must be contained in a <ul> or <ol> 1 node
    Offending element
    1. ._hidden-gt-lg_snh3y_36._hidden_snh3y_1 > ._end_l56yj_11._navbarSection_l56yj_1 > ._navbarItemGroup_ue8ah_1 > astro-slot[name="langPicker"] > .lang-picker[data-astro-cid-2jbx7wes=""]
      <li class="lang-picker" data-astro-cid-2jbx7wes="">

Accessibility failures 4 of 30 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 6 nodes
  • aria-command-name — `button`, `link`, and `menuitem` elements do not have accessible names. 1 node
  • list — Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). 1 node
  • listitem — List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. 1 node

Best Practices failures 2 of 19 audits

  • third-party-cookies — Uses third-party cookies 11 items
  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-26 1.93 s 232 ms 0.010 2.29 s 1.68 s
2026-09-19 1.95 s 230 ms 0.010 2.29 s 1.83 s
2026-09-12 2.09 s 230 ms 0 2.29 s 1.88 s
2026-09-05 1.99 s 221 ms 0 2.13 s 1.85 s
2026-08-29 2.13 s 219 ms 0 2.10 s 1.80 s
2026-08-22 2.17 s 221 ms 0 2.11 s 1.82 s
2026-08-15 1.93 s 186 ms 0.010 1.99 s 1.59 s
2026-08-08 1.99 s 185 ms 0.020 1.96 s 1.56 s
2026-08-01 2.14 s 197 ms 0.010 2.08 s 1.63 s
2026-07-25 2.10 s 207 ms 0 2.10 s 1.65 s
2026-07-18 2.42 s 268 ms 0.010 2.34 s 1.95 s
2026-07-11 2.48 s 260 ms 0.010 2.36 s 2.00 s

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 7:10 PM UTC 52 4.61 s 0.065 1.53 s 2.07 MB 3/3 ±21 2,418 -3% 45.6s Wayback