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

tuta.com

https://tuta.com/

59PERF 85A11Y 100BEST 100SEO ✗AXE !CWV

Ranks Overall #1,682 Astro Showcase #193

Data from Oct 2, 2026, 7:01 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 SolidSolid

Lighthouse Scores LAB Simulated

59
Performance
no change
85
Accessibility
no change
100
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 10.80 s poor — 10.80 s – 10.80 s 2.68 s needs work 72.2% 16% 11.8%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 129 ms good 90.2% 8.2% 1.6%
CLS CWV Cumulative Layout Shift 0.016 good — 0.016 – 0.016 0.130 needs work 63.1% 33% 3.9%
TBT Total Blocking Time 24 ms good — 24 ms – 24 ms n/a —
FCP First Contentful Paint 5.51 s poor — 5.51 s – 5.51 s 2.27 s needs work 64.3% 19.9% 15.8%
Speed Index 6.71 s poor — 6.71 s – 6.71 s n/a —
TTFB Time to First Byte 752 ms good — 752 ms – 752 ms 1.35 s needs work 53.1% 31.8% 15.1%

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 1.22 s
resource load duration 796 ms
time to first byte 305 ms
resource load delay 154 ms

LCP LAB Simulated vs LCP FIELD

Lab 10.80 s
Field p75 2.68 s

The lab LCP is 4.04× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 2.13 MB — 2.13 MB – 2.13 MB
Requests 65 — 65 – 65
Third-party Weight 0 B — 0 B – 0 B
Third-party CPU 0 ms — 0 ms – 0 ms
Unused JS 133 kB — 133 kB – 133 kB
Unused CSS 27.3 kB — 27.3 kB – 27.3 kB

By resource type

Type Transfer Share Size Requests
script 48.5% 1.03 MB 36
other 21.6% 460 kB 4
document 12.1% 257 kB 1
image 9.5% 201 kB 15
font 5.2% 110 kB 2
stylesheet 3.2% 68.8 kB 7
Total 2.13 MB 65

Page health

Metric Value Change / range Trend
Main Thread Work 1.07 s — 1.07 s – 1.07 s
Long Tasks 2 — 2 – 2
DOM Elements 1,047 — 1,047 – 1,047
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 30 — 30 – 30
A11y Failures 4 — 4 – 4
A11y Failing Nodes 27 — 27 – 27

Main thread work

Task Time Share Duration Simulated
other 46% 491 ms
script evaluation 26% 281 ms
style layout 18% 195 ms
parse HTML 6% 66 ms
paint composite render 3% 27 ms
script parse compile 1% 10 ms
Total 1.07 s

Axe violations axe-core 4.13.0, full rule set

30 violating nodes across 7 rules, 1081 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 18 nodes
    Offending elements (5 of 18)
    1. #product-view-tab-1 > .product-view-tab__content--mobile.product-view-tab__content > span:nth-child(2) 
      <span>Tuta Calendar</span>
    2. div[data-hk="s4000200"] > strong 
      <strong>End-to-end encryption guarantees your privacy</strong>
    3. #main-usp-tab-1 > p 
      <p>Green</p>
    4. #main-usp-tab-1 > small 
      <small>Renewable energy</small>
    5. #main-usp-tab-2 > p 
      <p>Ad-free</p>
  • critical button-name — Buttons must have discernible text 5 nodes
    Offending elements
    1. div[data-hk="s150001"] > .selected[data-index="0"] 
      <button data-index="0" class="selected"></button>
    2. div[data-hk="s150001"] > button[data-index="1"] 
      <button data-index="1" class=""></button>
    3. div[data-hk="s150001"] > button[data-index="2"] 
      <button data-index="2" class=""></button>
    4. div[data-hk="s150001"] > button[data-index="3"] 
      <button data-index="3" class=""></button>
    5. div[data-hk="s150001"] > button[data-index="4"] 
      <button data-index="4" class=""></button>
  • moderate heading-order — Heading levels should only increase by one 3 nodes
    Offending elements
    1. .story-top-left > .story--half.story > .story__content > .story__title 
      <h4 class="story__title">Sustainability for a better future</h4>
    2. #index-box-privacy > .box__content > .box__title 
      <h4 class="box__title">German Privacy</h4>
    3. .audience__content--business > .audience__name 
      <h4 class="audience__name">Business</h4>
  • minor aria-allowed-role — ARIA role should be appropriate for the element 1 node
    Offending element
    1. .header__hamburger 
      <button class="header__hamburger" aria-label="menu" role="menu">
  • moderate region — All page content should be contained by landmarks 1 node
    Offending element
    1. astro-island[uid="jy7il"] 
      <astro-island uid="jy7il" data-solid-render-id="s0" component-url="/assets/PSABannerWra..." component-export="PSABannerWrap" renderer-url="/assets/client.Csd8E..." props="{"showPsaBanner":[0,..." cli…
  • serious scrollable-region-focusable — Scrollable region must have keyboard access 1 node
    Offending element
    1. div[data-hk="s150000"] > .swipe-inner.usp__swipe-inner 
      <div class="swipe-inner usp__swipe-inner " style="--numPerPage: 1;">
  • critical select-name — Select element must have an accessible name 1 node
    Offending element
    1. select 
      <select data-hk="s2000a2520" class="language-selector">

Accessibility failures 4 of 27 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 18 nodes
  • button-name — Buttons do not have an accessible name 5 nodes
  • heading-order — Heading elements are not in a sequentially-descending order 3 nodes
  • select-name — Select elements do not have associated label elements. 1 node

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 2.68 s 129 ms 0.130 2.29 s 1.34 s
2026-09-19 2.69 s 128 ms 0.130 2.29 s 1.35 s
2026-09-12 2.72 s 126 ms 0.130 2.32 s 1.37 s
2026-09-05 2.72 s 124 ms 0.130 2.35 s 1.38 s
2026-08-29 2.67 s 123 ms 0.130 2.33 s 1.36 s
2026-08-22 2.57 s 124 ms 0.130 2.24 s 1.34 s
2026-08-15 2.49 s 127 ms 0.130 2.17 s 1.34 s
2026-08-08 2.41 s 129 ms 0.130 2.11 s 1.33 s
2026-08-01 2.34 s 131 ms 0.140 2.05 s 1.31 s
2026-07-25 2.38 s 133 ms 0.170 2.07 s 1.32 s
2026-07-18 2.38 s 131 ms 0.780 2.07 s 1.33 s
2026-07-11 2.37 s 129 ms 0.850 2.06 s 1.33 s

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 7:01 PM UTC 59 10.80 s 0.016 24 ms 2.13 MB 3/3 ±17 2,350 -5% 35.7s Wayback