zellwk.com

Ranks Overall #1,687 11ty Emeritus

Data from Oct 6, 2026, 5:08 AM UTC 2d old Measured once a week · 7 runs since Aug 21, 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

Built with Astro

Uses Svelte

Hosted by Cloudflare

Lighthouse Scores LAB Simulated

Performance

no change

Accessibility

no change

Best Practices

↓ -23 (-23%)

100

SEO

no change

Metrics LAB FIELD

Core Web Vitals: failing 2 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-06 → 2026-10-03), origin-level.

Metric	Lab Simulated	Field
LCP CWV Largest Contentful Paint	5.18 s poor	↑ +52 ms (+1%) 3.24 s – 9.83 s	2.99 s needs work	67.9% 16.1% 16%
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—	—	—
CLS CWV Cumulative Layout Shift	0.140 needs work	→ no change 0.133 – 0.140	0 good	95.4% 4.1% 0.5%
TBT Total Blocking Time	567 ms needs work	↓ -20 ms (-3.4%) 399 ms – 677 ms	n/a	—
FCP First Contentful Paint	4.13 s poor	↑ +52 ms (+1.3%) 2.49 s – 5.72 s	2.90 s needs work	55.3% 21.6% 23.1%
Speed Index	4.13 s needs work	↑ +52 ms (+1.3%) 2.49 s – 6.08 s	n/a	—
TTFB Time to First Byte	527 ms good	↑ +57 ms (+12.1%) 470 ms – 830 ms	1.39 s needs work	46.5% 36% 17.5%

Metric

Lab Simulated

Field

Value

Change / range

Trend

p75

Distribution

LCP CWV Largest Contentful Paint

5.18 s poor

↑ +52 ms (+1%) 3.24 s – 9.83 s

2.99 s needs work

67.9% 16.1% 16%

INP CWV Interaction to Next Paint — field only, no lab run can measure it

n/a

—

CLS CWV Cumulative Layout Shift

0.140 needs work

→ no change 0.133 – 0.140

0 good

95.4% 4.1% 0.5%

TBT Total Blocking Time

567 ms needs work

↓ -20 ms (-3.4%) 399 ms – 677 ms

n/a

—

FCP First Contentful Paint

4.13 s poor

↑ +52 ms (+1.3%) 2.49 s – 5.72 s

2.90 s needs work

55.3% 21.6% 23.1%

Speed Index

4.13 s needs work

↑ +52 ms (+1.3%) 2.49 s – 6.08 s

n/a

—

TTFB Time to First Byte

527 ms good

↑ +57 ms (+12.1%) 470 ms – 830 ms

1.39 s needs work

46.5% 36% 17.5%

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 164 ms

time to first byte 143 ms

LCP LAB Simulated vs LCP FIELD

Lab 5.18 s

Field p75 2.99 s

The lab LCP is 1.73× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric	Value	Change / range
Page Weight	1.14 MB	↑ +20.5 kB (+1.9%) 1.11 MB – 1.25 MB
Requests	44	→ no change 32 – 48
Third-party Weight	893 kB	↑ +21.3 kB (+2.5%) 728 kB – 893 kB
Third-party CPU	192 ms	↑ +1 ms (+0.3%) 159 ms – 192 ms
Unused JS	255 kB	↑ +4.6 kB (+1.9%) 250 kB – 322 kB
Unused CSS	0 B	→ no change 0 B – 0 B

Metric

Value

Change / range

Trend

Page Weight

1.14 MB

↑ +20.5 kB (+1.9%) 1.11 MB – 1.25 MB

Requests

→ no change 32 – 48

Third-party Weight

893 kB

↑ +21.3 kB (+2.5%) 728 kB – 893 kB

Third-party CPU

192 ms

↑ +1 ms (+0.3%) 159 ms – 192 ms

Unused JS

255 kB

↑ +4.6 kB (+1.9%) 250 kB – 322 kB

Unused CSS

0 B

→ no change 0 B – 0 B

By resource type

Type	Share	Size	Requests
script	56.5%	642 kB	27
font	32.5%	369 kB	4
image	5.2%	58.6 kB	3
document	2.8%	32.2 kB	1
stylesheet	2.5%	27.9 kB	3
other	0.5%	5.4 kB	6
Total		1.14 MB	44

Third parties 6 entities

Entity	Transfer	Size	Main thread Simulated
Adobe TypeKit	font	371 kB	0 ms
Facebook	script	216 kB	96 ms
Google Tag Manager	script	180 kB	70 ms
posthog.com	script	115 kB	22 ms
Cloudflare		10.2 kB	4 ms
All 6		893 kB	192 ms

Entity

Transfer

Size

Main thread Simulated

Adobe TypeKit

font

371 kB

0 ms

Facebook

script

216 kB

96 ms

Google Tag Manager

script

180 kB

70 ms

posthog.com

script

115 kB

22 ms

Cloudflare

10.2 kB

4 ms

All 6

893 kB

192 ms

Page health

Metric	Value	Change / range
Main Thread Work	2.01 s	↓ -48 ms (-2.3%) 1.42 s – 2.28 s
Long Tasks	8	↑ +1 (+14.3%) 6 – 9
DOM Elements	267	→ no change 262 – 267
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	9	→ no change 9 – 9
A11y Failures	1	→ no change 1 – 1
A11y Failing Nodes	8	→ no change 8 – 8

Metric

Value

Change / range

Trend

Main Thread Work

2.01 s

↓ -48 ms (-2.3%) 1.42 s – 2.28 s

Long Tasks

↑ +1 (+14.3%) 6 – 9

DOM Elements

267

→ no change 262 – 267

Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)

→ no change 9 – 9

A11y Failures

→ no change 1 – 1

A11y Failing Nodes

→ no change 8 – 8

Main thread work

Task	Share	Duration Simulated
script evaluation	60%	1.20 s
other	15%	305 ms
style layout	11%	221 ms
script parse compile	9%	185 ms
parse HTML	2%	41 ms
garbage collection	2%	35 ms
paint composite render	1%	26 ms
Total		2.01 s

Task

Time

Duration Simulated

script evaluation

60%

1.20 s

other

15%

305 ms

style layout

11%

221 ms

script parse compile

185 ms

parse HTML

41 ms

garbage collection

35 ms

paint composite render

26 ms

Total

2.01 s

Axe violations axe-core 4.13.0, full rule set

9 violating nodes across 2 rules, 515 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

serious svg-img-alt — <svg> elements with an img or image role must have alternative text 8 nodes

Offending elements (5 of 8)

svg[width="192"]

<svg fill="none" width="192" height="60" viewBox="0 0 192 60" role="img" xmlns="http://www.w3.org/2000/svg" class=" h-12 simple-svg fill-zgray-400" style="">

svg[width="194"]

<svg fill="none" width="194" height="60" viewBox="0 0 194 60" role="img" xmlns="http://www.w3.org/2000/svg" class=" h-12 simple-svg fill-zgray-400" style="">

svg[width="170"]

<svg fill="none" width="170" height="60" viewBox="0 0 170 60" role="img" xmlns="http://www.w3.org/2000/svg" class=" h-12 simple-svg fill-zgray-400" style="">

svg[width="153"]

<svg fill="none" width="153" height="60" viewBox="0 0 153 60" role="img" xmlns="http://www.w3.org/2000/svg" class=" h-12 simple-svg fill-zgray-400" style="">

svg[width="140"]

<svg fill="none" width="140" height="60" viewBox="0 0 140 60" role="img" xmlns="http://www.w3.org/2000/svg" class=" h-12 simple-svg fill-zgray-400" style="">

moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node

Offending element

.main-nav

<nav class="main-nav horizontal items-center"><a class="logo" href="/">ZL</a> <div class="horizontal gap-4 ml-auto"><a class="link" href="/about/">About</a> <a class="link" href="/blog/">Articles</a>…

Accessibility failures 1 of 26 audits

svg-img-alt — SVG elements with an `img` role do not have an accessible text alternative 8 nodes

Best Practices failures 2 of 20 audits

third-party-cookies — Uses third-party cookies 1 item
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 h3

Measurement log

Field history 25 weeks

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

Week ending	LCP	INP	FCP	TTFB
2026-09-26	3.25 s	—	3.15 s	1.59 s
2026-09-19	3.15 s	—	3.01 s	1.68 s
2026-09-12	3.12 s	—	3.09 s	1.72 s
2026-09-05	3.09 s	—	3.07 s	1.59 s
2026-08-29	2.94 s	—	2.94 s	1.64 s
2026-08-22	2.91 s	—	2.95 s	1.65 s
2026-08-15	3.08 s	—	3.08 s	1.65 s
2026-08-08	2.97 s	—	2.97 s	1.60 s
2026-08-01	2.64 s	—	2.69 s	1.55 s
2026-07-25	2.72 s	—	2.69 s	1.40 s
2026-07-18	2.68 s	—	2.65 s	1.37 s
2026-07-11	2.69 s	—	2.61 s	1.37 s

Runs

Every stored run for this URL, newest first.

When	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 6, 2026, 5:08 AM UTC	51	5.18 s	0.140	567 ms	1.14 MB	3/3	±26	2,467 -1%	32.4s	Wayback
Sep 28, 2026, 11:49 PM UTC	51	5.13 s	0.140	587 ms	1.11 MB	3/3	±11	2,483 0%	32.7s	Wayback
Sep 21, 2026, 7:57 PM UTC	55	4.68 s	0.140	578 ms	1.25 MB	3/3	±21	2,720 +9%	31.9s	Wayback
Sep 14, 2026, 5:50 PM UTC	43	9.83 s	0.133	469 ms	1.25 MB	3/3	±8	2,495 0%	34.7s	Wayback
Sep 7, 2026, 2:59 PM UTC	62	3.77 s	0.140	644 ms	1.24 MB	3/3	±23	2,509 +1%	32.2s	Wayback
Aug 31, 2026, 10:39 AM UTC	67	3.24 s	0.140	677 ms	1.22 MB	3/3	±25	2,369 -5%	31.8s	Wayback
Aug 21, 2026, 4:34 PM UTC	56	5.12 s	0.140	399 ms	1.12 MB	3/3	±30	2,474 -1%	32.8s	Wayback

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Stack

Lighthouse Scores LAB 🤖 Simulated

Metrics LAB FIELD

LCP Subparts LAB 🐇 Unthrottled

LCP LAB 🤖 Simulated vs LCP FIELD

Page weight

By resource type

Third parties 6 entities

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 1 of 26 audits

Best Practices failures 2 of 20 audits

Hygiene

Measurement log

Field history 25 weeks

Runs

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled

LCP LAB Simulated vs LCP FIELD