kingdomcode.org.uk

https://kingdomcode.org.uk/

Ranks Overall #1,404 Built Awesome #952

Data from Oct 6, 2026, 12:48 PM UTC 44h old Measured once a week · 8 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 Eleventy 3.1.2

Hosted by Netlify

Lighthouse Scores LAB Simulated

Performance

↓ -1 (-1.1%)

Accessibility

no change

100

Best Practices

no change

SEO

no change

Metrics LAB

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric	Lab Simulated
LCP CWV (estimate) Largest Contentful Paint	2.52 s needs work	↑ +34 ms (+1.4%) 2.46 s – 2.65 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—
CLS CWV (estimate) Cumulative Layout Shift	0 good	↓ -0.003 (-100%) 0 – 0.034
TBT Total Blocking Time	0 ms good	→ no change 0 ms – 0 ms
FCP First Contentful Paint	2.52 s needs work	↑ +34 ms (+1.4%) 2.46 s – 2.52 s
Speed Index	2.91 s good	↑ +425 ms (+17.1%) significant 2.46 s – 2.91 s
TTFB Time to First Byte	678 ms good	↑ +19 ms (+2.9%) 624 ms – 681 ms

Metric

Lab Simulated

Value

Change / range

Trend

LCP CWV (estimate) Largest Contentful Paint

2.52 s needs work

↑ +34 ms (+1.4%) 2.46 s – 2.65 s

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

n/a

—

CLS CWV (estimate) Cumulative Layout Shift

0 good

↓ -0.003 (-100%) 0 – 0.034

TBT Total Blocking Time

0 ms good

→ no change 0 ms – 0 ms

FCP First Contentful Paint

2.52 s needs work

↑ +34 ms (+1.4%) 2.46 s – 2.52 s

Speed Index

2.91 s good

↑ +425 ms (+17.1%) significant 2.46 s – 2.91 s

TTFB Time to First Byte

678 ms good

↑ +19 ms (+2.9%) 624 ms – 681 ms

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 1.03 s

resource load duration 231 ms

time to first byte 84 ms

resource load delay 10 ms

Page weight

Metric	Value	Change / range
Page Weight	149 kB	↓ -4.6 kB (-3.1%) 149 kB – 154 kB
Requests	12	→ no change 12 – 12
Third-party Weight	36.4 kB	↓ -4.8 kB (-11.9%) significant 36.4 kB – 41.3 kB
Third-party CPU	0 ms	→ no change 0 ms – 0 ms
Unused JS	0 B	→ no change 0 B – 0 B
Unused CSS	0 B	→ no change 0 B – 0 B

Metric

Value

Change / range

Trend

Page Weight

149 kB

↓ -4.6 kB (-3.1%) 149 kB – 154 kB

Requests

→ no change 12 – 12

Third-party Weight

36.4 kB

↓ -4.8 kB (-11.9%) significant 36.4 kB – 41.3 kB

Third-party CPU

0 ms

→ no change 0 ms – 0 ms

Unused JS

0 B

→ no change 0 B – 0 B

Unused CSS

0 B

→ no change 0 B – 0 B

By resource type

Type	Share	Size	Requests
image	55.5%	81.3 kB	4
font	24.3%	35.5 kB	1
script	10.3%	15.0 kB	2
stylesheet	7.4%	10.8 kB	3
document	2.5%	3.7 kB	1
Total		149 kB	12

Third parties 1 entities

Entity	Transfer	Size	Main thread Simulated
Google Fonts	font	36.4 kB	0 ms
Total		36.4 kB	0 ms

Entity

Transfer

Size

Main thread Simulated

Google Fonts

font

36.4 kB

0 ms

Total

36.4 kB

0 ms

Page health

Metric	Value	Change / range
Main Thread Work	244 ms	↓ -26 ms (-9.7%) significant 230 ms – 271 ms
Long Tasks	0	→ no change 0 – 0
DOM Elements	101	→ no change 101 – 101
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	19	→ no change 19 – 19
A11y Failures	1	→ no change 1 – 1
A11y Failing Nodes	12	→ no change 12 – 12

Metric

Value

Change / range

Trend

Main Thread Work

244 ms

↓ -26 ms (-9.7%) significant 230 ms – 271 ms

Long Tasks

→ no change 0 – 0

DOM Elements

101

→ no change 101 – 101

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

→ no change 19 – 19

A11y Failures

→ no change 1 – 1

A11y Failing Nodes

→ no change 12 – 12

Main thread work

Task	Share	Duration Simulated
other	46%	113 ms
style layout	30%	74 ms
script evaluation	9%	22 ms
parse HTML	7%	16 ms
paint composite render	5%	12 ms
script parse compile	3%	8 ms
Total		244 ms

Task

Time

Duration Simulated

other

46%

113 ms

style layout

30%

74 ms

script evaluation

22 ms

parse HTML

16 ms

paint composite render

12 ms

script parse compile

8 ms

Total

244 ms

Axe violations axe-core 4.13.0, full rule set

19 violating nodes across 3 rules, 203 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 12 nodes

Offending elements (5 of 12)

.promo__content__button

<span class="promo__content__button"> Find out more </span>

.kc-events__future > .kc-event__type

<h2 class="kc-event__type">Upcoming Events</h2>

.kc-events__future > ul > li > .text-xs.mb-0.uppercase
```
<p class="text-xs uppercase mb-0"> London: </p>
```

.kc-events__future > ul > li > h3

<h3 itemprop="name" class="text-lg font-bold"> BUILD 2026 </h3>

.kc-events__future > ul > li > .kc-event__date[itemprop="startDate"]

<date itemprop="startDate" content="Fri Oct 09 2026 00:00:00 GMT+0000 (Coordinated Universal Time)" class="kc-event__date"> Fri, 9 October 2026 </date>

moderate region — All page content should be contained by landmarks 6 nodes

Offending elements (5 of 6)

.md\:container

<section class="md:container mx-auto px-4 md:px-0">

.text-2xl

<h2 class="text-2xl font-bold">Stay in touch</h2>

#newsletter > .mb-4

<p class="mb-4"> Sign up and receive all the latest news and meet up information from Kingdom Code: </p>

.mc-field-group.kc-newsletter__field:nth-child(1)

<div class="kc-newsletter__field mc-field-group"> <label for="mce-FNAME">First Name</label> <input type="text" value="" name="FNAME" class="" id="mce-FNAME" placeholder="First name"> </div>

.mc-field-group.kc-newsletter__field:nth-child(2)

<div class="kc-newsletter__field mc-field-group"> <label for="mce-LNAME">Last Name</label> <input type="text" value="" name="LNAME" class="" id="mce-LNAME" placeholder="Family name"> </div>

minor image-redundant-alt — Alternative text of images should not be repeated as text 1 node
Offending element
1. .h-4
```
<img class="inline h-4 w-4 mr-1" src="/_assets/misc/logos/kingdom-code.svg" alt="Kingdom Code">
```

Accessibility failures 1 of 20 audits

color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 12 nodes

SEO failures 2 of 8 audits

meta-description — Document does not have a meta description
link-text — Links do not have descriptive text 3 items

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores Perf LCP CLS TBT Weight Runs Spread Bench Took Archive

Oct 6, 2026, 12:48 PM UTC 93 2.52 s 0 0 ms 149 kB 3/3 ±2 2,489 0% 27.2s Wayback

Sep 29, 2026, 11:08 AM UTC 94 2.48 s 0.003 0 ms 154 kB 3/3 ±4 2,417 -3% 26.8s Wayback

Sep 22, 2026, 9:02 AM UTC 93 2.65 s 0.003 0 ms 149 kB 3/3 ±6 2,500 +1% 26.1s Wayback

Sep 15, 2026, 5:51 AM UTC 93 2.65 s 0 0 ms 149 kB 3/3 ±3 2,319 -7% 26.4s Wayback

Sep 8, 2026, 12:55 AM UTC 94 2.52 s 0.034 0 ms 149 kB 3/3 ±2 2,497 0% 27.3s Wayback

Aug 31, 2026, 10:43 PM UTC 93 2.64 s 0.003 0 ms 149 kB 3/3 ±7 2,343 -6% 23.4s Wayback

Aug 29, 2026, 7:42 PM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 19.4s

Aug 21, 2026, 1:22 AM UTC 94 2.46 s 0.003 0 ms 149 kB 3/3 ±4 2,512 +1% 23.7s Wayback

When	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 6, 2026, 12:48 PM UTC	93	2.52 s	0	0 ms	149 kB	3/3	±2	2,489 0%	27.2s	Wayback
Sep 29, 2026, 11:08 AM UTC	94	2.48 s	0.003	0 ms	154 kB	3/3	±4	2,417 -3%	26.8s	Wayback
Sep 22, 2026, 9:02 AM UTC	93	2.65 s	0.003	0 ms	149 kB	3/3	±6	2,500 +1%	26.1s	Wayback
Sep 15, 2026, 5:51 AM UTC	93	2.65 s	0	0 ms	149 kB	3/3	±3	2,319 -7%	26.4s	Wayback
Sep 8, 2026, 12:55 AM UTC	94	2.52 s	0.034	0 ms	149 kB	3/3	±2	2,497 0%	27.3s	Wayback
Aug 31, 2026, 10:43 PM UTC	93	2.64 s	0.003	0 ms	149 kB	3/3	±7	2,343 -6%	23.4s	Wayback
Aug 29, 2026, 7:42 PM UTC	`TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse.`	19.4s
Aug 21, 2026, 1:22 AM UTC	94	2.46 s	0.003	0 ms	149 kB	3/3	±4	2,512 +1%	23.7s	Wayback

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Stack

Lighthouse Scores LAB 🤖 Simulated

Metrics LAB

LCP Subparts LAB 🐇 Unthrottled

Page weight

By resource type

Third parties 1 entities

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 1 of 20 audits

SEO failures 2 of 8 audits

Hygiene

Measurement log

Embed this score

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled