eu-testbook.com

Ranks Overall #1,536 Built Awesome #1,017

Data from Oct 3, 2026, 8:38 PM UTC 4d old Measured once a week · 7 runs since Aug 20, 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

Hosted by Netlify

Lighthouse Scores LAB Simulated

Performance

↓ -2 (-2.7%)

Accessibility

no change

100

Best Practices

no change

SEO

no change

Metrics LAB FIELD

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

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-16 → 2026-09-12), url-level. From the backfilled CrUX history rather than this measurement, which predates the API key.

Metric	Lab Simulated	Field
LCP CWV Largest Contentful Paint	5.19 s poor	↓ -165 ms (-3.1%) 2.21 s – 5.35 s	1.79 s good site-wide	86.5% 8.7% 4.8%
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—	—	% % %
CLS CWV Cumulative Layout Shift	0 good	→ no change 0 – 1.089	0 good site-wide	84.8% 6.4% 8.8%
TBT Total Blocking Time	20 ms good	↑ +20 ms 0 ms – 20 ms	n/a	—
FCP First Contentful Paint	2.84 s needs work	↓ -71 ms (-2.4%) 2.06 s – 2.91 s	—	—
Speed Index	4.84 s needs work	↑ +1607 ms (+49.7%) significant 2.06 s – 4.84 s	n/a	—
TTFB Time to First Byte	606 ms good	↓ -49 ms (-7.5%) 606 ms – 677 ms	—	—

Metric

Lab Simulated

Field

Value

Change / range

Trend

p75

Distribution

LCP CWV Largest Contentful Paint

5.19 s poor

↓ -165 ms (-3.1%) 2.21 s – 5.35 s

1.79 s good site-wide

86.5% 8.7% 4.8%

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

n/a

—

% % %

CLS CWV Cumulative Layout Shift

0 good

→ no change 0 – 1.089

0 good site-wide

84.8% 6.4% 8.8%

TBT Total Blocking Time

20 ms good

↑ +20 ms 0 ms – 20 ms

n/a

—

FCP First Contentful Paint

2.84 s needs work

↓ -71 ms (-2.4%) 2.06 s – 2.91 s

—

Speed Index

4.84 s needs work

↑ +1607 ms (+49.7%) significant 2.06 s – 4.84 s

n/a

—

TTFB Time to First Byte

606 ms good

↓ -49 ms (-7.5%) 606 ms – 677 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 2.16 s

time to first byte 454 ms

Page weight

Metric	Value	Change / range
Page Weight	610 kB	↓ -122 B 609 kB – 610 kB
Requests	40	→ no change 40 – 40
Third-party Weight	102 kB	↓ -42 B 101 kB – 102 kB
Third-party CPU	20 ms	↑ +4 ms (+28.9%) 15 ms – 22 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

610 kB

↓ -122 B 609 kB – 610 kB

Requests

→ no change 40 – 40

Third-party Weight

102 kB

↓ -42 B 101 kB – 102 kB

Third-party CPU

20 ms

↑ +4 ms (+28.9%) 15 ms – 22 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	81.3%	496 kB	18
script	9.5%	58.0 kB	10
font	6.4%	39.3 kB	5
stylesheet	1.9%	11.6 kB	5
document	0.7%	4.2 kB	1
other	0.2%	1.4 kB	1
Total		610 kB	40

Third parties 4 entities

Entity	Transfer	Size	Main thread Simulated
Cloudflare CDN	script	42.9 kB	16 ms
Google Fonts	font	40.7 kB	0 ms
parsleyjs.org	script	12.6 kB	3 ms
Unpkg		5.9 kB	0 ms
Total		102 kB	20 ms

Entity

Transfer

Size

Main thread Simulated

Cloudflare CDN

script

42.9 kB

16 ms

Google Fonts

font

40.7 kB

0 ms

parsleyjs.org

script

12.6 kB

3 ms

Unpkg

5.9 kB

0 ms

Total

102 kB

20 ms

Page health

Metric	Value	Change / range
Main Thread Work	562 ms	↑ +155 ms (+38%) 375 ms – 576 ms
Long Tasks	1	↑ +1 0 – 1
DOM Elements	196	→ no change 195 – 196
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	19	→ no change 19 – 21
A11y Failures	3	→ no change 3 – 3
A11y Failing Nodes	12	→ no change 12 – 12

Metric

Value

Change / range

Trend

Main Thread Work

562 ms

↑ +155 ms (+38%) 375 ms – 576 ms

Long Tasks

↑ +1 0 – 1

DOM Elements

196

→ no change 195 – 196

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

→ no change 19 – 21

A11y Failures

→ no change 3 – 3

A11y Failing Nodes

→ no change 12 – 12

Main thread work

Task	Share	Duration Simulated
other	52%	294 ms
style layout	25%	138 ms
script evaluation	13%	74 ms
parse HTML	5%	27 ms
script parse compile	3%	18 ms
paint composite render	2%	11 ms
Total		562 ms

Task

Time

Duration Simulated

other

52%

294 ms

style layout

25%

138 ms

script evaluation

13%

74 ms

parse HTML

27 ms

script parse compile

18 ms

paint composite render

11 ms

Total

562 ms

Axe violations axe-core 4.13.0, full rule set

19 violating nodes across 6 rules, 285 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 7 nodes

Offending elements (5 of 7)

.text_link_release > span
```
<span>Order Now</span>
```

.candidate:nth-child(1) > .candidate__text

<p class="candidate__text"> Learn everything you need to know about EPSO exams. </p>

.candidate:nth-child(2) > .candidate__text

<p class="candidate__text"> Practice realistic tests and find detailed explanations. </p>

.candidate:nth-child(3) > .candidate__text

<p class="candidate__text"> Beat the competition thanks to detailed methodology chapters. </p>

.col-md-4.col-xs-12:nth-child(1) > p:nth-child(1)

<p> “Thanks to the advice and hints in the test book I am now on the EPSO reserve list and already got a job offer. Many thanks for this super useful book, it helped me so much.” </p>

moderate region — All page content should be contained by landmarks 5 nodes

Offending elements

#tns1-item0

<div class="entity entity--book entity--book--carousel-main view-mode view-mode--carousel-main tns-item tns-fadeIn tns-slide-active" id="tns1-item0" style="left: 0%;">

.book-slider__thumb

<div class="book-slider__thumb col-xs-12 col-md-2" aria-label="Carousel Pagination">

.section--candidates

<div class="section section--candidates align-center--md">

.section--testi

<div class="section section--testi align-center">

.section--eut

<div class="section section--eut align-right--md">

serious aria-hidden-focus — ARIA hidden element must not be focusable or contain focusable elements 4 nodes

Offending elements

#tns1-item1

<div class="entity entity--book entity--book--carousel-main view-mode view-mode--carousel-main tns-item tns-normal" id="tns1-item1" aria-hidden="true" tabindex="-1">

#tns1-item2

<div class="entity entity--book entity--book--carousel-main view-mode view-mode--carousel-main tns-item tns-normal" id="tns1-item2" aria-hidden="true" tabindex="-1">

#tns1-item3

<div class="entity entity--book entity--book--carousel-main view-mode view-mode--carousel-main tns-item tns-normal" id="tns1-item3" aria-hidden="true" tabindex="-1">

.tns-normal.entity--book--carousel-main[aria-hidden="true"]:nth-child(5)

<div class="entity entity--book entity--book--carousel-main view-mode view-mode--carousel-main tns-item tns-normal" aria-hidden="true" tabindex="-1">

moderate landmark-one-main — Document should have one main landmark 1 node
Offending element
1. html
```
<html lang="en">
```
moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node
Offending element
1. .menu--main
```
<nav class="menu menu--main">
```
moderate page-has-heading-one — Page should contain a level-one heading 1 node
Offending element
1. html
```
<html lang="en">
```

Accessibility failures 3 of 21 audits

color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 7 nodes
aria-hidden-focus — `[aria-hidden="true"]` elements contain focusable descendents 4 nodes
landmark-one-main — Document does not have a main landmark. 1 node

SEO failures 1 of 9 audits

link-text — Links do not have descriptive text 5 items

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	LCP	INP	CLS	FCP	TTFB
2026-09-19 → 2026-09-26	No data — 2 weeks under the CrUX reporting threshold
2026-09-12	1.79 s	—	0	1.79 s	982 ms
2026-09-05	1.79 s	—	0	1.79 s	988 ms
2026-08-29	1.65 s	—	0	1.66 s	922 ms
2026-07-18 → 2026-08-22	No data — 6 weeks under the CrUX reporting threshold
2026-07-11	1.38 s	—	0	1.38 s	840 ms
2026-06-13 → 2026-07-04	No data — 4 weeks under the CrUX reporting threshold
2026-06-06	1.82 s	—	0	1.79 s	1.02 s
2026-05-30	1.81 s	—	0	1.81 s	1.11 s
2026-05-23	1.81 s	—	0	1.81 s	1.05 s
2026-05-16	1.71 s	—	0	1.71 s	986 ms
2026-05-09	1.82 s	—	0	1.82 s	968 ms

Runs

Every stored run for this URL, newest first.

When	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 3, 2026, 8:38 PM UTC	73	5.19 s	0	20 ms	610 kB	3/3	±7	2,693 +8%	25.4s	Wayback
Sep 26, 2026, 2:15 PM UTC	75	5.35 s	0	0 ms	610 kB	3/3	±15	3,383 +36%	23.7s	Wayback
Sep 19, 2026, 1:00 PM UTC	75	2.83 s	0.311	0 ms	609 kB	3/3	±16	2,494 0%	25s	Wayback
Sep 12, 2026, 11:35 AM UTC	57	5.12 s	0.440	0 ms	609 kB	3/3	±19	2,505 +1%	23s	Wayback
Sep 5, 2026, 8:11 AM UTC	68	2.66 s	1.089	0 ms	609 kB	3/3	±9	2,282 -8%	25s	Wayback
Aug 29, 2026, 5:52 AM UTC	70	2.67 s	0.969	0 ms	609 kB	3/3	±30	3,089 +24%	22.4s	Wayback
Aug 20, 2026, 9:32 PM UTC	72	2.21 s	0.937	0 ms	609 kB	3/3	±5	3,211 +29%	24.1s	Wayback

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

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Stack

Lighthouse Scores LAB 🤖 Simulated

Metrics LAB FIELD

LCP Subparts LAB 🐇 Unthrottled

Page weight

By resource type

Third parties 4 entities

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 3 of 21 audits

SEO failures 1 of 9 audits

Hygiene

Measurement log

Field history 25 weeks

Runs

Embed this score

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled