fettblog.eu

Ranks Overall #1,240 Built Awesome #849

Data from Oct 3, 2026, 5:53 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 Cloudflare

Lighthouse Scores LAB Simulated

Performance

↑ +5 (+5.4%)

Accessibility

no change

100

Best Practices

no change

100

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	2.21 s good	↓ -979 ms (-30.7%) 2.15 s – 3.93 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—
CLS CWV (estimate) Cumulative Layout Shift	0.005 good	→ no change 0.005 – 0.005
TBT Total Blocking Time	0 ms good	→ no change 0 ms – 0 ms
FCP First Contentful Paint	1.57 s good	↑ +40 ms (+2.6%) 1.53 s – 1.61 s
Speed Index	1.57 s good	↑ +40 ms (+2.6%) 1.53 s – 1.61 s
TTFB Time to First Byte	502 ms good	↑ +35 ms (+7.5%) 467 ms – 617 ms

Metric

Lab Simulated

Value

Change / range

Trend

LCP CWV (estimate) Largest Contentful Paint

2.21 s good

↓ -979 ms (-30.7%) 2.15 s – 3.93 s

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

n/a

—

CLS CWV (estimate) Cumulative Layout Shift

0.005 good

→ no change 0.005 – 0.005

TBT Total Blocking Time

0 ms good

→ no change 0 ms – 0 ms

FCP First Contentful Paint

1.57 s good

↑ +40 ms (+2.6%) 1.53 s – 1.61 s

Speed Index

1.57 s good

↑ +40 ms (+2.6%) 1.53 s – 1.61 s

TTFB Time to First Byte

502 ms good

↑ +35 ms (+7.5%) 467 ms – 617 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.

time to first byte 111 ms

element render delay 71 ms

Page weight

Metric	Value	Change / range
Page Weight	538 kB	↑ +34 B 537 kB – 539 kB
Requests	10	→ no change 10 – 10
Third-party Weight	10.2 kB	→ no change 9.6 kB – 11.5 kB
Third-party CPU	4 ms	↑ +1 ms (+19.4%) 3 ms – 4 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

538 kB

↑ +34 B 537 kB – 539 kB

Requests

→ no change 10 – 10

Third-party Weight

10.2 kB

→ no change 9.6 kB – 11.5 kB

Third-party CPU

4 ms

↑ +1 ms (+19.4%) 3 ms – 4 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	79.6%	428 kB	3
font	16.2%	86.9 kB	1
script	1.9%	10.2 kB	1
document	0.8%	4.3 kB	1
other	0.8%	4.3 kB	3
stylesheet	0.7%	4.0 kB	1
Total		538 kB	10

Third parties 1 entities

Entity	Transfer	Size	Main thread Simulated
Cloudflare	script	10.2 kB	4 ms
Total		10.2 kB	4 ms

Entity

Transfer

Size

Main thread Simulated

Cloudflare

script

10.2 kB

4 ms

Total

10.2 kB

4 ms

Page health

Metric	Value	Change / range
Main Thread Work	215 ms	↓ -7 ms (-3.3%) 200 ms – 233 ms
Long Tasks	0	→ no change 0 – 0
DOM Elements	114	→ no change 114 – 114
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	9	→ no change 7 – 9
A11y Failures	2	→ no change 2 – 2
A11y Failing Nodes	4	→ no change 4 – 4

Metric

Value

Change / range

Trend

Main Thread Work

215 ms

↓ -7 ms (-3.3%) 200 ms – 233 ms

Long Tasks

→ no change 0 – 0

DOM Elements

114

→ no change 114 – 114

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

→ no change 7 – 9

A11y Failures

→ no change 2 – 2

A11y Failing Nodes

→ no change 4 – 4

Main thread work

Task	Share	Duration Simulated
other	46%	100 ms
script evaluation	24%	51 ms
style layout	20%	43 ms
paint composite render	5%	12 ms
parse HTML	3%	7 ms
script parse compile	1%	2 ms
Total		215 ms

Task

Time

Duration Simulated

other

46%

100 ms

script evaluation

24%

51 ms

style layout

20%

43 ms

paint composite render

12 ms

parse HTML

7 ms

script parse compile

2 ms

Total

215 ms

Axe violations axe-core 4.13.0, full rule set

9 violating nodes across 4 rules, 280 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

moderate region — All page content should be contained by landmarks 4 nodes

Offending elements

.title

<div class="title"> <span class="website">oida.dev</span> <h1>Stefan Baumgartner</h1> </div>

.content-wrapper
```
<div class="content-wrapper">
```
.book-wrapper
```
<div class="book-wrapper">
```

section

<section class="copyright">oida.dev © 2012 - 2026</section>

serious color-contrast — Elements must meet minimum color contrast ratio thresholds 3 nodes
Offending elements
1. a[href$="articles/"]
```
<a class="navbar-link" href="/articles/">Articles</a>
```
2. .navbar-link[href$="slides/"]
```
<a class="navbar-link" href="/slides/">Slides</a>
```
3. .navbar-link[href$="about/"]
```
<a class="navbar-link" href="/about/">About</a>
```
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. .nav
```
<nav class="nav">
```

Accessibility failures 2 of 15 audits

color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 3 nodes
landmark-one-main — Document does not have a main landmark. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When	Perf	LCP	CLS	Weight	Runs	Spread	Bench	Took	Archive
Oct 3, 2026, 5:53 PM UTC	98	2.21 s	0.005	538 kB	3/3	±7	2,426 -2%	21.4s	Wayback
Sep 26, 2026, 2:15 PM UTC	93	3.18 s	0.005	538 kB	3/3	±10	2,500 +1%	21s	Wayback
Sep 19, 2026, 12:59 PM UTC	88	3.88 s	0.005	538 kB	3/3	±1	2,303 -7%	20.8s	Wayback
Sep 12, 2026, 11:35 AM UTC	98	2.15 s	0.005	538 kB	3/3	±0	2,698 +9%	20.6s	Wayback
Sep 5, 2026, 8:11 AM UTC	91	3.47 s	0.005	538 kB	3/3	±9	2,478 0%	20.5s	Wayback
Aug 29, 2026, 5:53 AM UTC	87	3.93 s	0.005	537 kB	3/3	±10	2,275 -9%	24.1s	Wayback
Aug 20, 2026, 10:31 PM UTC	88	3.79 s	0.005	539 kB	3/3	±0	2,335 -6%	20.7s	Wayback

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Embed this score

Use this web component to show fettblog.eu's scores on any website, updated whenever this instance re-measures. Don’t forget to bundle the speedlify2-score.js component code into your site!

<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://fettblog.eu/"></speedlify2-score>

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 2 of 15 audits

Hygiene

Measurement log

Embed this score

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled