biehler-josef.de

Ranks Overall #1,664 Built Awesome #1,077

Data from Oct 2, 2026, 11:02 PM UTC 5d 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

This URL redirects to https://www.biehler-josef.de/.

Lighthouse follows the redirect, so the numbers below describe the destination page, not this one. The redirect is temporary (302/303/307), so it is treated as a detour rather than a move and history stays here.

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 Self-hosted

Lighthouse Scores LAB Simulated

Performance

↓ -13 (-14.3%)

Accessibility

no change

Best Practices

↓ -4 (-4%)

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	2.19 s good	↓ -1124 ms (-34%) significant 2.19 s – 3.31 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—
CLS CWV (estimate) Cumulative Layout Shift	0.335 poor	↑ +0.334 (+33400%) significant 0.001 – 0.335
TBT Total Blocking Time	39 ms good	↓ -4 ms (-9.3%) 1 ms – 67 ms
FCP First Contentful Paint	2.19 s needs work	↑ +283 ms (+14.9%) significant 1.84 s – 2.19 s
Speed Index	4.08 s needs work	↑ +2177 ms (+114.5%) significant 1.84 s – 4.08 s
TTFB Time to First Byte	2.11 s poor	↑ +1505 ms (+248.3%) significant 602 ms – 2.11 s

Metric

Lab Simulated

Value

Change / range

Trend

LCP CWV (estimate) Largest Contentful Paint

2.19 s good

↓ -1124 ms (-34%) significant 2.19 s – 3.31 s

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

n/a

—

CLS CWV (estimate) Cumulative Layout Shift

0.335 poor

↑ +0.334 (+33400%) significant 0.001 – 0.335

TBT Total Blocking Time

39 ms good

↓ -4 ms (-9.3%) 1 ms – 67 ms

FCP First Contentful Paint

2.19 s needs work

↑ +283 ms (+14.9%) significant 1.84 s – 2.19 s

Speed Index

4.08 s needs work

↑ +2177 ms (+114.5%) significant 1.84 s – 4.08 s

TTFB Time to First Byte

2.11 s poor

↑ +1505 ms (+248.3%) significant 602 ms – 2.11 s

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 2.11 s

element render delay 161 ms

Page weight

Metric	Value	Change / range
Page Weight	337 kB	↑ +5.7 kB (+1.7%) 331 kB – 337 kB
Requests	11	↑ +1 (+10%) significant 10 – 11
Third-party Weight	0 B	→ no change 0 B – 0 B
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

337 kB

↑ +5.7 kB (+1.7%) 331 kB – 337 kB

Requests

↑ +1 (+10%) significant 10 – 11

Third-party Weight

0 B

→ no change 0 B – 0 B

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	60.4%	200 kB	1
font	32.6%	108 kB	4
script	3.1%	10.2 kB	1
document	2.4%	7.9 kB	1
stylesheet	0.8%	2.7 kB	1
other	0.7%	2.4 kB	2
Total		337 kB	11

Page health

Metric	Value	Change / range
Main Thread Work	357 ms	↑ +12 ms (+3.3%) 226 ms – 367 ms
Long Tasks	1	→ no change 1 – 2
DOM Elements	339	→ no change 339 – 339
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	19	→ no change 17 – 19
A11y Failures	4	→ no change 4 – 4
A11y Failing Nodes	15	→ no change 15 – 15

Metric

Value

Change / range

Trend

Main Thread Work

357 ms

↑ +12 ms (+3.3%) 226 ms – 367 ms

Long Tasks

→ no change 1 – 2

DOM Elements

339

→ no change 339 – 339

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

→ no change 17 – 19

A11y Failures

→ no change 4 – 4

A11y Failing Nodes

→ no change 15 – 15

Main thread work

Task	Share	Duration Simulated
other	37%	131 ms
script evaluation	28%	99 ms
style layout	24%	86 ms
paint composite render	5%	19 ms
parse HTML	5%	17 ms
script parse compile	2%	6 ms
Total		357 ms

Task

Time

Duration Simulated

other

37%

131 ms

script evaluation

28%

99 ms

style layout

24%

86 ms

paint composite render

19 ms

parse HTML

17 ms

script parse compile

6 ms

Total

357 ms

Axe violations axe-core 4.13.0, full rule set

19 violating nodes across 4 rules, 377 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 8 nodes

Offending elements (5 of 8)

#cloud_container

<div id="cloud_container" style="background-color: rgb(238, 241, 249); position: relative;">

.save-the-date
```
<div class="save-the-date">
```

.portfolio

<div class="portfolio"><span>Port</span><span>folio</span></div>

.intro
```
<div class="intro">
```

.attention

<div class="btn attention"><a href="/overview/">Continue reading</a></div>

serious color-contrast — Elements must meet minimum color contrast ratio thresholds 6 nodes
Offending elements (5 of 6)
1. .portfolio > span:nth-child(1)
```
<span>Port</span>
```
2. .portfolio > span:nth-child(2)
```
<span>folio</span>
```
3. a[href$="overview/"]
```
<a href="/overview/">Continue reading</a>
```
4. a[href$="contribution"]
```
<a href="/contribution">My Github contributions</a>
```
5. a[href$="speaker"]
```
<a href="/speaker">My work as speaker</a>
```

serious link-name — Links must have discernible text 4 nodes

Offending elements

.icons > a[target="_blank"]:nth-child(1)

<a href="https://www.facebook.com/jodekadev" target="_blank"><i class="icon-facebook"></i></a>

a[target="_blank"]:nth-child(2)

<a href="https://twitter.com/JosefBiehler" target="_blank"><i class="icon-twitter"></i></a>

a[href$="gabbersepp/"]

<a href="https://github.com/gabbersepp/" target="_blank"><i class="icon-github-circled"></i></a>

a:nth-child(4)

<a href="mailto:support@biehler-josef.de"><i class="icon-envelope-open"></i></a>

critical image-alt — Images must have alternative text 1 node
Offending element
1. img
```
<img src="/assets/me2.jpg">
```

Accessibility failures 4 of 11 audits

color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 6 nodes
link-name — Links do not have a discernible name 4 nodes
target-size — Touch targets do not have sufficient size or spacing. 4 nodes
image-alt — Image elements do not have `[alt]` attributes 1 node

Best Practices failures 1 of 19 audits

errors-in-console — Browser errors were logged to the console 1 item

SEO failures 2 of 8 audits

meta-description — Document does not have a meta description
image-alt — Image elements do not have `[alt]` attributes 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 1 console error

Measurement log

Every stored run for this URL, newest first.

When	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 2, 2026, 11:02 PM UTC	78	2.19 s	0.335	39 ms	337 kB	3/3	±16	2,672 +7%	23.5s	Wayback
Sep 25, 2026, 11:21 AM UTC	91	3.31 s	0.001	43 ms	331 kB	3/3	±19	2,491 0%	22.7s	Wayback
Sep 18, 2026, 8:54 AM UTC	91	3.30 s	0.003	1 ms	332 kB	3/3	±18	2,972 +20%	21.6s	Wayback
Sep 11, 2026, 8:44 AM UTC	91	3.27 s	0.001	32 ms	332 kB	3/3	±1	2,469 -1%	22.6s	Wayback
Sep 4, 2026, 5:49 AM UTC	91	3.28 s	0.001	4 ms	332 kB	3/3	±17	2,348 -6%	22.7s	Wayback
Aug 28, 2026, 1:23 AM UTC	90	3.29 s	0.003	67 ms	332 kB	3/3	±11	2,438 -2%	22s	Wayback
Aug 20, 2026, 7:06 PM UTC	90	3.31 s	0.003	15 ms	332 kB	3/3	±18	2,501 +1%	22.8s	Wayback

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Embed this score

Use this web component to show biehler-josef.de'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://biehler-josef.de/"></speedlify2-score>

Stack

Lighthouse Scores LAB 🤖 Simulated

Metrics LAB

LCP Subparts LAB 🐇 Unthrottled

Page weight

By resource type

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 4 of 11 audits

Best Practices failures 1 of 19 audits

SEO failures 2 of 8 audits

Hygiene

Measurement log

Embed this score

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled