karatronics.de

Ranks Overall #1,411 Built Awesome #956

Data from Oct 4, 2026, 4:30 AM UTC 4d 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 Eleventy 2.0.1

Hosted by Netlify

Lighthouse Scores LAB Simulated

Performance

↑ +3 (+3.8%)

Accessibility

no change

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	4.36 s poor	↓ -1350 ms (-23.7%) significant 4.36 s – 6.02 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	→ no change 0 – 0.004
TBT Total Blocking Time	165 ms good	↑ +78 ms (+89.7%) significant 27 ms – 172 ms
FCP First Contentful Paint	1.80 s needs work	↑ +900 ms (+99.4%) 905 ms – 2.57 s
Speed Index	1.80 s good	↑ +765 ms (+73.6%) 1.04 s – 2.57 s
TTFB Time to First Byte	605 ms good	→ no change 605 ms – 631 ms

Metric

Lab Simulated

Value

Change / range

Trend

LCP CWV (estimate) Largest Contentful Paint

4.36 s poor

↓ -1350 ms (-23.7%) significant 4.36 s – 6.02 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

→ no change 0 – 0.004

TBT Total Blocking Time

165 ms good

↑ +78 ms (+89.7%) significant 27 ms – 172 ms

FCP First Contentful Paint

1.80 s needs work

↑ +900 ms (+99.4%) 905 ms – 2.57 s

Speed Index

1.80 s good

↑ +765 ms (+73.6%) 1.04 s – 2.57 s

TTFB Time to First Byte

605 ms good

→ no change 605 ms – 631 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 132 ms

resource load delay 114 ms

resource load duration 24 ms

time to first byte 7 ms

Page weight

Metric	Value	Change / range
Page Weight	2.00 MB	↑ +3.1 kB (+0.2%) 2.00 MB – 2.00 MB
Requests	59	→ no change 59 – 59
Third-party Weight	319 kB	↑ +3.3 kB (+1.1%) 311 kB – 319 kB
Third-party CPU	121 ms	↑ +42 ms (+53%) significant 59 ms – 121 ms
Unused JS	99.4 kB	↑ +1.5 kB (+1.6%) 93.5 kB – 99.4 kB
Unused CSS	21.3 kB	→ no change 21.3 kB – 21.3 kB

Metric

Value

Change / range

Trend

Page Weight

2.00 MB

↑ +3.1 kB (+0.2%) 2.00 MB – 2.00 MB

Requests

→ no change 59 – 59

Third-party Weight

319 kB

↑ +3.3 kB (+1.1%) 311 kB – 319 kB

Third-party CPU

121 ms

↑ +42 ms (+53%) significant 59 ms – 121 ms

Unused JS

99.4 kB

↑ +1.5 kB (+1.6%) 93.5 kB – 99.4 kB

Unused CSS

21.3 kB

→ no change 21.3 kB – 21.3 kB

By resource type

Type	Share	Size	Requests
media	50.6%	1.01 MB	1
font	19%	381 kB	7
script	15.7%	315 kB	9
image	13.3%	266 kB	34
stylesheet	0.8%	15.7 kB	4
document	0.5%	9.8 kB	1
other	0.1%	2.5 kB	3
Total		2.00 MB	59

Third parties 3 entities

Entity	Transfer	Size	Main thread Simulated
Google Tag Manager	script	178 kB	44 ms
JSDelivr CDN	script	85.5 kB	25 ms
Netlify	script	55.2 kB	52 ms
Total		319 kB	121 ms

Entity

Transfer

Size

Main thread Simulated

Google Tag Manager

script

178 kB

44 ms

JSDelivr CDN

script

85.5 kB

25 ms

Netlify

script

55.2 kB

52 ms

Total

319 kB

121 ms

Page health

Metric	Value	Change / range
Main Thread Work	1.47 s	↑ +226 ms (+18.1%) 1.10 s – 1.60 s
Long Tasks	4	↑ +1 (+33.3%) 2 – 6
DOM Elements	537	→ no change 537 – 547
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	57	→ no change 57 – 58
A11y Failures	2	→ no change 2 – 2
A11y Failing Nodes	8	→ no change 8 – 9

Metric

Value

Change / range

Trend

Main Thread Work

1.47 s

↑ +226 ms (+18.1%) 1.10 s – 1.60 s

Long Tasks

↑ +1 (+33.3%) 2 – 6

DOM Elements

537

→ no change 537 – 547

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

→ no change 57 – 58

A11y Failures

→ no change 2 – 2

A11y Failing Nodes

→ no change 8 – 9

Main thread work

Task	Share	Duration Simulated
other	37%	542 ms
script evaluation	30%	436 ms
style layout	17%	249 ms
script parse compile	9%	129 ms
paint composite render	5%	71 ms
parse HTML	3%	45 ms
Total		1.47 s

Task

Time

Duration Simulated

other

37%

542 ms

script evaluation

30%

436 ms

style layout

17%

249 ms

script parse compile

129 ms

paint composite render

71 ms

parse HTML

45 ms

Total

1.47 s

Axe violations axe-core 4.13.0, full rule set

57 violating nodes across 3 rules, 745 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 49 nodes

Offending elements (5 of 49)

#myVideo

<video class="video" autoplay="" loop="" muted="" id="myVideo" playsinline=""><source src="/videos/karatronicshero.webm" type="video/webm"></video>

h1

<h1>In Deutschland<br>engagiert,<br>regional rekrutiert.</h1>

.column-row > p

<p>Die Experten für passgenaue Personalbeschaffung – flexibel in jeder Vertragsform individuell nach Ihren Bedürfnissen.</p>

.hero-logo-column
```
<div class="column hero-logo-column">
```
#secondflow > h2
```
<h2>Ausgewählte Projekte</h2>
```

serious color-contrast — Elements must meet minimum color contrast ratio thresholds 7 nodes

Offending elements (5 of 7)

.arealink[href$="logistik/"]

<a class="arealink" href="/logistik/">Mehr anzeigen <img src="/images/icons/angle-up.svg" alt="weiterleitung" width="18" height="16"></a>

.areacard:nth-child(3) > .column:nth-child(2) > .arealink[href$="it/"]

<a class="arealink" href="/it/">Mehr anzeigen <img src="/images/icons/angle-up.svg" alt="weiterleitung" width="18" height="16"></a>

.arealink[href$="sicherheit/"]

<a class="arealink" href="/sicherheit/">Mehr anzeigen <img src="/images/icons/angle-up.svg" alt="weiterleitung" width="18" height="16"></a>

.arealink[href$="aviation/"]

<a class="arealink" href="/aviation/">Mehr anzeigen <img src="/images/icons/angle-up.svg" alt="weiterleitung" width="18" height="16"></a>

a[href$="produktion/"]

<a class="arealink" href="/produktion/">Mehr anzeigen <img src="/images/icons/angle-up.svg" alt="weiterleitung" width="18" height="16"></a>

critical button-name — Buttons must have discernible text 1 node

Offending element

#navbutton

<button class="headerbtn" id="navbutton"><span class="headermenu hide-mobile">MENÜ</span><div class="column"><span class="navline line1"></span> <span class="navline line2"></span> <span class="navli…

Accessibility failures 2 of 24 audits

color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 7 nodes
button-name — Buttons do not have an accessible name 1 node

Best Practices failures 1 of 19 audits

image-aspect-ratio — Displays images with incorrect aspect ratio 2 items

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 4, 2026, 4:30 AM UTC	82	4.36 s	0	165 ms	2.00 MB	3/3	±15	2,487 0%	32.5s	Wayback
Sep 27, 2026, 12:17 AM UTC	79	5.71 s	0	87 ms	2.00 MB	3/3	±10	2,960 +19%	28.7s	Wayback
Sep 19, 2026, 10:08 PM UTC	79	5.66 s	0.004	27 ms	2.00 MB	3/3	±10	4,364 +76%	28.7s	Wayback
Sep 12, 2026, 9:14 PM UTC	72	6.02 s	0	170 ms	2.00 MB	3/3	±6	2,483 0%	33.7s	Wayback
Sep 5, 2026, 5:58 PM UTC	79	4.58 s	0	137 ms	2.00 MB	3/3	±12	2,252 -9%	34.1s	Wayback
Aug 29, 2026, 5:01 PM UTC	77	5.65 s	0.004	145 ms	2.00 MB	3/3	±11	2,634 +6%	33.1s	Wayback
Aug 21, 2026, 3:04 AM UTC	76	5.95 s	0	172 ms	2.00 MB	2/3	±9	2,343 -6%	105.9s	Wayback

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

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Stack

Lighthouse Scores LAB 🤖 Simulated

Metrics LAB

LCP Subparts LAB 🐇 Unthrottled

Page weight

By resource type

Third parties 3 entities

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 2 of 24 audits

Best Practices failures 1 of 19 audits

Hygiene

Measurement log

Embed this score

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled