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https://ihk.de

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
83
GRADE
B
FIX
3
REVIEW
3
PASS
9
INFO
2

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
44
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
92
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

3.08 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

7.62 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

1.06 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.030

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

5.32 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

12.04 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
17
9 PASS 3 REVIEW 3 FIX
D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (1.2 MiB of 1.2 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2886ms total JS execution
FIX
2886ms total JS execution
Warning::
https://www.ihk.de/blueprint/servlet/resource/them...: 1412ms CPU time
Warning::
https://www.ihk.de/: 409ms CPU time
Warning::
Unattributable: 315ms CPU time
Warning::
https://www.ihk.de/blueprint/servlet/resource/them...: 261ms CPU time
Info::
https://ihk24.epccm19.com/app.js?apiKey=1ea1dd88e7...: 207ms CPU time
Warning::
Third-party scripts: 2886ms (100% of total)

Main Thread Breakdown

Script Evaluation 51% Other 14% Style & Layout 13% Parse HTML & CSS 13% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/js/ihk-finder-5579438-15.js1412ms983ms19ms3rd
https://www.ihk.de/409ms6ms3ms3rd
Unattributable315ms7ms0ms3rd
https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/js/gfilibs-5579434-17.js261ms174ms54ms3rd
https://ihk24.epccm19.com/app.js?apiKey=1ea1dd88e74e9deb745262fb3105eb9babfd935ba151be83&domain=f82a90a207ms98ms15ms3rd
https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/js/ihk24-2022-chunked-5579440-24.js196ms133ms37ms3rd
https://code.etracker.com/code/e.js87ms71ms13ms3rd
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Page Weight Budget
1.2 MB transferred, 41 requests
REVIEW
1.2 MB transferred, 41 requests
Info::
Page weighs 3.2 MB (1.2 MB transferred)
Info::
Fonts are 413 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 413 KB
Info::
41 HTTP requests
Info::
Estimated 0.25 g CO2 per page load
1.2 MB / 2.4 MB budget
1.2 MB transferred
41 requests
0.25 g CO2 per page load
Fonts 413.5 KiB 34%
JavaScript 345.9 KiB 28%
Other 295.4 KiB 24%
CSS 126.7 KiB 10%
Other 15.6 KiB 1%
Images 11.6 KiB 1%
HTML 10.7 KiB 1%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

C
JS Bundles
Action
9 scripts, 156 KB unused
REVIEW
9 scripts, 156 KB unused
Warning::
https://www.ihk.de/blueprint/servlet/resource/them...: 91 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.ihk.de/blueprint/servlet/resource/them...: 40 KB unused (60%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.ihk.de/blueprint/servlet/resource/them...: 25 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 156 KB
156 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/js/gfilibs-5579434-17.js138 KB91 KB (70%)✓3rd
https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/js/ihk24-2022-chunked-5579440-24.js74 KB40 KB (60%)✓3rd
https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/js/ihk-finder-5579438-15.js57 KB25 KB (51%)✓3rd
https://ihk24.epccm19.com/app.js?apiKey=1ea1dd88e74e9deb745262fb3105eb9babfd935ba151be83&domain=f82a90a31 KB—✓3rd
https://www.ihk.de/blueprint/servlet/resource/system/defaults/patch-4179742-15.js7 KB—✓3rd
https://code.etracker.com/code/e.js31 KB—✓3rd
https://ihk24.epccm19.com/plugins/Ccm19ScriptPlaceholder/module.js?apiKey=1ea1dd88e74e9deb745262fb3105eb9babfd935ba151be83&domain=f82a90a&gen=2&theme=53d6a80&lang=de_DE&v=17768080282 KB—✓3rd
https://code.etracker.com/t.js?v=ee485f6&et=1bxU6m6 KB—✓3rd
https://www.etracker.de/cntcc?&&et=1bxU6m&v=6.0&tc=17768181228478&pagename=%5BIHK_DE%20IHK24%5D%20Startseite%20%5B1-5246320%5D%20&ilevel=1&areas=IHK24%2FIHK_DE%2Fihkde_channel&et_se=1&et_source_url=https%3A%2F%2Fwww.ihk.de%2F&cc_ordercurr=EUR&cc_ordertype=lead&cc_baskettype=basket&et_seg2=%5Bnicht%20angemeldet%5D&block_cookies=true&respect_dnt=true&et_bs=1&code_source=https%3A%2F%2Fcode.etracker.com%2Fcode%2Fe.js&code_async=true&page_id=818122467&et_sbscr=0&coid=de914c03a7844693c2fb9641ec82ad7d&et_cblk=1&et_cd=www.ihk.de&dh=8ldca%2F1yDFhDQRcFbNTrntxK3BL5z75n&clt=240 KB—✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

B
Page Weight Inventory
41 resources · 1.2 MB · 156 KB savings available
REVIEW
41 resources · 1.2 MB · 156 KB savings available
Warning::
Page weight 195 KB over 1MB target
Got: 1.2 MB Expected: ≤ 1 MB
Info::
~156 KB of savings available
Warning::
40 third-party resources (100% of weight)
Info::
1 resources over 200KB
41 resources · 1.2 MiB · 40 third-party 195.2 KiB over 1MB target
Font 34% · 413.5 KiB
JavaScript 28% · 345.9 KiB
Other 24% · 295.4 KiB
CSS 10% · 126.7 KiB
Image 2% · 19.0 KiB
Document 2% · 18.8 KiB

~156.4 KiB of savings available

Remove unused JavaScript: 156.4 KiB
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A
Image Optimization
4 images, 0 KB saveable
PASS
4 images, 0 KB saveable
Warning::
https://www.ihk.de/blueprint/servlet/resource/crbl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
4 images 12 KB
0 oversized -0 KB
2 legacy format
1 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

A+
Font Loading
13 fonts (413 KB)
PASS
13 fonts (413 KB)
Info::
13 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

13

413 KB total

Render-blocking

0

of 13

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 3.1 s LCP 7.6 shttps://www.ihk.de/blueprint/servlet/resource/crblob/5579336/ad109ffb72027621ba35ce7c1015e1a8/icons-woff2-data.woff2icons-woff2-data.woff2 https://www.ihk.de/blueprint/servlet/resource/crblob/5579336/ad109ffb72027621ba35ce7c1015e1a8/icons-woff2-data.woff2 — 70.8 KiB — 229 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579344/c9d20f25374ac3bddb796544e0aafba5/ihk24-fontawesome-woff2-data.woff2ihk24-fontawesome-woff2... https://www.ihk.de/blueprint/servlet/resource/crblob/5579344/c9d20f25374ac3bddb796544e0aafba5/ihk24-fontawesome-woff2-data.woff2 — 10.3 KiB — 332 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579352/23aeda9396f2298ffa334c5daeca1e48/korb-webfont-woff2-data.woff2korb-webfont-woff2-data... https://www.ihk.de/blueprint/servlet/resource/crblob/5579352/23aeda9396f2298ffa334c5daeca1e48/korb-webfont-woff2-data.woff2 — 26.1 KiB — 357 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579360/6705f2dc67941c23889ae0b39624f72d/korb-bold-webfont-woff2-data.woff2korb-bold-webfont-woff2... https://www.ihk.de/blueprint/servlet/resource/crblob/5579360/6705f2dc67941c23889ae0b39624f72d/korb-bold-webfont-woff2-data.woff2 — 26.0 KiB — 556 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579368/8489109afa2827c69dc1831698c73a4c/sourcesanspro-bold-webfont-woff2-data.woff2sourcesanspro-bold-webf... https://www.ihk.de/blueprint/servlet/resource/crblob/5579368/8489109afa2827c69dc1831698c73a4c/sourcesanspro-bold-webfont-woff2-data.woff2 — 27.7 KiB — 555 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579376/e7f259ff9249200fc38127d6f7c30af2/sourcesanspro-it-webfont-woff2-data.woff2sourcesanspro-it-webfon... https://www.ihk.de/blueprint/servlet/resource/crblob/5579376/e7f259ff9249200fc38127d6f7c30af2/sourcesanspro-it-webfont-woff2-data.woff2 — 28.3 KiB — 553 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579384/8bba3dafc67ddcfbf779a848f03139e1/sourcesanspro-light-webfont-woff2-data.woff2sourcesanspro-light-web... https://www.ihk.de/blueprint/servlet/resource/crblob/5579384/8bba3dafc67ddcfbf779a848f03139e1/sourcesanspro-light-webfont-woff2-data.woff2 — 28.3 KiB — 557 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579392/265925f64acbdf5b0947583af8930207/sourcesanspro-regular-webfont-woff2-data.woff2sourcesanspro-regular-w... https://www.ihk.de/blueprint/servlet/resource/crblob/5579392/265925f64acbdf5b0947583af8930207/sourcesanspro-regular-webfont-woff2-data.woff2 — 28.2 KiB — 488 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579400/0f6202a6bd6c5a9ef14884a32216e2f7/sourcesanspro-semibold-webfont-woff2-data.woff2sourcesanspro-semibold-... https://www.ihk.de/blueprint/servlet/resource/crblob/5579400/0f6202a6bd6c5a9ef14884a32216e2f7/sourcesanspro-semibold-webfont-woff2-data.woff2 — 28.2 KiB — 618 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579334/57a3d6896f0ad5da82a8d62b8f92bb4f/icons-woff-data.wofficons-woff-data.woff https://www.ihk.de/blueprint/servlet/resource/crblob/5579334/57a3d6896f0ad5da82a8d62b8f92bb4f/icons-woff-data.woff — 40.4 KiB — 135 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579350/4b6d351066c910d54a83015750237933/korb-webfont-woff-data.woffkorb-webfont-woff-data.... https://www.ihk.de/blueprint/servlet/resource/crblob/5579350/4b6d351066c910d54a83015750237933/korb-webfont-woff-data.woff — 31.4 KiB — 132 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579390/dae881d202bf63eb1a76f74e9d079fb2/sourcesanspro-regular-webfont-woff-data.woffsourcesanspro-regular-w... https://www.ihk.de/blueprint/servlet/resource/crblob/5579390/dae881d202bf63eb1a76f74e9d079fb2/sourcesanspro-regular-webfont-woff-data.woff — 33.9 KiB — 206 ms — font-display: swaphttps://www.ihk.de/blueprint/servlet/resource/crblob/5579398/c361577905af72a13717309ead9fa471/sourcesanspro-semibold-webfont-woff-data.woffsourcesanspro-semibold-... https://www.ihk.de/blueprint/servlet/resource/crblob/5579398/c361577905af72a13717309ead9fa471/sourcesanspro-semibold-webfont-woff-data.woff — 34.0 KiB — 133 ms — font-display: swap
icons-woff2-data.woff2 woff2 swap
Size 71 KB
Load time 229 ms
Start 782 ms
Risk FOUT — text flashes from fallback to web font
ihk24-fontawesome-woff2... woff2 swap
Size 10 KB
Load time 332 ms
Start 782 ms
Risk FOUT — text flashes from fallback to web font
korb-webfont-woff2-data... woff2 swap
Size 26 KB
Load time 357 ms
Start 783 ms
Risk FOUT — text flashes from fallback to web font
korb-bold-webfont-woff2... woff2 swap
Size 26 KB
Load time 556 ms
Start 784 ms
Risk FOUT — text flashes from fallback to web font
sourcesanspro-bold-webf... woff2 swap
Size 28 KB
Load time 555 ms
Start 785 ms
Risk FOUT — text flashes from fallback to web font
sourcesanspro-it-webfon... woff2 swap
Size 28 KB
Load time 553 ms
Start 786 ms
Risk FOUT — text flashes from fallback to web font
sourcesanspro-light-web... woff2 swap
Size 28 KB
Load time 557 ms
Start 786 ms
Risk FOUT — text flashes from fallback to web font
sourcesanspro-regular-w... woff2 swap
Size 28 KB
Load time 488 ms
Start 786 ms
Risk FOUT — text flashes from fallback to web font
sourcesanspro-semibold-... woff2 swap
Size 28 KB
Load time 618 ms
Start 787 ms
Risk FOUT — text flashes from fallback to web font
icons-woff-data.woff woff swap
Size 40 KB
Load time 135 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
korb-webfont-woff-data.... woff swap
Size 31 KB
Load time 132 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
sourcesanspro-regular-w... woff swap
Size 34 KB
Load time 206 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
sourcesanspro-semibold-... woff swap
Size 34 KB
Load time 133 ms
Start 2.2 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)

Fixing the unchecked items could save ~42 KB and ~84 ms

A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
11 hints, 0 missing preconnects
PASS
11 hints, 0 missing preconnects
Info::
Page uses 11 resource hint(s)

Current Resource Hints

preconnect
1
preload
9
dns-prefetch
—
prefetch
1

11 resource hints configured

A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: OVHcloud

Network Waterfall
41 requests over 2640ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 3.1 s LCP 7.6 shttps://ihk.de// https://ihk.de/ — 301 — 187 B — 383 ms — http/1.1https://www.ihk.de/www.ihk.de/ https://www.ihk.de/ — 200 — 10.7 KiB — 380 ms — http/1.1https://ihk24.epccm19.com/app.js?apiKey=1ea1dd88e74e9deb745262fb3105eb9babfd935ba151be83&domain=f82a90aihk24.epccm19.com/app.js?apiKey=1ea... https://ihk24.epccm19.com/app.js?apiKey=1ea1dd88e74e9deb745262fb3105eb9babfd935ba151be83&domain=f82a90a — 200 — 30.8 KiB — 567 ms — h2https://www.ihk.de/blueprint/servlet/resource/crblob/5579336/ad109ffb72027621ba35ce7c1015e1a8/icons-woff2-data.woff2www.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/crblob/5579336/ad109ffb72027621ba35ce7c1015e1a8/icons-woff2-data.woff2 — 200 — 70.8 KiB — 229 ms — http/1.1https://www.ihk.de/blueprint/servlet/resource/crblob/5579344/c9d20f25374ac3bddb796544e0aafba5/ihk24-fontawesome-woff2-data.woff2www.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/crblob/5579344/c9d20f25374ac3bddb796544e0aafba5/ihk24-fontawesome-woff2-data.woff2 — 200 — 10.3 KiB — 332 ms — http/1.1https://www.ihk.de/blueprint/servlet/resource/crblob/5579352/23aeda9396f2298ffa334c5daeca1e48/korb-webfont-woff2-data.woff2www.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/crblob/5579352/23aeda9396f2298ffa334c5daeca1e48/korb-webfont-woff2-data.woff2 — 200 — 26.1 KiB — 357 ms — http/1.1https://www.ihk.de/blueprint/servlet/resource/crblob/5579360/6705f2dc67941c23889ae0b39624f72d/korb-bold-webfont-woff2-data.woff2www.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/crblob/5579360/6705f2dc67941c23889ae0b39624f72d/korb-bold-webfont-woff2-data.woff2 — 200 — 26.0 KiB — 556 ms — http/1.1https://www.ihk.de/blueprint/servlet/resource/crblob/5579368/8489109afa2827c69dc1831698c73a4c/sourcesanspro-bold-webfont-woff2-data.woff2www.ihk.de/blueprint/servlet/resour... 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http/1.1https://www.ihk.de/blueprint/servlet/resource/crblob/5579392/265925f64acbdf5b0947583af8930207/sourcesanspro-regular-webfont-woff2-data.woff2www.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/crblob/5579392/265925f64acbdf5b0947583af8930207/sourcesanspro-regular-webfont-woff2-data.woff2 — 200 — 28.2 KiB — 488 ms — http/1.1https://www.ihk.de/blueprint/servlet/resource/crblob/5579400/0f6202a6bd6c5a9ef14884a32216e2f7/sourcesanspro-semibold-webfont-woff2-data.woff2www.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/crblob/5579400/0f6202a6bd6c5a9ef14884a32216e2f7/sourcesanspro-semibold-webfont-woff2-data.woff2 — 200 — 28.2 KiB — 618 ms — http/1.1https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/css/ihk24-2022-5579478-30.csswww.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/themes/ihk24-2022/css/ihk24-2022-5579478-30.css — 200 — 96.0 KiB — 502 ms — 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h2https://ihk24.epccm19.com/statistics/consent?apiKey=1ea1dd88e74e9deb745262fb3105eb9babfd935ba151be83&domain=f82a90a&gen=2&theme=53d6a80ihk24.epccm19.com/statistics/consen... https://ihk24.epccm19.com/statistics/consent?apiKey=1ea1dd88e74e9deb745262fb3105eb9babfd935ba151be83&domain=f82a90a&gen=2&theme=53d6a80 — 200 — 747 B — 115 ms — h2https://www.ihk.de/blueprint/servlet/resource/blob/5246320/1e8a9477f7b6de2f707bce9455ff738f/ihkde-channel-favicon.icowww.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/blob/5246320/1e8a9477f7b6de2f707bce9455ff738f/ihkde-channel-favicon.ico — 200 — 7.4 KiB — 131 ms — http/1.1https://www.ihk.de/blueprint/servlet/serviceport/ihk-list/communitieswww.ihk.de/blueprint/servlet/servic... https://www.ihk.de/blueprint/servlet/serviceport/ihk-list/communities — 200 — 207.5 KiB — 262 ms — http/1.1https://www.ihk.de/blueprint/servlet/resource/crblob/5579398/c361577905af72a13717309ead9fa471/sourcesanspro-semibold-webfont-woff-data.woffwww.ihk.de/blueprint/servlet/resour... https://www.ihk.de/blueprint/servlet/resource/crblob/5579398/c361577905af72a13717309ead9fa471/sourcesanspro-semibold-webfont-woff-data.woff — 200 — 34.0 KiB — 133 ms — http/1.1https://www.etracker.de/cntcc?&&et=1bxU6m&v=6.0&tc=17768181228478&pagename=%5BIHK_DE%20IHK24%5D%20Startseite%20%5B1-5246320%5D%20&ilevel=1&areas=IHK24%2FIHK_DE%2Fihkde_channel&et_se=1&et_source_url=https%3A%2F%2Fwww.ihk.de%2F&cc_ordercurr=EUR&cc_ordertype=lead&cc_baskettype=basket&et_seg2=%5Bnicht%20angemeldet%5D&block_cookies=true&respect_dnt=true&et_bs=1&code_source=https%3A%2F%2Fcode.etracker.com%2Fcode%2Fe.js&code_async=true&page_id=818122467&et_sbscr=0&coid=de914c03a7844693c2fb9641ec82ad7d&et_cblk=1&et_cd=www.ihk.de&dh=8ldca%2F1yDFhDQRcFbNTrntxK3BL5z75n&clt=24www.etracker.de/cntcc?&&et=1bxU6m&v... https://www.etracker.de/cntcc?&&et=1bxU6m&v=6.0&tc=17768181228478&pagename=%5BIHK_DE%20IHK24%5D%20Startseite%20%5B1-5246320%5D%20&ilevel=1&areas=IHK24%2FIHK_DE%2Fihkde_channel&et_se=1&et_source_url=https%3A%2F%2Fwww.ihk.de%2F&cc_ordercurr=EUR&cc_ordertype=lead&cc_baskettype=basket&et_seg2=%5Bnicht%20angemeldet%5D&block_cookies=true&respect_dnt=true&et_bs=1&code_source=https%3A%2F%2Fcode.etracker.com%2Fcode%2Fe.js&code_async=true&page_id=818122467&et_sbscr=0&coid=de914c03a7844693c2fb9641ec82ad7d&et_cblk=1&et_cd=www.ihk.de&dh=8ldca%2F1yDFhDQRcFbNTrntxK3BL5z75n&clt=24 — 200 — 126 B — 433 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 2886ms · 330KB · €40/mo
www.ihk.de
Other
Costly
Execution 1412ms
Transfer 57 KB
Unused 51%
Monthly Cost €20/mo
www.ihk.de
Other
Costly
Execution 409ms
Transfer 0 KB
Monthly Cost €6/mo
Unattributable
Other
Costly
Execution 315ms
Transfer 0 KB
Monthly Cost €4/mo
www.ihk.de
Other
Costly
Execution 261ms
Transfer 138 KB
Unused 70%
Monthly Cost €4/mo
ihk24.epccm19.com
Other
Costly
Execution 207ms
Transfer 31 KB
Monthly Cost €3/mo
www.ihk.de
Other
Optional
Execution 196ms
Transfer 74 KB
Unused 60%
Monthly Cost €3/mo
code.etracker.com
Other
Optional
Execution 87ms
Transfer 31 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.ihk.de adds 1412ms and costs ~€20/month
  • www.ihk.de adds 409ms and costs ~€6/month
  • Unattributable adds 315ms and costs ~€4/month
  • www.ihk.de adds 261ms and costs ~€4/month
  • ihk24.epccm19.com adds 207ms and costs ~€3/month

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.

Learn more ▾

Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.

Source: web.dev

www.ihk.de takes 1412ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

51% of www.ihk.de's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

www.ihk.de takes 409ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

Unattributable takes 315ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

www.ihk.de takes 261ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

70% of www.ihk.de's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

ihk24.epccm19.com takes 207ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

60% of www.ihk.de's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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