Tools & Wizards About Us
vhs-karlsruhe.de screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

vhs-karlsruhe.de

vhs Karlsruhe: Weiterbildung und Austausch für alle - vhs Karlsruhe

Page Load Speed

4.7 sec in total

First Response

898 ms

Resources Loaded

3.4 sec

Page Rendered

480 ms

vhs-karlsruhe.de screenshot

About Website

Welcome to vhs-karlsruhe.de homepage info - get ready to check Vhs Karlsruhe best content for Germany right away, or after learning these important things about vhs-karlsruhe.de

Willkommen bei der vhs Karlsruhe! Ihrem Zentrum für Weiterbildung und Austausch in allen wesentlichen Lebensbereichen...

Visit vhs-karlsruhe.de

Key Findings

We analyzed Vhs-karlsruhe.de page load time and found that the first response time was 898 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vhs-karlsruhe.de performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.225

55/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

www.vhs-karlsruhe.de

898 ms

webfont.css

99 ms

merged-0807c73cae40128e0f3fd2fb6389242d-6f0fca9f56a01150ffc21ec2781f46dd.css

199 ms

3cc8aca8f3-8510df047333941a4df4cd30e93d0357.css

294 ms

merged-a4fee33652971334a8d15117f9f7a51f-7e3625988d70182a8bfe9fa8c12571ba.css

595 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to Vhs-karlsruhe.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Vhs-karlsruhe.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 270.6 kB (30%)

Content Size

907.4 kB

After Optimization

636.8 kB

  • HTML
  • Images

In fact, the total size of Vhs-karlsruhe.de main page is 907.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 656.3 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 228.9 kB

  • Original 251.1 kB
  • After minification 166.8 kB
  • After compression 22.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 84.3 kB, which is 34% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 228.9 kB or 91% of the original size.

Image Optimization

-6%

Potential reduce by 41.7 kB

  • Original 656.3 kB
  • After minification 614.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Vhs Karlsruhe images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 7 (22%)

Requests Now

32

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vhs Karlsruhe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.vhs-karlsruhe.de

www.vhs-karlsruhe.de

898 ms

webfont.css

webfont.css

99 ms

merged-0807c73cae40128e0f3fd2fb6389242d-6f0fca9f56a01150ffc21ec2781f46dd.css

merged-0807c73cae40128e0f3fd2fb6389242d-6f0fca9f56a01150ffc21ec2781f46dd.css

199 ms

3cc8aca8f3-8510df047333941a4df4cd30e93d0357.css

3cc8aca8f3-8510df047333941a4df4cd30e93d0357.css

294 ms

merged-a4fee33652971334a8d15117f9f7a51f-7e3625988d70182a8bfe9fa8c12571ba.css

merged-a4fee33652971334a8d15117f9f7a51f-7e3625988d70182a8bfe9fa8c12571ba.css

595 ms

www.vhs-karlsruhe.de

www.vhs-karlsruhe.de

385 ms

modernizr.min-6d0f1e9e3b55c449e037da1ad7174ad3.js

modernizr.min-6d0f1e9e3b55c449e037da1ad7174ad3.js

297 ms

merged-663fc1c91fd5b36ab04c2e9fe17e1aa9-87f8ab43b5eb9f7de8e57feba575645e.js

merged-663fc1c91fd5b36ab04c2e9fe17e1aa9-87f8ab43b5eb9f7de8e57feba575645e.js

341 ms

merged-d5c709f04642154ef45b1b884df81104-4d6aed3cd268a9bf3de4ac5c8f7e7e27.js

merged-d5c709f04642154ef45b1b884df81104-4d6aed3cd268a9bf3de4ac5c8f7e7e27.js

1113 ms

merged-dfe4a84585495685fe6c5b5a9d35c56d-238881ed45b25ae7daf65bd239d26e11.js

merged-dfe4a84585495685fe6c5b5a9d35c56d-238881ed45b25ae7daf65bd239d26e11.js

487 ms

vhs_ka_logo.svg

vhs_ka_logo.svg

105 ms

logo-inverted.svg

logo-inverted.svg

108 ms

csm_Alfa-Siegel_logo-ohne-subline_615ba86a3b.jpg

csm_Alfa-Siegel_logo-ohne-subline_615ba86a3b.jpg

111 ms

slider-kreativ-canva-oma-c-oneinchpunch_kreide-nadzeya-kizilava-gettyimages_ausstellung-c-pixelshot_foto-pixelfusion3d-gettyimagessignature.jpg

slider-kreativ-canva-oma-c-oneinchpunch_kreide-nadzeya-kizilava-gettyimages_ausstellung-c-pixelshot_foto-pixelfusion3d-gettyimagessignature.jpg

427 ms

Slider_wandern-canva-c-michael-jung-gettyimagespro_botanischer-garten-karlsruhe-5400977-c-saraahbu-pixabay_storch-canva-blickpixel-pixabay.jpg

Slider_wandern-canva-c-michael-jung-gettyimagespro_botanischer-garten-karlsruhe-5400977-c-saraahbu-pixabay_storch-canva-blickpixel-pixabay.jpg

423 ms

csm_ts-jukks-ferienkalender-c-drubig-photo-AdobeStock_a276008eca.jpg

csm_ts-jukks-ferienkalender-c-drubig-photo-AdobeStock_a276008eca.jpg

425 ms

csm_ts-menschenkette-buendnis-demokratie2_3d3cd2f6f7.jpg

csm_ts-menschenkette-buendnis-demokratie2_3d3cd2f6f7.jpg

423 ms

csm_ts-blog-tn-stimmen-canva-mockup_1615eaa78f.jpg

csm_ts-blog-tn-stimmen-canva-mockup_1615eaa78f.jpg

423 ms

csm_ts-wahlen-canva-c-wayra-gettyimagessignature_2a2f1b0073.jpg

csm_ts-wahlen-canva-c-wayra-gettyimagessignature_2a2f1b0073.jpg

423 ms

csm_empf_pamina_Kreis_300x300px_8d90e4d241.jpg

csm_empf_pamina_Kreis_300x300px_8d90e4d241.jpg

425 ms

csm_empf-Abendschule-Hebelrealschule-c-sandra-caesar_0ba3b6281f.jpg

csm_empf-Abendschule-Hebelrealschule-c-sandra-caesar_0ba3b6281f.jpg

424 ms

csm_empf-laufbahnberatung-canva-c-ferrantraite-gettyimagessignature_90cf3db39d.png

csm_empf-laufbahnberatung-canva-c-ferrantraite-gettyimagessignature_90cf3db39d.png

492 ms

csm_Kursheft-02-2024_881d6aec4b.png

csm_Kursheft-02-2024_881d6aec4b.png

425 ms

csm_10-Logo-Demokratie-Menschenrechte_5a44f35f02.png

csm_10-Logo-Demokratie-Menschenrechte_5a44f35f02.png

426 ms

csm_04-Partner-Xpert-Business_d16dcedaef.png

csm_04-Partner-Xpert-Business_d16dcedaef.png

426 ms

csm_05-Partner-NetzwerkFortbildung-Business_0497ffbd96.png

csm_05-Partner-NetzwerkFortbildung-Business_0497ffbd96.png

427 ms

csm_08-Partner-Staerke_9db4dccabf.png

csm_08-Partner-Staerke_9db4dccabf.png

444 ms

csm_06-Partner-FernUni_e0f865686d.png

csm_06-Partner-FernUni_e0f865686d.png

452 ms

csm_07-Partner-SAP_b974adbeef.png

csm_07-Partner-SAP_b974adbeef.png

487 ms

11-logo-Online_vhs_bw.png

11-logo-Online_vhs_bw.png

490 ms

02-logo-alphasiegel-kl4.png

02-logo-alphasiegel-kl4.png

490 ms

Logovhs_Verband_Zeichenflaeche_1.svg

Logovhs_Verband_Zeichenflaeche_1.svg

558 ms

xx_4946-Bearbeitet_Panorama_neu7.jpg

xx_4946-Bearbeitet_Panorama_neu7.jpg

919 ms

va9E4kDNxMZdWfMOD5Vvl4jN.woff

va9E4kDNxMZdWfMOD5Vvl4jN.woff

160 ms

va9E4kDNxMZdWfMOD5Vvl4jN.woff

va9E4kDNxMZdWfMOD5Vvl4jN.woff

590 ms

va9B4kDNxMZdWfMOD5VnPKreRhf8.woff

va9B4kDNxMZdWfMOD5VnPKreRhf8.woff

591 ms

va9B4kDNxMZdWfMOD5VnSKzeRhf8.woff

va9B4kDNxMZdWfMOD5VnSKzeRhf8.woff

590 ms

va9B4kDNxMZdWfMOD5VnLK3eRhf8.woff

va9B4kDNxMZdWfMOD5VnLK3eRhf8.woff

591 ms

va9f4kDNxMZdWfMOD5VvkrAWRSf4VF8.woff

va9f4kDNxMZdWfMOD5VvkrAWRSf4VF8.woff

592 ms

fa-solid-900.woff

fa-solid-900.woff

593 ms

fa-regular-400.woff

fa-regular-400.woff

593 ms

wEOsEADFm8hSaQTFG18FErVhsC9x-tarWSnJuMR0dA.woff

wEOsEADFm8hSaQTFG18FErVhsC9x-tarWSnJuMR0dA.woff

593 ms

wEOsEADFm8hSaQTFG18FErVhsC9x-tarWU3IuMR0dA.woff

wEOsEADFm8hSaQTFG18FErVhsC9x-tarWU3IuMR0dA.woff

595 ms

wEOsEADFm8hSaQTFG18FErVhsC9x-tarWQXOuMR0dA.woff

wEOsEADFm8hSaQTFG18FErVhsC9x-tarWQXOuMR0dA.woff

593 ms

wEOhEADFm8hSaQTFG18FErVhsC9x-tarUfbtqw.woff

wEOhEADFm8hSaQTFG18FErVhsC9x-tarUfbtqw.woff

594 ms

fa-brands-400.woff

fa-brands-400.woff

594 ms

Accessibility Review

vhs-karlsruhe.de accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

vhs-karlsruhe.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

vhs-karlsruhe.de SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vhs-karlsruhe.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Vhs-karlsruhe.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

vhs-karlsruhe.de

Open Graph description is not detected on the main page of Vhs Karlsruhe. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: