Tools & Wizards About Us
vhs-bottrop.de screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vhs-bottrop.de

Volkshochschule der Stadt Bottrop

Page Load Speed

4.5 sec in total

First Response

365 ms

Resources Loaded

3.7 sec

Page Rendered

461 ms

vhs-bottrop.de screenshot

About Website

Visit vhs-bottrop.de now to see the best up-to-date Vhs Bottrop content and also check out these interesting facts you probably never knew about vhs-bottrop.de

Vielfältige Weiterbildungsangebote auf Basis des Weiterbildungsgesetzes NRW. Informationen zu aktuellen Bildungsangeboten, Anmeldeinformationen und Kontaktdaten.

Visit vhs-bottrop.de

Key Findings

We analyzed Vhs-bottrop.de page load time and found that the first response time was 365 ms and then it took 4.2 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-bottrop.de performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value7.1 s

30/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

vhs-bottrop.de

365 ms

vhs-bottrop.de

454 ms

www.vhs-bottrop.de

353 ms

www.vhs-bottrop.de

941 ms

style.min.css

221 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 96% of them (53 requests) were addressed to the original Vhs-bottrop.de, 4% (2 requests) were made to Cdn.eye-able.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Vhs-bottrop.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.3 kB (8%)

Content Size

2.8 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vhs-bottrop.de main page is 2.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 83.0 kB

  • Original 99.9 kB
  • After minification 96.7 kB
  • After compression 16.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 83.0 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 142.3 kB

  • Original 2.3 MB
  • After minification 2.1 MB

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 Bottrop images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 593 B

  • Original 323.9 kB
  • After minification 323.8 kB
  • After compression 323.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 417 B

  • Original 58.2 kB
  • After minification 58.2 kB
  • After compression 57.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Vhs-bottrop.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (51%)

Requests Now

49

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vhs Bottrop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vhs-bottrop.de

vhs-bottrop.de

365 ms

vhs-bottrop.de

vhs-bottrop.de

454 ms

www.vhs-bottrop.de

www.vhs-bottrop.de

353 ms

www.vhs-bottrop.de

www.vhs-bottrop.de

941 ms

style.min.css

style.min.css

221 ms

style-index.css

style-index.css

332 ms

style-index.css

style-index.css

333 ms

styles.css

styles.css

336 ms

font-awesome.min.css

font-awesome.min.css

338 ms

bootstrap.min.css

bootstrap.min.css

450 ms

jquery-ui.min.css

jquery-ui.min.css

349 ms

theme.css

theme.css

444 ms

smartslider.min.css

smartslider.min.css

447 ms

jquery.min.js

jquery.min.js

462 ms

jquery-migrate.min.js

jquery-migrate.min.js

462 ms

bootstrap.min.js

bootstrap.min.js

477 ms

popper.min.js

popper.min.js

555 ms

nav.js

nav.js

554 ms

functions.js

functions.js

560 ms

vhs-bottrop.de.js

vhs-bottrop.de.js

373 ms

eyeAble.js

eyeAble.js

741 ms

n2.min.js

n2.min.js

624 ms

smartslider-frontend.min.js

smartslider-frontend.min.js

625 ms

ss-simple.min.js

ss-simple.min.js

626 ms

core.min.js

core.min.js

564 ms

datepicker.min.js

datepicker.min.js

567 ms

index.js

index.js

573 ms

index.js

index.js

573 ms

config.js

config.js

589 ms

klaro.js

klaro.js

728 ms

layout.js

layout.js

675 ms

logo.png

logo.png

195 ms

Bubbles_slider_1920x400px_Wissensdurst.jpg

Bubbles_slider_1920x400px_Wissensdurst.jpg

416 ms

Gesellschaft_Politik_AdobeStock_429938404.jpg

Gesellschaft_Politik_AdobeStock_429938404.jpg

355 ms

Kommunikation_AdobeStock_108947649.jpg

Kommunikation_AdobeStock_108947649.jpg

218 ms

Kultur_Musik_AdobeStock_90716546.jpg

Kultur_Musik_AdobeStock_90716546.jpg

412 ms

Ideen_Entwicklung_AdobeStock_314829742.jpg

Ideen_Entwicklung_AdobeStock_314829742.jpg

415 ms

Beruf_Wirtschaft_Home_AdobeStock_613703364.jpg

Beruf_Wirtschaft_Home_AdobeStock_613703364.jpg

354 ms

IT_Neue-Medien_AdobeStock_83383159.jpg

IT_Neue-Medien_AdobeStock_83383159.jpg

364 ms

Grundbildung_Deutsch_AdobeStock_145706708.jpg

Grundbildung_Deutsch_AdobeStock_145706708.jpg

420 ms

Sprachen_AdobeStock_65622449.jpg

Sprachen_AdobeStock_65622449.jpg

442 ms

Kochen_Landeskunde_AdobeStock_378700402.jpg

Kochen_Landeskunde_AdobeStock_378700402.jpg

590 ms

Gesundheit_AdobeStock_105615424.jpg

Gesundheit_AdobeStock_105615424.jpg

523 ms

Schule_Bus_AdobeStock_204651097.jpg

Schule_Bus_AdobeStock_204651097.jpg

526 ms

Senioren-fliegen.jpg

Senioren-fliegen.jpg

527 ms

Online_Lernen_AdobeStock_95541545.jpg

Online_Lernen_AdobeStock_95541545.jpg

531 ms

FF_Filmrolle_Internetseite_500x300.png

FF_Filmrolle_Internetseite_500x300.png

773 ms

BNS_Cube_AdobeStock_604895793_Editorial_Use_Only.jpg

BNS_Cube_AdobeStock_604895793_Editorial_Use_Only.jpg

743 ms

Spezial_AdobeStock_31789822.jpg

Spezial_AdobeStock_31789822.jpg

638 ms

Logo-VHS_positiv_4c.jpg

Logo-VHS_positiv_4c.jpg

864 ms

DSC09919-scaled.jpg

DSC09919-scaled.jpg

977 ms

REACT-EU_LOGO_JPG_CMYK-1024x237.jpg

REACT-EU_LOGO_JPG_CMYK-1024x237.jpg

818 ms

bamf-logo_Kopie.jpg

bamf-logo_Kopie.jpg

857 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

1032 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

846 ms

Accessibility Review

vhs-bottrop.de accessibility score

96

Accessibility Issues

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.

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

Links do not have a discernible name

Best Practices

vhs-bottrop.de best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

vhs-bottrop.de SEO score

91

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-bottrop.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-bottrop.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-bottrop.de

Open Graph description is not detected on the main page of Vhs Bottrop. 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: