Tools & Wizards About Us
kreis-viersen-vhs.de screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kreis-viersen-vhs.de

Kreisvolkshochschule Viersen: Weiterbildung im Kreis Viersen

Page Load Speed

3.6 sec in total

First Response

695 ms

Resources Loaded

2.6 sec

Page Rendered

241 ms

kreis-viersen-vhs.de screenshot

About Website

Click here to check amazing Kreis Viersen Vhs content for Germany. Otherwise, check out these important facts you probably never knew about kreis-viersen-vhs.de

Die Kreisvolkshochschule des Kreis Viersen bietet Kurse zur beruflichen, politischen und kulturellen Bildung sowie einen großen Fremdsprachen-Bereich an.

Visit kreis-viersen-vhs.de

Key Findings

We analyzed Kreis-viersen-vhs.de page load time and found that the first response time was 695 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

kreis-viersen-vhs.de performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

index.php

695 ms

stylesheet_5a17574694.css

187 ms

size0.css

196 ms

style.css

198 ms

system.css

199 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Kreis-viersen-vhs.de and no external sources were called. The less responsive or slowest element that took the longest time to load (695 ms) belongs to the original domain Kreis-viersen-vhs.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.6 kB (40%)

Content Size

412.5 kB

After Optimization

247.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kreis-viersen-vhs.de main page is 412.5 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. 20% of websites need less resources to load. Images take 196.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 68.5 kB

  • Original 83.6 kB
  • After minification 79.0 kB
  • After compression 15.0 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 68.5 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 3.7 kB

  • Original 196.7 kB
  • After minification 193.1 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. Kreis Viersen Vhs images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 69.5 kB

  • Original 105.1 kB
  • After minification 100.1 kB
  • After compression 35.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 69.5 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 22.9 kB

  • Original 27.1 kB
  • After minification 14.2 kB
  • After compression 4.2 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. Kreis-viersen-vhs.de needs all CSS files to be minified and compressed as it can save up to 22.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (33%)

Requests Now

15

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kreis Viersen Vhs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

index.php

index.php

695 ms

stylesheet_5a17574694.css

stylesheet_5a17574694.css

187 ms

size0.css

size0.css

196 ms

style.css

style.css

198 ms

system.css

system.css

199 ms

index.css

index.css

200 ms

jquery-akt.js

jquery-akt.js

500 ms

functions.js

functions.js

279 ms

pfeil.png

pfeil.png

101 ms

Kreise.jpg

Kreise.jpg

499 ms

vhs_Drei-Bilder.jpg

vhs_Drei-Bilder.jpg

199 ms

VHS_Logo.png

VHS_Logo.png

94 ms

navigation_pfeil.gif

navigation_pfeil.gif

101 ms

cert.gif

cert.gif

102 ms

calendar.gif

calendar.gif

187 ms

print.css

print.css

101 ms

Accessibility Review

kreis-viersen-vhs.de accessibility score

79

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

kreis-viersen-vhs.de best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kreis-viersen-vhs.de SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kreis-viersen-vhs.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Kreis-viersen-vhs.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

kreis-viersen-vhs.de

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