Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

kvlu.ch

Weiterbildung in Luzern | KV Luzern Berufsakademie

Page Load Speed

3.3 sec in total

First Response

297 ms

Resources Loaded

2.7 sec

Page Rendered

371 ms

kvlu.ch screenshot

About Website

Welcome to kvlu.ch homepage info - get ready to check KV Lu best content for Switzerland right away, or after learning these important things about kvlu.ch

Die KV Luzern Berufsakademie ist Ihr Bildungspartner für berufsbegleitende Weiterbildungen. Finden Sie das passende Angebot oder vereinbaren Sie ein kostenloses Beratungsgespräch.

Visit kvlu.ch

Key Findings

We analyzed Kvlu.ch page load time and found that the first response time was 297 ms and then it took 3 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

kvlu.ch performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

kvlu.ch

297 ms

kvlu.ch

415 ms

www.kvlu.ch

676 ms

analytics.js

41 ms

style.css

187 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 74% of them (17 requests) were addressed to the original Kvlu.ch, 9% (2 requests) were made to Google-analytics.com and 9% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (744 ms) belongs to the original domain Kvlu.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 372.4 kB (35%)

Content Size

1.1 MB

After Optimization

686.1 kB

In fact, the total size of Kvlu.ch main page is 1.1 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. 25% of websites need less resources to load. Images take 771.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 13.8 kB

  • Original 16.6 kB
  • After minification 9.3 kB
  • After compression 2.9 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 7.4 kB, which is 44% 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 13.8 kB or 83% of the original size.

Image Optimization

-19%

Potential reduce by 147.8 kB

  • Original 771.3 kB
  • After minification 623.4 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. Obviously, KV Lu needs image optimization as it can save up to 147.8 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 2.6 kB

  • Original 25.6 kB
  • After minification 25.6 kB
  • After compression 23.0 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

-85%

Potential reduce by 208.2 kB

  • Original 244.9 kB
  • After minification 205.8 kB
  • After compression 36.8 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. Kvlu.ch needs all CSS files to be minified and compressed as it can save up to 208.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (17%)

Requests Now

18

After Optimization

15

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KV Lu. 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 CSS and as a result speed up the page load time.

Accessibility Review

kvlu.ch accessibility score

85

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

kvlu.ch best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kvlu.ch SEO score

90

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kvlu.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kvlu.ch 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

Open Graph description is not detected on the main page of KV Lu. 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: