Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

webuntis.epf.lu

WebUntis

Page Load Speed

4.4 sec in total

First Response

266 ms

Resources Loaded

4 sec

Page Rendered

75 ms

About Website

Visit webuntis.epf.lu now to see the best up-to-date Web Untis Epf content for Luxembourg and also check out these interesting facts you probably never knew about webuntis.epf.lu

Visit webuntis.epf.lu

Key Findings

We analyzed Webuntis.epf.lu page load time and found that the first response time was 266 ms and then it took 4.1 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

webuntis.epf.lu performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

webuntis.epf.lu

266 ms

691 ms

moment.min.js

664 ms

de.js

563 ms

webpack.js

2272 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Webuntis.epf.lu, 84% (16 requests) were made to Content.webuntis.com and 11% (2 requests) were made to Antiope.webuntis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Content.webuntis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.5 kB (64%)

Content Size

14.7 kB

After Optimization

5.2 kB

In fact, the total size of Webuntis.epf.lu main page is 14.7 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. HTML takes 13.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.3 kB

  • Original 13.0 kB
  • After minification 12.7 kB
  • After compression 3.7 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 9.3 kB or 72% of the original size.

JavaScript Optimization

-11%

Potential reduce by 162 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 1.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 162 B or 11% of the original size.

CSS Optimization

-19%

Potential reduce by 60 B

  • Original 321 B
  • After minification 321 B
  • After compression 261 B

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. Webuntis.epf.lu needs all CSS files to be minified and compressed as it can save up to 60 B or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (82%)

Requests Now

17

After Optimization

3

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web Untis Epf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

webuntis.epf.lu accessibility score

97

Accessibility Issues

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

Best Practices

webuntis.epf.lu best practices score

83

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

High

Missing source maps for large first-party JavaScript

SEO Factors

webuntis.epf.lu SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Webuntis.epf.lu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Webuntis.epf.lu 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 Web Untis Epf. 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: