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olefa.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

olefa.com

Home

Page Load Speed

2.3 sec in total

First Response

225 ms

Resources Loaded

2 sec

Page Rendered

111 ms

olefa.com screenshot

About Website

Visit olefa.com now to see the best up-to-date Olefa content for Luxembourg and also check out these interesting facts you probably never knew about olefa.com

General information about OLEFA CMS/LMS/ILMS made by EducDesign S.A. in Luxembourg

Visit olefa.com

Key Findings

We analyzed Olefa.com page load time and found that the first response time was 225 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

olefa.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value670 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

olefa.com

225 ms

440 ms

libMaterialDesign.compiled.css

295 ms

olefa.css

285 ms

jquery-all.css

283 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Olefa.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Olefa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.0 kB (8%)

Content Size

1.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Olefa.com main page is 1.2 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. 30% of websites need less resources to load. Javascripts take 612.8 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 8.1 kB

  • Original 12.3 kB
  • After minification 12.1 kB
  • After compression 4.2 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. 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 8.1 kB or 66% of the original size.

Image Optimization

-6%

Potential reduce by 34.6 kB

  • Original 546.1 kB
  • After minification 511.5 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. Olefa images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 153 B

  • Original 612.8 kB
  • After minification 612.8 kB
  • After compression 612.7 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

-67%

Potential reduce by 52.1 kB

  • Original 77.6 kB
  • After minification 25.7 kB
  • After compression 25.5 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. Olefa.com needs all CSS files to be minified and compressed as it can save up to 52.1 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (53%)

Requests Now

17

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olefa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

olefa.com

olefa.com

225 ms

440 ms

libMaterialDesign.compiled.css

libMaterialDesign.compiled.css

295 ms

olefa.css

olefa.css

285 ms

jquery-all.css

jquery-all.css

283 ms

jquery-ui.css

jquery-ui.css

283 ms

style.css

style.css

288 ms

jquery.js

jquery.js

377 ms

jquery-ui.js

jquery-ui.js

596 ms

jquery-all.js

jquery-all.js

1320 ms

olefa.js

olefa.js

376 ms

visualthingies.js

visualthingies.js

377 ms

icon-products-turqoise.png

icon-products-turqoise.png

383 ms

icon-library-turqoise.png

icon-library-turqoise.png

469 ms

icon-cms-turqoise.png

icon-cms-turqoise.png

470 ms

madeinlux.png

madeinlux.png

470 ms

european_language-label.png

european_language-label.png

476 ms

style.css

style.css

280 ms

home_bg1.jpg

home_bg1.jpg

466 ms

Accessibility Review

olefa.com accessibility score

98

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.

Best Practices

olefa.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

olefa.com SEO score

93

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olefa.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Olefa.com 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

olefa.com

Open Graph data is detected on the main page of Olefa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: