Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

imec.be

Wereldwijde R&D hub en Vlaamse innovatiemotor | imec Vlaanderen

Page Load Speed

2.6 sec in total

First Response

277 ms

Resources Loaded

2.1 sec

Page Rendered

166 ms

imec.be screenshot

About Website

Click here to check amazing Imec content for Belgium. Otherwise, check out these important facts you probably never knew about imec.be

Imec is een wereldvermaard onderzoekscentrum voor nano-elektronica en digitale technologie. Tegelijk is het een Vlaamse organisatie die sterke banden onderhoudt met alle lokale actoren. Op deze websit...

Visit imec.be

Key Findings

We analyzed Imec.be page load time and found that the first response time was 277 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

imec.be performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

imec.be

277 ms

www2.imec.be

388 ms

scripts.js

178 ms

screen.css

272 ms

splash_nl.gif

104 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 9% of them (1 request) were addressed to the original Imec.be, 73% (8 requests) were made to Www2.imec.be and 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Www2.imec.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.0 kB (3%)

Content Size

464.4 kB

After Optimization

448.4 kB

In fact, the total size of Imec.be main page is 464.4 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. Only 10% of websites need less resources to load. Images take 434.3 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 2.8 kB

  • Original 4.3 kB
  • After minification 3.6 kB
  • After compression 1.5 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 671 B, which is 16% 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 2.8 kB or 65% of the original size.

Image Optimization

-2%

Potential reduce by 6.7 kB

  • Original 434.3 kB
  • After minification 427.6 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. Imec images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 3.4 kB

  • Original 21.8 kB
  • After minification 20.8 kB
  • After compression 18.4 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 3.4 kB or 16% of the original size.

CSS Optimization

-78%

Potential reduce by 3.1 kB

  • Original 4.0 kB
  • After minification 3.3 kB
  • After compression 877 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. Imec.be needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imec. According to our analytics all requests are already optimized.

Accessibility Review

imec.be 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

imec.be 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

Page has valid source maps

SEO Factors

imec.be SEO score

99

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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