Access usability-blog.be. AGConsult: usability, cro & informatiearchitectuur

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

usability-blog.be

356 ms

853 ms

style.css

281 ms

style.min.css

274 ms

style-index.css

278 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Usability-blog.be, 83% (60 requests) were made to Agconsult.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (991 ms) relates to the external source Polyfill.io.

Content Size

879.5 kB

After Optimization

325.2 kB

In fact, the total size of Usability-blog.be main page is 879.5 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. 55% of websites need less resources to load. Javascripts take 534.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 76.5 kB

Original 97.8 kB
After minification 95.0 kB
After compression 21.2 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 76.5 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 6.2 kB

Original 50.8 kB
After minification 44.5 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. Obviously, Usability Blog needs image optimization as it can save up to 6.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 380.0 kB

Original 534.0 kB
After minification 498.1 kB
After compression 154.1 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 380.0 kB or 71% of the original size.

CSS Optimization

-46%

Potential reduce by 91.5 kB

Original 196.9 kB
After minification 191.0 kB
After compression 105.4 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. Usability-blog.be needs all CSS files to be minified and compressed as it can save up to 91.5 kB or 46% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usability Blog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.