Access jan.nl. JAN© Accountants en Adviseurs - partner van ondernemend Nederland

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

jan.nl

266 ms

www.jan.nl

1907 ms

language-selector.css

175 ms

app.css

564 ms

mapbox.css

25 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 60% of them (26 requests) were addressed to the original Jan.nl, 16% (7 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Api.tiles.mapbox.com. The less responsive or slowest element that took the longest time to load (6.6 sec) relates to the external source Google-analytics.com.

Content Size

1.7 MB

After Optimization

439.1 kB

In fact, the total size of Jan.nl main page is 1.7 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. 40% of websites need less resources to load. Javascripts take 742.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 26.3 kB

Original 33.7 kB
After minification 32.2 kB
After compression 7.5 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. 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 26.3 kB or 78% of the original size.

Image Optimization

-69%

Potential reduce by 329.1 kB

Original 474.6 kB
After minification 145.4 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, JAN needs image optimization as it can save up to 329.1 kB or 69% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 512.2 kB

Original 742.4 kB
After minification 703.0 kB
After compression 230.2 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 512.2 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 391.4 kB

Original 447.3 kB
After minification 369.3 kB
After compression 55.9 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. Jan.nl needs all CSS files to be minified and compressed as it can save up to 391.4 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JAN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.