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name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.333

34/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

natkurser.se

232 ms

www.natkurser.se

498 ms

application-be2b1d8be3997c450353f260e59449b6.css

328 ms

application-398a46cd25c4f4cd10fa32c66bdb1362.js

613 ms

adsbygoogle.js

5 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 46% of them (22 requests) were addressed to the original Natkurser.se, 10% (5 requests) were made to Pagead2.googlesyndication.com and 8% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (619 ms) relates to the external source Static.xx.fbcdn.net.

Content Size

637.7 kB

After Optimization

269.5 kB

In fact, the total size of Natkurser.se main page is 637.7 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. 40% of websites need less resources to load. Javascripts take 433.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 20.0 kB

Original 27.1 kB
After minification 24.6 kB
After compression 7.0 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 20.0 kB or 74% of the original size.

Image Optimization

-15%

Potential reduce by 19.1 kB

Original 131.5 kB
After minification 112.4 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, Natkurser needs image optimization as it can save up to 19.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 288.8 kB

Original 433.0 kB
After minification 287.3 kB
After compression 144.3 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 288.8 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 40.3 kB

Original 46.1 kB
After minification 25.2 kB
After compression 5.8 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. Natkurser.se needs all CSS files to be minified and compressed as it can save up to 40.3 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Natkurser. 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 as a result speed up the page load time.