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name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value2,010 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

www.nanastenku.cz

648 ms

autoptimize_single_94bb0fa1b7bd04024f697a9aaa8bfdc6.css

211 ms

autoptimize_single_55b3d74d3ab1810f487d51578fb95002.js

316 ms

autoptimize_single_906b6b51b7637ef0d687768f10301c5c.js

315 ms

cz.js

470 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 54% of them (57 requests) were addressed to the original Nanastenku.cz, 10% (10 requests) were made to Facebook.com and 8% (8 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Nanastenku.cz.

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Nanastenku.cz main page is 1.4 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. 55% of websites need less resources to load. Javascripts take 718.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 80.9 kB

Original 100.2 kB
After minification 100.0 kB
After compression 19.3 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 80.9 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 15.4 kB

Original 553.2 kB
After minification 537.8 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. Na Nastenku images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 151.3 kB

Original 718.8 kB
After minification 718.8 kB
After compression 567.5 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 151.3 kB or 21% of the original size.

CSS Optimization

-3%

Potential reduce by 849 B

Original 25.2 kB
After minification 25.2 kB
After compression 24.3 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. Nanastenku.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Na Nastenku. 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 11 to 1 for CSS and as a result speed up the page load time.