Access nuov.cz. Národní ústav odborného vzdělávání

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

nuov.cz

483 ms

nuov.cz

939 ms

ga.js

20 ms

main.css

687 ms

inline.css

593 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 96% of them (50 requests) were addressed to the original Nuov.cz, 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (961 ms) belongs to the original domain Nuov.cz.

Content Size

511.3 kB

After Optimization

253.1 kB

In fact, the total size of Nuov.cz main page is 511.3 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. 25% of websites need less resources to load. Javascripts take 288.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 12.7 kB

Original 17.5 kB
After minification 17.3 kB
After compression 4.8 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 12.7 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 3.2 kB

Original 154.5 kB
After minification 151.3 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. Nuov images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 200.4 kB

Original 288.1 kB
After minification 253.1 kB
After compression 87.7 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 200.4 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 41.9 kB

Original 51.2 kB
After minification 37.4 kB
After compression 9.2 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. Nuov.cz needs all CSS files to be minified and compressed as it can save up to 41.9 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nuov. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.