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name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value2,720 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

kazus.ru

382 ms

kazus.ru

414 ms

style.css

97 ms

round-button.css

191 ms

magnific-popup.css

286 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 14% of them (12 requests) were addressed to the original Kazus.ru, 14% (12 requests) were made to G.alicdn.com and 13% (11 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Customfingerprints.bablosoft.com.

Content Size

962.1 kB

After Optimization

863.3 kB

In fact, the total size of Kazus.ru main page is 962.1 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. 60% of websites need less resources to load. Javascripts take 816.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 43.9 kB

Original 57.9 kB
After minification 57.0 kB
After compression 14.0 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 43.9 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

Original 80.0 kB
After minification 78.9 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. Kazus images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 53.2 kB

Original 816.4 kB
After minification 816.4 kB
After compression 763.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 603 B

Original 7.8 kB
After minification 7.8 kB
After compression 7.2 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. Kazus.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kazus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.