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name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

polyvector.spb.ru

1543 ms

www.polyvector.spb.ru

1275 ms

reset.css

277 ms

template.css

494 ms

aside.css

523 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 79% of them (22 requests) were addressed to the original Polyvector.spb.ru, 7% (2 requests) were made to Netdna.bootstrapcdn.com and 7% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Polyvector.spb.ru.

Content Size

850.2 kB

After Optimization

595.1 kB

In fact, the total size of Polyvector.spb.ru main page is 850.2 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. 15% of websites need less resources to load. Images take 616.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 13.8 kB

Original 19.9 kB
After minification 18.8 kB
After compression 6.1 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 13.8 kB or 70% of the original size.

Image Optimization

-15%

Potential reduce by 93.9 kB

Original 616.0 kB
After minification 522.0 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, Polyvector Spb needs image optimization as it can save up to 93.9 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

-61%

Potential reduce by 84.4 kB

Original 138.2 kB
After minification 92.1 kB
After compression 53.9 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 84.4 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 63.1 kB

Original 76.2 kB
After minification 72.9 kB
After compression 13.1 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. Polyvector.spb.ru needs all CSS files to be minified and compressed as it can save up to 63.1 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Polyvector Spb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.