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name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value5.2 s

61/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

energy-star.ru

511 ms

energy-star.ru

534 ms

www.energy-star.ru

384 ms

www.energy-star.ru

539 ms

style.css

132 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 91% of them (50 requests) were addressed to the original Energy-star.ru, 4% (2 requests) were made to Code.jivosite.com and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source .

Content Size

174.2 kB

After Optimization

151.1 kB

In fact, the total size of Energy-star.ru main page is 174.2 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. 20% of websites need less resources to load. Images take 136.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.3 kB

Original 27.9 kB
After minification 27.1 kB
After compression 6.6 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 21.3 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 1.2 kB

Original 136.5 kB
After minification 135.3 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. Energy Star images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 497 B

Original 9.2 kB
After minification 9.2 kB
After compression 8.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-21%

Potential reduce by 132 B

Original 637 B
After minification 637 B
After compression 505 B

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. Energy-star.ru needs all CSS files to be minified and compressed as it can save up to 132 B or 21% of the original size.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energy Star. According to our analytics all requests are already optimized.