Access eltech.ru. СПбГЭТУ «ЛЭТИ»

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.817

4/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

eltech.ru

340 ms

etu.ru

2452 ms

bootstrap.min.css

118 ms

font-awesome.min.css

230 ms

animate.min.css

336 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Eltech.ru, 83% (62 requests) were made to Etu.ru and 4% (3 requests) were made to Smartcaptcha.yandexcloud.net. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Stat.sputnik.ru.

Content Size

3.6 MB

After Optimization

3.5 MB

In fact, the total size of Eltech.ru main page is 3.6 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. 50% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 73.3 kB

Original 88.9 kB
After minification 67.4 kB
After compression 15.6 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. This page needs HTML code to be minified as it can gain 21.5 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 73.3 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 37.0 kB

Original 3.2 MB
After minification 3.2 MB

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. Eltech images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.0 kB

Original 226.7 kB
After minification 226.7 kB
After compression 220.7 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

-3%

Potential reduce by 1.4 kB

Original 48.6 kB
After minification 48.6 kB
After compression 47.2 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. Eltech.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eltech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.