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name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value4,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

fastlearn.ru

344 ms

fastlearn.ru

2032 ms

1063 ms

rcweb-styles-5496b25617c53f85fbb0.css

449 ms

om-styles.css

607 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Fastlearn.ru, 39% (9 requests) were made to Nic.ru and 39% (9 requests) were made to Storage.nic.ru. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Nic.ru.

Content Size

407.4 kB

After Optimization

161.7 kB

In fact, the total size of Fastlearn.ru main page is 407.4 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. HTML takes 292.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 219.4 kB

Original 292.8 kB
After minification 292.8 kB
After compression 73.4 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 219.4 kB or 75% of the original size.

JavaScript Optimization

-13%

Potential reduce by 4.2 kB

Original 31.6 kB
After minification 31.6 kB
After compression 27.4 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 4.2 kB or 13% of the original size.

CSS Optimization

-27%

Potential reduce by 22.1 kB

Original 82.9 kB
After minification 82.9 kB
After compression 60.9 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. Fastlearn.ru needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 27% of the original size.

Requests Now

After Optimization

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fastlearn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

RU
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fastlearn.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Fastlearn.ru main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Fastlearn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: