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name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

corporate-education.ru

611 ms

style.css

146 ms

css_browser_selector.js

297 ms

jquery.min.js

435 ms

text-d01225d4-711b-4786-b4bf-5e1de2d9d187.css

296 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 81% of them (65 requests) were addressed to the original Corporate-education.ru, 6% (5 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to D3fi9i0jj23cau.cloudfront.net. The less responsive or slowest element that took the longest time to load (14.4 sec) belongs to the original domain Corporate-education.ru.

Content Size

950.6 kB

After Optimization

799.9 kB

In fact, the total size of Corporate-education.ru main page is 950.6 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. 25% of websites need less resources to load. Images take 725.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.0 kB

Original 28.5 kB
After minification 28.2 kB
After compression 6.5 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 22.0 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

Original 725.5 kB
After minification 724.2 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. Corporate Education images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 91.3 kB

Original 152.1 kB
After minification 137.2 kB
After compression 60.8 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 91.3 kB or 60% of the original size.

CSS Optimization

-81%

Potential reduce by 36.0 kB

Original 44.4 kB
After minification 37.2 kB
After compression 8.3 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. Corporate-education.ru needs all CSS files to be minified and compressed as it can save up to 36.0 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Corporate Education. 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 27 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Low

No form fields have multiple labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Page is blocked from indexing

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

RU
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Corporate-education.ru can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Russian language. Our system also found out that Corporate-education.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

corporate-education.ru

Open Graph description is not detected on the main page of Corporate Education. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

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Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

corporate-education.ru

style.css

css_browser_selector.js

jquery.min.js

text-d01225d4-711b-4786-b4bf-5e1de2d9d187.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

corporate-education.ru

style.css

css_browser_selector.js

jquery.min.js

text-d01225d4-711b-4786-b4bf-5e1de2d9d187.css

text.css

text.js

text-5d705299-5662-b6b5-9207-bc7ea195e582.css

css

text-039e8427-2341-0a54-1516-058e85767479.css

text-6dec8772-5edc-de25-d49f-93ea3d1baf60.css

jquery.nivo.slider.js

default.css

nivo-slider.css

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text-fc75f82d-7618-f3ad-3732-b7d02a1fbcc7.css

layout.css

helpers.js

view.js

script.js

anti_cache.js

css

css

css

retrospektiva.gif

external-border-none-top-left.png

external-border-none-top-right.png

external-border-none-top.png

external-border-none-top-left2.png

external-border-none-top-right2.png

external-border-none-left.png

external-border-none-left-top.png

external-border-none-left-bottom.png