Tools & Wizards About Us
cleve.ru screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cleve.ru

Дистанционные олимпиады и творческие конкурсы для школьников | Центр образования «Клевер»

Page Load Speed

8.8 sec in total

First Response

460 ms

Resources Loaded

6.6 sec

Page Rendered

1.8 sec

cleve.ru screenshot

About Website

Visit cleve.ru now to see the best up-to-date Cleve content for Russia and also check out these interesting facts you probably never knew about cleve.ru

Дистанционные олимпиады и конкурсы для школьников с 1 по 11 класс. Творческие конкурсы, конкурсы фотографий и рисунков. Покажи свои таланты ВУЗам!

Visit cleve.ru

Key Findings

We analyzed Cleve.ru page load time and found that the first response time was 460 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cleve.ru performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,920 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

cleve.ru

460 ms

cleve.ru

2907 ms

MainPage.css

325 ms

css

44 ms

v3_logo.png

312 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 60% of them (38 requests) were addressed to the original Cleve.ru, 21% (13 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Cleve.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 689.1 kB (38%)

Content Size

1.8 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cleve.ru main page is 1.8 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. 60% of websites need less resources to load. Images take 798.0 kB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 664.9 kB

  • Original 690.2 kB
  • After minification 679.9 kB
  • After compression 25.3 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 664.9 kB or 96% of the original size.

Image Optimization

-2%

Potential reduce by 15.1 kB

  • Original 798.0 kB
  • After minification 782.9 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. Cleve images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 247.0 kB
  • After minification 247.0 kB
  • After compression 246.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 9.0 kB

  • Original 95.4 kB
  • After minification 95.4 kB
  • After compression 86.5 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. Cleve.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (9%)

Requests Now

45

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cleve. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cleve.ru

cleve.ru

460 ms

cleve.ru

cleve.ru

2907 ms

MainPage.css

MainPage.css

325 ms

css

css

44 ms

v3_logo.png

v3_logo.png

312 ms

utp-1.png

utp-1.png

315 ms

utp-2.png

utp-2.png

315 ms

utp-3.png

utp-3.png

488 ms

17cb9913f0d4c1541a71730a8ad0c5ec_1.js

17cb9913f0d4c1541a71730a8ad0c5ec_1.js

42 ms

MainPage.js

MainPage.js

875 ms

key.png

key.png

473 ms

file.png

file.png

474 ms

check.png

check.png

473 ms

diplom.png

diplom.png

474 ms

1.jpg

1.jpg

533 ms

2.jpg

2.jpg

610 ms

3.jpg

3.jpg

509 ms

Photo02.jpg

Photo02.jpg

509 ms

Photo06.jpg

Photo06.jpg

532 ms

Photo09.jpg

Photo09.jpg

618 ms

Photo12.jpg

Photo12.jpg

618 ms

Photo05.jpg

Photo05.jpg

629 ms

Photo03.jpg

Photo03.jpg

629 ms

Photo07.jpg

Photo07.jpg

712 ms

Photo08.jpg

Photo08.jpg

722 ms

Photo01.jpg

Photo01.jpg

721 ms

Photo10.jpg

Photo10.jpg

735 ms

Photo11.jpg

Photo11.jpg

735 ms

Photo04.jpg

Photo04.jpg

816 ms

diplomas.png

diplomas.png

1234 ms

6ae882ab107d9ad592b3457e388a40ef.jpg

6ae882ab107d9ad592b3457e388a40ef.jpg

878 ms

c95c64533fd6498a6a2b59603539f9c3.jpg

c95c64533fd6498a6a2b59603539f9c3.jpg

879 ms

0bed2366f6afdfef62c91d1dffb6e32f.jpg

0bed2366f6afdfef62c91d1dffb6e32f.jpg

879 ms

diplomas_bg.jpg

diplomas_bg.jpg

888 ms

v3_logo_footer.png

v3_logo_footer.png

888 ms

vk.png

vk.png

889 ms

fb.png

fb.png

889 ms

email.png

email.png

888 ms

KFOmCnqEu92Fr1Mu5mxP.ttf

KFOmCnqEu92Fr1Mu5mxP.ttf

48 ms

KFOlCnqEu92Fr1MmEU9fABc9.ttf

KFOlCnqEu92Fr1MmEU9fABc9.ttf

50 ms

KFOlCnqEu92Fr1MmSU5fABc9.ttf

KFOlCnqEu92Fr1MmSU5fABc9.ttf

50 ms

KFOkCnqEu92Fr1MmgVxMIzc.ttf

KFOkCnqEu92Fr1MmgVxMIzc.ttf

48 ms

KFOlCnqEu92Fr1MmWUlfABc9.ttf

KFOlCnqEu92Fr1MmWUlfABc9.ttf

37 ms

KFOlCnqEu92Fr1MmYUtfABc9.ttf

KFOlCnqEu92Fr1MmYUtfABc9.ttf

48 ms

KFOkCnqEu92Fr1Mu51xMIzc.ttf

KFOkCnqEu92Fr1Mu51xMIzc.ttf

56 ms

KFOjCnqEu92Fr1Mu51S7ACc-CsE.ttf

KFOjCnqEu92Fr1Mu51S7ACc-CsE.ttf

55 ms

KFOjCnqEu92Fr1Mu51TjASc-CsE.ttf

KFOjCnqEu92Fr1Mu51TjASc-CsE.ttf

51 ms

KFOiCnqEu92Fr1Mu51QrEzQdKg.ttf

KFOiCnqEu92Fr1Mu51QrEzQdKg.ttf

51 ms

KFOjCnqEu92Fr1Mu51TzBic-CsE.ttf

KFOjCnqEu92Fr1Mu51TzBic-CsE.ttf

55 ms

KFOjCnqEu92Fr1Mu51TLBCc-CsE.ttf

KFOjCnqEu92Fr1Mu51TLBCc-CsE.ttf

55 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4kaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4kaVc.ttf

56 ms

tag.js

tag.js

1126 ms

analytics.js

analytics.js

45 ms

widget_new.php

widget_new.php

806 ms

collect

collect

15 ms

collect

collect

37 ms

cleverfont.woff

cleverfont.woff

115 ms

code

code

711 ms

7bbe6ff1b083845cfb00f6631713990e.jpg

7bbe6ff1b083845cfb00f6631713990e.jpg

114 ms

advert.gif

advert.gif

718 ms

widgetNJS.min.js

widgetNJS.min.js

1151 ms

sync_cookie_image_decide

sync_cookie_image_decide

142 ms

1

1

153 ms

Accessibility Review

cleve.ru accessibility score

87

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

cleve.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the notification permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cleve.ru SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cleve.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cleve.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

cleve.ru

Open Graph description is not detected on the main page of Cleve. 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: