Tools & Wizards About Us
rucont.ru screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

rucont.ru

Электронная библиотека(эбс) Руконт – купить, скачать бесплатно или читать онлайн книги, журналы, статьи. Цифровой контент и сервисы для образования, н...

Page Load Speed

7.9 sec in total

First Response

2.1 sec

Resources Loaded

5.6 sec

Page Rendered

181 ms

rucont.ru screenshot

About Website

Welcome to rucont.ru homepage info - get ready to check Rucont best content for Russia right away, or after learning these important things about rucont.ru

Электронная библиотека(эбс) Rucont.ru: читай онлайн или скачивай более 132 тысяч лицензионных электронных книг и журналов. ЭБС Rucont.ru – это обеспечение образовательного процесса электронно-библиоте...

Visit rucont.ru

Key Findings

We analyzed Rucont.ru page load time and found that the first response time was 2.1 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster. This domain responded with an error, which can significantly jeopardize Rucont.ru rating and web reputation

Performance Metrics

rucont.ru performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

rucont.ru

2129 ms

css.css

483 ms

Site1.css

311 ms

tessera.CSS

485 ms

jquery-1.7.2.min.js

854 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 88% of them (60 requests) were addressed to the original Rucont.ru, 6% (4 requests) were made to Mc.yandex.ru and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Admin.rucont.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 711.4 kB (60%)

Content Size

1.2 MB

After Optimization

464.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rucont.ru main page is 1.2 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. 30% of websites need less resources to load. Javascripts take 731.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 43.9 kB

  • Original 59.4 kB
  • After minification 56.3 kB
  • After compression 15.5 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 43.9 kB or 74% of the original size.

Image Optimization

-17%

Potential reduce by 57.6 kB

  • Original 333.7 kB
  • After minification 276.1 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. Obviously, Rucont needs image optimization as it can save up to 57.6 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 566.3 kB

  • Original 731.9 kB
  • After minification 565.7 kB
  • After compression 165.6 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 566.3 kB or 77% of the original size.

CSS Optimization

-85%

Potential reduce by 43.6 kB

  • Original 51.3 kB
  • After minification 36.9 kB
  • After compression 7.7 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. Rucont.ru needs all CSS files to be minified and compressed as it can save up to 43.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (19%)

Requests Now

63

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rucont. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rucont.ru

rucont.ru

2129 ms

css.css

css.css

483 ms

Site1.css

Site1.css

311 ms

tessera.CSS

tessera.CSS

485 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

854 ms

jquery.tabs.js

jquery.tabs.js

309 ms

main.js

main.js

462 ms

WebResource.axd

WebResource.axd

481 ms

popup.js

popup.js

469 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

972 ms

jquery.tabs.js

jquery.tabs.js

488 ms

main.js

main.js

495 ms

ScriptResource.axd

ScriptResource.axd

797 ms

ScriptResource.axd

ScriptResource.axd

798 ms

ga.js

ga.js

32 ms

watch.js

watch.js

182 ms

file.ashx

file.ashx

2982 ms

blank.gif

blank.gif

154 ms

login-button.png

login-button.png

169 ms

logo-v3.png

logo-v3.png

159 ms

logo-right-v3.png

logo-right-v3.png

186 ms

data.ashx

data.ashx

214 ms

data.ashx

data.ashx

366 ms

data.ashx

data.ashx

359 ms

data.ashx

data.ashx

385 ms

data.ashx

data.ashx

401 ms

data.ashx

data.ashx

429 ms

data.ashx

data.ashx

392 ms

data.ashx

data.ashx

524 ms

data.ashx

data.ashx

574 ms

data.ashx

data.ashx

601 ms

data.ashx

data.ashx

559 ms

data.ashx

data.ashx

597 ms

data.ashx

data.ashx

595 ms

data.ashx

data.ashx

692 ms

data.ashx

data.ashx

730 ms

data.ashx

data.ashx

735 ms

data.ashx

data.ashx

762 ms

data.ashx

data.ashx

750 ms

data.ashx

data.ashx

1267 ms

data.ashx

data.ashx

861 ms

knigaservis_partner_logo.jpg

knigaservis_partner_logo.jpg

903 ms

bibkom_partner_logo.jpg

bibkom_partner_logo.jpg

897 ms

pressade_partner_logo.jpg

pressade_partner_logo.jpg

919 ms

data.ashx

data.ashx

1084 ms

data.ashx

data.ashx

1032 ms

data.ashx

data.ashx

1059 ms

data.ashx

data.ashx

1073 ms

data.ashx

data.ashx

1086 ms

file.ashx

file.ashx

2327 ms

data.ashx

data.ashx

1197 ms

__utm.gif

__utm.gif

12 ms

data.ashx

data.ashx

1179 ms

data.ashx

data.ashx

1195 ms

data.ashx

data.ashx

1269 ms

logo_book-services.png

logo_book-services.png

1087 ms

logotip-bibkom.png

logotip-bibkom.png

1204 ms

watch.js

watch.js

472 ms

button.png

button.png

1124 ms

social-2.png

social-2.png

1131 ms

biblio-1.png

biblio-1.png

1138 ms

user-1.png

user-1.png

1068 ms

user1-1.png

user1-1.png

1164 ms

authors-1.png

authors-1.png

1147 ms

participant.png

participant.png

1163 ms

loading.gif

loading.gif

1168 ms

advert.gif

advert.gif

90 ms

1

1

91 ms

Accessibility Review

rucont.ru accessibility score

76

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

rucont.ru best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rucont.ru SEO score

77

Search Engine Optimization Advices

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 Rucont.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 Rucont.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

rucont.ru

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