Tools & Wizards About Us
dcnt.ru screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

dcnt.ru

Проектирование и строительство центра обработки данных (ЦОД, дата центр), построение и использование облачных вычислений и SaaS сервисов — Инженерная ...

Page Load Speed

5.2 sec in total

First Response

1.5 sec

Resources Loaded

3.2 sec

Page Rendered

473 ms

dcnt.ru screenshot

About Website

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

Проектирование гост воздухообмен стойка серверная комната

Visit dcnt.ru

Key Findings

We analyzed Dcnt.ru page load time and found that the first response time was 1.5 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dcnt.ru performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

dcnt.ru

1504 ms

8F51423B

1047 ms

style.css

257 ms

wp125.css

257 ms

commentnavi-css.css

257 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 57% of them (25 requests) were addressed to the original Dcnt.ru, 25% (11 requests) were made to Rdca.ru and 7% (3 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Dcnt.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.8 kB (56%)

Content Size

273.0 kB

After Optimization

119.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dcnt.ru main page is 273.0 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 128.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 109.4 kB

  • Original 128.1 kB
  • After minification 125.2 kB
  • After compression 18.6 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. 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 109.4 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 184 B

  • Original 25.1 kB
  • After minification 24.9 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. Dcnt images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 26.8 kB

  • Original 97.2 kB
  • After minification 89.9 kB
  • After compression 70.3 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 26.8 kB or 28% of the original size.

CSS Optimization

-76%

Potential reduce by 17.4 kB

  • Original 22.8 kB
  • After minification 15.2 kB
  • After compression 5.4 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. Dcnt.ru needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (80%)

Requests Now

35

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dcnt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dcnt.ru

dcnt.ru

1504 ms

8F51423B

8F51423B

1047 ms

style.css

style.css

257 ms

wp125.css

wp125.css

257 ms

commentnavi-css.css

commentnavi-css.css

257 ms

tw-sack.js

tw-sack.js

279 ms

email-js-packed.js

email-js-packed.js

281 ms

email-css.css

email-css.css

365 ms

wp-page-numbers.css

wp-page-numbers.css

393 ms

postratings-js-packed.js

postratings-js-packed.js

392 ms

postratings-css.css

postratings-css.css

418 ms

swfobject.js

swfobject.js

421 ms

df823337bf0f219bca7adf2c8d2561d5_0.js

df823337bf0f219bca7adf2c8d2561d5_0.js

782 ms

timer_widget.js

timer_widget.js

411 ms

Seminar_dcnt.gif

Seminar_dcnt.gif

871 ms

engcalc.js

engcalc.js

521 ms

ico_question.png

ico_question.png

434 ms

rating_on.gif

rating_on.gif

438 ms

rating_half.gif

rating_half.gif

502 ms

rating_off.gif

rating_off.gif

513 ms

loading.gif

loading.gif

573 ms

timer_widget.js

timer_widget.js

325 ms

rating_over.gif

rating_over.gif

362 ms

watch.js

watch.js

4 ms

search.gif

search.gif

339 ms

email.gif

email.gif

344 ms

stylecalc.css

stylecalc.css

323 ms

aircon-calc.jpg

aircon-calc.jpg

128 ms

ga.js

ga.js

15 ms

__utm.gif

__utm.gif

12 ms

hit

hit

264 ms

style.css

style.css

147 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

442 ms

jquery.countdown.min.js

jquery.countdown.min.js

382 ms

hit

hit

532 ms

logo_1.png

logo_1.png

146 ms

logo_2.png

logo_2.png

128 ms

DINPro.woff

DINPro.woff

382 ms

DINPro-Medium.woff

DINPro-Medium.woff

386 ms

DINPro-Light.woff

DINPro-Light.woff

422 ms

DINPro-Bold.woff

DINPro-Bold.woff

659 ms

DINPro-Black.woff

DINPro-Black.woff

674 ms

hit

hit

133 ms

2416052864843537872

2416052864843537872

155 ms

Accessibility Review

dcnt.ru accessibility score

40

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

dcnt.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

dcnt.ru SEO score

62

Search Engine Optimization Advices

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 Dcnt.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 Dcnt.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

dcnt.ru

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