Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

dc.ru

ДАТА-ЦЕНТР Автоматика

Page Load Speed

4.4 sec in total

First Response

676 ms

Resources Loaded

3.5 sec

Page Rendered

218 ms

dc.ru screenshot

About Website

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

ДАТА-ЦЕНТР Автоматика занимается разработкой высоко-технологичных проектов, создаёт интегрированные отраслевые решения, объединяющие процессы производства и управления

Visit dc.ru

Key Findings

We analyzed Dc.ru page load time and found that the first response time was 676 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dc.ru performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

dc.ru

676 ms

base.css

160 ms

func.js

312 ms

swfobject.js

320 ms

main_bg.jpg

1139 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Dc.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Dc.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.5 kB (44%)

Content Size

46.5 kB

After Optimization

26.0 kB

In fact, the total size of Dc.ru main page is 46.5 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. Only 10% of websites need less resources to load. Images take 21.5 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 7.7 kB

  • Original 11.2 kB
  • After minification 9.9 kB
  • After compression 3.5 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. This page needs HTML code to be minified as it can gain 1.2 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 7.7 kB or 69% of the original size.

Image Optimization

-19%

Potential reduce by 4.0 kB

  • Original 21.5 kB
  • After minification 17.5 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, Dc needs image optimization as it can save up to 4.0 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 6.7 kB

  • Original 10.8 kB
  • After minification 10.6 kB
  • After compression 4.2 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 6.7 kB or 62% of the original size.

CSS Optimization

-72%

Potential reduce by 2.1 kB

  • Original 3.0 kB
  • After minification 2.5 kB
  • After compression 819 B

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. Dc.ru needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (53%)

Requests Now

30

After Optimization

14

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

dc.ru accessibility score

71

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

Best Practices

dc.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

dc.ru SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dc.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 Dc.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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