Tools & Wizards About Us
vt-center.ru screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

vt-center.ru

Продажа охранного оборудования и систем видеонаблдения. IP-видеонаблюдение. GSM-сигнализации для дома

Page Load Speed

6.5 sec in total

First Response

511 ms

Resources Loaded

5.7 sec

Page Rendered

286 ms

vt-center.ru screenshot

About Website

Click here to check amazing Vt Center content for Russia. Otherwise, check out these important facts you probably never knew about vt-center.ru

Специализированный торгово-монтажный центр охранных систем безопасности и систем IP-видеонаблюдения реализует широкий спектр импортного и отечественного оборудования. Торговый Дом "ВТ-Центр" предлагае...

Visit vt-center.ru

Key Findings

We analyzed Vt-center.ru page load time and found that the first response time was 511 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

vt-center.ru performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.293

41/100

15%

TTI (Time to Interactive)

Value19.9 s

2/100

10%

Network Requests Diagram

vt-center.ru

511 ms

vt-center.ru

546 ms

www.vt-center.ru

1658 ms

kernel_main.css

232 ms

template_1c07256a62a9ffc4e31b77c777aa39a2.css

693 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 87% of them (67 requests) were addressed to the original Vt-center.ru, 6% (5 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Vt-center.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (46%)

Content Size

2.9 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vt-center.ru main page is 2.9 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 99.4 kB

  • Original 120.2 kB
  • After minification 106.9 kB
  • After compression 20.8 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 13.3 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 99.4 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 100.3 kB

  • Original 1.3 MB
  • After minification 1.2 MB

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. Vt Center images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 859.0 kB

  • Original 1.1 MB
  • After minification 897.1 kB
  • After compression 234.8 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 859.0 kB or 79% of the original size.

CSS Optimization

-87%

Potential reduce by 269.2 kB

  • Original 310.1 kB
  • After minification 246.0 kB
  • After compression 40.9 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. Vt-center.ru needs all CSS files to be minified and compressed as it can save up to 269.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (14%)

Requests Now

66

After Optimization

57

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vt Center. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vt-center.ru

vt-center.ru

511 ms

vt-center.ru

vt-center.ru

546 ms

www.vt-center.ru

www.vt-center.ru

1658 ms

kernel_main.css

kernel_main.css

232 ms

template_1c07256a62a9ffc4e31b77c777aa39a2.css

template_1c07256a62a9ffc4e31b77c777aa39a2.css

693 ms

popup.min.css

popup.min.css

465 ms

kernel_main.js

kernel_main.js

1044 ms

template_6c314a6281c5aa17747ac7b7a1824968.js

template_6c314a6281c5aa17747ac7b7a1824968.js

1136 ms

css

css

32 ms

media.css

media.css

506 ms

media.js

media.js

379 ms

ba.js

ba.js

281 ms

fontello.css

fontello.css

232 ms

fontello.css

fontello.css

116 ms

top_bg.png

top_bg.png

196 ms

logo.png

logo.png

198 ms

bl.png

bl.png

197 ms

search.png

search.png

195 ms

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194 ms

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316 ms

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347 ms

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422 ms

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423 ms

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443 ms

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569 ms

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651 ms

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653 ms

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696 ms

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694 ms

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766 ms

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768 ms

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810 ms

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821 ms

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880 ms

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884 ms

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1041 ms

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947 ms

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909 ms

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122 ms

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150 ms

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177 ms

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177 ms

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177 ms

watch.js

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1 ms

client.js

client.js

1161 ms

bx_stat

bx_stat

207 ms

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805 ms

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809 ms

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882 ms

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857 ms

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875 ms

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813 ms

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853 ms

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888 ms

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889 ms

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856 ms

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908 ms

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881 ms

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814 ms

str.png

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855 ms

footer_bg.png

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888 ms

mail.png

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886 ms

Accessibility Review

vt-center.ru accessibility score

61

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.

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

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

vt-center.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vt-center.ru SEO score

82

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Vt-center.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 Vt-center.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

vt-center.ru

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