Tools & Wizards About Us
vtvent.ru screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vtvent.ru

Вентиляционные решетки, клапаны фасадные жалюзи и заборы AIRO-CLIMATE

Page Load Speed

9.4 sec in total

First Response

520 ms

Resources Loaded

8.2 sec

Page Rendered

719 ms

vtvent.ru screenshot

About Website

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

Производство и продажа вентиляционных решеток и клапанов для вентиляции, бактерицидного оборудования, фасадных ламелей в Москве и других городах Росии и СНГ. Вентрешетки всех видов со склада и на зака...

Visit vtvent.ru

Key Findings

We analyzed Vtvent.ru page load time and found that the first response time was 520 ms and then it took 8.9 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

vtvent.ru performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value27.3 s

0/100

25%

SI (Speed Index)

Value20.5 s

0/100

10%

TBT (Total Blocking Time)

Value7,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.412

24/100

15%

TTI (Time to Interactive)

Value46.5 s

0/100

10%

Network Requests Diagram

vtvent.ru

520 ms

www.vtvent.ru

1659 ms

cs.min.js

1421 ms

gtm.js

60 ms

standalone.e84f9f882e2138c4d175057c12f1eab81719235655.css

395 ms

Our browser made a total of 192 requests to load all elements on the main page. We found that 77% of them (147 requests) were addressed to the original Vtvent.ru, 9% (18 requests) were made to Youtube.com and 5% (10 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Vtvent.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.6 kB (3%)

Content Size

11.3 MB

After Optimization

11.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vtvent.ru main page is 11.3 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. Only a small number of websites need less resources to load. Images take 10.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 266.2 kB

  • Original 311.8 kB
  • After minification 258.1 kB
  • After compression 45.6 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. This page needs HTML code to be minified as it can gain 53.7 kB, which is 17% 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 266.2 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 26.8 kB

  • Original 10.3 MB
  • After minification 10.2 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. Vtvent images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 6.7 kB

  • Original 505.2 kB
  • After minification 505.2 kB
  • After compression 498.5 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

-2%

Potential reduce by 3.0 kB

  • Original 183.8 kB
  • After minification 183.8 kB
  • After compression 180.9 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. Vtvent.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (10%)

Requests Now

184

After Optimization

165

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 184 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vtvent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vtvent.ru

vtvent.ru

520 ms

www.vtvent.ru

www.vtvent.ru

1659 ms

cs.min.js

cs.min.js

1421 ms

gtm.js

gtm.js

60 ms

standalone.e84f9f882e2138c4d175057c12f1eab81719235655.css

standalone.e84f9f882e2138c4d175057c12f1eab81719235655.css

395 ms

share-button.min.css

share-button.min.css

379 ms

jquery.min.js

jquery.min.js

26 ms

scripts-991ca9245a2d14312e0cf056817cebd11719235655.js

scripts-991ca9245a2d14312e0cf056817cebd11719235655.js

1294 ms

api.js

api.js

44 ms

owl.carousel.min.js

owl.carousel.min.js

492 ms

callibri.js

callibri.js

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analytics.js

analytics.js

201 ms

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304 ms

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976 ms

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05_%D0%96%D0%B0%D0%BB%D1%8E%D0%B7%D0%B8%D0%B9%D0%BD%D1%8B%D0%B5_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8B.jpg

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1230 ms

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03_%D0%BA%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD_%D0%B2%D0%BE%D0%B7%D0%B4%D1%83%D1%88%D0%BD%D1%8B%D0%B9.jpg

1230 ms

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1623 ms

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1624 ms

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1624 ms

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1628 ms

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1932 ms

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1932 ms

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2065 ms

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2155 ms

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2065 ms

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2065 ms

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419 ms

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2127 ms

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12 ms

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59 ms

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17 ms

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34 ms

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67 ms

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1960 ms

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2044 ms

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2043 ms

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794 ms

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498 ms

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431 ms

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263 ms

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340 ms

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521 ms

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83 ms

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1374 ms

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227 ms

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404 ms

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id

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390 ms

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1349 ms

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824 ms

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827 ms

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828 ms

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829 ms

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431 ms

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1137 ms

Create

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233 ms

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26 ms

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1034 ms

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260 ms

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144 ms

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83 ms

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984 ms

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794 ms

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1_4oyw-ab.jpg

798 ms

1.JPG

1.JPG

775 ms

0.jpg

0.jpg

777 ms

0_kujk-lo.jpg

0_kujk-lo.jpg

776 ms

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776 ms

IMG_2701.JPG

IMG_2701.JPG

791 ms

2_7ypw-1m.jpg

2_7ypw-1m.jpg

791 ms

1_rfh2-ja.jpg

1_rfh2-ja.jpg

777 ms

0_wwg1-yl.jpg

0_wwg1-yl.jpg

778 ms

log_event

log_event

51 ms

log_event

log_event

51 ms

log_event

log_event

49 ms

log_event

log_event

46 ms

log_event

log_event

39 ms

Accessibility Review

vtvent.ru accessibility score

72

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

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

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

vtvent.ru best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vtvent.ru SEO score

91

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

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtvent.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Vtvent.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

vtvent.ru

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