Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

cvert.ru

Компания «НПО «ЦВЭРТ» - Главная :: Комплексные работы по оптимизации пневмосистем предприятий

Page Load Speed

8.3 sec in total

First Response

1.6 sec

Resources Loaded

6.3 sec

Page Rendered

352 ms

cvert.ru screenshot

About Website

Click here to check amazing Cvert content for Russia. Otherwise, check out these important facts you probably never knew about cvert.ru

Компания «НПО «ЦВЭРТ» специализируется на проведении полного комплекса работ по оптимизации пневмосистем промышленных предприятий по ДОСТУПНОЙ ЦЕНЕ. Главная. Наш телефон в Москве: +7 (495) 795-00-35

Visit cvert.ru

Key Findings

We analyzed Cvert.ru page load time and found that the first response time was 1.6 sec and then it took 6.7 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

cvert.ru performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

cvert.ru

1608 ms

css

31 ms

template_a757905ea2d3002b64b37a8ee2d57166_v1.css

1847 ms

core.min.js

909 ms

jquery-2.1.3.min.min.js

548 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 74% of them (20 requests) were addressed to the original Cvert.ru, 7% (2 requests) were made to Bitrix.info and 7% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Cvert.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (42%)

Content Size

5.2 MB

After Optimization

3.0 MB

In fact, the total size of Cvert.ru main page is 5.2 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. 20% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 148.5 kB

  • Original 175.4 kB
  • After minification 147.6 kB
  • After compression 27.0 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 27.9 kB, which is 16% 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 148.5 kB or 85% of the original size.

Image Optimization

-32%

Potential reduce by 1.3 MB

  • Original 4.2 MB
  • After minification 2.8 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. Obviously, Cvert needs image optimization as it can save up to 1.3 MB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 71.2 kB

  • Original 109.6 kB
  • After minification 109.6 kB
  • After compression 38.4 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 71.2 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 606.3 kB

  • Original 725.5 kB
  • After minification 720.0 kB
  • After compression 119.1 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. Cvert.ru needs all CSS files to be minified and compressed as it can save up to 606.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (50%)

Requests Now

22

After Optimization

11

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cvert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cvert.ru accessibility score

81

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

cvert.ru best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cvert.ru SEO score

85

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

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 Cvert.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 Cvert.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

Open Graph data is detected on the main page of Cvert. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: