Tools & Wizards About Us
centrvarikoza.ru screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

centrvarikoza.ru

Центр Инновационной Флебологии | Современная клиника в Москве

Page Load Speed

10.3 sec in total

First Response

552 ms

Resources Loaded

8.8 sec

Page Rendered

876 ms

centrvarikoza.ru screenshot

About Website

Visit centrvarikoza.ru now to see the best up-to-date Centrvarikoza content for Russia and also check out these interesting facts you probably never knew about centrvarikoza.ru

Центр Инновационной Флебологии — одна из ведущих клиник, занимающаяся лечением варикоза и других заболеваний венозной системы в Москве. У нас работают флебологи, прошедшие стажировку в медицинских учр...

Visit centrvarikoza.ru

Key Findings

We analyzed Centrvarikoza.ru page load time and found that the first response time was 552 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

centrvarikoza.ru performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value33.9 s

0/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value15,160 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value44.3 s

0/100

10%

Network Requests Diagram

centrvarikoza.ru

552 ms

www.centrvarikoza.ru

906 ms

jquery.min.js

37 ms

jquery-ui.min.js

48 ms

jquery-ui-1.9.2.custom.css

132 ms

Our browser made a total of 209 requests to load all elements on the main page. We found that 66% of them (138 requests) were addressed to the original Centrvarikoza.ru, 7% (14 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 (3.8 sec) belongs to the original domain Centrvarikoza.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 799.8 kB (16%)

Content Size

4.9 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centrvarikoza.ru main page is 4.9 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. Only a small number of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 379.3 kB

  • Original 447.4 kB
  • After minification 432.3 kB
  • After compression 68.1 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 379.3 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 116.0 kB

  • Original 3.3 MB
  • After minification 3.2 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. Centrvarikoza images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 295.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 760.6 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 295.0 kB or 28% of the original size.

CSS Optimization

-8%

Potential reduce by 9.5 kB

  • Original 111.9 kB
  • After minification 111.8 kB
  • After compression 102.3 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. Centrvarikoza.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 87 (44%)

Requests Now

200

After Optimization

113

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 200 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrvarikoza. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centrvarikoza.ru

centrvarikoza.ru

552 ms

www.centrvarikoza.ru

www.centrvarikoza.ru

906 ms

jquery.min.js

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37 ms

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Accessibility Review

centrvarikoza.ru accessibility score

87

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

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

Best Practices

centrvarikoza.ru best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

centrvarikoza.ru SEO score

88

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

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrvarikoza.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 Centrvarikoza.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

centrvarikoza.ru

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