Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 59% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

dzvr.ru

???????? ??????????????? ????????

Page Load Speed

5.3 sec in total

First Response

849 ms

Resources Loaded

4.2 sec

Page Rendered

190 ms

dzvr.ru screenshot

About Website

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

???????? ??????????????? ????????

Visit dzvr.ru

Key Findings

We analyzed Dzvr.ru page load time and found that the first response time was 849 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dzvr.ru performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

dzvr.ru

849 ms

kernel.css

190 ms

template_d153715412e46c4eeab10c3ca63096e2_54bedac959224bfc66cb98ce83ef902f.css

360 ms

kernel.js

1203 ms

style.css

361 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 63% of them (29 requests) were addressed to the original Dzvr.ru, 22% (10 requests) were made to Api-maps.yandex.ru and 2% (1 request) were made to Cms.indigointeractive.ru. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dzvr.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 923.2 kB (65%)

Content Size

1.4 MB

After Optimization

498.6 kB

In fact, the total size of Dzvr.ru main page is 1.4 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. 30% of websites need less resources to load. Javascripts take 843.3 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 129.9 kB

  • Original 204.0 kB
  • After minification 203.2 kB
  • After compression 74.2 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 129.9 kB or 64% of the original size.

Image Optimization

-5%

Potential reduce by 11.2 kB

  • Original 225.6 kB
  • After minification 214.4 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. Dzvr images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 651.5 kB

  • Original 843.3 kB
  • After minification 737.0 kB
  • After compression 191.8 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 651.5 kB or 77% of the original size.

CSS Optimization

-88%

Potential reduce by 130.6 kB

  • Original 148.9 kB
  • After minification 133.5 kB
  • After compression 18.3 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. Dzvr.ru needs all CSS files to be minified and compressed as it can save up to 130.6 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (53%)

Requests Now

38

After Optimization

18

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dzvr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dzvr.ru accessibility score

85

Accessibility Issues

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

dzvr.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

Missing source maps for large first-party JavaScript

SEO Factors

dzvr.ru SEO score

62

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dzvr.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Dzvr.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 Dzvr. 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: