Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

djarena.ru

DJ оборудование для клубов и дискотек, магазин DJ оборудования в Санкт-Петербурге

Page Load Speed

24.5 sec in total

First Response

433 ms

Resources Loaded

23.5 sec

Page Rendered

576 ms

djarena.ru screenshot

About Website

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

Магазин по продаже DJ оборудования для ночного клуба, музыкальное dj оборудование для клубов и дискотек

Visit djarena.ru

Key Findings

We analyzed Djarena.ru page load time and found that the first response time was 433 ms and then it took 24 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

djarena.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value5,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

djarena.ru

433 ms

www.djarena.ru

1627 ms

style.css

254 ms

ac_runactivecontent.js

379 ms

jquery-1.6.4.min.js

651 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 80% of them (67 requests) were addressed to the original Djarena.ru, 4% (3 requests) were made to Top-fwz1.mail.ru and 2% (2 requests) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Rbkmoney.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 662.6 kB (57%)

Content Size

1.2 MB

After Optimization

504.1 kB

In fact, the total size of Djarena.ru main page is 1.2 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. 45% of websites need less resources to load. Images take 867.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 137.8 kB

  • Original 159.7 kB
  • After minification 145.4 kB
  • After compression 22.0 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. 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 137.8 kB or 86% of the original size.

Image Optimization

-52%

Potential reduce by 446.8 kB

  • Original 867.4 kB
  • After minification 420.6 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. Obviously, DJ Arena needs image optimization as it can save up to 446.8 kB or 52% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 60.7 kB

  • Original 118.9 kB
  • After minification 118.9 kB
  • After compression 58.2 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 60.7 kB or 51% of the original size.

CSS Optimization

-84%

Potential reduce by 17.3 kB

  • Original 20.7 kB
  • After minification 15.8 kB
  • After compression 3.3 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. Djarena.ru needs all CSS files to be minified and compressed as it can save up to 17.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (6%)

Requests Now

72

After Optimization

68

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DJ Arena. 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 as a result speed up the page load time.

Accessibility Review

djarena.ru accessibility score

40

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

djarena.ru best practices score

58

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

djarena.ru SEO score

62

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

High

Document uses plugins

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 Djarena.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 Djarena.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 DJ Arena. 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: