Tools & Wizards About Us
center-n.ru screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

center-n.ru

Интернет-магазин NEDION. Игровые приставки, видеоигры и аксессуары Xbox, PlayStation, Nintendo

Page Load Speed

25.6 sec in total

First Response

318 ms

Resources Loaded

25 sec

Page Rendered

304 ms

center-n.ru screenshot

About Website

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

Интернет-магазин NEDION. Продажа и доставка игровых приставок PlayStation (PS4, PS3, PS Vita и PSP), Xbox (One, 360) и Nintendo. Купить игры , контроллеры и аксессуары для игровых систем Сони, Майкрос...

Visit center-n.ru

Key Findings

We analyzed Center-n.ru page load time and found that the first response time was 318 ms and then it took 25.3 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 were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

center-n.ru performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value25.8 s

0/100

10%

TBT (Total Blocking Time)

Value3,180 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value52.0 s

0/100

10%

Network Requests Diagram

center-n.ru

318 ms

center-n.ru

378 ms

www.center-n.ru

318 ms

www.center-n.ru

537 ms

niftycube.js

170 ms

Our browser made a total of 258 requests to load all elements on the main page. We found that 33% of them (86 requests) were addressed to the original Center-n.ru, 7% (17 requests) were made to Assets.alicdn.com and 5% (12 requests) were made to Ae01.alicdn.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Hotels.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (39%)

Content Size

4.5 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Center-n.ru main page is 4.5 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. Javascripts take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 54.9 kB

  • Original 67.5 kB
  • After minification 63.7 kB
  • After compression 12.6 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. 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 54.9 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 178.1 kB

  • Original 1.4 MB
  • After minification 1.2 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. Obviously, Center N needs image optimization as it can save up to 178.1 kB or 13% 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 1.2 MB

  • Original 2.3 MB
  • After minification 2.3 MB
  • After compression 1.1 MB

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 1.2 MB or 51% of the original size.

CSS Optimization

-48%

Potential reduce by 355.8 kB

  • Original 735.6 kB
  • After minification 728.1 kB
  • After compression 379.8 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. Center-n.ru needs all CSS files to be minified and compressed as it can save up to 355.8 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (32%)

Requests Now

219

After Optimization

149

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 219 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Center N. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

center-n.ru

center-n.ru

318 ms

center-n.ru

center-n.ru

378 ms

www.center-n.ru

www.center-n.ru

318 ms

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www.center-n.ru

537 ms

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www.adameve.com

www.adameve.com

699 ms

free-trial

free-trial

239 ms

www.hrblock.com

www.hrblock.com

123 ms

8 ms

www.dyson.com

www.dyson.com

38 ms

en

en

81 ms

tracker

tracker

150 ms

Accessibility Review

center-n.ru accessibility score

86

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

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

center-n.ru best practices score

50

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

center-n.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

center-n.ru

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