Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

notebook-center.ru

Ноутбук-Центр - портал о ноутбуках, обзоры, новости, каталог ноутбуков

Page Load Speed

5 sec in total

First Response

548 ms

Resources Loaded

4.2 sec

Page Rendered

337 ms

notebook-center.ru screenshot

About Website

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

портал о ноутбуках, обзоры, новости, каталог ноутбуков

Visit notebook-center.ru

Key Findings

We analyzed Notebook-center.ru page load time and found that the first response time was 548 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

notebook-center.ru performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value3,400 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

notebook-center.ru

548 ms

www.notebook-center.ru

715 ms

style.css

374 ms

mobile.css

246 ms

jquery-1.3.2.js

618 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 64% of them (83 requests) were addressed to the original Notebook-center.ru, 6% (8 requests) were made to Pagead2.googlesyndication.com and 4% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1000 ms) belongs to the original domain Notebook-center.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 561.6 kB (38%)

Content Size

1.5 MB

After Optimization

935.9 kB

In fact, the total size of Notebook-center.ru main page is 1.5 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. 50% of websites need less resources to load. Images take 692.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 39.8 kB

  • Original 51.5 kB
  • After minification 48.3 kB
  • After compression 11.7 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 39.8 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 19.7 kB

  • Original 692.2 kB
  • After minification 672.5 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. Notebook Center images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 376.9 kB

  • Original 605.1 kB
  • After minification 580.5 kB
  • After compression 228.2 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 376.9 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 125.2 kB

  • Original 148.7 kB
  • After minification 126.1 kB
  • After compression 23.5 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. Notebook-center.ru needs all CSS files to be minified and compressed as it can save up to 125.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (47%)

Requests Now

121

After Optimization

64

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Notebook Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

notebook-center.ru accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

notebook-center.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

SEO Factors

notebook-center.ru SEO score

84

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Notebook-center.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Notebook-center.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 Notebook Center. 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: