Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 82

    SEO

    Google-friendlier than
    52% of websites

js.com.ua

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Page Load Speed

13.8 sec in total

First Response

1.1 sec

Resources Loaded

12.3 sec

Page Rendered

415 ms

js.com.ua screenshot

About Website

Visit js.com.ua now to see the best up-to-date Js content for Ukraine and also check out these interesting facts you probably never knew about js.com.ua

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Visit js.com.ua

Key Findings

We analyzed Js.com.ua page load time and found that the first response time was 1.1 sec and then it took 12.7 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

js.com.ua performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

js.com.ua

1101 ms

css

129 ms

css

136 ms

kernel_main.css

271 ms

template_8ba992ff5d7020241265184e093a69b7.css

371 ms

Our browser made a total of 482 requests to load all elements on the main page. We found that 98% of them (472 requests) were addressed to the original Js.com.ua, 0% (2 requests) were made to Fonts.googleapis.com and 0% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Js.com.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (20%)

Content Size

9.0 MB

After Optimization

7.2 MB

In fact, the total size of Js.com.ua main page is 9.0 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 7.7 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 446.1 kB

  • Original 492.5 kB
  • After minification 321.0 kB
  • After compression 46.4 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. This page needs HTML code to be minified as it can gain 171.4 kB, which is 35% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 446.1 kB or 91% of the original size.

Image Optimization

-10%

Potential reduce by 809.6 kB

  • Original 7.7 MB
  • After minification 6.9 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. Js images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 420.2 kB

  • Original 630.2 kB
  • After minification 587.8 kB
  • After compression 210.0 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 420.2 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 162.9 kB

  • Original 188.4 kB
  • After minification 161.6 kB
  • After compression 25.4 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. Js.com.ua needs all CSS files to be minified and compressed as it can save up to 162.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (10%)

Requests Now

478

After Optimization

429

The browser has sent 478 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

js.com.ua accessibility score

62

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

js.com.ua 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

js.com.ua SEO score

82

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

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 doesn't use 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 Js.com.ua 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 Js.com.ua 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 Js. 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: