Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

jool.ru

Интернет магазин музыкальных товаров Jool.ru

Page Load Speed

9.9 sec in total

First Response

1.2 sec

Resources Loaded

8.3 sec

Page Rendered

344 ms

jool.ru screenshot

About Website

Click here to check amazing Jool content for Russia. Otherwise, check out these important facts you probably never knew about jool.ru

Доступные цены на музыкальные инструменты в интернет магазине JOOL.RU (Москва). Мы предлагаем качественные товары от известных брендов. Ознакомиться с основными характеристиками музыкальных инструмент...

Visit jool.ru

Key Findings

We analyzed Jool.ru page load time and found that the first response time was 1.2 sec and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

jool.ru performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

jool.ru

1246 ms

openapi.js

385 ms

odkl_share.css

1053 ms

odkl_share.js

1059 ms

a_global.css

257 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 49% of them (75 requests) were addressed to the original Jool.ru, 8% (12 requests) were made to Vk.com and 6% (9 requests) were made to Cdn.retailrocket.ru. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Jool.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (39%)

Content Size

3.1 MB

After Optimization

1.9 MB

In fact, the total size of Jool.ru main page is 3.1 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 145.3 kB

  • Original 175.2 kB
  • After minification 165.4 kB
  • After compression 29.9 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 145.3 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 85.4 kB

  • Original 1.6 MB
  • After minification 1.5 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. Jool images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 618.5 kB

  • Original 898.2 kB
  • After minification 784.6 kB
  • After compression 279.7 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 618.5 kB or 69% of the original size.

CSS Optimization

-76%

Potential reduce by 338.1 kB

  • Original 444.4 kB
  • After minification 409.4 kB
  • After compression 106.3 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. Jool.ru needs all CSS files to be minified and compressed as it can save up to 338.1 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 84 (58%)

Requests Now

145

After Optimization

61

The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jool.ru accessibility score

54

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

jool.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

Displays images with incorrect aspect ratio

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

jool.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

    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 Jool.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 Jool.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 Jool. 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: