Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

bossanovaclub.ru

Босса Нова | Танцевальный клуб в центре Москвы для взрослых и детей

Page Load Speed

10.5 sec in total

First Response

1.7 sec

Resources Loaded

7.4 sec

Page Rendered

1.4 sec

About Website

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

Школа танцев для детей и взрослых в самом центре Москвы, рядом с м. Добрынинская, Павелецкая для взрослых и детей: бальные танцы, танго, клубная латина. Записаться на пробный урок в студию танцев. Гру...

Visit bossanovaclub.ru

Key Findings

We analyzed Bossanovaclub.ru page load time and found that the first response time was 1.7 sec and then it took 8.8 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

bossanovaclub.ru performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value4,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

bossanovaclub.ru

1740 ms

bossanovaclub.ru

686 ms

tilda-fallback-1.0.min.js

68 ms

tilda-grid-3.0.min.css

38 ms

tilda-blocks-page30134465.min.css

216 ms

Our browser made a total of 161 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Bossanovaclub.ru, 63% (102 requests) were made to Static.tildacdn.com and 12% (19 requests) were made to Thb.tildacdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Bossanovaclub.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.5 MB (22%)

Content Size

15.9 MB

After Optimization

12.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bossanovaclub.ru main page is 15.9 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 12.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 2.9 MB

  • Original 3.2 MB
  • After minification 3.2 MB
  • After compression 384.5 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 2.9 MB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 663.0 kB

  • Original 12.3 MB
  • After minification 11.7 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. Bossanovaclub images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 252.4 kB
  • After minification 252.4 kB
  • After compression 249.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 5.7 kB

  • Original 89.7 kB
  • After minification 89.7 kB
  • After compression 84.1 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. Bossanovaclub.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 72 (50%)

Requests Now

144

After Optimization

72

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bossanovaclub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bossanovaclub.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.

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 IDs are not unique

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

Links do not have a discernible name

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

bossanovaclub.ru best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bossanovaclub.ru SEO score

89

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Bossanovaclub.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 Bossanovaclub.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

Open Graph data is detected on the main page of Bossanovaclub. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: