Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

mersibo.ru

Мерсибо. Развивающие игры для детей, логопедов, педагогов, психологов

Page Load Speed

6.1 sec in total

First Response

393 ms

Resources Loaded

5.5 sec

Page Rendered

212 ms

About Website

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

Развивающие игры для детей от 2 до 8 лет. На портале игры и пособия для логопеда, воспитателя, психолога и педагога. Дидактические игры, подходят для детского сада и начальной школы

Visit mersibo.ru

Key Findings

We analyzed Mersibo.ru page load time and found that the first response time was 393 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

mersibo.ru performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

mersibo.ru

393 ms

front1_6_1

586 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

135 ms

css_TnHzS76BDE-rS9pgnF-MwD7XvXGMsabf6S7CywvYVlM.css

268 ms

css_CcdJsB_sw5XoUkC9nzWPOsOcnDGVpJkXASP33j77yqA.css

400 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 56% of them (33 requests) were addressed to the original Mersibo.ru, 10% (6 requests) were made to Ulogin.ru and 7% (4 requests) were made to Openstat.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Mersibo.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (8%)

Content Size

35.0 MB

After Optimization

32.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mersibo.ru main page is 35.0 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. 40% of websites need less resources to load. Images take 34.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 290.5 kB

  • Original 346.1 kB
  • After minification 328.4 kB
  • After compression 55.6 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 290.5 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 2.1 MB

  • Original 34.2 MB
  • After minification 32.1 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. Mersibo images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 141.5 kB

  • Original 215.6 kB
  • After minification 158.0 kB
  • After compression 74.1 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 141.5 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 212.6 kB

  • Original 250.4 kB
  • After minification 246.7 kB
  • After compression 37.8 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. Mersibo.ru needs all CSS files to be minified and compressed as it can save up to 212.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (43%)

Requests Now

49

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mersibo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

mersibo.ru accessibility score

75

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

Image elements do not have [alt] attributes

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.

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

mersibo.ru best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

mersibo.ru SEO score

90

Search Engine Optimization Advices

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mersibo.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Mersibo.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 description is not detected on the main page of Mersibo. 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: