Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

mat-zadachi.ru

Задачи по математике 3 класс.

Page Load Speed

3.1 sec in total

First Response

689 ms

Resources Loaded

2.1 sec

Page Rendered

346 ms

mat-zadachi.ru screenshot

About Website

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

Задачи по математике для 3 класса. Математика 3 класс, задачи с решениями.

Visit mat-zadachi.ru

Key Findings

We analyzed Mat-zadachi.ru page load time and found that the first response time was 689 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

mat-zadachi.ru performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value1,800 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

mat-zadachi.ru

689 ms

style.css

265 ms

brand

16 ms

share.js

24 ms

adsbygoogle.js

7 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 12% of them (7 requests) were addressed to the original Mat-zadachi.ru, 12% (7 requests) were made to Tpc.googlesyndication.com and 12% (7 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (689 ms) belongs to the original domain Mat-zadachi.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 123.0 kB (38%)

Content Size

320.3 kB

After Optimization

197.3 kB

In fact, the total size of Mat-zadachi.ru main page is 320.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Javascripts take 192.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 47.2 kB

  • Original 58.9 kB
  • After minification 57.3 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 47.2 kB or 80% of the original size.

Image Optimization

-18%

Potential reduce by 12.7 kB

  • Original 68.5 kB
  • After minification 55.9 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. Obviously, Mat Zadachi needs image optimization as it can save up to 12.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-33%

Potential reduce by 63.1 kB

  • Original 192.7 kB
  • After minification 192.5 kB
  • After compression 129.6 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 63.1 kB or 33% of the original size.

CSS Optimization

-27%

Potential reduce by 65 B

  • Original 242 B
  • After minification 220 B
  • After compression 177 B

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. Mat-zadachi.ru needs all CSS files to be minified and compressed as it can save up to 65 B or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (63%)

Requests Now

52

After Optimization

19

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mat Zadachi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

mat-zadachi.ru accessibility score

60

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

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.

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

Form elements do not have associated labels

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

mat-zadachi.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

mat-zadachi.ru SEO score

77

Search Engine Optimization Advices

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 Mat-zadachi.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 Mat-zadachi.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 Mat Zadachi. 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: