Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

art-teacher.ru

Всероссийский изобразительный диктант и другие конкурсы по изобразительному искусству - Текущие конкурсы

Page Load Speed

23.4 sec in total

First Response

520 ms

Resources Loaded

19.4 sec

Page Rendered

3.5 sec

About Website

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

Конкурсы по ИЗО, международные конкурсы по изобразительному искусству, всероссийский изобразительный диктант и другие конкурсы по изобразительному искусству

Visit art-teacher.ru

Key Findings

We analyzed Art-teacher.ru page load time and found that the first response time was 520 ms and then it took 22.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

art-teacher.ru performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value36.2 s

0/100

25%

SI (Speed Index)

Value21.9 s

0/100

10%

TBT (Total Blocking Time)

Value3,350 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value50.0 s

0/100

10%

Network Requests Diagram

art-teacher.ru

520 ms

art-teacher.ru

7405 ms

bootstrap.min.css

402 ms

bootstrap-theme.min.css

489 ms

themify-icons.css

514 ms

Our browser made a total of 418 requests to load all elements on the main page. We found that 8% of them (34 requests) were addressed to the original Art-teacher.ru, 91% (381 requests) were made to Storage.clickc.ru and 0% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (7.4 sec) belongs to the original domain Art-teacher.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 953.2 kB (6%)

Content Size

15.6 MB

After Optimization

14.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Art-teacher.ru main page is 15.6 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 14.5 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 494.5 kB

  • Original 538.3 kB
  • After minification 494.3 kB
  • After compression 43.8 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 494.5 kB or 92% of the original size.

Image Optimization

-1%

Potential reduce by 164.6 kB

  • Original 14.5 MB
  • After minification 14.3 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. Art Teacher images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.0 kB

  • Original 215.2 kB
  • After minification 215.2 kB
  • After compression 214.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 293.0 kB

  • Original 344.9 kB
  • After minification 303.7 kB
  • After compression 51.9 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. Art-teacher.ru needs all CSS files to be minified and compressed as it can save up to 293.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (5%)

Requests Now

409

After Optimization

388

  • Images
  • JavaScript
  • CSS

The browser has sent 409 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Art Teacher. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

art-teacher.ru accessibility score

85

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

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

art-teacher.ru 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

art-teacher.ru SEO score

100

Search Engine Optimization Advices

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

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 Art-teacher.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 Art-teacher.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 Art Teacher. 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: