Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

science.theoryandpractice.ru

Теории и практики

Page Load Speed

20.7 sec in total

First Response

702 ms

Resources Loaded

17.9 sec

Page Rendered

2.1 sec

science.theoryandpractice.ru screenshot

About Website

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

Семинары, лекции и другие формы интеллектуального досуга, полезные курсы в . Онлайн-курсы и видео-лекции. Мнения и новости из мира образования и популярной науки.

Visit science.theoryandpractice.ru

Key Findings

We analyzed Science.theoryandpractice.ru page load time and found that the first response time was 702 ms and then it took 20 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

science.theoryandpractice.ru performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value2,290 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.333

34/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

science.theoryandpractice.ru

702 ms

posts

1613 ms

css

111 ms

css

156 ms

sitewide-773c2d76b6e99ef810f6b5dd5edcd4df.css

946 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 11% of them (17 requests) were addressed to the original Science.theoryandpractice.ru, 16% (24 requests) were made to W-o-s.ru and 8% (12 requests) were made to Vk.com. The less responsive or slowest element that took the longest time to load (8.5 sec) relates to the external source Banners.adfox.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (33%)

Content Size

3.7 MB

After Optimization

2.5 MB

In fact, the total size of Science.theoryandpractice.ru main page is 3.7 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. 65% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 53.1 kB

  • Original 74.2 kB
  • After minification 74.1 kB
  • After compression 21.1 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 53.1 kB or 72% of the original size.

Image Optimization

-13%

Potential reduce by 260.9 kB

  • Original 2.1 MB
  • After minification 1.8 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. Obviously, Science Theoryandpractice needs image optimization as it can save up to 260.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 582.7 kB

  • Original 994.7 kB
  • After minification 930.8 kB
  • After compression 412.0 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 582.7 kB or 59% of the original size.

CSS Optimization

-57%

Potential reduce by 324.2 kB

  • Original 566.8 kB
  • After minification 556.7 kB
  • After compression 242.6 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. Science.theoryandpractice.ru needs all CSS files to be minified and compressed as it can save up to 324.2 kB or 57% of the original size.

Requests Breakdown

Number of requests can be reduced by 71 (53%)

Requests Now

135

After Optimization

64

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Theoryandpractice. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

science.theoryandpractice.ru accessibility score

71

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 input fields do not have accessible names

High

[role] values are not valid

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.

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

Links do not have a discernible name

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

science.theoryandpractice.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

High

Missing source maps for large first-party JavaScript

SEO Factors

science.theoryandpractice.ru SEO score

92

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

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 Science.theoryandpractice.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 Science.theoryandpractice.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 Science Theoryandpractice. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: