Tools & Wizards About Us
school.imsider.ru screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

school.imsider.ru

Открой свою собственную прибыльную онлайн-школу | Фабрика онлайн-школ SchoolFactory

Page Load Speed

13.3 sec in total

First Response

296 ms

Resources Loaded

12.6 sec

Page Rendered

436 ms

school.imsider.ru screenshot

About Website

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

Узнай, как открыть свою собственную прибыльную онлайн-школу и зарабатывать на своих (или чужих) знаниях

Visit school.imsider.ru

Key Findings

We analyzed School.imsider.ru page load time and found that the first response time was 296 ms and then it took 13 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

school.imsider.ru performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

school.imsider.ru

296 ms

book.imsider.ru

6078 ms

css

31 ms

normalize.css

16 ms

flipclock_new.css

979 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original School.imsider.ru, 66% (55 requests) were made to Book.imsider.ru and 6% (5 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (6.1 sec) relates to the external source Book.imsider.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 380.8 kB (60%)

Content Size

637.8 kB

After Optimization

257.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of School.imsider.ru main page is 637.8 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. 50% of websites need less resources to load. Javascripts take 340.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 103.9 kB

  • Original 132.7 kB
  • After minification 126.5 kB
  • After compression 28.8 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 103.9 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 4 B

  • Original 77.0 kB
  • After minification 76.9 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. School Imsider images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 209.2 kB

  • Original 340.9 kB
  • After minification 335.5 kB
  • After compression 131.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 209.2 kB or 61% of the original size.

CSS Optimization

-78%

Potential reduce by 67.7 kB

  • Original 87.3 kB
  • After minification 74.2 kB
  • After compression 19.6 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. School.imsider.ru needs all CSS files to be minified and compressed as it can save up to 67.7 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (63%)

Requests Now

78

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School Imsider. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

school.imsider.ru

school.imsider.ru

296 ms

book.imsider.ru

book.imsider.ru

6078 ms

css

css

31 ms

normalize.css

normalize.css

16 ms

flipclock_new.css

flipclock_new.css

979 ms

reject.css

reject.css

55 ms

jquery.fancybox.css

jquery.fancybox.css

16 ms

social-likes.css

social-likes.css

20 ms

main.css

main.css

22 ms

top100.jcn

top100.jcn

397 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1018 ms

jquery.reject.js

jquery.reject.js

5 ms

jquery.activity.min.js

jquery.activity.min.js

6 ms

popup.js

popup.js

1210 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

8 ms

social-likes.min.js

social-likes.min.js

28 ms

plugins.js

plugins.js

71 ms

jquery.validate.min.js

jquery.validate.min.js

32 ms

flipclock.min.js

flipclock.min.js

45 ms

prefixfree.min.js

prefixfree.min.js

4211 ms

api.js

api.js

29 ms

main2.js

main2.js

47 ms

gtm.js

gtm.js

50 ms

background.jpg

background.jpg

49 ms

close_icon.png

close_icon.png

13 ms

book.png

book.png

14 ms

timur-shakov.jpg

timur-shakov.jpg

15 ms

sergey-balakirev.jpg

sergey-balakirev.jpg

13 ms

user-1.jpg

user-1.jpg

15 ms

user-2.jpg

user-2.jpg

15 ms

user-3.jpg

user-3.jpg

15 ms

user-4.jpg

user-4.jpg

40 ms

user-5.jpg

user-5.jpg

41 ms

user-6.jpg

user-6.jpg

42 ms

texture.jpg

texture.jpg

32 ms

icons.png

icons.png

34 ms

person-input-icon.png

person-input-icon.png

34 ms

email-input-icon.png

email-input-icon.png

36 ms

button_orange_arrow.png

button_orange_arrow.png

34 ms

counter_background.png

counter_background.png

35 ms

button_orange_arrow_top.png

button_orange_arrow_top.png

36 ms

footer_bg.jpg

footer_bg.jpg

36 ms

pfdintextcondpro-medium-webfont.woff

pfdintextcondpro-medium-webfont.woff

12 ms

pfdintextcondpro-medital-webfont.woff

pfdintextcondpro-medital-webfont.woff

5050 ms

pfdintextcondpro-lightitalic-webfont.woff

pfdintextcondpro-lightitalic-webfont.woff

13 ms

top100.scn

top100.scn

146 ms

analytics.js

analytics.js

11 ms

watch.js

watch.js

169 ms

rtrg

rtrg

274 ms

fbds.js

fbds.js

100 ms

code.js

code.js

314 ms

linkid.js

linkid.js

11 ms

collect

collect

11 ms

collect

collect

64 ms

ga-audiences

ga-audiences

79 ms

102 ms

122 ms

watch.js

watch.js

436 ms

counter

counter

156 ms

advert.gif

advert.gif

85 ms

1

1

85 ms

normalize.css

normalize.css

114 ms

flipclock_new.css

flipclock_new.css

124 ms

reject.css

reject.css

144 ms

jquery.fancybox.css

jquery.fancybox.css

72 ms

social-likes.css

social-likes.css

84 ms

main.css

main.css

92 ms

fql

fql

127 ms

share_count

share_count

324 ms

book.imsider.ru

book.imsider.ru

1085 ms

background_browser.gif

background_browser.gif

210 ms

browser_firefox.gif

browser_firefox.gif

204 ms

browser_chrome.gif

browser_chrome.gif

266 ms

browser_msie.gif

browser_msie.gif

459 ms

browser_safari.gif

browser_safari.gif

1321 ms

browser_opera.gif

browser_opera.gif

424 ms

browser_gcf.gif

browser_gcf.gif

546 ms

clock-background.jpg

clock-background.jpg

557 ms

dk

dk

322 ms

share.php

share.php

161 ms

12922898

12922898

252 ms

tracker

tracker

235 ms

22 ms

Accessibility Review

school.imsider.ru accessibility score

80

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.

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

Best Practices

school.imsider.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

school.imsider.ru SEO score

92

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

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 School.imsider.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 School.imsider.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

school.imsider.ru

Open Graph description is not detected on the main page of School Imsider. 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: