Access school.imsider.ru. Открой свою собственную прибыльную онлайн-школу

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

school.imsider.ru

423 ms

css

19 ms

normalize.css

201 ms

flipclock_new.css

285 ms

reject.css

348 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 42% of them (42 requests) were addressed to the original School.imsider.ru, 36% (36 requests) were made to Lk.imsider.ru and 5% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain School.imsider.ru.

Content Size

742.2 kB

After Optimization

578.0 kB

In fact, the total size of School.imsider.ru main page is 742.2 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. 55% of websites need less resources to load. Images take 404.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 102.2 kB

Original 129.6 kB
After minification 123.1 kB
After compression 27.3 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 102.2 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 17.1 kB

Original 404.4 kB
After minification 387.3 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

-17%

Potential reduce by 13.7 kB

Original 78.5 kB
After minification 78.5 kB
After compression 64.8 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 13.7 kB or 17% of the original size.

CSS Optimization

-24%

Potential reduce by 31.2 kB

Original 129.7 kB
After minification 128.5 kB
After compression 98.5 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 31.2 kB or 24% of the original size.

Requests Now

After Optimization

The browser has sent 89 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 33 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

school.imsider.ru

css

normalize.css

flipclock_new.css

reject.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

school.imsider.ru

css

normalize.css

flipclock_new.css

reject.css

jquery.fancybox.css

social-likes.css

main.css

script

jquery-1.11.1.min.js

jquery-migrate-1.1.1.min.js

jquery.reject.js

jquery.activity.min.js

popup.js

jquery.fancybox.pack.js

social-likes.min.js

plugins.js

jquery.validate.min.js

flipclock.min.js

prefixfree.min.js

api.js

main.js

fbevents.js

close_icon.png

new_logo.png

plus_webinar.png

book.png

shakov.jpg

fedotkin.jpg

info.jpg

info1.jpg

info2.jpg

info3.jpg

gtm.js

init

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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4taVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4taVQ.woff

texture.png

icons.png

pfdintextcondpro-medium-webfont.woff

pfdintextcondpro-medital-webfont.woff

pfdintextcondpro-lightitalic-webfont.woff