Access ctschool.ru. Корпоративные тренинги, тренинги руководителей, бизнес тренинги, тренинги тренеров

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value9,030 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.523

15/100

15%

TTI (Time to Interactive)

Value31.1 s

0/100

10%

ctschool.ru

817 ms

template_css.css

282 ms

header.css

274 ms

menu.js

275 ms

mod_ajax.js

466 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 68% of them (67 requests) were addressed to the original Ctschool.ru, 7% (7 requests) were made to Mc.yandex.ru and 4% (4 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Ctschool.ru.

Content Size

2.3 MB

After Optimization

1.6 MB

In fact, the total size of Ctschool.ru main page is 2.3 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 83.1 kB

Original 102.0 kB
After minification 99.9 kB
After compression 19.0 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 83.1 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 194.9 kB

Original 1.6 MB
After minification 1.4 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, Ctschool needs image optimization as it can save up to 194.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 207.8 kB

Original 381.4 kB
After minification 377.7 kB
After compression 173.6 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 207.8 kB or 54% of the original size.

CSS Optimization

-83%

Potential reduce by 227.0 kB

Original 274.5 kB
After minification 271.4 kB
After compression 47.5 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. Ctschool.ru needs all CSS files to be minified and compressed as it can save up to 227.0 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ctschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

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

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

Language Detected

RU
Language Claimed

RU
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctschool.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 Ctschool.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ctschool.ru

Open Graph description is not detected on the main page of Ctschool. 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

Корпоративные тренинги, тренинги руководителей, бизнес тренинги, тренинги тренеров

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

ctschool.ru

template_css.css

header.css

menu.js

mod_ajax.js

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

ctschool.ru

template_css.css

header.css

menu.js

mod_ajax.js

mod_org_ajax.js

mail.js

marks.js

share.js

connect

top100.jcn

horse.png

phone.gif

school.gif

text.jpg

wh_bl.png

dot.gif

bk.png

heros3.png

hero3.png

hero6.png

hero1.png

hero12.png

hero4.png

hero11.png

s.gif

letter.gif

plan-2016.gif

akcia-2016.gif

trening.ekaterina.gif

close.gif

rasp.gif

org_search.png

tr.jpg

mk14-02-2016sm.jpg

tr14-02-16sm.jpg

mkl-5-sm.jpg

sm-trening-situasii-2016.jpg

sm-trening-etno-2016.jpg

miek-trening.jpg

mgy-trening.jpg

glavgoreksp-19-20-trening.jpg

nauka-pob-28-30.jpg