Access master-class72.ru. Тренинговая компания Мастер-класс

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

master-class72.ru

1159 ms

js_composer.min.css

288 ms

layerslider.css

417 ms

style.min.css

419 ms

styles.css

416 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 86% of them (78 requests) were addressed to the original Master-class72.ru, 7% (6 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Master-class72.ru.

Content Size

2.6 MB

After Optimization

2.5 MB

In fact, the total size of Master-class72.ru main page is 2.6 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. 70% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 92.4 kB

Original 108.7 kB
After minification 106.4 kB
After compression 16.3 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 92.4 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 72.8 kB

Original 2.2 MB
After minification 2.1 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. Master Class 72 images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 8.3 kB

Original 202.3 kB
After minification 202.3 kB
After compression 194.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 9.8 kB

Original 111.1 kB
After minification 110.8 kB
After compression 101.3 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. Master-class72.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Master Class 72. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 18 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

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

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

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

High

Tap targets are not sized appropriately

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 Master-class72.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 Master-class72.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

master-class72.ru

Open Graph data is detected on the main page of Master Class 72. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Тренинговая компания Мастер-класс - повышение уровня бизнеса

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

master-class72.ru

js_composer.min.css

layerslider.css

style.min.css

styles.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

master-class72.ru

js_composer.min.css

layerslider.css

style.min.css

styles.css

settings.css

owl.carousel.css

font-awesome.min.css

style-front_end.css

bootstrap.modal.css

front.css

style.css

style.css

font-awesome.min.css

css

greensock.js

jquery.js

jquery-migrate.min.js

layerslider.kreaturamedia.jquery.js

layerslider.transitions.js

owl.carousel.js

isotope.pkgd.min.js

modernizr.min.js

libs.js

social-likes_flat.css

social-likes.min.js

jquery.mask.min.js

style.css

effect_style.css

scripts.js

bootstrap.min.js

theme.js

wp-embed.min.js

js_composer_front.min.js

www.mailerlite.com

www.mailerlite.com

gtm.js

fbevents.js

logo-header1.png

09.jpg

sl-2024.jpg

slider-raspisanie.jpg

5666.jpg