Access pro-club.org. Онлайн-Курсы обучения по веб-разработке и программированию с наставником

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

pro-club.org

344 ms

pro-club.org

578 ms

all.css

56 ms

css

59 ms

owl.carousel.min.css

120 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 80% of them (57 requests) were addressed to the original Pro-club.org, 6% (4 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Pro-club.org.

Content Size

1.7 MB

After Optimization

1.2 MB

In fact, the total size of Pro-club.org main page is 1.7 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. 50% of websites need less resources to load. Javascripts take 873.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 48.2 kB

Original 57.2 kB
After minification 49.9 kB
After compression 9.0 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. This page needs HTML code to be minified as it can gain 7.3 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 48.2 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 35.4 kB

Original 740.8 kB
After minification 705.4 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. Pro Club images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 393.6 kB

Original 873.1 kB
After minification 873.1 kB
After compression 479.5 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 393.6 kB or 45% of the original size.

CSS Optimization

-20%

Potential reduce by 11.7 kB

Original 57.9 kB
After minification 57.9 kB
After compression 46.2 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. Pro-club.org needs all CSS files to be minified and compressed as it can save up to 11.7 kB or 20% of the original size.

Requests Now

After Optimization

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pro Club. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

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

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

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

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 Pro-club.org 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 Pro-club.org 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

pro-club.org

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

Онлайн-Курсы обучения по веб-разработке и программированию с наставником

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

pro-club.org

pro-club.org

all.css

css

owl.carousel.min.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

pro-club.org

pro-club.org

all.css

css

owl.carousel.min.css

owl.theme.default.min.css

bootstrap.css

style.css

api.js

jquery.js

slider.js

owl.carousel.min.js

bootstrap.bundle.js

wow.js

script.js

yii.js

yii.validation.js

yii.activeForm.js

css

tag.js

logo.png

Slider-9-bg.jpg

Slider-9-divider.png

Slider-9-imac.png

Slider-9-icon-win.png

Slider-9-icon-text-tagline.png

Slider-9-icon-text-2.png

Slider-9-icon-text-1.png

Slider-9-icon-mac.png

logo1.png

Slider-9-icon-android.png

Slider-12-BG.jpg

net01.png

Slider-12-text-3.png

Slider-12-text-2.png

Slider-12-text-title.png

Slider-12-divider.png

Slider-12-text-1.png

Slider-11-Point-3.png

Slider-10-Bg.png

it04.png

Slider-10-text-2.png

Slider-10-text-3.png