Access cdk.ru. Live Promo|Афиша

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value4,150 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

cdk.ru

565 ms

cdk_style.css

138 ms

jquery.js

407 ms

jquery.imageZoom.js

272 ms

jquery.imageZoom.css

272 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 34% of them (39 requests) were addressed to the original Cdk.ru, 37% (43 requests) were made to St6-21.vk.com and 8% (9 requests) were made to Vk.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source St6-21.vk.com.

Content Size

3.1 MB

After Optimization

2.6 MB

In fact, the total size of Cdk.ru main page is 3.1 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. 60% of websites need less resources to load. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 23.2 kB

Original 29.4 kB
After minification 22.3 kB
After compression 6.2 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 7.0 kB, which is 24% 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 23.2 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 9.4 kB

Original 296.0 kB
After minification 286.7 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. Cdk images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 365.5 kB

Original 2.2 MB
After minification 2.2 MB
After compression 1.9 MB

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 365.5 kB or 16% of the original size.

CSS Optimization

-14%

Potential reduce by 73.4 kB

Original 525.8 kB
After minification 525.6 kB
After compression 452.4 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. Cdk.ru needs all CSS files to be minified and compressed as it can save up to 73.4 kB or 14% of the original size.

Requests Now

109

After Optimization

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 16 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

Form elements do not have associated labels

High

Links do not have a discernible name

High

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

N/A
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdk.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 Cdk.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

cdk.ru

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

Live Promo|Афиша

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

cdk.ru

cdk_style.css

jquery.js

jquery.imageZoom.js

jquery.imageZoom.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

cdk.ru

cdk_style.css

jquery.js

jquery.imageZoom.js

jquery.imageZoom.css

js

jquery.cycle.all.js

share.js

s3SliderPacked.js

openapi.js

jquery.metadata.min.js

jquery.swapimage.min.js

analytics.js

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

863x80.jpeg

live200.gif

ico_vk2.jpg

ico_fb2.jpg

ico_tw2.jpg

ico_yt2.jpg

ico_lf2.jpg

insta2.jpg

image.protect.php

image.protect.php

image.protect.php

image.protect.php

image.protect.php

image.protect.php

image.protect.php

image.protect.php

image.protect.php

image.protect.php

btn_send.jpg

blank.gif

rmt-50_bkz(cdk)_150x84.jpeg

150x84_4.jpeg

150x84_5.jpeg

watch.js

collect

collect

js

ga-audiences

share.d5b30abe919b24183022bcd01d19328c.js