Access ksdbook.ru. Книжный Клуб. Клуб Семейного Досуга. Книжный интернет-магазин. КСД

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

ksdbook.ru

89 ms

ksdbook.ru

470 ms

style.css

15 ms

myclub.css

351 ms

main_columns.css

363 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 96% of them (105 requests) were addressed to the original Ksdbook.ru, 3% (3 requests) were made to Web.archive.org and 1% (1 request) were made to Widget.siteheart.com. The less responsive or slowest element that took the longest time to load (828 ms) relates to the external source Web.archive.org.

Content Size

581.2 kB

After Optimization

465.2 kB

In fact, the total size of Ksdbook.ru main page is 581.2 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. 30% of websites need less resources to load. Images take 471.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 92.6 kB

Original 109.4 kB
After minification 109.3 kB
After compression 16.8 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 92.6 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 23.4 kB

Original 471.2 kB
After minification 447.8 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. Ksdbook images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 17 B

Original 655 B
After minification 655 B
After compression 638 B

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.

Requests Now

106

After Optimization

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ksdbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 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

[id] attributes on active, focusable elements are not unique

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 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

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ksdbook.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 Ksdbook.ru main page’s claimed encoding is . 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

ksdbook.ru

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

Книжный Клуб. Клуб Семейного Досуга. Книжный интернет-магазин. КСД

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

ksdbook.ru

ksdbook.ru

style.css

myclub.css

main_columns.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ksdbook.ru

ksdbook.ru

style.css

myclub.css

main_columns.css

jqueryslidemenu.css

jquery-1.8.3.js

jquery.placeholder.min.js

jqueryslidemenu.js

browsever.js

frmsbmt4au.js

sendmail.js

zanaves.js

uploadnowonline.js

sessvars.js

session.scroll.js

jquery.galleryScroll.1.4.6.pack.js

jquery.galleryScrollvertical.js

lightbox.css

jquery.lightbox.js

one_block_products.js

email-decode.min.js

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close_reanim_form.jpg

enter.png

icon_cabinet.jpg

icon_map.jpg

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loupe_.png

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lh_price.png

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