Access express-kniga.de. Express-kniga.de: КНИГИ (Knigi): Русские Книги, Аудиокниги, Фильмы и Музыка в Германии

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value560 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.279

43/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

express-kniga.de

504 ms

www.express-kniga.de

714 ms

style.css

122 ms

all_without_ie.css

218 ms

logo_new.png

300 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 94% of them (111 requests) were addressed to the original Express-kniga.de, 2% (2 requests) were made to Cdnjs.cloudflare.com and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (858 ms) belongs to the original domain Express-kniga.de.

Content Size

769.7 kB

After Optimization

444.8 kB

In fact, the total size of Express-kniga.de main page is 769.7 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. 35% of websites need less resources to load. Images take 282.8 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 234.8 kB

Original 254.7 kB
After minification 187.8 kB
After compression 19.9 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 66.9 kB, which is 26% 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 234.8 kB or 92% of the original size.

Image Optimization

-8%

Potential reduce by 23.1 kB

Original 282.8 kB
After minification 259.7 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. Express Kniga images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 63.1 kB

Original 209.3 kB
After minification 209.3 kB
After compression 146.2 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 63.1 kB or 30% of the original size.

CSS Optimization

-17%

Potential reduce by 3.9 kB

Original 22.8 kB
After minification 22.7 kB
After compression 18.9 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. Express-kniga.de needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 17% of the original size.

Requests Now

115

After Optimization

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Express Kniga. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 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 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

<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

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Express-kniga.de 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 Express-kniga.de 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

express-kniga.de

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

Express-kniga.de: КНИГИ (Knigi): Русские Книги, Аудиокниги, Фильмы и Музыка в Германии

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

express-kniga.de

www.express-kniga.de

style.css

all_without_ie.css

logo_new.png

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

express-kniga.de

www.express-kniga.de

style.css

all_without_ie.css

logo_new.png

logo.jpg

top30.gif

sale.gif

new.gif

autors.gif

cart32x32.gif

search.gif

keyboard.gif

search_gross.gif

Book2.png

f1.jpg____200x200.jpg

skobka.gif

jquery.min.js

jquery-migrate-1.1.0.min.js

jquery-ui.min.js

fotorama.css

fotorama.js

kukit.js

express.js

ruskeys.js

scripts.js

jquery-ui.min.css

rss_small.jpg

f1.jpg____100x100.jpg

bookEck1.jpg

bookEck3.jpg

boockEck2.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

f1.jpg____100x100.jpg

lockbox_150x47.gif