Access online-knihy.cz. Apache Tomcat/8.5.23

About Website

Welcome to online-knihy.cz homepage info - get ready to check Online Knihy best content right away, or after learning these important things about online-knihy.cz

Internetové knihkupectví se širokou nabídkou knih všech žánrů. Možnost osobního odběru po celé ČR.

Visit online-knihy.cz

www.online-knihy.cz

951 ms

css

25 ms

style.css

457 ms

thickbox.css

303 ms

base.js

1052 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 90% of them (54 requests) were addressed to the original Online-knihy.cz, 5% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Online-knihy.cz.

Content Size

670.1 kB

After Optimization

387.3 kB

In fact, the total size of Online-knihy.cz main page is 670.1 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 298.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 40.7 kB

Original 52.0 kB
After minification 43.2 kB
After compression 11.4 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 8.9 kB, which is 17% 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 40.7 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 14.0 kB

Original 298.5 kB
After minification 284.5 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. Online Knihy images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 182.3 kB

Original 262.7 kB
After minification 224.5 kB
After compression 80.4 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 182.3 kB or 69% of the original size.

CSS Optimization

-81%

Potential reduce by 45.8 kB

Original 56.8 kB
After minification 45.8 kB
After compression 11.0 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. Online-knihy.cz needs all CSS files to be minified and compressed as it can save up to 45.8 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Knihy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Language and Encoding

Language Detected

Language Claimed

Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Online-knihy.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Online-knihy.cz 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

online-knihy.cz

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

Apache Tomcat/8.5.23

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Network Requests Diagram

www.online-knihy.cz

css

style.css

thickbox.css

base.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

SEO Factors

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

Report Summary

Performance

Accessibility

Best Practices

SEO

Apache Tomcat/8.5.23

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Network Requests Diagram

www.online-knihy.cz

css

style.css

thickbox.css

base.js

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

www.online-knihy.cz

css

style.css

thickbox.css

base.js

jquery.validate.js

default.js

jCarouseLite.min.js

jCarouse.js

jquery-ui-1.8.10.custom.css

ga-as.js

ga.js

bgSite.jpg

bgLogo.jpg

bgSearch.jpg

search.jpg

lock-s.png

bgHeaderMenu.jpg

bgImages.png

bgCarousel.jpg

logo-small.png

arrowCarousel.jpg

prazdne-misto.jpg

jeden-musi-z-kola-ven-0124723.jpg

evropska-integrace-bez-iluzi.jpg

myska-333-tipu-a-triku-pro-digitalni-fotografie(3).jpg

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levhart.jpg

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cerna-ovce-facebooku-0138468.jpg

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fifty-shades-freed-2d.jpg

cervenka.jpg

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dot.asp

bgCol2Home.jpg

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