5.4 sec in total
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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.czWe analyzed Online-knihy.cz page load time and found that the first response time was 951 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
online-knihy.cz performance score
951 ms
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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.
Page size can be reduced by 282.7 kB (42%)
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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.
Potential reduce by 40.7 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.
Potential reduce by 14.0 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.
Potential reduce by 182.3 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.
Potential reduce by 45.8 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.
Number of requests can be reduced by 16 (28%)
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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.
www.online-knihy.cz
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online-knihy.cz SEO score
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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.
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: