2.3 sec in total
149 ms
1.9 sec
175 ms
Click here to check amazing Amazon content. Otherwise, check out these important facts you probably never knew about amazon.cz
Visit amazon.czWe analyzed Amazon.cz page load time and found that the first response time was 149 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
amazon.cz performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value4.0 s
49/100
25%
Value4.5 s
72/100
10%
Value230 ms
86/100
30%
Value0.114
86/100
15%
Value7.6 s
46/100
10%
149 ms
277 ms
391 ms
57 ms
101 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Amazon.cz, 53% (23 requests) were made to M.media-amazon.com and 14% (6 requests) were made to Amazon.de. The less responsive or slowest element that took the longest time to load (391 ms) relates to the external source Amazon.de.
Page size can be reduced by 1.3 MB (71%)
1.9 MB
564.2 kB
In fact, the total size of Amazon.cz main page is 1.9 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. HTML takes 1.4 MB which makes up the majority of the site volume.
Potential reduce by 1.3 MB
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 1.3 MB or 90% of the original size.
Potential reduce by 46.0 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. Obviously, Amazon needs image optimization as it can save up to 46.0 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 7.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 120 B
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. Amazon.cz has all CSS files already compressed.
Number of requests can be reduced by 14 (44%)
32
18
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amazon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
amazon.cz
149 ms
amazon.cz
277 ms
edit
391 ms
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amazon.cz accessibility score
Names and labels
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.
Impact
Issue
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
amazon.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
amazon.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
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/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Amazon.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Amazon.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.
amazon.cz
Open Graph description is not detected on the main page of Amazon. 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: