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We analyzed Demos-trade.cz page load time and found that the first response time was 4 sec and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
demos-trade.cz performance score
Our browser made a total of 110 requests to load all elements on the main page. We found that 83% of them (91 requests) were addressed to the original Demos-trade.cz, 11% (12 requests) were made to Demos.cz and 4% (4 requests) were made to Vyvoj2.d3soft.cz. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Demos-trade.cz.
Page size can be reduced by 304.2 kB (32%)
In fact, the total size of Demos-trade.cz main page is 964.2 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. 45% of websites need less resources to load. Images take 626.4 kB which makes up the majority of the site volume.
Potential reduce by 67.7 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. 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 67.7 kB or 72% of the original size.
Potential reduce by 62.4 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. Demos Trade images are well optimized though.
Potential reduce by 123.2 kB
Potential reduce by 50.9 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. Demos-trade.cz needs all CSS files to be minified and compressed as it can save up to 50.9 kB or 80% of the original size.
Number of requests can be reduced by 39 (40%)
demos-trade.cz accessibility score
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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.
Buttons do not have an accessible name
Links do not have a discernible name
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
demos-trade.cz best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
demos-trade.cz SEO score
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Demos-trade.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Demos-trade.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.
Open Graph description is not detected on the main page of Demos Trade. 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: