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Welcome to helion.cz homepage info - get ready to check Helion best content right away, or after learning these important things about helion.cz
helion.cz - Specialista na alternativní zdroje energie, Fotovoltaické elektrárny, solární systémy, tepelná čerpadla, větrné elektrárny Trutnov a okolíVisit helion.cz
We analyzed Helion.cz page load time and found that the first response time was 540 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
helion.cz performance score
Our browser made a total of 46 requests to load all elements on the main page. We found that 67% of them (31 requests) were addressed to the original Helion.cz, 13% (6 requests) were made to Api.mapy.cz and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Helion.cz.
Page size can be reduced by 1.1 MB (21%)
In fact, the total size of Helion.cz main page is 5.0 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. 35% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.
Potential reduce by 18.1 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 5.0 kB, which is 21% 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 18.1 kB or 76% of the original size.
Potential reduce by 469.5 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. Obviously, Helion needs image optimization as it can save up to 469.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 489.5 kB
Potential reduce by 76.6 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. Helion.cz needs all CSS files to be minified and compressed as it can save up to 76.6 kB or 85% of the original size.
Number of requests can be reduced by 16 (43%)
helion.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.
Buttons do not have an accessible name
Form elements do not have associated labels
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
helion.cz best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
Page has valid source maps
helion.cz SEO score
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/).
Document uses legible font sizes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Helion.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 Helion.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 data is detected on the main page of Helion. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: