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Welcome to skolaonline.cz homepage info - get ready to check Skolaon Line best content for Czech Republic right away, or after learning these important things about skolaonline.cz
Škola OnLine je moderní školní informační systém, který umožňuje rychle a efektivně zpracovávat veškerou školní agendu při zachování vysokého uživatelského komfortu. Jedná se o webovou aplikaci, což z...Visit skolaonline.cz
We analyzed Skolaonline.cz page load time and found that the first response time was 420 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
skolaonline.cz performance score
Our browser made a total of 41 requests to load all elements on the main page. We found that 90% of them (37 requests) were addressed to the original Skolaonline.cz, 5% (2 requests) were made to Cdnjs.cloudflare.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Skolaonline.cz.
Page size can be reduced by 1.0 MB (62%)
Potential reduce by 17.0 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 17.0 kB or 70% of the original size.
Potential reduce by 7.0 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. Skolaon Line images are well optimized though.
Potential reduce by 836.7 kB
Potential reduce by 148.4 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. Skolaonline.cz needs all CSS files to be minified and compressed as it can save up to 148.4 kB or 88% of the original size.
Number of requests can be reduced by 18 (45%)
skolaonline.cz accessibility score
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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.
Links do not have a discernible name
skolaonline.cz best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
skolaonline.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Skolaonline.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 Skolaonline.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 Skolaon Line. 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: