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Visit student.delta-studenti.cz now to see the best up-to-date Student DELTA Studenti content for Czech Republic and also check out these interesting facts you probably never knew about student.delta-studenti.cz
Střední škola informatiky a ekonomie Pardubice DELTAe-learning Střední školy DELTAwww.DELTA-skola.cze-learningový server školy: DELTA - Střední škola informatiky a ekonomie, PardubiceVisit student.delta-studenti.cz
We analyzed Student.delta-studenti.cz page load time and found that the first response time was 863 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
student.delta-studenti.cz performance score
Our browser made a total of 21 requests to load all elements on the main page. We found that 95% of them (20 requests) were addressed to the original Student.delta-studenti.cz, 5% (1 request) were made to Stredniskoly.cz. The less responsive or slowest element that took the longest time to load (863 ms) belongs to the original domain Student.delta-studenti.cz.
Page size can be reduced by 269.3 kB (66%)
Potential reduce by 44.7 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 44.7 kB or 83% of the original size.
Potential reduce by 2.8 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. Student DELTA Studenti images are well optimized though.
Potential reduce by 218.8 kB
Potential reduce by 3.0 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. Student.delta-studenti.cz needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 73% of the original size.
Number of requests can be reduced by 9 (45%)
student.delta-studenti.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
List items (<li>) are not contained within <ul> or <ol> parent elements.
student.delta-studenti.cz best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
student.delta-studenti.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Page is blocked from indexing
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 doesn't use legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Student.delta-studenti.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 Student.delta-studenti.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 Student DELTA Studenti. 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: