5.1 sec in total
513 ms
4 sec
589 ms
Click here to check amazing Ostrava Online content for Benin. Otherwise, check out these important facts you probably never knew about ostrava-online.cz
Nejnovější zprávy z Moravskoslezského kraje, dopravní situace v Ostravě, blogové příspěvky i kulturní programy.
Visit ostrava-online.czWe analyzed Ostrava-online.cz page load time and found that the first response time was 513 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
ostrava-online.cz performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value6.3 s
10/100
25%
Value7.2 s
30/100
10%
Value620 ms
48/100
30%
Value0.039
100/100
15%
Value8.5 s
38/100
10%
513 ms
774 ms
317 ms
320 ms
330 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 73% of them (64 requests) were addressed to the original Ostrava-online.cz, 9% (8 requests) were made to Apis.google.com and 3% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Ostrava-online.cz.
Page size can be reduced by 577.2 kB (51%)
1.1 MB
561.4 kB
In fact, the total size of Ostrava-online.cz main page is 1.1 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. Javascripts take 652.1 kB which makes up the majority of the site volume.
Potential reduce by 62.0 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 62.0 kB or 80% of the original size.
Potential reduce by 9.4 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. Ostrava Online images are well optimized though.
Potential reduce by 442.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 442.4 kB or 68% of the original size.
Potential reduce by 63.4 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. Ostrava-online.cz needs all CSS files to be minified and compressed as it can save up to 63.4 kB or 86% of the original size.
Number of requests can be reduced by 39 (47%)
83
44
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ostrava Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
ostrava-online.cz
513 ms
www.ostrava-online.cz
774 ms
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ostrava-online.cz accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
ostrava-online.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
ostrava-online.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ostrava-online.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 Ostrava-online.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.
ostrava-online.cz
Open Graph description is not detected on the main page of Ostrava Online. 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: