20.9 sec in total
2.3 sec
18.1 sec
528 ms
Welcome to extranotebook.cnews.cz homepage info - get ready to check Extranotebook Cnews best content for Czech Republic right away, or after learning these important things about extranotebook.cnews.cz
Píšeme o technologiích a internetu.
Visit extranotebook.cnews.czWe analyzed Extranotebook.cnews.cz page load time and found that the first response time was 2.3 sec and then it took 18.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
extranotebook.cnews.cz performance score
name
value
score
weighting
Value7.6 s
0/100
10%
Value12.2 s
0/100
25%
Value15.3 s
1/100
10%
Value3,570 ms
1/100
30%
Value0.131
81/100
15%
Value35.7 s
0/100
10%
2307 ms
231 ms
234 ms
239 ms
235 ms
Our browser made a total of 238 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Extranotebook.cnews.cz, 5% (12 requests) were made to C.imedia.cz and 4% (10 requests) were made to H.imedia.cz. The less responsive or slowest element that took the longest time to load (13.1 sec) relates to the external source Apis.google.com.
Page size can be reduced by 1.1 MB (50%)
2.3 MB
1.2 MB
In fact, the total size of Extranotebook.cnews.cz main page is 2.3 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. 70% of websites need less resources to load. Images take 966.7 kB which makes up the majority of the site volume.
Potential reduce by 197.0 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 197.0 kB or 84% of the original size.
Potential reduce by 151.1 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, Extranotebook Cnews needs image optimization as it can save up to 151.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 574.8 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 574.8 kB or 69% of the original size.
Potential reduce by 226.9 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. Extranotebook.cnews.cz needs all CSS files to be minified and compressed as it can save up to 226.9 kB or 84% of the original size.
Number of requests can be reduced by 129 (56%)
229
100
The browser has sent 229 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Extranotebook Cnews. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 68 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.
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extranotebook.cnews.cz accessibility score
ARIA
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.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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.
Impact
Issue
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
extranotebook.cnews.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
Missing source maps for large first-party JavaScript
extranotebook.cnews.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Mobile Friendly
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/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Extranotebook.cnews.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 Extranotebook.cnews.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.
extranotebook.cnews.cz
Open Graph description is not detected on the main page of Extranotebook Cnews. 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: