4.2 sec in total
1 sec
2.9 sec
259 ms
Visit bloc.cz now to see the best up-to-date Bloc content for Czech Republic and also check out these interesting facts you probably never knew about bloc.cz
Online magazín
Visit bloc.czWe analyzed Bloc.cz page load time and found that the first response time was 1 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
bloc.cz performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value7.0 s
6/100
25%
Value10.3 s
8/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value6.3 s
61/100
10%
1047 ms
232 ms
237 ms
229 ms
236 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 88% of them (22 requests) were addressed to the original Bloc.cz, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Webarchiv.cz. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Bloc.cz.
Page size can be reduced by 83.0 kB (73%)
113.7 kB
30.7 kB
In fact, the total size of Bloc.cz main page is 113.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 72.2 kB which makes up the majority of the site volume.
Potential reduce by 16.8 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 16.8 kB or 70% of the original size.
Potential reduce by 52.2 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 52.2 kB or 72% of the original size.
Potential reduce by 14.0 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. Bloc.cz needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 80% of the original size.
Number of requests can be reduced by 11 (46%)
24
13
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bloc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
www.bloc.cz
1047 ms
screen2.css
232 ms
editor.js
237 ms
Cookies.js
229 ms
Collections.js
236 ms
Functions.js
342 ms
PhotoGallery.js
346 ms
ShowHideChildren.js
388 ms
validator.js
387 ms
Xml.js
386 ms
XMLHttpRequest.js
386 ms
custom.js
456 ms
urchin.js
17 ms
google.js
386 ms
webarchiv_certifikat_c.gif
590 ms
Logo.gif
246 ms
send_btn.gif
114 ms
fayn.gif
488 ms
picky_banner_250x250.gif
496 ms
krouzky.gif
246 ms
hl_opak2.gif
124 ms
paticka2.gif
227 ms
250x250_levne_volani_fayn.gif
586 ms
__utm.gif
8 ms
print.css
115 ms
bloc.cz accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
bloc.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
Page has valid source maps
bloc.cz SEO score
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
SK
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bloc.cz can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it does not match the claimed Czech language. Our system also found out that Bloc.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.
bloc.cz
Open Graph description is not detected on the main page of Bloc. 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: