5 sec in total
975 ms
3.7 sec
339 ms
Click here to check amazing Belisa content. Otherwise, check out these important facts you probably never knew about belisa.cz
Visit belisa.czWe analyzed Belisa.cz page load time and found that the first response time was 975 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
belisa.cz performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value12.2 s
0/100
25%
Value5.3 s
58/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value4.0 s
87/100
10%
975 ms
233 ms
243 ms
25 ms
56 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 88% of them (43 requests) were addressed to the original Belisa.cz, 6% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Belisa.cz.
Page size can be reduced by 340.8 kB (11%)
3.2 MB
2.8 MB
In fact, the total size of Belisa.cz main page is 3.2 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. Images take 3.0 MB which makes up the majority of the site volume.
Potential reduce by 10.4 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 10.4 kB or 66% of the original size.
Potential reduce by 231.2 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. Belisa images are well optimized though.
Potential reduce by 80.8 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 80.8 kB or 54% of the original size.
Potential reduce by 18.5 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. Belisa.cz needs all CSS files to be minified and compressed as it can save up to 18.5 kB or 77% of the original size.
Number of requests can be reduced by 4 (9%)
45
41
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Belisa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
belisa.cz
975 ms
web.15.css
233 ms
app.1.js
243 ms
css
25 ms
jquery.min.js
56 ms
web.1.js
255 ms
56.jpg
778 ms
55.jpg
781 ms
52.jpg
670 ms
49.jpg
786 ms
48.jpg
554 ms
47.jpg
673 ms
46.jpg
907 ms
45.jpg
1020 ms
44.jpg
1032 ms
53.jpg
1006 ms
54.jpg
1127 ms
43.jpg
1021 ms
42.jpg
1142 ms
36.jpg
1238 ms
34.jpg
1137 ms
33.jpg
1257 ms
32.jpg
1266 ms
30.jpg
1247 ms
29.jpg
1255 ms
28.jpg
1374 ms
27.jpg
1476 ms
25.jpg
1363 ms
21.jpg
1372 ms
19.jpg
1373 ms
15.jpg
1499 ms
header.jpg
117 ms
poptavka.png
234 ms
service-r.png
235 ms
work-r.png
233 ms
contact-r.png
237 ms
poptavka-r.png
237 ms
home-l.png
348 ms
service-l.png
348 ms
work-l.png
344 ms
contact-l.png
347 ms
poptavka-l.png
347 ms
5M21SdFLkD52QavfmHs6cA.ttf
39 ms
Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf
40 ms
97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf
39 ms
jquery.min.js
11 ms
web.1.js
390 ms
home.jpg
697 ms
work.jpg
928 ms
belisa.cz accessibility score
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
belisa.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
belisa.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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Belisa.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Belisa.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.
belisa.cz
Open Graph description is not detected on the main page of Belisa. 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: