2.3 sec in total
408 ms
1.7 sec
165 ms
Visit bertura.cz now to see the best up-to-date Bertura content and also check out these interesting facts you probably never knew about bertura.cz
Visit bertura.czWe analyzed Bertura.cz page load time and found that the first response time was 408 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
bertura.cz performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value5.5 s
18/100
25%
Value4.0 s
81/100
10%
Value40 ms
100/100
30%
Value0.003
100/100
15%
Value4.0 s
88/100
10%
408 ms
107 ms
212 ms
216 ms
216 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 95% of them (42 requests) were addressed to the original Bertura.cz, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (832 ms) belongs to the original domain Bertura.cz.
Page size can be reduced by 253.1 kB (42%)
607.7 kB
354.6 kB
In fact, the total size of Bertura.cz main page is 607.7 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. 35% of websites need less resources to load. Images take 277.3 kB which makes up the majority of the site volume.
Potential reduce by 8.2 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. This page needs HTML code to be minified as it can gain 1.4 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.2 kB or 76% of the original size.
Potential reduce by 8.9 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. Bertura images are well optimized though.
Potential reduce by 170.6 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 170.6 kB or 70% of the original size.
Potential reduce by 65.5 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. Bertura.cz needs all CSS files to be minified and compressed as it can save up to 65.5 kB or 85% of the original size.
Number of requests can be reduced by 21 (51%)
41
20
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bertura. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
bertura.cz
408 ms
screen.css
107 ms
additional.css
212 ms
DDSlider.css
216 ms
colorbox.css
216 ms
jquery-1.8.0.min.js
322 ms
jquery.plugins.js
218 ms
js.js
206 ms
jquery.DDSlider.js
309 ms
jquery.easing.1.3.js
310 ms
jquery.price_format.1.7.min.js
315 ms
jquery.colorbox-min.js
316 ms
lang_1.js
316 ms
analytics.js
25 ms
main.jpg
401 ms
header.png
102 ms
logo_bertura.png
111 ms
mainmenu-li.png
104 ms
aktualni-vystavba.png
106 ms
postavili-jsme.png
105 ms
domy.png
203 ms
panel-pale.png
204 ms
icons-h.png
423 ms
highlights-item.png
206 ms
87e7425155f45431adc7a5b806fdfd69.jpg
310 ms
panel-pale-p-more-a.png
302 ms
panel-pale-p-more-a-span-ico.png
306 ms
50ea731588c77700a23add1335553a22.jpg
307 ms
0acd6c2169e7c6725036d15a9f75da8b.jpg
501 ms
panel-pale-shadow.png
406 ms
aktualni-vystavba_hover.png
391 ms
postavili-jsme_hover.png
394 ms
domy_hover.png
482 ms
menu-li.png
490 ms
footer.png
493 ms
overlay.png
495 ms
controls.png
506 ms
border.png
582 ms
loading_background.png
584 ms
loading.gif
591 ms
proximanova-regular-webfont.woff
801 ms
proximanova-bold-webfont.woff
832 ms
collect
11 ms
print.css
103 ms
bertura.cz accessibility score
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
bertura.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
bertura.cz SEO score
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bertura.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 Bertura.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.
bertura.cz
Open Graph description is not detected on the main page of Bertura. 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: