4.7 sec in total
1.6 sec
3 sec
157 ms
Welcome to bonera.cz homepage info - get ready to check BONERA best content for Czech Republic right away, or after learning these important things about bonera.cz
Ofici?ln? str?nky ly?a?sk?ho are?lu a lanov? dr?hy Ramzov? - ?er?ava - ?er?k, Jesen?ky
Visit bonera.czWe analyzed Bonera.cz page load time and found that the first response time was 1.6 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
bonera.cz performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value4.9 s
29/100
25%
Value10.5 s
7/100
10%
Value20 ms
100/100
30%
Value0
100/100
15%
Value5.5 s
70/100
10%
1586 ms
632 ms
516 ms
516 ms
225 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 84% of them (38 requests) were addressed to the original Bonera.cz, 7% (3 requests) were made to Jeseniky.net and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Bonera.cz.
Page size can be reduced by 189.8 kB (21%)
898.8 kB
709.0 kB
In fact, the total size of Bonera.cz main page is 898.8 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. 20% of websites need less resources to load. Images take 656.3 kB which makes up the majority of the site volume.
Potential reduce by 11.3 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 3.0 kB, which is 20% 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 11.3 kB or 75% of the original size.
Potential reduce by 20.8 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. BONERA images are well optimized though.
Potential reduce by 112.1 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 112.1 kB or 65% of the original size.
Potential reduce by 45.6 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. Bonera.cz needs all CSS files to be minified and compressed as it can save up to 45.6 kB or 84% of the original size.
Number of requests can be reduced by 18 (41%)
44
26
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BONERA. 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.
bonera.cz
1586 ms
jquery-1.3.1.js
632 ms
main.css
516 ms
jquery-ui.css
516 ms
jquery.autofill.js
225 ms
jquery.timers.js
317 ms
jquery-ui-1.7.2.custom.min.js
610 ms
index.css
339 ms
dc.js
52 ms
wn_4.jpg
687 ms
count.asp
214 ms
dot.asp
215 ms
wn_77.jpg
658 ms
wn_5.jpg
633 ms
center.png
101 ms
bottom_all.png
111 ms
header.png
109 ms
boneralogomini.gif
110 ms
5starmini.jpg
140 ms
pozadi2.jpg
542 ms
pozadi3.jpg
542 ms
pozadi1.jpg
655 ms
sitour-book.gif
229 ms
shadow.png
229 ms
pozadi1_small.jpg
442 ms
pozadi2_small.jpg
333 ms
pozadi3_small.jpg
446 ms
facebook.png
455 ms
statusBar.png
550 ms
pl.gif
550 ms
statusBarLeft.png
551 ms
statusBarRight.png
653 ms
tm.png
652 ms
bm.png
651 ms
ml.png
650 ms
mr.png
650 ms
tl.png
756 ms
tr.png
760 ms
bl.png
759 ms
br.png
750 ms
mi_7.gif
760 ms
snih.gif
760 ms
sjezdovky.gif
889 ms
info.jpg
890 ms
__utm.gif
12 ms
bonera.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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
bonera.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
bonera.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
N/A
N/A
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bonera.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 Bonera.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
bonera.cz
Open Graph description is not detected on the main page of BONERA. 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: