5.9 sec in total
335 ms
5 sec
534 ms
Visit zvuk-svetla.cz now to see the best up-to-date Zvuk Svetla content for Czech Republic and also check out these interesting facts you probably never knew about zvuk-svetla.cz
Najdete u nás hudební nástroje, ozvučení, světelné efekty a vybavení pro DJs. Zboží skladem odesíláme do 1 pracovního dne. Nazvučení / nasvícení akcí.
Visit zvuk-svetla.czWe analyzed Zvuk-svetla.cz page load time and found that the first response time was 335 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zvuk-svetla.cz performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value10.5 s
0/100
25%
Value11.4 s
5/100
10%
Value530 ms
56/100
30%
Value0.086
93/100
15%
Value12.2 s
15/100
10%
335 ms
1011 ms
529 ms
215 ms
217 ms
Our browser made a total of 161 requests to load all elements on the main page. We found that 91% of them (146 requests) were addressed to the original Zvuk-svetla.cz, 4% (6 requests) were made to Fonts.gstatic.com and 2% (3 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Zvuk-svetla.cz.
Page size can be reduced by 887.0 kB (39%)
2.3 MB
1.4 MB
In fact, the total size of Zvuk-svetla.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. 65% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 113.2 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 21.6 kB, which is 17% 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 113.2 kB or 89% of the original size.
Potential reduce by 430.9 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. Obviously, Zvuk Svetla needs image optimization as it can save up to 430.9 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 250.3 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 250.3 kB or 67% of the original size.
Potential reduce by 92.5 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. Zvuk-svetla.cz needs all CSS files to be minified and compressed as it can save up to 92.5 kB or 78% of the original size.
Number of requests can be reduced by 20 (13%)
153
133
The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zvuk Svetla. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
zvuk-svetla.cz
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zvuk-svetla.cz accessibility score
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
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
zvuk-svetla.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
zvuk-svetla.cz SEO score
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zvuk-svetla.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 Zvuk-svetla.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.
zvuk-svetla.cz
Open Graph description is not detected on the main page of Zvuk Svetla. 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: