3.7 sec in total
605 ms
2.8 sec
249 ms
Click here to check amazing 4SR content for Czech Republic. Otherwise, check out these important facts you probably never knew about 4sr.cz
Český výrobce moto oblečení s velkým výběrem kvalitních motorkářských bund, moto kombinéz, moto kalhot, moto rukavic, kevlar jeans, a doplňků.
Visit 4sr.czWe analyzed 4sr.cz page load time and found that the first response time was 605 ms 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.
4sr.cz performance score
name
value
score
weighting
Value2.5 s
68/100
10%
Value14.1 s
0/100
25%
Value6.7 s
37/100
10%
Value460 ms
62/100
30%
Value0.074
95/100
15%
Value11.7 s
18/100
10%
605 ms
237 ms
453 ms
703 ms
233 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 48% of them (36 requests) were addressed to the original 4sr.cz, 25% (19 requests) were made to Static.xx.fbcdn.net and 15% (11 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain 4sr.cz.
Page size can be reduced by 313.6 kB (54%)
584.9 kB
271.4 kB
In fact, the total size of 4sr.cz main page is 584.9 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. 50% of websites need less resources to load. Javascripts take 340.6 kB which makes up the majority of the site volume.
Potential reduce by 19.1 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 19.1 kB or 74% of the original size.
Potential reduce by 20.6 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, 4SR needs image optimization as it can save up to 20.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 234.8 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 234.8 kB or 69% of the original size.
Potential reduce by 39.1 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. 4sr.cz needs all CSS files to be minified and compressed as it can save up to 39.1 kB or 86% of the original size.
Number of requests can be reduced by 42 (58%)
72
30
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4SR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www.4sr.cz
605 ms
jquery-ui-1.8.7.custom.css
237 ms
jquery-1.4.4.min.js
453 ms
jquery-ui-1.8.7.custom.min.js
703 ms
jquery.mousewheel-3.0.4.pack.js
233 ms
jquery.fancybox-1.3.4.pack.js
350 ms
jquery.fancybox-1.3.4.css
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core.js.php
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core.js
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extend.js
349 ms
cool.gallery.js
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slideShow.js
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t1.tabs.js
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style.php
470 ms
jquery.jqzoom.css
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slideShow.js.php
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plusone.js
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cb=gapi.loaded_0
30 ms
1456414842-2016-kevlar-jeans-protector.jpg
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logo-4sr.gif
170 ms
logo-shadow.png
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225x127-1456911470-4sr-se-ucastni-vystavy-motosalon-2016.jpg
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name-alpha.png
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blank.gif
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225x127-1456319668-4sr-kolekce-textilnich-bund-2016.jpg
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footer-line.png
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paypal.png
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gopay.png
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logo-4sr.gif
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top-line.png
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flags.jpg
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icons.png
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nimbussansnovusdot-bla.woff
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all.js
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ga.js
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messages.js
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presentation.js
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logo-4sr-hover-silver.gif
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__utm.gif
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likebox.php
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4sr.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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
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.
4sr.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
4sr.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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4sr.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 4sr.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.
4sr.cz
Open Graph data is detected on the main page of 4SR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: