10 sec in total
1.1 sec
8.4 sec
492 ms
Click here to check amazing Sejkr content. Otherwise, check out these important facts you probably never knew about sejkr.cz
Prodej alkoholu z celého světa. Doručení po Praze do 90 minut, celá ČR do druhého dne.
Visit sejkr.czWe analyzed Sejkr.cz page load time and found that the first response time was 1.1 sec and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
sejkr.cz performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value8.5 s
1/100
25%
Value5.5 s
55/100
10%
Value380 ms
70/100
30%
Value0.012
100/100
15%
Value7.5 s
48/100
10%
1121 ms
809 ms
2058 ms
86 ms
65 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sejkr.cz, 77% (74 requests) were made to Alkohol.cz and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Alkohol.cz.
Page size can be reduced by 762.3 kB (69%)
1.1 MB
339.0 kB
In fact, the total size of Sejkr.cz main page is 1.1 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. Javascripts take 624.4 kB which makes up the majority of the site volume.
Potential reduce by 213.4 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. This page needs HTML code to be minified as it can gain 51.8 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 213.4 kB or 84% of the original size.
Potential reduce by 15.5 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, Sejkr needs image optimization as it can save up to 15.5 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 438.7 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 438.7 kB or 70% of the original size.
Potential reduce by 94.6 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. Sejkr.cz needs all CSS files to be minified and compressed as it can save up to 94.6 kB or 80% of the original size.
Number of requests can be reduced by 44 (51%)
86
42
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sejkr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
sejkr.cz
1121 ms
www.alkohol.cz
809 ms
www.alkohol.cz
2058 ms
css
86 ms
jquery-ui.css
65 ms
cssloader-817456f3545d7b9d9099b4a242520a3f.css
601 ms
jsloader-e1ef1edc7828d61a1eb2d23a2ed871ad.js
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conversion.js
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retargeting.js
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retargeting
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widget_v2.134.js
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sejkr.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
Image elements do not have [alt] attributes
Links do not have a discernible name
sejkr.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
sejkr.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
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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sejkr.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 Sejkr.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.
sejkr.cz
Open Graph description is not detected on the main page of Sejkr. 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: