67.4 sec in total
376 ms
53.7 sec
13.3 sec
Click here to check amazing Seznam content for Czech Republic. Otherwise, check out these important facts you probably never knew about seznam.cz
Nejnavštěvovanější český internetový portál nabízející vyhledávač, e-mail, aktuální zprávy, předpověď počasí a odkazy, které se mohou hodit.
Visit seznam.czWe analyzed Seznam.cz page load time and found that the first response time was 376 ms and then it took 67 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
seznam.cz performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value3.3 s
69/100
25%
Value18.4 s
0/100
10%
Value12,600 ms
0/100
30%
Value0.123
83/100
15%
Value25.7 s
0/100
10%
376 ms
1055 ms
928 ms
3784 ms
3600 ms
Our browser made a total of 178 requests to load all elements on the main page. We found that 4% of them (8 requests) were addressed to the original Seznam.cz, 35% (62 requests) were made to D32-a.sdn.cz and 7% (13 requests) were made to I.imedia.cz. The less responsive or slowest element that took the longest time to load (27.3 sec) relates to the external source Geo.seznam.cz.
Page size can be reduced by 614.1 kB (61%)
1.0 MB
400.3 kB
In fact, the total size of Seznam.cz main page is 1.0 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. 60% of websites need less resources to load. HTML takes 409.9 kB which makes up the majority of the site volume.
Potential reduce by 336.9 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 336.9 kB or 82% of the original size.
Potential reduce by 964 B
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. Seznam images are well optimized though.
Potential reduce by 40.0 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 40.0 kB or 63% of the original size.
Potential reduce by 236.3 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. Seznam.cz needs all CSS files to be minified and compressed as it can save up to 236.3 kB or 86% of the original size.
Number of requests can be reduced by 54 (37%)
147
93
The browser has sent 147 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seznam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
seznam.cz
376 ms
www.seznam.cz
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seznam.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
seznam.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
seznam.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Seznam.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 Seznam.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.
seznam.cz
Open Graph description is not detected on the main page of Seznam. 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: