6.4 sec in total
1.4 sec
4.6 sec
430 ms
Click here to check amazing Zebra Sport content for Czech Republic. Otherwise, check out these important facts you probably never knew about zebrasport.cz
Internetový obchod se vším potřebným pro outdoor. Horolezecké vybavení, spacáky, stany, termopradlo, čelovky, outdoorové oblečení Internetový obchod se vším potřebným pro outdoor.
Visit zebrasport.czWe analyzed Zebrasport.cz page load time and found that the first response time was 1.4 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zebrasport.cz performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value26.6 s
0/100
25%
Value11.5 s
5/100
10%
Value1,100 ms
23/100
30%
Value0.37
29/100
15%
Value7.7 s
45/100
10%
1359 ms
240 ms
246 ms
248 ms
246 ms
Our browser made a total of 115 requests to load all elements on the main page. We found that 86% of them (99 requests) were addressed to the original Zebrasport.cz, 2% (2 requests) were made to C.imedia.cz and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zebrasport.cz.
Page size can be reduced by 431.4 kB (23%)
1.9 MB
1.5 MB
In fact, the total size of Zebrasport.cz main page is 1.9 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. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 192.4 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. 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 192.4 kB or 86% of the original size.
Potential reduce by 41.5 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. Zebra Sport images are well optimized though.
Potential reduce by 79 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 197.5 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. Zebrasport.cz needs all CSS files to be minified and compressed as it can save up to 197.5 kB or 84% of the original size.
Number of requests can be reduced by 52 (46%)
113
61
The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zebra Sport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
www.zebrasport.cz
1359 ms
jquery-ui-1.8.14.custom.css
240 ms
style.css
246 ms
core.css
248 ms
style.css
246 ms
style.css
242 ms
style.css
251 ms
shop.css
361 ms
shop.css
369 ms
shop.css
365 ms
jquery.tooltip.css
372 ms
jquery.fancybox-1.3.4.css
373 ms
jquery.js
494 ms
jquery-ui-1.8.9.custom.min.js
730 ms
jquery.cookie.js
492 ms
jquery.jstree.js
751 ms
i.js
484 ms
jquery.tooltip.js
490 ms
jquery.fancybox-1.3.4.js
605 ms
jquery.unveil.min.js
608 ms
picturefill.min.js
608 ms
ga-organic.js
612 ms
zebrasport.css
345 ms
conversion.js
15 ms
retargeting.js
227 ms
ga.js
14 ms
pozadi.jpg
1366 ms
ZebraSport%20registrace.jpg
483 ms
Zebra%20Sport%20heureka.png
132 ms
Akce,%20vyprodej.jpg
127 ms
Boty.JPG
130 ms
batohy.jpg
126 ms
Obleceni.jpg
360 ms
celovky.jpg
358 ms
Horolezectvi.jpg
357 ms
Vareni.pg.jpg
357 ms
spani.jpg
407 ms
outdoorove%20doplnky.JPG
402 ms
Vybaveni%20na%20snih.jpg
403 ms
Vodacke%20vybaveni.jpg
401 ms
Pracovni%20vybaveni.jpg
521 ms
Vernostni%20system%20banner.jpg
882 ms
tn_22106.jpg
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6_cz.png
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__utm.gif
24 ms
all.js
15 ms
57 ms
344 ms
map.png
1003 ms
menu_back.png
1004 ms
menu_li.png
1015 ms
retargeting
226 ms
xd_arbiter.php
129 ms
xd_arbiter.php
230 ms
cz.png
1013 ms
249 ms
dot.asp
652 ms
sunlight-stats.js
860 ms
sk.png
891 ms
cart.png
894 ms
login.png
903 ms
login_login.png
864 ms
login_pass.png
934 ms
login_button.png
964 ms
search.png
965 ms
like.php
135 ms
search_button.png
905 ms
tree_header.png
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tree_back.png
935 ms
select_back.png
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h5Lp5Et_eC4.js
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LVx-xkvaJ0b.png
20 ms
fb_header.png
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fb_body.png
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tree_li.png
859 ms
mail.png
863 ms
phone.png
852 ms
top.png
840 ms
center.png
840 ms
subcat_top.png
839 ms
bottom.png
777 ms
koupit.png
750 ms
detail.png
812 ms
iconHome.png
834 ms
iconContact.png
833 ms
iconTime.png
760 ms
iconTruck.png
743 ms
facebook.png
744 ms
specialista.png
805 ms
doprava.png
828 ms
darek.png
756 ms
baliky.png
725 ms
prodejna.png
738 ms
zamek.png
734 ms
zebra.png
797 ms
logo_sun.png
725 ms
tree_list_icon.png
722 ms
zebrasport.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
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
Heading elements are not in a sequentially-descending order
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 valid value for its [lang] attribute.
zebrasport.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
Page has valid source maps
zebrasport.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 doesn't use legible font sizes
Tap targets are not sized appropriately
CS
CZ
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zebrasport.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Zebrasport.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.
zebrasport.cz
Open Graph description is not detected on the main page of Zebra Sport. 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: