17.7 sec in total
373 ms
16.9 sec
439 ms
Visit kb5.cz now to see the best up-to-date KB5 content for Czech Republic and also check out these interesting facts you probably never knew about kb5.cz
Chceš se hýbat lépe, dostat se do kondice, zesílit? Máš málo času, nějaká ta kila navíc, bolavá záda a nula fyzičku? Pomocí 5 kroků ti pomůžeme zlepšit pohyb, získat zdraví, dobrou postavu, sílu a kon...
Visit kb5.czWe analyzed Kb5.cz page load time and found that the first response time was 373 ms and then it took 17.3 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.
kb5.cz performance score
name
value
score
weighting
Value7.9 s
0/100
10%
Value22.1 s
0/100
25%
Value42.5 s
0/100
10%
Value4,090 ms
1/100
30%
Value0.017
100/100
15%
Value23.1 s
1/100
10%
373 ms
12789 ms
243 ms
269 ms
271 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 90% of them (96 requests) were addressed to the original Kb5.cz, 3% (3 requests) were made to Staticxx.facebook.com and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (12.8 sec) belongs to the original domain Kb5.cz.
Page size can be reduced by 828.9 kB (63%)
1.3 MB
483.0 kB
In fact, the total size of Kb5.cz main page is 1.3 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. 60% of websites need less resources to load. Javascripts take 628.2 kB which makes up the majority of the site volume.
Potential reduce by 79.5 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 79.5 kB or 80% of the original size.
Potential reduce by 132.9 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, KB5 needs image optimization as it can save up to 132.9 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 440.6 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 440.6 kB or 70% of the original size.
Potential reduce by 175.9 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. Kb5.cz needs all CSS files to be minified and compressed as it can save up to 175.9 kB or 83% of the original size.
Number of requests can be reduced by 67 (64%)
104
37
The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KB5. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
kb5.cz
373 ms
www.kb5.cz
12789 ms
wp-emoji-release.min.js
243 ms
widget.css
269 ms
jquery.fancybox.css
271 ms
reset.css
268 ms
style.css
273 ms
styles.css
276 ms
events_manager.css
370 ms
sdm_wp_styles.css
403 ms
social_widget.css
399 ms
polls-css.css
403 ms
pagenavi-css.css
404 ms
shortcodes.css
405 ms
style.css
505 ms
madmenu.css
533 ms
jquery.mmenu.css
534 ms
prettyPhoto.css
536 ms
widget.css
539 ms
responsive.css
538 ms
default.min.css
634 ms
form-themes.min.css
666 ms
rainbow.css
669 ms
custom.css
1955 ms
quiz_shortcode.css
670 ms
jquery.js
809 ms
jquery-migrate.min.js
764 ms
jquery.ck.js
796 ms
jquery.fancybox.js
804 ms
jquery.placeholder.js
800 ms
ninjapopups.js
895 ms
core.min.js
926 ms
widget.min.js
933 ms
position.min.js
935 ms
mouse.min.js
938 ms
sortable.min.js
1029 ms
datepicker.min.js
1059 ms
menu.min.js
967 ms
autocomplete.min.js
833 ms
resizable.min.js
813 ms
draggable.min.js
903 ms
button.min.js
933 ms
dialog.min.js
930 ms
events-manager.js
933 ms
sdm_wp_scripts.js
840 ms
jquery.sooperfish.js
904 ms
jquery.prettyPhoto.js
934 ms
arthemia.js
1066 ms
js.js
936 ms
jquery.form.js
936 ms
jquery.validate.js
924 ms
jquery.placeholder.min.js
937 ms
itpoverlay.js
936 ms
vqzb_shortcode.js
936 ms
audio-player.js
1024 ms
jquery.form.min.js
1066 ms
scripts.js
967 ms
polls-js.js
935 ms
forms-api.min.js
936 ms
ga.js
54 ms
kettlebell-kb5-logo.png
383 ms
diskuzni-forum-kb5.jpg
262 ms
navbar-wrapper.png
148 ms
loupe.gif
145 ms
kettlebell-kb5-gym1.jpg
146 ms
posilovani-pro-zacatecniky-100x65.jpg
145 ms
kettlebell-kb5-intro-kit-100x65.gif
279 ms
rady-pro-kettlebell-zacatecniky-00-100x65.jpg
280 ms
kettlebells_faq-100x65.jpg
275 ms
prev-vertical.png
279 ms
next-vertical.png
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diag_stripe.gif
406 ms
posilovani-s-velkou-cinkou-pttp.jpg
411 ms
os-reset-jakub-1-80x80.jpg
407 ms
drep-80x80.jpg
409 ms
fridolin-hoyer-04-80x80.jpg
502 ms
5-tipu-od-kb5-80x80.jpg
532 ms
pohybova-silova-kondicni-priprava-pro-bezce-80x80.jpg
536 ms
babysititng-80x80.jpg
537 ms
kb5-skola-sily-serie-videi-posilovani-zdarma-80x80.jpg
538 ms
ondrej-houzvicka-kb5-gym-praha-9-01-80x80.jpg
541 ms
kb5-strongfirst-skola-sily-tsc-80x80.jpg
630 ms
floor-press-posilovani-s-velkou-cinkou-80x80.jpg
661 ms
kettlebell-kb5-intro-kit.jpg
794 ms
facebook.png
664 ms
twitter.png
669 ms
youtube.png
674 ms
foursquare.png
758 ms
rss.png
790 ms
kettlebell-kb5-praha-brno-bratislava-hradec-kralove-kurim-tabor.jpg
924 ms
diskuzni-forum-kb5.png
1183 ms
kettlebell-kb5-shop.jpg
802 ms
kb5-intro-kit-ke-stazeni-zdarma.jpg
887 ms
koupit-kettlebell-kb5.eshop_.jpg
923 ms
kb5-intro-kit.png
1054 ms
__utm.gif
105 ms
sub.png
886 ms
__utm.gif
94 ms
all.js
289 ms
arrows-white.png
877 ms
37 ms
xd_arbiter.php
223 ms
xd_arbiter.php
428 ms
xd_arbiter.php
138 ms
like.php
59 ms
zXs1Qh79i0Z.js
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LVx-xkvaJ0b.png
543 ms
kb5.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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.
kb5.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
kb5.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kb5.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kb5.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.
kb5.cz
Open Graph data is detected on the main page of KB5. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: