4.3 sec in total
1.5 sec
2.6 sec
188 ms
Click here to check amazing B 2 Bcentrum content. Otherwise, check out these important facts you probably never knew about b2bcentrum.cz
Novinky Plavky 2023 Už nyní pro Vás máme nabídku plavek 2023 . Těšit se můžete na dámské plavky. U nás naleznete jak tolik
Visit b2bcentrum.czWe analyzed B2bcentrum.cz page load time and found that the first response time was 1.5 sec and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
b2bcentrum.cz performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value8.1 s
2/100
25%
Value9.2 s
13/100
10%
Value230 ms
87/100
30%
Value0.048
99/100
15%
Value9.2 s
32/100
10%
1456 ms
111 ms
327 ms
220 ms
219 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 64% of them (36 requests) were addressed to the original B2bcentrum.cz, 14% (8 requests) were made to Apis.google.com and 5% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain B2bcentrum.cz.
Page size can be reduced by 550.5 kB (67%)
825.3 kB
274.8 kB
In fact, the total size of B2bcentrum.cz main page is 825.3 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 680.3 kB which makes up the majority of the site volume.
Potential reduce by 15.9 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. This page needs HTML code to be minified as it can gain 2.3 kB, which is 11% 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 15.9 kB or 76% of the original size.
Potential reduce by 21.4 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, B 2 Bcentrum needs image optimization as it can save up to 21.4 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 495.8 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 495.8 kB or 73% of the original size.
Potential reduce by 17.4 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. B2bcentrum.cz needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 84% of the original size.
Number of requests can be reduced by 33 (61%)
54
21
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B 2 Bcentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
b2bcentrum.cz
1456 ms
mod_jflanguageselection.css
111 ms
mootools.js
327 ms
caption.js
220 ms
fonts.css
219 ms
style.css
218 ms
traymenu.css
221 ms
traymenu.js
221 ms
jquari.js
439 ms
cufon-yui.js
337 ms
PF_Handbook_Pro_400.font.js
687 ms
AC_RunActiveContent.js
337 ms
jquery.js
458 ms
fade-plugin.js
430 ms
urchin.js
25 ms
widgets.js
4 ms
plusone.js
58 ms
body-bg.jpg
119 ms
container-bg.jpg
119 ms
logo.png
227 ms
cs.gif
119 ms
en.gif
124 ms
menu-bg-gray.png
120 ms
blue-dot.jpg
221 ms
main-box-bottom.jpg
226 ms
main-box-mid.jpg
226 ms
main-box-top.jpg
226 ms
angale-box-bottom.png
228 ms
banner2.jpg
322 ms
transparent-bg.png
335 ms
gem-logo-bile.png
334 ms
softender-logo-bile.png
331 ms
logo-softrade-200-44.png
330 ms
denik.png
337 ms
wave.png
429 ms
contact-pad.png
437 ms
newscase.png
437 ms
__utm.gif
17 ms
cb=gapi.loaded_0
33 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
41 ms
cb=gapi.loaded_1
23 ms
fastbutton
87 ms
designed-by.png
363 ms
slideshow-hov.png
363 ms
postmessageRelay
38 ms
like.php
167 ms
tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en-gb.html
13 ms
3193398744-postmessagerelay.js
48 ms
rpc:shindig_random.js
31 ms
cb=gapi.loaded_0
12 ms
cb=gapi.loaded_1
14 ms
xZQOmYg4x3YaWkTJi1kErvesZW2xOQ-xsNqO47m55DA.woff
70 ms
cb=gapi.loaded_0
6 ms
jot
83 ms
qeKvIRsJabD.js
139 ms
LVx-xkvaJ0b.png
156 ms
b2bcentrum.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
Document doesn't have a <title> element
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
b2bcentrum.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
Page has valid source maps
b2bcentrum.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
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
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise B2bcentrum.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that B2bcentrum.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.
b2bcentrum.cz
Open Graph description is not detected on the main page of B 2 Bcentrum. 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: