3.6 sec in total
643 ms
2.4 sec
472 ms
Welcome to jabra.cz homepage info - get ready to check Jabra best content for Czech Republic right away, or after learning these important things about jabra.cz
Headsets for office & call center with noise cancellation and superior sound - Bluetooth headsets and speakers - Wireless sport headphones - True wireless earbuds
Visit jabra.czWe analyzed Jabra.cz page load time and found that the first response time was 643 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
jabra.cz performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value12.0 s
0/100
25%
Value12.2 s
3/100
10%
Value8,580 ms
0/100
30%
Value0.385
27/100
15%
Value32.2 s
0/100
10%
643 ms
23 ms
284 ms
37 ms
43 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 50% of them (27 requests) were addressed to the original Jabra.cz, 11% (6 requests) were made to Google-analytics.com and 7% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (905 ms) belongs to the original domain Jabra.cz.
Page size can be reduced by 194.7 kB (18%)
1.1 MB
917.2 kB
In fact, the total size of Jabra.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. Images take 815.9 kB which makes up the majority of the site volume.
Potential reduce by 140.7 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 19.4 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 140.7 kB or 83% of the original size.
Potential reduce by 12.1 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. Jabra images are well optimized though.
Potential reduce by 33.7 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 33.7 kB or 29% of the original size.
Potential reduce by 8.3 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. Jabra.cz needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 80% of the original size.
Number of requests can be reduced by 22 (54%)
41
19
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jabra. 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 as a result speed up the page load time.
www.jabra.cz
643 ms
css
23 ms
jbr-content-css.css
284 ms
wffm
37 ms
js
43 ms
gtm.js
102 ms
head.js
100 ms
icon-connect-device.png
170 ms
icon-compatibilty-guide.png
170 ms
icon-product-support.png
171 ms
EAF31BECF8364FACBC5F93E24F1C3ED0.ashx
73 ms
737FC27244E543B58AA4781524FA27AA.jpeg
420 ms
8D49D58D8C744784A06F847FCD73AC0F.ashx
345 ms
0BE5B4C3004942BAB17A39E9703F0372.ashx
345 ms
F092D2FE37B94C858A0E6C1D50330E55.jpg
345 ms
F89FFBB42C2D49B89B28BC23F8690B2F.ashx
347 ms
3796B801E4264CAB811685B86EEA8F6B.jpg
416 ms
CF6ECA79CF73450A8ABE18B806A48521.ashx
419 ms
4499A8AFF6AA46189C453F4EFACD5610.ashx
418 ms
42354C62ADD24570834E4D1DD54436F9.ashx
417 ms
FF347A0E735A45B9B4FAD5E8CE4EF152.ashx
905 ms
DaxWebPro-Medi.woff
561 ms
DaxWebPro.woff
504 ms
jbr-system.woff
520 ms
head.js
240 ms
daxwide-bold-webfont.woff
410 ms
daxwide-regular-webfont.woff
389 ms
DaxWide-Medium.woff
459 ms
analytics.js
210 ms
conversion_async.js
210 ms
conversion.js
201 ms
fbevents.js
274 ms
ytc.js
271 ms
IsAuthenticated
384 ms
ajax-loader.gif
184 ms
reviews.js
252 ms
ec.js
42 ms
collect
108 ms
75 ms
134 ms
collect
43 ms
collect
42 ms
collect
20 ms
collect
38 ms
collect
80 ms
collect
59 ms
53 ms
35 ms
ga-audiences
23 ms
ga-audiences
24 ms
nr-885.min.js
21 ms
roundtrip.js
9 ms
7a6e3d7b65
54 ms
BO3BNNPQINFBRGS23ZL47C.js
239 ms
jabra.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
jabra.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
jabra.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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jabra.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Jabra.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.
jabra.cz
Open Graph data is detected on the main page of Jabra. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: