3.3 sec in total
348 ms
2.7 sec
255 ms
Welcome to webrex.cz homepage info - get ready to check Web Rex best content right away, or after learning these important things about webrex.cz
Intranetový informační systém NAVICA (ERP), aplikace na míru, tvorba eshopů a www stránek, programování na zakázku, aplikace, poradenství, marketing. Kompletní servis pro Váš nový projekt.
Visit webrex.czWe analyzed Webrex.cz page load time and found that the first response time was 348 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.
webrex.cz performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value3.5 s
64/100
25%
Value5.3 s
58/100
10%
Value190 ms
90/100
30%
Value0.002
100/100
15%
Value9.6 s
29/100
10%
348 ms
377 ms
225 ms
237 ms
237 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 97% of them (56 requests) were addressed to the original Webrex.cz, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Webrex.cz.
Page size can be reduced by 462.5 kB (32%)
1.5 MB
998.5 kB
In fact, the total size of Webrex.cz main page is 1.5 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. 40% of websites need less resources to load. Images take 931.3 kB which makes up the majority of the site volume.
Potential reduce by 17.4 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 17.4 kB or 78% of the original size.
Potential reduce by 63.2 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. Web Rex images are well optimized though.
Potential reduce by 312.2 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 312.2 kB or 74% of the original size.
Potential reduce by 69.6 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. Webrex.cz needs all CSS files to be minified and compressed as it can save up to 69.6 kB or 83% of the original size.
Number of requests can be reduced by 24 (43%)
56
32
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web Rex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
webrex.cz
348 ms
www.webrex.cz
377 ms
fonts.css
225 ms
zaklad2.css
237 ms
sablona.css
237 ms
sablona.css
234 ms
sablona.css
239 ms
sablona.css
310 ms
sablona.css
337 ms
sablona.css
349 ms
sablona.css
351 ms
sablona.css
351 ms
sablona.css
352 ms
jquery-ui-1.8.18.custom.css
610 ms
colorbox.css
451 ms
liteaccordion.css
464 ms
jquery-1.7.1.min.js
814 ms
jquery-ui-1.8.18.custom.min.js
832 ms
jquery.colorbox-min.js
582 ms
jquery.corner.js
563 ms
funkce.js
576 ms
superfish.js
677 ms
superfish.css
691 ms
jquery.cycle.all.js
829 ms
jquery.easing.1.3.js
760 ms
liteaccordion.jquery.js
790 ms
urchin.js
5 ms
inicializace.css
576 ms
podklad_html.png
116 ms
pozadi.png
628 ms
kontakt.gif
117 ms
kontakt_panel.png
117 ms
logo.png
119 ms
home.gif
117 ms
ctverec_podmenu.png
168 ms
1.png
460 ms
2.png
346 ms
3.png
613 ms
4.png
463 ms
5.png
787 ms
6.png
576 ms
7.png
689 ms
8.png
817 ms
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806 ms
10.png
1070 ms
11.png
955 ms
12.png
1034 ms
ikona_tiskovky.png
899 ms
sipka_li_zelena.png
919 ms
ikona_nabidka.png
931 ms
ikona_lide.png
1012 ms
ikona_nase_prace.png
1034 ms
ikona_li_modra.png
1047 ms
ikona_marketing.png
1068 ms
10-let-s-vami.png
1125 ms
paticka.png
1145 ms
__utm.gif
39 ms
overlay.png
1105 ms
webrex.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
webrex.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
Missing source maps for large first-party JavaScript
webrex.cz SEO score
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 Webrex.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 Webrex.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.
webrex.cz
Open Graph description is not detected on the main page of Web Rex. 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: