4 sec in total
510 ms
3.3 sec
215 ms
Click here to check amazing Raab content for Russia. Otherwise, check out these important facts you probably never knew about raab.cz
RAAB Computer - stabilní, rychlé a cenově výhodné připojení k internetu s televizí a voláním.
Visit raab.czWe analyzed Raab.cz page load time and found that the first response time was 510 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
raab.cz performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value11.3 s
0/100
25%
Value6.7 s
35/100
10%
Value80 ms
99/100
30%
Value0
100/100
15%
Value8.7 s
36/100
10%
510 ms
767 ms
294 ms
262 ms
262 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 97% of them (64 requests) were addressed to the original Raab.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 Raab.cz.
Page size can be reduced by 254.1 kB (38%)
660.9 kB
406.8 kB
In fact, the total size of Raab.cz main page is 660.9 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. 35% of websites need less resources to load. Images take 484.5 kB which makes up the majority of the site volume.
Potential reduce by 30.5 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. This page needs HTML code to be minified as it can gain 15.4 kB, which is 42% 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 30.5 kB or 83% of the original size.
Potential reduce by 134.0 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, Raab needs image optimization as it can save up to 134.0 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 64.8 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 64.8 kB or 58% of the original size.
Potential reduce by 24.8 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. Raab.cz needs all CSS files to be minified and compressed as it can save up to 24.8 kB or 85% of the original size.
Number of requests can be reduced by 11 (17%)
64
53
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Raab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
raab.cz
510 ms
www.raab.cz
767 ms
screen.css
294 ms
menu_zalozky.css
262 ms
menu_roll.css
262 ms
jquery-1.4.min.js
533 ms
bookmarkscroll.js
275 ms
loopedslider.js
279 ms
slideshow_bannery.js
385 ms
obrazky_okno.js
409 ms
ga.js
28 ms
background_back_default.png
138 ms
logo_raab.png
141 ms
dynamic_slideshow_internet_2.png
408 ms
dynamic_slideshow_satelity_3.png
416 ms
glider_control.png
175 ms
left.png
155 ms
menu_background_pc.png
263 ms
menu_background_internet.png
289 ms
menu_background_sat.png
290 ms
menu_background_www.png
318 ms
menu_background_host.png
419 ms
menu_background_rozvody.png
415 ms
menu_background_voip.png
425 ms
menu_background_telefony.png
443 ms
menu_background_ustredny.png
531 ms
menu_background_zvuk.png
538 ms
menu_background_elektrovyroba.png
541 ms
menu_background_kamery.png
567 ms
menu_background_zabezpecovacky.png
549 ms
menu_background_pristupy.png
581 ms
menu_background_dochazky.png
673 ms
menu_background_pristupy2.png
662 ms
menu_background_hotely.png
678 ms
aktualita_ras.png
696 ms
aktualita_stavba.png
713 ms
aktualita_bitdefender.png
724 ms
aktualita_prace.png
796 ms
aktualita_sat_hd.png
798 ms
aktualita_raabkey.png
928 ms
aktualita_hostovane.png
954 ms
aktualita_weby.png
954 ms
aktualita_iptv.png
977 ms
right_teamweaver.png
960 ms
right_bitdefedner.png
966 ms
nasi_pratele_50.png
1073 ms
nasi_pratele_gomodely.png
1084 ms
__utm.gif
13 ms
nasi_pratele_tymy.png
978 ms
nasi_pratele_gomoto.png
962 ms
nasi_pratele_vcelin.png
961 ms
sponzoring_vilik.png
951 ms
nasi_pratele_stormware.png
966 ms
icon_edit.png
951 ms
middle.png
938 ms
arrow_blue.gif
929 ms
cara.png
838 ms
banner_raabkey.png
1118 ms
banner_satelity.png
1081 ms
right_meteostanice.png
975 ms
right_eshop.png
949 ms
right_pratele.png
953 ms
right_newsletter.png
860 ms
button_odeslat.png
990 ms
arrow_light.gif
994 ms
arrow_dark.gif
1004 ms
raab.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
Image elements do not have [alt] attributes
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.
raab.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
raab.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Raab.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 Raab.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.
raab.cz
Open Graph description is not detected on the main page of Raab. 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: