2.8 sec in total
512 ms
2.1 sec
268 ms
Welcome to domacialarm.cz homepage info - get ready to check Domaci Alarm best content right away, or after learning these important things about domacialarm.cz
Drátové i bezdrátové elektronické zabezpečení domů, bytů a chat. Praha, Pardubice a kraj Vysočina. Instalujeme systémy Jablotron JA-100, JA-80 OASiS a AZOR.
Visit domacialarm.czWe analyzed Domacialarm.cz page load time and found that the first response time was 512 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
domacialarm.cz performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value8.3 s
2/100
25%
Value5.9 s
48/100
10%
Value210 ms
89/100
30%
Value0.003
100/100
15%
Value7.9 s
43/100
10%
512 ms
275 ms
295 ms
394 ms
273 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 73% of them (44 requests) were addressed to the original Domacialarm.cz, 13% (8 requests) were made to App.livechatoo.com and 3% (2 requests) were made to Nejremeslnici.cz. The less responsive or slowest element that took the longest time to load (691 ms) belongs to the original domain Domacialarm.cz.
Page size can be reduced by 221.5 kB (37%)
606.3 kB
384.8 kB
In fact, the total size of Domacialarm.cz main page is 606.3 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. 40% of websites need less resources to load. Images take 342.5 kB which makes up the majority of the site volume.
Potential reduce by 21.0 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 21.0 kB or 76% of the original size.
Potential reduce by 55.9 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, Domaci Alarm needs image optimization as it can save up to 55.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 112.6 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 112.6 kB or 57% of the original size.
Potential reduce by 31.9 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. Domacialarm.cz needs all CSS files to be minified and compressed as it can save up to 31.9 kB or 81% of the original size.
Number of requests can be reduced by 32 (54%)
59
27
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Domaci Alarm. 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 from 8 to 1 for CSS and as a result speed up the page load time.
domacialarm.cz
512 ms
mootools.js
275 ms
caption.js
295 ms
jquery.js
394 ms
shadowbox-jquery.js
273 ms
shadowbox.js
267 ms
system.css
282 ms
general.css
411 ms
template_css.css
421 ms
nav.css
429 ms
style1.css
428 ms
j15.css
427 ms
nere_widget.js
623 ms
skin.css
139 ms
skin.js
137 ms
shadowbox-cs.js
151 ms
shadowbox-img.js
159 ms
shadowbox-iframe.js
161 ms
shadowbox-html.js
163 ms
web.min.js
327 ms
bg.jpg
145 ms
header_pozadi.jpg
529 ms
samoobsluha_cervena.png
138 ms
logo.png
262 ms
navcontainer.png
161 ms
nav_active_r.png
159 ms
nav_norm_r.png
270 ms
mid_left_right.png
271 ms
mid_leftonly.png
282 ms
indent1.png
296 ms
montazni_partner_jablotron.jpg
518 ms
byt.jpg
543 ms
dum.jpg
567 ms
chata.jpg
691 ms
potrebuji_poradit.jpg
447 ms
auto.jpg
581 ms
poradit.jpg
654 ms
servis.jpg
655 ms
mid_wide.png
644 ms
arrowl.png
690 ms
dc.js
32 ms
widget_data.js
269 ms
__utm.gif
12 ms
large_5-cee73a5cbbffe65787cd5ab138eccfcc469603a8c4499cb56b08c92ca60366a2.png
189 ms
large_bottom-867a43891bc002b3a2d79818109a46428b3a03c815a58a3b64f6a715fe54ea73.png
191 ms
cs
135 ms
global.css
108 ms
client-embed.min.js
211 ms
client-embed-cs.min.js
208 ms
ga.js
10 ms
bg_client_logo.png
107 ms
ilu_arw.png
106 ms
ico_status.png
104 ms
__utm.gif
13 ms
loading.gif
165 ms
close.png
163 ms
next.png
161 ms
play.png
161 ms
pause.png
160 ms
previous.png
161 ms
domacialarm.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
Image elements do not have [alt] attributes
Links do not have a discernible name
domacialarm.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
domacialarm.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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Domacialarm.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 Domacialarm.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.
domacialarm.cz
Open Graph description is not detected on the main page of Domaci Alarm. 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: