3.5 sec in total
1 sec
2.3 sec
197 ms
Click here to check amazing Alunet content for Czech Republic. Otherwise, check out these important facts you probably never knew about alunet.cz
Hliníkové profily, hliníkové chladiče, hliníkové plechy, hliníkový výstavnický systém, hliníkový systém zastřešení, výkresové hliníkové profily. Vše na míru jen na www.alunet.cz
Visit alunet.czWe analyzed Alunet.cz page load time and found that the first response time was 1 sec and then it took 2.5 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.
alunet.cz performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value4.9 s
28/100
25%
Value5.0 s
64/100
10%
Value530 ms
55/100
30%
Value0.093
91/100
15%
Value8.6 s
37/100
10%
1042 ms
125 ms
217 ms
219 ms
247 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 93% of them (51 requests) were addressed to the original Alunet.cz, 7% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Alunet.cz.
Page size can be reduced by 376.0 kB (70%)
537.8 kB
161.8 kB
In fact, the total size of Alunet.cz main page is 537.8 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. Javascripts take 341.2 kB which makes up the majority of the site volume.
Potential reduce by 24.1 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 24.1 kB or 77% of the original size.
Potential reduce by 12.3 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, Alunet needs image optimization as it can save up to 12.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 258.2 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 258.2 kB or 76% of the original size.
Potential reduce by 81.5 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. Alunet.cz needs all CSS files to be minified and compressed as it can save up to 81.5 kB or 83% of the original size.
Number of requests can be reduced by 34 (64%)
53
19
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alunet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
alunet.cz
1042 ms
html5reset-1.4.1.css
125 ms
ui.slider.css
217 ms
grid.css
219 ms
global.css
247 ms
project.css
221 ms
modify.css
223 ms
jquery.fancybox-1.3.1.css
267 ms
jquery.infinite-carousel.css
322 ms
google.css
324 ms
datepicker.css
338 ms
jquery.ui.stars.css
328 ms
debug.css
351 ms
jquery-1.4.2.min.js
488 ms
picnet.table.filter.min.js
428 ms
slider.js
433 ms
ui.core.js
457 ms
ui.slider.js
457 ms
dialogs.js
458 ms
jqEffect.quicksearch.js
536 ms
jqEffect.quicksearch.big.js
540 ms
jquery.infinite-carousel.js
565 ms
jquery.fancybox-1.3.1.pack.js
567 ms
yetii-min.js
578 ms
ui.stars.min.js
592 ms
datepicker.js
657 ms
jquery.tinycarousel.js
648 ms
jquery.columnhover.pack.js
673 ms
jquery.ba-hashchange.js
677 ms
top-bg.png
117 ms
logo-alunet.png
115 ms
hlinikove_profily_big.png
120 ms
chladice_big.png
118 ms
vystavnictvi_big.png
120 ms
zastreseni_big.png
121 ms
fotovoltaika_big.png
235 ms
vykresove_big.png
223 ms
plechy_big.png
227 ms
alucad-logo.png
228 ms
arrow-right-1.png
218 ms
basket-info-bg.png
217 ms
search-bg.png
320 ms
menu-states-bg.png
315 ms
arrow-bottom-1.png
316 ms
container-shell-bg.png
317 ms
alucad-panel-bg.png
423 ms
alucad-ext.png
319 ms
siteindex-bg.png
418 ms
arrow-up-1.png
420 ms
analytics.js
20 ms
ajax-loader.gif
399 ms
linkid.js
9 ms
ecommerce.js
17 ms
collect
25 ms
print.css
109 ms
alunet.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
Links do not have a discernible 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
alunet.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
Page has valid source maps
alunet.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
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alunet.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 Alunet.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.
alunet.cz
Open Graph description is not detected on the main page of Alunet. 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: