3.4 sec in total
384 ms
2.8 sec
223 ms
Click here to check amazing ALU SV content. Otherwise, check out these important facts you probably never knew about alu-sv.sk
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Visit alu-sv.skWe analyzed Alu-sv.sk page load time and found that the first response time was 384 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
alu-sv.sk performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value5.1 s
24/100
25%
Value5.2 s
60/100
10%
Value50 ms
100/100
30%
Value0.804
5/100
15%
Value4.8 s
78/100
10%
384 ms
189 ms
107 ms
390 ms
202 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Alu-sv.sk, 94% (59 requests) were made to Alu-sv.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (929 ms) relates to the external source H.waudit.cz.
Page size can be reduced by 79.8 kB (43%)
186.3 kB
106.5 kB
In fact, the total size of Alu-sv.sk main page is 186.3 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. 20% of websites need less resources to load. Images take 76.2 kB which makes up the majority of the site volume.
Potential reduce by 15.8 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 4.5 kB, which is 22% 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 15.8 kB or 78% of the original size.
Potential reduce by 4.1 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. ALU SV images are well optimized though.
Potential reduce by 20.3 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 20.3 kB or 46% of the original size.
Potential reduce by 39.5 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. Alu-sv.sk needs all CSS files to be minified and compressed as it can save up to 39.5 kB or 87% of the original size.
Number of requests can be reduced by 33 (54%)
61
28
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALU SV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
alu-sv.sk
384 ms
189 ms
alu-sv.css
107 ms
common.js
390 ms
alu-sv.js
202 ms
alu-sv.css
314 ms
body.gif
106 ms
home_head.gif
99 ms
h1.gif
200 ms
cs.gif
196 ms
sk.gif
200 ms
pl.gif
203 ms
en.gif
208 ms
fr.gif
210 ms
de.gif
291 ms
l1.gif
297 ms
nav_ul.gif
298 ms
l3.gif
301 ms
l2.gif
311 ms
l4.gif
313 ms
l5.gif
387 ms
l6.gif
396 ms
home_motto.jpg
792 ms
home_middle.gif
401 ms
div_body.gif
414 ms
bodynav_ul.gif
416 ms
bl1a.gif
482 ms
bodynav_ul_ul.gif
493 ms
hg13.gif
500 ms
bodynav_ul_ul_a.gif
518 ms
bl2.gif
519 ms
bl3.gif
578 ms
h2_hot.gif
591 ms
1008-aluminum-rear-portal-al-eco.gif
601 ms
hot_a.gif
621 ms
1006-new-floor-profiles.gif
622 ms
1005-new-strainer.gif
674 ms
archive.gif
689 ms
h2_news.gif
701 ms
983-order-form-for-door-alu-.gif
723 ms
979-aluminum-frame-connectors.gif
725 ms
dg13.gif
746 ms
h.php
929 ms
ga.js
5 ms
__utm.gif
11 ms
basket.gif
701 ms
h2_basket.gif
707 ms
login.gif
644 ms
h2_login.gif
643 ms
login_li.gif
678 ms
login.gif
694 ms
search.gif
691 ms
banner_nove-zbozi_en.gif
802 ms
banner_napoveda_en.gif
652 ms
home.gif
648 ms
sitemap.gif
676 ms
search.gif
692 ms
h2_search.gif
685 ms
foot.jpg
733 ms
copy.gif
661 ms
epublisher.gif
672 ms
button_background.png
691 ms
alu-sv-print.css
107 ms
alu-sv.sk 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
Form elements do not have associated labels
Links do not have a discernible name
alu-sv.sk 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
alu-sv.sk SEO score
EN
EN
ISO-8859-2
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alu-sv.sk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Alu-sv.sk main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
alu-sv.sk
Open Graph description is not detected on the main page of ALU SV. 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: