7.1 sec in total
1.8 sec
5.1 sec
202 ms
Click here to check amazing Konstrukter content for Czech Republic. Otherwise, check out these important facts you probably never knew about konstrukter.cz
Web o moderních technologiích pro navrhování a vývoj výrobků
Visit konstrukter.czWe analyzed Konstrukter.cz page load time and found that the first response time was 1.8 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
konstrukter.cz performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value10.5 s
0/100
25%
Value11.9 s
4/100
10%
Value480 ms
59/100
30%
Value0.015
100/100
15%
Value10.1 s
26/100
10%
1771 ms
389 ms
196 ms
29 ms
41 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 53% of them (39 requests) were addressed to the original Konstrukter.cz, 10% (7 requests) were made to Tpc.googlesyndication.com and 8% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Konstrukter.cz.
Page size can be reduced by 716.4 kB (60%)
1.2 MB
470.0 kB
In fact, the total size of Konstrukter.cz main page is 1.2 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. 55% of websites need less resources to load. Images take 555.5 kB which makes up the majority of the site volume.
Potential reduce by 35.6 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 7.5 kB, which is 17% 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 35.6 kB or 82% of the original size.
Potential reduce by 323.3 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, Konstrukter needs image optimization as it can save up to 323.3 kB or 58% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 299.6 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 299.6 kB or 58% of the original size.
Potential reduce by 58.0 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. Konstrukter.cz needs all CSS files to be minified and compressed as it can save up to 58.0 kB or 84% of the original size.
Number of requests can be reduced by 42 (65%)
65
23
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Konstrukter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
www.konstrukter.cz
1771 ms
style.css
389 ms
tabber.css
196 ms
css
29 ms
css
41 ms
dropdown.js
196 ms
tabber.js
223 ms
jquery.min.js
33 ms
jquery-1.10.1.min.js
971 ms
batch.css
319 ms
wpp.css
608 ms
styles.css
670 ms
front.css
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ngg_shadow.css
704 ms
swfobject.js
765 ms
batch.js
800 ms
jquery.adrotate.dyngroup.js
858 ms
jquery.adrotate.clicktracker.js
865 ms
jquery.js
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jquery-migrate.min.js
954 ms
front.js
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jquery.lazyload.min.js
1052 ms
scripts.js
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jquery.cycle.all.min.js
1238 ms
ngg.slideshow.min.js
1158 ms
slimbox.css
1195 ms
mootools.x.js
1436 ms
slimbox.js
1248 ms
jquery.form.min.js
1345 ms
scripts.js
1364 ms
adsbygoogle.js
5 ms
analytics.js
6 ms
gpt.js
16 ms
collect
14 ms
pubads_impl_82.js
13 ms
container.html
72 ms
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konstrukter-nove-cislo-na-prumysl-cz-15-1.png
395 ms
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konstrukter-logo.png
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ads
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zrt_lookup.html
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konstrukter.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
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
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
Links do not have a discernible name
konstrukter.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
konstrukter.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Konstrukter.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 Konstrukter.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.
konstrukter.cz
Open Graph description is not detected on the main page of Konstrukter. 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: