4.9 sec in total
386 ms
3.9 sec
679 ms
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Visit regulacniventily.czWe analyzed Regulacniventily.cz page load time and found that the first response time was 386 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
regulacniventily.cz performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value6.2 s
11/100
25%
Value3.9 s
82/100
10%
Value50 ms
100/100
30%
Value0.001
100/100
15%
Value6.9 s
53/100
10%
386 ms
1211 ms
118 ms
216 ms
329 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 90% of them (43 requests) were addressed to the original Regulacniventily.cz, 6% (3 requests) were made to Atp-heat.cz and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Atp-heat.cz.
Page size can be reduced by 159.4 kB (10%)
1.6 MB
1.4 MB
In fact, the total size of Regulacniventily.cz main page is 1.6 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 31.6 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. 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 31.6 kB or 81% of the original size.
Potential reduce by 45.6 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. Regulacniventily images are well optimized though.
Potential reduce by 57.9 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 57.9 kB or 54% of the original size.
Potential reduce by 24.3 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. Regulacniventily.cz needs all CSS files to be minified and compressed as it can save up to 24.3 kB or 82% of the original size.
Number of requests can be reduced by 14 (30%)
46
32
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Regulacniventily. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
regulacniventily.cz
386 ms
www.regulacniventily.cz
1211 ms
global.css
118 ms
tools.js
216 ms
jquery-1.2.6.pack.js
329 ms
jquery.easing.1.3.js
224 ms
jquery.hotkeys-0.7.8-packed.js
223 ms
jquery.autocomplete.css
228 ms
jquery.autocomplete.js
228 ms
search1.js
325 ms
treeManagement.js
364 ms
pluginDetect.js
363 ms
dvouokruhovy-ekvitermni-regulator-kotle-a-tuv-mtr22.jpg
435 ms
IMG_000009.jpg
1911 ms
20130313-212014.jpg
802 ms
bg.gif
112 ms
pagebg.gif
329 ms
header.gif
217 ms
logo.gif
116 ms
slogan.gif
117 ms
search.gif
114 ms
advertising_custom.jpg
331 ms
smesovaci-ventil-tricestny-se-servomotorem-euromix-f3-3-4-dn20.jpg
225 ms
12-category.jpg
228 ms
17-category.jpg
230 ms
44-category.jpg
322 ms
45-category.jpg
340 ms
16-category.jpg
343 ms
51-category.jpg
346 ms
65-category.jpg
431 ms
18-category.jpg
435 ms
15-category.jpg
439 ms
7-category.jpg
451 ms
10-category.jpg
452 ms
52-category.jpg
459 ms
smesovaci-ventil-tricestny-se-servomotorem-euromix-f3-3-4-dn20.jpg
537 ms
menubga.gif
536 ms
global.css
533 ms
cerv_sipka.gif
543 ms
center.jpg
767 ms
akce.gif
560 ms
special_price.gif
626 ms
homecateg.gif
634 ms
nejprhead.gif
642 ms
nejprjedna.gif
657 ms
news.gif
674 ms
ga.js
7 ms
__utm.gif
14 ms
regulacniventily.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
regulacniventily.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
regulacniventily.cz SEO score
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Regulacniventily.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 Regulacniventily.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.
regulacniventily.cz
Open Graph description is not detected on the main page of Regulacniventily. 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: