2.2 sec in total
341 ms
1.7 sec
220 ms
Welcome to vzduchotechnika-vkspraha.cz homepage info - get ready to check Vzduchotechnika VKS Praha best content right away, or after learning these important things about vzduchotechnika-vkspraha.cz
Vzduchotechnika VKS Praha nabízí dodávku, montáž a servis vzduchotechniky, opravy a repase, posudky, poradenskou činnost, montáž a servis klimatizací TOSHIBA, automatickou regulaci, měření výkonu a za...
Visit vzduchotechnika-vkspraha.czWe analyzed Vzduchotechnika-vkspraha.cz page load time and found that the first response time was 341 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
vzduchotechnika-vkspraha.cz performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value3.7 s
57/100
25%
Value2.7 s
97/100
10%
Value20 ms
100/100
30%
Value0
100/100
15%
Value2.4 s
98/100
10%
341 ms
639 ms
347 ms
785 ms
493 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Vzduchotechnika-vkspraha.cz, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (785 ms) belongs to the original domain Vzduchotechnika-vkspraha.cz.
Page size can be reduced by 13.9 kB (11%)
128.2 kB
114.3 kB
In fact, the total size of Vzduchotechnika-vkspraha.cz main page is 128.2 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. Only 10% of websites need less resources to load. Images take 94.3 kB which makes up the majority of the site volume.
Potential reduce by 8.2 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 4.4 kB, which is 42% 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 8.2 kB or 79% of the original size.
Potential reduce by 413 B
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. Vzduchotechnika VKS Praha images are well optimized though.
Potential reduce by 34 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 5.3 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. Vzduchotechnika-vkspraha.cz needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 82% of the original size.
We found no issues to fix!
12
12
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vzduchotechnika VKS Praha. According to our analytics all requests are already optimized.
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vzduchotechnika-vkspraha.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.
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
vzduchotechnika-vkspraha.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
vzduchotechnika-vkspraha.cz SEO score
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vzduchotechnika-vkspraha.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 Vzduchotechnika-vkspraha.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.
{{og_description}}
vzduchotechnika-vkspraha.cz
Open Graph description is not detected on the main page of Vzduchotechnika VKS Praha. 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: