2.8 sec in total
363 ms
2 sec
490 ms
Welcome to vzhurudolu.cz homepage info - get ready to check Vzhurudolu best content for Czech Republic right away, or after learning these important things about vzhurudolu.cz
HTML5, CSS3, responzivní design v textech a na školeních Martina Michálka.
Visit vzhurudolu.czWe analyzed Vzhurudolu.cz page load time and found that the first response time was 363 ms 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.
vzhurudolu.cz performance score
name
value
score
weighting
Value2.5 s
68/100
10%
Value2.6 s
87/100
25%
Value3.4 s
89/100
10%
Value20 ms
100/100
30%
Value0.01
100/100
15%
Value3.5 s
92/100
10%
363 ms
562 ms
138 ms
240 ms
255 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 82% of them (27 requests) were addressed to the original Vzhurudolu.cz, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (562 ms) belongs to the original domain Vzhurudolu.cz.
Page size can be reduced by 155.6 kB (55%)
281.9 kB
126.2 kB
In fact, the total size of Vzhurudolu.cz main page is 281.9 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. 30% of websites need less resources to load. Javascripts take 159.0 kB which makes up the majority of the site volume.
Potential reduce by 31.0 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 5.3 kB, which is 13% 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 31.0 kB or 75% of the original size.
Potential reduce by 0 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. Vzhurudolu images are well optimized though.
Potential reduce by 85.6 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 85.6 kB or 54% of the original size.
Potential reduce by 39.0 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. Vzhurudolu.cz needs all CSS files to be minified and compressed as it can save up to 39.0 kB or 81% of the original size.
Number of requests can be reduced by 6 (27%)
22
16
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vzhurudolu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
vzhurudolu.cz
363 ms
www.vzhurudolu.cz
562 ms
vrdl.min.css
138 ms
picturefill.min.js
240 ms
modernizr.custom.min.js
255 ms
vrdl.min.js
486 ms
ga.js
30 ms
ticks.png
258 ms
skoleni_svg_thumb.svg
213 ms
skoleni_javascript_thumb.svg
228 ms
skoleni_bootstrap_thumb.svg
238 ms
tema-responzivni-design.svg
255 ms
tema-nastroje.svg
399 ms
tema-css.svg
399 ms
tema-html.svg
400 ms
tema-rychlost-nacitani.svg
401 ms
tema-frontend-frameworky.svg
401 ms
tema-prohlizece.svg
452 ms
tema-netechnicke.svg
456 ms
tema-skoleni.svg
488 ms
__utm.gif
14 ms
vzhurudolu-icons.ttf
419 ms
collect
60 ms
count.js
75 ms
foro-extra-bold.woff
262 ms
CapitaReg-webfont.woff
267 ms
CapitaBol-webfont.woff
312 ms
inconsolata-regular.woff
200 ms
inconsolata-bold.woff
329 ms
foro-light.woff
341 ms
nr-686.min.js
30 ms
CapitaIta-webfont.woff
120 ms
b08529894a
61 ms
vzhurudolu.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-*] attributes do not match their roles
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
Links do not have a discernible name
vzhurudolu.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
vzhurudolu.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 Vzhurudolu.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 Vzhurudolu.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.
vzhurudolu.cz
Open Graph description is not detected on the main page of Vzhurudolu. 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: