3.4 sec in total
634 ms
2.5 sec
258 ms
Visit jankopecny.cz now to see the best up-to-date Jan Kopecny content and also check out these interesting facts you probably never knew about jankopecny.cz
Oficiální internetové stránky zpěváka a herce Jana Kopečného.
Visit jankopecny.czWe analyzed Jankopecny.cz page load time and found that the first response time was 634 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
jankopecny.cz performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value16.3 s
0/100
25%
Value9.6 s
11/100
10%
Value6,910 ms
0/100
30%
Value0.102
89/100
15%
Value15.3 s
7/100
10%
634 ms
883 ms
23 ms
213 ms
210 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 78% of them (36 requests) were addressed to the original Jankopecny.cz, 4% (2 requests) were made to Apis.google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (883 ms) belongs to the original domain Jankopecny.cz.
Page size can be reduced by 562.1 kB (59%)
947.0 kB
384.9 kB
In fact, the total size of Jankopecny.cz main page is 947.0 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. 35% of websites need less resources to load. Javascripts take 507.0 kB which makes up the majority of the site volume.
Potential reduce by 12.9 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 12.9 kB or 73% of the original size.
Potential reduce by 6.6 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. Jan Kopecny images are well optimized though.
Potential reduce by 322.9 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 322.9 kB or 64% of the original size.
Potential reduce by 219.7 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. Jankopecny.cz needs all CSS files to be minified and compressed as it can save up to 219.7 kB or 83% of the original size.
Number of requests can be reduced by 24 (55%)
44
20
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jan Kopecny. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
jankopecny.cz
634 ms
www.jankopecny.cz
883 ms
css
23 ms
style.css
213 ms
style-high-dpi.css
210 ms
jquery.js
552 ms
script.js
221 ms
styles.css
222 ms
nggallery.css
223 ms
shutter-reloaded.css
314 ms
easy-fancybox.css.php
317 ms
jquery.js
662 ms
shutter-reloaded.js
330 ms
jquery.cycle.all.min.js
440 ms
ngg.slideshow.min.js
419 ms
jquery.fancybox-1.3.4.pack.js
423 ms
jquery.form.min.js
342 ms
scripts.js
424 ms
jquery.easing-1.3.pack.js
429 ms
jquery.mousewheel-3.0.4.pack.js
468 ms
jquery.metadata.js
467 ms
14.jpg
524 ms
plusone.js
95 ms
a_x5bCQfEjM
150 ms
6.jpg
108 ms
backlogo.jpg
333 ms
logo.png
334 ms
facebook16.png
110 ms
youtube16.png
112 ms
rss16.png
165 ms
1.jpg
228 ms
sipkac.png
229 ms
stinmenu.png
231 ms
stinakt.png
274 ms
12741996_1688212251420120_4327397852597157047_n-140x105.jpg
330 ms
12711318_880996088666111_820519048997076823_o-140x105.jpg
331 ms
12748128_879188095513577_3227012179798412916_o-140x105.jpg
439 ms
facebook-picture-140x105.jpg
378 ms
Jan-Kopecny-profil-3-140x105.jpg
424 ms
ga.js
35 ms
__utm.gif
24 ms
cb=gapi.loaded_0
11 ms
www-embed-player-vfl-z2BtK.css
65 ms
www-embed-player.js
87 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
37 ms
ad_status.js
25 ms
jankopecny.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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
jankopecny.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
General
Impact
Issue
Detected JavaScript libraries
jankopecny.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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jankopecny.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 Jankopecny.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.
jankopecny.cz
Open Graph description is not detected on the main page of Jan Kopecny. 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: