4.9 sec in total
358 ms
4.2 sec
282 ms
Visit hellerdance.cz now to see the best up-to-date Heller Dance content for Czech Republic and also check out these interesting facts you probably never knew about hellerdance.cz
Sháníte taneční obuv, společenské, taneční nebo svatební šaty, doplňky či kosmetiku? HellerDance nabízí specializované oblečení nebo látky i zakázkovou výrobu. Kontaktujte nás! Jsme v Praze, Brně i Os...
Visit hellerdance.czWe analyzed Hellerdance.cz page load time and found that the first response time was 358 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.
hellerdance.cz performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value5.7 s
16/100
25%
Value7.4 s
28/100
10%
Value490 ms
59/100
30%
Value0.001
100/100
15%
Value7.9 s
44/100
10%
358 ms
1099 ms
840 ms
361 ms
479 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 73% of them (32 requests) were addressed to the original Hellerdance.cz, 23% (10 requests) were made to and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Hellerdance.cz.
Page size can be reduced by 161.8 kB (12%)
1.4 MB
1.2 MB
In fact, the total size of Hellerdance.cz main page is 1.4 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 49.5 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 8.0 kB, which is 14% 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 49.5 kB or 86% of the original size.
Potential reduce by 80.3 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. Heller Dance images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
We found no issues to fix!
31
31
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heller Dance. According to our analytics all requests are already optimized.
hellerdance.cz
358 ms
www.hellerdance.cz
1099 ms
840 ms
361 ms
479 ms
logo.png
163 ms
slide_1.jpg
1267 ms
slide_2.jpg
1158 ms
slide_3.jpg
1116 ms
hp-links.png
234 ms
productfile-20160318123739-3028M1131.JPG.list
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474 ms
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587 ms
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704 ms
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829 ms
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937 ms
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1053 ms
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1158 ms
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producer-image_jpeg-20150813123450-5400-hdance-logo.jpg.thumb
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11 ms
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5 ms
analytics.js
65 ms
bx_loader.gif
1704 ms
custom-controls.png
1708 ms
collect
12 ms
hellerdance.cz accessibility score
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
Buttons do not have an accessible name
Form elements do not have associated labels
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
hellerdance.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
hellerdance.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 Hellerdance.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 Hellerdance.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.
hellerdance.cz
Open Graph description is not detected on the main page of Heller Dance. 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: