8.5 sec in total
386 ms
7.8 sec
364 ms
Welcome to bohemiajazzfestival.cz homepage info - get ready to check Bohemia Jazz Festival best content right away, or after learning these important things about bohemiajazzfestival.cz
Bohemia Jazz Fest is one of the biggest summer jazz music festivals in Europe. Downbeat Magazine has even named it one of the world’s most important cultural events.
Visit bohemiajazzfestival.czWe analyzed Bohemiajazzfestival.cz page load time and found that the first response time was 386 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
bohemiajazzfestival.cz performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value8.6 s
1/100
25%
Value6.9 s
33/100
10%
Value600 ms
50/100
30%
Value0
100/100
15%
Value8.1 s
42/100
10%
386 ms
630 ms
237 ms
362 ms
477 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Bohemiajazzfestival.cz, 85% (72 requests) were made to Bohemiajazzfest.cz and 8% (7 requests) were made to Img.youtube.com. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source Bohemiajazzfest.cz.
Page size can be reduced by 735.4 kB (10%)
7.6 MB
6.8 MB
In fact, the total size of Bohemiajazzfestival.cz main page is 7.6 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. 60% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.
Potential reduce by 42.1 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 42.1 kB or 85% of the original size.
Potential reduce by 182.5 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. Bohemia Jazz Festival images are well optimized though.
Potential reduce by 391.1 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 391.1 kB or 79% of the original size.
Potential reduce by 119.8 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. Bohemiajazzfestival.cz needs all CSS files to be minified and compressed as it can save up to 119.8 kB or 83% of the original size.
Number of requests can be reduced by 14 (17%)
81
67
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bohemia Jazz Festival. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
bohemiajazzfestival.cz
386 ms
www.bohemiajazzfest.cz
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normalize.css
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bootstrap.min.css
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giveMeCss.php
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jquery.fancybox.css
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jquery-1.10.2.min.js
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jquery.fancybox.js
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jquery.mousewheel-3.0.6.pack.js
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amazingslider.js
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initslider-1.js
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bootstrap.min.js
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jquery.videoBG.js
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scripty.js
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skrollr.js
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maxresdefault.jpg
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soc-fb.png
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hpb4.jpg
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ministerstvo-kultury.jpg
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sporka.png
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www.bohemiajazzfest.cz
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bohemiajazzfestival.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
[aria-hidden="true"] elements contain focusable descendents
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
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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
[lang] attributes do not have a valid value
bohemiajazzfestival.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
bohemiajazzfestival.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
EN
CZ
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bohemiajazzfestival.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed language. Our system also found out that Bohemiajazzfestival.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.
bohemiajazzfestival.cz
Open Graph description is not detected on the main page of Bohemia Jazz Festival. 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: