3.2 sec in total
227 ms
2.5 sec
479 ms
Visit summerjam.cz now to see the best up-to-date Summer Jam content for Czech Republic and also check out these interesting facts you probably never knew about summerjam.cz
Letní zájezdy a kempy Summer Jam tvoříme tak, aby kombinovaly sport, zážitky a večerní zábavu. Užij si originální párty dovolenou u moře, nauč se surfovat na surf kurzu nebo se bav na sportovním festi...
Visit summerjam.czWe analyzed Summerjam.cz page load time and found that the first response time was 227 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
summerjam.cz performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value12.7 s
0/100
25%
Value3.8 s
83/100
10%
Value230 ms
87/100
30%
Value0.08
94/100
15%
Value7.8 s
44/100
10%
227 ms
76 ms
146 ms
208 ms
141 ms
Our browser made a total of 109 requests to load all elements on the main page. We found that 57% of them (62 requests) were addressed to the original Summerjam.cz, 10% (11 requests) were made to Static.xx.fbcdn.net and 8% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Summerjam.cz.
Page size can be reduced by 264.0 kB (7%)
3.6 MB
3.4 MB
In fact, the total size of Summerjam.cz main page is 3.6 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. 55% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.
Potential reduce by 33.3 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 33.3 kB or 72% of the original size.
Potential reduce by 11.0 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. Summer Jam images are well optimized though.
Potential reduce by 156.9 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 156.9 kB or 69% of the original size.
Potential reduce by 62.8 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. Summerjam.cz needs all CSS files to be minified and compressed as it can save up to 62.8 kB or 85% of the original size.
Number of requests can be reduced by 45 (44%)
102
57
The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Summer Jam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
summerjam.cz
227 ms
style.css
76 ms
jquery-slider.css
146 ms
jquery-1.5.2.min.js
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jquery-slider-min.js
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pretty.css
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jquery.prettyPhoto.js
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addclasskillclass.js
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attachevent.js
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addcss.js
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tabtastic.js
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rsv.js
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bgstretcher.css
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css
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analytics.js
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collect
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road2tropez.jpg
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summerjam.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
summerjam.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
summerjam.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Summerjam.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 Summerjam.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.
summerjam.cz
Open Graph description is not detected on the main page of Summer Jam. 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: