7.1 sec in total
430 ms
6.5 sec
165 ms
Welcome to koncerty.com homepage info - get ready to check KONCERTY best content right away, or after learning these important things about koncerty.com
Agencja koncertowa, koncerty i wydarzenia specjalne, Szczecin Music Fest, trasy koncertowe. Produkujemy koncerty i festiwale oraz reprezentujemy artystów. Organizujemy pojedyncze koncerty, trasy konce...
Visit koncerty.comWe analyzed Koncerty.com page load time and found that the first response time was 430 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
koncerty.com performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value13.8 s
0/100
25%
Value8.1 s
21/100
10%
Value4,240 ms
1/100
30%
Value0.046
99/100
15%
Value11.3 s
19/100
10%
430 ms
122 ms
543 ms
417 ms
415 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 51% of them (41 requests) were addressed to the original Koncerty.com, 15% (12 requests) were made to Static.xx.fbcdn.net and 9% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Koncerty.com.
Page size can be reduced by 753.8 kB (51%)
1.5 MB
729.4 kB
In fact, the total size of Koncerty.com main page is 1.5 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. Javascripts take 654.8 kB which makes up the majority of the site volume.
Potential reduce by 26.2 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 26.2 kB or 64% of the original size.
Potential reduce by 75.8 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. Obviously, KONCERTY needs image optimization as it can save up to 75.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 425.7 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 425.7 kB or 65% of the original size.
Potential reduce by 226.1 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. Koncerty.com needs all CSS files to be minified and compressed as it can save up to 226.1 kB or 83% of the original size.
Number of requests can be reduced by 33 (43%)
77
44
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KONCERTY. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
koncerty.com
430 ms
style.css
122 ms
jquery.min.js
543 ms
jquery.easing.js
417 ms
jquery.dimensions.js
415 ms
jquery.accordion.js
415 ms
slimbox2.js
276 ms
slimbox2.css
274 ms
slides.min.jquery.js
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slides.css
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flexslider.js
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flexslider.css
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jquery.slabtext.min.js
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datepicker.css
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datepicker.js
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js
25 ms
cookies.js
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s_facebook.png
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s_twitter.png
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s_lastfm.png
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ga.js
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common.js
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util.js
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stats.js
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koncerty.com 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.
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 IDs are not unique
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
No form fields have multiple labels
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
koncerty.com 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
Issues were logged in the Issues panel in Chrome Devtools
koncerty.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
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
PL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koncerty.com can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Koncerty.com 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.
koncerty.com
Open Graph description is not detected on the main page of KONCERTY. 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: