4.2 sec in total
811 ms
2.9 sec
450 ms
Welcome to karsa.eu homepage info - get ready to check Karsa best content right away, or after learning these important things about karsa.eu
Dynamic repricing of the e-shop, detailed analyses, growth of profit of whole orders
Visit karsa.euWe analyzed Karsa.eu page load time and found that the first response time was 811 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
karsa.eu performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value5.3 s
21/100
25%
Value8.7 s
16/100
10%
Value7,190 ms
0/100
30%
Value0.074
95/100
15%
Value15.2 s
7/100
10%
811 ms
547 ms
127 ms
502 ms
793 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Karsa.eu, 80% (28 requests) were made to Admin.karsa.eu and 14% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Admin.karsa.eu.
Page size can be reduced by 563.1 kB (64%)
874.0 kB
310.9 kB
In fact, the total size of Karsa.eu main page is 874.0 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. 45% of websites need less resources to load. Javascripts take 752.3 kB which makes up the majority of the site volume.
Potential reduce by 15.6 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 15.6 kB or 71% of the original size.
Potential reduce by 0 B
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. Karsa images are well optimized though.
Potential reduce by 539.4 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 539.4 kB or 72% of the original size.
Potential reduce by 8.2 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. Karsa.eu needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 21% of the original size.
Number of requests can be reduced by 21 (81%)
26
5
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Karsa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
karsa.eu
811 ms
admin.karsa.eu
547 ms
Login
127 ms
jquery-3.1.0.js
502 ms
highcharts.js
793 ms
highcharts-heatmap.js
411 ms
highcharts-regression.js
558 ms
core.js
1025 ms
app.js
430 ms
clipboard.min.js
557 ms
range.min.js
629 ms
vue.min.js
600 ms
utils.js
608 ms
widget-support.js
628 ms
widget-components.js
698 ms
login.js
707 ms
foundation-cleanup.js
726 ms
load.js
727 ms
widget-scripts.js
909 ms
css
62 ms
styles.css
836 ms
range.css
837 ms
extention.css
837 ms
styles.css
879 ms
app.css
1217 ms
site.css
915 ms
logo-karsa.svg
119 ms
login.jpg
110 ms
select-background.svg
111 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQ.woff
57 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVQ.woff
61 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVQ.woff
75 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVQ.woff
74 ms
karsa-app.woff
109 ms
memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exg.woff
65 ms
karsa.eu 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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
karsa.eu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
karsa.eu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Karsa.eu can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Karsa.eu 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.
karsa.eu
Open Graph description is not detected on the main page of Karsa. 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: