Tools & Wizards About Us
datakal.cz screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

datakal.cz

Event and Festival Management and Database Software | DataKal® StarBase® is a world-leading unique event management software. | DataKal

Page Load Speed

4.3 sec in total

First Response

616 ms

Resources Loaded

3.5 sec

Page Rendered

277 ms

datakal.cz screenshot

About Website

Visit datakal.cz now to see the best up-to-date Data Kal content and also check out these interesting facts you probably never knew about datakal.cz

Datakal is a leading event and festival management and database software. Designed specially for managing festivals and other cultural events even with ticketing support for BOCA printers.

Visit datakal.cz

Key Findings

We analyzed Datakal.cz page load time and found that the first response time was 616 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

datakal.cz performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

83/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

datakal.cz

616 ms

default.css

497 ms

jquery.min.js

10 ms

jquery.plugins.js

406 ms

scripts.js

407 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 16% of them (6 requests) were addressed to the original Datakal.cz, 68% (25 requests) were made to Datakal.eu and 8% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Datakal.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.9 kB (2%)

Content Size

1.7 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datakal.cz main page is 1.7 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. 20% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 17.6 kB

  • Original 24.3 kB
  • After minification 23.1 kB
  • After compression 6.7 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 17.6 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 20.4 kB

  • Original 1.7 MB
  • After minification 1.6 MB

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. Data Kal images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 483 B

  • Original 46.5 kB
  • After minification 46.5 kB
  • After compression 46.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 390 B

  • Original 3.1 kB
  • After minification 3.1 kB
  • After compression 2.7 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. Datakal.cz needs all CSS files to be minified and compressed as it can save up to 390 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (44%)

Requests Now

36

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Kal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

datakal.cz

datakal.cz

616 ms

default.css

default.css

497 ms

jquery.min.js

jquery.min.js

10 ms

jquery.plugins.js

jquery.plugins.js

406 ms

scripts.js

scripts.js

407 ms

analytics.js

analytics.js

408 ms

ga.js

ga.js

39 ms

1306831207288745535.png

1306831207288745535.png

185 ms

home-body.png

home-body.png

119 ms

center.png

center.png

119 ms

home-header.jpg

home-header.jpg

456 ms

logo.png

logo.png

277 ms

print.gif

print.gif

184 ms

header-support.png

header-support.png

187 ms

header-support-ico.gif

header-support-ico.gif

185 ms

plus.gif

plus.gif

187 ms

nav-sub.gif

nav-sub.gif

275 ms

intro-a.png

intro-a.png

276 ms

412045_393495480694173_571984672_o.jpg

412045_393495480694173_571984672_o.jpg

737 ms

IMG_0208%20%E2%80%93%20kopie.JPG

IMG_0208%20%E2%80%93%20kopie.JPG

2398 ms

SAM_0732c.gif

SAM_0732c.gif

547 ms

SAM_0737c.gif

SAM_0737c.gif

548 ms

ico1.png

ico1.png

368 ms

ico2.png

ico2.png

461 ms

ico3.png

ico3.png

545 ms

f-facebook.gif

f-facebook.gif

553 ms

in-linkedin_1.gif

in-linkedin_1.gif

637 ms

1306831286310978046.png

1306831286310978046.png

275 ms

13068314501303254437.png

13068314501303254437.png

275 ms

1297597431215925213.gif

1297597431215925213.gif

276 ms

1347538981254379260.png

1347538981254379260.png

186 ms

footer.png

footer.png

790 ms

__utm.gif

__utm.gif

14 ms

__utm.gif

__utm.gif

13 ms

bmedia.gif

bmedia.gif

575 ms

all.js

all.js

19 ms

all.js

all.js

5 ms

Accessibility Review

datakal.cz accessibility score

85

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

datakal.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

datakal.cz SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datakal.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 Czech language. Our system also found out that Datakal.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.

Social Sharing Optimization

datakal.cz

Open Graph description is not detected on the main page of Data Kal. 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: