Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

datacamp.sk

Dedikované servery, managed servery a server hosting | SH.cz

Page Load Speed

1.8 sec in total

First Response

336 ms

Resources Loaded

1.4 sec

Page Rendered

53 ms

datacamp.sk screenshot

About Website

Visit datacamp.sk now to see the best up-to-date Datacamp content and also check out these interesting facts you probably never knew about datacamp.sk

Řešení pro náročné zákazníky. Servery poskytujeme přes 18 let a pečujeme o více než třetinu českého internetu. Proto nám důvěřují nejnavštěvovanější weby.

Visit datacamp.sk

Key Findings

We analyzed Datacamp.sk page load time and found that the first response time was 336 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

datacamp.sk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

datacamp.sk

336 ms

www.datacamp.sk

332 ms

www.sh.cz

368 ms

css2

41 ms

3d863e713cc76cf7cbb5.css

9 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Datacamp.sk, 88% (30 requests) were made to Sh.cz and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (368 ms) relates to the external source Sh.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.0 kB (44%)

Content Size

36.3 kB

After Optimization

20.3 kB

In fact, the total size of Datacamp.sk main page is 36.3 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. HTML takes 20.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.8 kB

  • Original 20.4 kB
  • After minification 20.4 kB
  • After compression 4.6 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 15.8 kB or 77% of the original size.

CSS Optimization

-2%

Potential reduce by 239 B

  • Original 15.9 kB
  • After minification 15.9 kB
  • After compression 15.7 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. Datacamp.sk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (65%)

Requests Now

31

After Optimization

11

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datacamp. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

datacamp.sk accessibility score

97

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.

Best Practices

datacamp.sk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

datacamp.sk SEO score

98

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datacamp.sk can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Datacamp.sk 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

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