Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

datamind.org

Learn Data Science and AI Online | DataCamp

Page Load Speed

3.2 sec in total

First Response

25 ms

Resources Loaded

386 ms

Page Rendered

2.7 sec

datamind.org screenshot

About Website

Welcome to datamind.org homepage info - get ready to check Data Mind best content right away, or after learning these important things about datamind.org

Learn Data Science & AI from the comfort of your browser, at your own pace with DataCamp's video tutorials & coding challenges on R, Python, Statistics & more.

Visit datamind.org

Key Findings

We analyzed Datamind.org page load time and found that the first response time was 25 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

datamind.org performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value3,880 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.071

96/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

www.datacamp.com

25 ms

www.datacamp.com

79 ms

3d8700baae491674.css

36 ms

d34dd677d5a9a5aa.css

60 ms

polyfills-78c92fac7aa8fdd8.js

81 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Datamind.org, 21% (8 requests) were made to Dcmfe.datacamp.com. The less responsive or slowest element that took the longest time to load (215 ms) relates to the external source Datacamp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 264.4 kB (81%)

Content Size

328.2 kB

After Optimization

63.8 kB

In fact, the total size of Datamind.org main page is 328.2 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. 65% of websites need less resources to load. HTML takes 325.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 264.4 kB

  • Original 325.6 kB
  • After minification 325.4 kB
  • After compression 61.2 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 264.4 kB or 81% of the original size.

CSS Optimization

-1%

Potential reduce by 19 B

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 2.6 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. Datamind.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (86%)

Requests Now

29

After Optimization

4

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Mind. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

datamind.org accessibility score

98

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

datamind.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

datamind.org SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datamind.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Datamind.org 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 data is detected on the main page of Data Mind. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: