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Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

discover.365datascience.com

Learn Data Science with Our Online Courses | 365 Data Science

Page Load Speed

4.4 sec in total

First Response

732 ms

Resources Loaded

2.9 sec

Page Rendered

752 ms

discover.365datascience.com screenshot

About Website

Visit discover.365datascience.com now to see the best up-to-date Discover 365 Data Science content for Romania and also check out these interesting facts you probably never knew about discover.365datascience.com

365 Data Science offers online data science courses and industry-recognized certificates to launch your career. Learn Excel, Python, R, Tableau, Power BI, and more.

Visit discover.365datascience.com

Key Findings

We analyzed Discover.365datascience.com page load time and found that the first response time was 732 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

discover.365datascience.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value3,720 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

365datascience.com

732 ms

067b3cf.css

9 ms

34ef66a.css

11 ms

63a7d82.css

109 ms

84f08b9.css

14 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that all of those requests were addressed to Discover.365datascience.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source 365datascience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.6 kB (21%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Discover.365datascience.com main page is 1.4 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. 50% of websites need less resources to load. Javascripts take 562.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 266.9 kB

  • Original 334.0 kB
  • After minification 329.5 kB
  • After compression 67.1 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 266.9 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 19.6 kB

  • Original 433.3 kB
  • After minification 413.7 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. Discover 365 Data Science images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 54 B

  • Original 562.7 kB
  • After minification 562.7 kB
  • After compression 562.6 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

-0%

Potential reduce by 37 B

  • Original 28.4 kB
  • After minification 28.4 kB
  • After compression 28.4 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. Discover.365datascience.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (15%)

Requests Now

89

After Optimization

76

  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Discover 365 Data Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

365datascience.com

365datascience.com

732 ms

067b3cf.css

067b3cf.css

9 ms

34ef66a.css

34ef66a.css

11 ms

63a7d82.css

63a7d82.css

109 ms

84f08b9.css

84f08b9.css

14 ms

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13 ms

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4 ms

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4 ms

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14 ms

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17 ms

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489 ms

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88 ms

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95 ms

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192 ms

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190 ms

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311 ms

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417 ms

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353 ms

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338 ms

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451 ms

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500 ms

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431 ms

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498 ms

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502 ms

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517 ms

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673 ms

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671 ms

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650 ms

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610 ms

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612 ms

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755 ms

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713 ms

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698 ms

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786 ms

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811 ms

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851 ms

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872 ms

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903 ms

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890 ms

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918 ms

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859 ms

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Accessibility Review

discover.365datascience.com accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

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

High

ARIA IDs are not unique

Best Practices

discover.365datascience.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

discover.365datascience.com SEO score

92

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

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Discover.365datascience.com 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 Discover.365datascience.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.

Social Sharing Optimization

discover.365datascience.com

Open Graph data is detected on the main page of Discover 365 Data Science. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: