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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

bigdatauniversity.com

Data Science and Cognitive Computing Courses - Cognitive Class

Page Load Speed

4.1 sec in total

First Response

1.6 sec

Resources Loaded

2.3 sec

Page Rendered

279 ms

bigdatauniversity.com screenshot

About Website

Click here to check amazing Big Data University content for United States. Otherwise, check out these important facts you probably never knew about bigdatauniversity.com

Free Courses in Data Science, AI, Cognitive Computing, Blockchain and more

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Key Findings

We analyzed Bigdatauniversity.com page load time and found that the first response time was 1.6 sec and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

bigdatauniversity.com performance score

0

Network Requests Diagram

bigdatauniversity.com

1569 ms

wp-emoji-release.min.js

9 ms

flags.css

13 ms

bootstrap.min.css

20 ms

bdu.min.css

11 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 58% of them (32 requests) were addressed to the original Bigdatauniversity.com, 9% (5 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Bigdatauniversity.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 892.9 kB (59%)

Content Size

1.5 MB

After Optimization

618.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bigdatauniversity.com main page is 1.5 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. 70% of websites need less resources to load. Javascripts take 804.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 123.7 kB

  • Original 160.3 kB
  • After minification 154.3 kB
  • After compression 36.6 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 123.7 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 50.2 kB

  • Original 319.0 kB
  • After minification 268.8 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. Obviously, Big Data University needs image optimization as it can save up to 50.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 529.8 kB

  • Original 804.4 kB
  • After minification 803.9 kB
  • After compression 274.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 529.8 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 189.2 kB

  • Original 227.8 kB
  • After minification 224.5 kB
  • After compression 38.6 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. Bigdatauniversity.com needs all CSS files to be minified and compressed as it can save up to 189.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (63%)

Requests Now

48

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big Data University. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bigdatauniversity.com

bigdatauniversity.com

1569 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

9 ms

flags.css

flags.css

13 ms

bootstrap.min.css

bootstrap.min.css

20 ms

bdu.min.css

bdu.min.css

11 ms

style.css

style.css

18 ms

jetpack.css

jetpack.css

14 ms

jquery.js

jquery.js

30 ms

jquery-migrate.min.js

jquery-migrate.min.js

18 ms

addthis_widget.js

addthis_widget.js

29 ms

devicepx-jetpack.js

devicepx-jetpack.js

99 ms

gprofiles.js

gprofiles.js

98 ms

wpgroho.js

wpgroho.js

24 ms

bootstrap.min.js

bootstrap.min.js

24 ms

functions.js

functions.js

22 ms

comment-reply.min.js

comment-reply.min.js

23 ms

wp-embed.min.js

wp-embed.min.js

24 ms

e-201609.js

e-201609.js

22 ms

ga.js

ga.js

261 ms

sjqLUQN6ti1Ez9rXdGDoEA.js

sjqLUQN6ti1Ez9rXdGDoEA.js

48 ms

widgets.js

widgets.js

293 ms

bdu-logo.png

bdu-logo.png

46 ms

graphic-data-science.png

graphic-data-science.png

249 ms

icon-course-big-data.png

icon-course-big-data.png

45 ms

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45 ms

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44 ms

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45 ms

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48 ms

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47 ms

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47 ms

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47 ms

icon-course-spark.png

icon-course-spark.png

47 ms

icon-calendar.png

icon-calendar.png

247 ms

icon-news.png

icon-news.png

248 ms

bdu-logo-centre.png

bdu-logo-centre.png

249 ms

bdu-logo.png

bdu-logo.png

248 ms

ds-social-good.png

ds-social-good.png

247 ms

blank.gif

blank.gif

248 ms

flags.png

flags.png

250 ms

hovercard.css

hovercard.css

61 ms

services.css

services.css

78 ms

300lo.json

300lo.json

52 ms

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104 ms

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JbtMzqLaYbbbCL9X6EvaIy3USBnSvpkopQaUR-2r7iU.ttf

181 ms

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Y_TKV6o8WovbUd3m_X9aAA.ttf

201 ms

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HqHm7BVC_nzzTui2lzQTDaCWcynf_cDxXwCLxiixG1c.ttf

209 ms

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bH7276GfdCjMjApa_dkG6aCWcynf_cDxXwCLxiixG1c.ttf

227 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

60 ms

feedback-tab.png

feedback-tab.png

50 ms

g.gif

g.gif

59 ms

__utm.gif

__utm.gif

53 ms

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28 ms

collect

collect

142 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

25 ms

track.js

track.js

159 ms

SEO Factors

bigdatauniversity.com SEO score

0

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 Bigdatauniversity.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 Bigdatauniversity.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

bigdatauniversity.com

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