Tools & Wizards About Us
bigdata.co.za screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bigdata.co.za

Big Data consulting and training - Big Data

Page Load Speed

5.5 sec in total

First Response

673 ms

Resources Loaded

3.7 sec

Page Rendered

1.2 sec

bigdata.co.za screenshot

About Website

Visit bigdata.co.za now to see the best up-to-date Big Data content and also check out these interesting facts you probably never knew about bigdata.co.za

Big Data consulting & training by professionals that delivers. Looking for skills in Hadoop, Spark, Pig or Python AI or ML? Do you require experienced data scientists to assist with data analysis and ...

Visit bigdata.co.za

Key Findings

We analyzed Bigdata.co.za page load time and found that the first response time was 673 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bigdata.co.za performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value2,960 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

bigdata.co.za

673 ms

clay.css

418 ms

combo

361 ms

loader.js

293 ms

combo

519 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 58% of them (23 requests) were addressed to the original Bigdata.co.za, 13% (5 requests) were made to Gstatic.com and 10% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Stats.cyberwebhosting.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 178.3 kB (24%)

Content Size

752.5 kB

After Optimization

574.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bigdata.co.za main page is 752.5 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. Javascripts take 361.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 154.4 kB

  • Original 185.3 kB
  • After minification 173.2 kB
  • After compression 30.9 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 154.4 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 22.5 kB

  • Original 181.0 kB
  • After minification 158.5 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 needs image optimization as it can save up to 22.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.4 kB

  • Original 361.6 kB
  • After minification 361.6 kB
  • After compression 360.2 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 0 B

  • Original 24.6 kB
  • After minification 24.6 kB
  • After compression 24.6 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. Bigdata.co.za has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (47%)

Requests Now

34

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big Data. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bigdata.co.za

bigdata.co.za

673 ms

clay.css

clay.css

418 ms

combo

combo

361 ms

loader.js

loader.js

293 ms

combo

combo

519 ms

main.css

main.css

369 ms

main.css

main.css

286 ms

main.css

main.css

562 ms

api.js

api.js

37 ms

main.js

main.js

621 ms

analytics.js

analytics.js

20 ms

matomo.js

matomo.js

742 ms

collect

collect

134 ms

icons.svg

icons.svg

585 ms

powered-by-jumping-bean-png

powered-by-jumping-bean-png

241 ms

e2be3851-53b5-5e19-f70a-4192dd93282e

e2be3851-53b5-5e19-f70a-4192dd93282e

387 ms

b8d36705-871d-8b9e-bdfe-3399bbf6ec63

b8d36705-871d-8b9e-bdfe-3399bbf6ec63

310 ms

b76ae83f-d52e-9ded-3dab-ae583d7b9064

b76ae83f-d52e-9ded-3dab-ae583d7b9064

387 ms

d043b820-0e45-f774-560d-1208b5e78294

d043b820-0e45-f774-560d-1208b5e78294

309 ms

78fd6f80-022c-3d90-21a9-c61ac45595f6

78fd6f80-022c-3d90-21a9-c61ac45595f6

385 ms

8ed35b01-dff5-b698-9bf0-41e4d77141d5

8ed35b01-dff5-b698-9bf0-41e4d77141d5

387 ms

167a16ed-6d25-24f7-4ffa-7ebb29170757

167a16ed-6d25-24f7-4ffa-7ebb29170757

484 ms

0d50f57e-e878-6733-26d1-f157fe1e48c9

0d50f57e-e878-6733-26d1-f157fe1e48c9

537 ms

comptia-logo

comptia-logo

481 ms

powered-by-jumping-bean-footer.png

powered-by-jumping-bean-footer.png

716 ms

js

js

208 ms

viga-regular-webfont.woff

viga-regular-webfont.woff

572 ms

recaptcha__en.js

recaptcha__en.js

71 ms

fontawesome-alloy.woff

fontawesome-alloy.woff

487 ms

anchor

anchor

41 ms

styles__ltr.css

styles__ltr.css

4 ms

recaptcha__en.js

recaptcha__en.js

11 ms

IDLZ5bdCrEGdGR5FKKZfiIWvV7rMSlbAHUEzxUIOBQg.js

IDLZ5bdCrEGdGR5FKKZfiIWvV7rMSlbAHUEzxUIOBQg.js

23 ms

webworker.js

webworker.js

73 ms

logo_48.png

logo_48.png

12 ms

recaptcha__en.js

recaptcha__en.js

20 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

25 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

28 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

30 ms

matomo.php

matomo.php

1593 ms

Accessibility Review

bigdata.co.za accessibility score

89

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

bigdata.co.za best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bigdata.co.za 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

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

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 Bigdata.co.za 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 Bigdata.co.za 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

bigdata.co.za

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