Tools & Wizards About Us
rocketscience.co.za screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

rocketscience.co.za

Rocket Science | Technology systems & solutions

Page Load Speed

10.2 sec in total

First Response

767 ms

Resources Loaded

9.1 sec

Page Rendered

371 ms

rocketscience.co.za screenshot

About Website

Visit rocketscience.co.za now to see the best up-to-date Rocket Science content for South Africa and also check out these interesting facts you probably never knew about rocketscience.co.za

Rocket Science is a cutting-edge leading technology and systems solutions provider, focused on turning concepts and ideas into award-winning solutions. Specialising in the Media, Entertainment & Broad...

Visit rocketscience.co.za

Key Findings

We analyzed Rocketscience.co.za page load time and found that the first response time was 767 ms and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rocketscience.co.za performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value20.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,950 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value23.5 s

1/100

10%

Network Requests Diagram

rocketscience.co.za

767 ms

www.rocketscience.co.za

1423 ms

style.min.css

443 ms

styles.css

654 ms

cookie-law-info-public.css

655 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 78% of them (57 requests) were addressed to the original Rocketscience.co.za, 7% (5 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Rocketscience.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 246.4 kB (27%)

Content Size

914.8 kB

After Optimization

668.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rocketscience.co.za main page is 914.8 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. 55% of websites need less resources to load. Javascripts take 527.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 115.2 kB

  • Original 135.6 kB
  • After minification 95.5 kB
  • After compression 20.4 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. This page needs HTML code to be minified as it can gain 40.1 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 115.2 kB or 85% of the original size.

Image Optimization

-21%

Potential reduce by 28.9 kB

  • Original 140.4 kB
  • After minification 111.5 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, Rocket Science needs image optimization as it can save up to 28.9 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 61.9 kB

  • Original 527.1 kB
  • After minification 527.1 kB
  • After compression 465.3 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 61.9 kB or 12% of the original size.

CSS Optimization

-36%

Potential reduce by 40.5 kB

  • Original 111.6 kB
  • After minification 107.2 kB
  • After compression 71.1 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. Rocketscience.co.za needs all CSS files to be minified and compressed as it can save up to 40.5 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (68%)

Requests Now

65

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rocket 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 30 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rocketscience.co.za

rocketscience.co.za

767 ms

www.rocketscience.co.za

www.rocketscience.co.za

1423 ms

style.min.css

style.min.css

443 ms

styles.css

styles.css

654 ms

cookie-law-info-public.css

cookie-law-info-public.css

655 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

656 ms

wpcf7-redirect-frontend.min.css

wpcf7-redirect-frontend.min.css

667 ms

lightcase.css

lightcase.css

670 ms

nucleus.css

nucleus.css

668 ms

refract_home.css

refract_home.css

1106 ms

wordpress.css

wordpress.css

875 ms

style.css

style.css

875 ms

font-awesome.min.css

font-awesome.min.css

890 ms

refract-wordpress_home.css

refract-wordpress_home.css

895 ms

custom_home.css

custom_home.css

893 ms

jquery.min.js

jquery.min.js

1315 ms

jquery-migrate.min.js

jquery-migrate.min.js

1092 ms

cookie-law-info-public.js

cookie-law-info-public.js

1118 ms

particles.min.js

particles.min.js

26 ms

headroom.min.js

headroom.min.js

1118 ms

cookie-law-info-table.css

cookie-law-info-table.css

907 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

1100 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

1201 ms

wp-polyfill.min.js

wp-polyfill.min.js

1202 ms

hooks.min.js

hooks.min.js

1201 ms

i18n.min.js

i18n.min.js

1202 ms

index.js

index.js

1318 ms

index.js

index.js

1320 ms

wpcf7r-fe.js

wpcf7r-fe.js

1327 ms

api.js

api.js

67 ms

index.js

index.js

1338 ms

core.min.js

core.min.js

1339 ms

lightcase.js

lightcase.js

1393 ms

snap.svg-min.js

snap.svg-min.js

1756 ms

classie.js

classie.js

1537 ms

slidingmenu.init.js

slidingmenu.init.js

1543 ms

header.js

header.js

1557 ms

owlcarousel.js

owlcarousel.js

1558 ms

main.js

main.js

1819 ms

css

css

31 ms

gtm.js

gtm.js

144 ms

hotjar-3132847.js

hotjar-3132847.js

160 ms

embed

embed

219 ms

logo-sm.svg

logo-sm.svg

660 ms

custom_home.css

custom_home.css

662 ms

header-key.png

header-key.png

1097 ms

icon-cloud.webp

icon-cloud.webp

662 ms

icon-tape.webp

icon-tape.webp

846 ms

icon-disk.webp

icon-disk.webp

847 ms

icon-display.webp

icon-display.webp

868 ms

icon-networking.webp

icon-networking.webp

888 ms

icon-software.webp

icon-software.webp

910 ms

icon-services.webp

icon-services.webp

1075 ms

icon-distribution.webp

icon-distribution.webp

1076 ms

client-makro.png

client-makro.png

1076 ms

client-cashbuild.png

client-cashbuild.png

1096 ms

client-creamer.png

client-creamer.png

1116 ms

client-atlantic.png

client-atlantic.png

1294 ms

client-urbanbrew.png

client-urbanbrew.png

1295 ms

client-videovision.png

client-videovision.png

1295 ms

client-multichoice.png

client-multichoice.png

1315 ms

logo-cookieyes.svg

logo-cookieyes.svg

1315 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

19 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

32 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

40 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

40 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

39 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1504 ms

recaptcha__en.js

recaptcha__en.js

24 ms

js

js

65 ms

geometry.js

geometry.js

3 ms

search.js

search.js

6 ms

main.js

main.js

10 ms

Accessibility Review

rocketscience.co.za accessibility score

86

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rocketscience.co.za 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

rocketscience.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 Rocketscience.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 Rocketscience.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

rocketscience.co.za

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