Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

rocketscience.co.za

Rocket Science | Technology systems & solutions

Page Load Speed

11.3 sec in total

First Response

751 ms

Resources Loaded

10.3 sec

Page Rendered

273 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 751 ms and then it took 10.6 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)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value37.9 s

0/100

10%

TBT (Total Blocking Time)

Value103,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value140.0 s

0/100

10%

Network Requests Diagram

rocketscience.co.za

751 ms

www.rocketscience.co.za

2344 ms

wp-emoji-release.min.js

390 ms

style.min.css

596 ms

styles.css

644 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 53% of them (48 requests) were addressed to the original Rocketscience.co.za, 13% (12 requests) were made to Maps.googleapis.com and 12% (11 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Rocketscience.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.1 kB (26%)

Content Size

834.1 kB

After Optimization

614.0 kB

In fact, the total size of Rocketscience.co.za main page is 834.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 417.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 100.1 kB

  • Original 118.3 kB
  • After minification 83.7 kB
  • After compression 18.2 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. This page needs HTML code to be minified as it can gain 34.6 kB, which is 29% 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 100.1 kB or 85% of the original size.

Image Optimization

-12%

Potential reduce by 48.1 kB

  • Original 417.3 kB
  • After minification 369.2 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 48.1 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

-20%

Potential reduce by 39.3 kB

  • Original 200.8 kB
  • After minification 189.5 kB
  • After compression 161.5 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 39.3 kB or 20% of the original size.

CSS Optimization

-33%

Potential reduce by 32.6 kB

  • Original 97.7 kB
  • After minification 93.3 kB
  • After compression 65.1 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 32.6 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (59%)

Requests Now

83

After Optimization

34

The browser has sent 83 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 35 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

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

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

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

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: