Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

roff.co.za

Roff Milling - Maize Mills

Page Load Speed

12.6 sec in total

First Response

325 ms

Resources Loaded

11.8 sec

Page Rendered

539 ms

roff.co.za screenshot

About Website

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

Roff supply turn-key compact maize milling machines and systems, grain milling and stock feed equipment, grain crushers, hammer mills, stainless steel wire mesh and Jacob modular ducting and spouting.

Visit roff.co.za

Key Findings

We analyzed Roff.co.za page load time and found that the first response time was 325 ms and then it took 12.3 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

roff.co.za performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value19.5 s

0/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value1,870 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

roff.co.za

325 ms

www.roff.co.za

4471 ms

jceutilities.css

290 ms

style.css

575 ms

jcemediabox.css

576 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 98% of them (108 requests) were addressed to the original Roff.co.za, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Roff.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 476.1 kB (69%)

Content Size

689.7 kB

After Optimization

213.6 kB

In fact, the total size of Roff.co.za main page is 689.7 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 424.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 58.7 kB

  • Original 71.2 kB
  • After minification 67.4 kB
  • After compression 12.4 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. 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 58.7 kB or 83% of the original size.

Image Optimization

-14%

Potential reduce by 5.0 kB

  • Original 35.2 kB
  • After minification 30.1 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, Roff needs image optimization as it can save up to 5.0 kB or 14% 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 281.0 kB

  • Original 424.9 kB
  • After minification 417.9 kB
  • After compression 143.9 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 281.0 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 131.3 kB

  • Original 158.5 kB
  • After minification 137.7 kB
  • After compression 27.2 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. Roff.co.za needs all CSS files to be minified and compressed as it can save up to 131.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (54%)

Requests Now

108

After Optimization

50

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roff. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

roff.co.za accessibility score

84

Accessibility Issues

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-*] attributes do not match their roles

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

roff.co.za 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

Missing source maps for large first-party JavaScript

SEO Factors

roff.co.za SEO score

100

Search Engine Optimization Advices

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 Roff.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 Roff.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 description is not detected on the main page of Roff. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: