Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

roofwhirlys4africa.co.za

Roof Mounted Wind Turbine Ventilators - Roof Whirlys 4 Africa

Page Load Speed

10.2 sec in total

First Response

934 ms

Resources Loaded

8.7 sec

Page Rendered

513 ms

About Website

Click here to check amazing Roof Whirlys 4 Africa content for South Africa. Otherwise, check out these important facts you probably never knew about roofwhirlys4africa.co.za

Roof mounted wind turbine ventilators (commonly referred to as whirlybird vents) remove hot stale air from buildings (domestic, commercial, industrial and agricultural) and replace it with fresh air d...

Visit roofwhirlys4africa.co.za

Key Findings

We analyzed Roofwhirlys4africa.co.za page load time and found that the first response time was 934 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

roofwhirlys4africa.co.za performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value1,260 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.423

23/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

Network Requests Diagram

roofwhirlys4africa.co.za

934 ms

roofwhirlys4africa.co.za

2859 ms

wp-emoji-release.min.js

243 ms

wp-customer-reviews.css

483 ms

style.min.css

723 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 89% of them (77 requests) were addressed to the original Roofwhirlys4africa.co.za, 2% (2 requests) were made to Pagead2.googlesyndication.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Roofwhirlys4africa.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 387.6 kB (6%)

Content Size

6.3 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Roofwhirlys4africa.co.za main page is 6.3 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. 65% of websites need less resources to load. Images take 5.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 83.3 kB

  • Original 105.5 kB
  • After minification 103.9 kB
  • After compression 22.2 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. 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 83.3 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 291.4 kB

  • Original 5.8 MB
  • After minification 5.5 MB

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. Roof Whirlys 4 Africa images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 362.4 kB
  • After minification 362.4 kB
  • After compression 358.8 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

-16%

Potential reduce by 9.3 kB

  • Original 56.3 kB
  • After minification 53.8 kB
  • After compression 47.0 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. Roofwhirlys4africa.co.za needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (69%)

Requests Now

78

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roof Whirlys 4 Africa. 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 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

roofwhirlys4africa.co.za accessibility score

93

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

roofwhirlys4africa.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

roofwhirlys4africa.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

Links do not have descriptive text

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 Roofwhirlys4africa.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 Roofwhirlys4africa.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 Roof Whirlys 4 Africa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: