Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ozonetek.co.za

Chemical-Free Water Treatment & Sterilization | Ozone & UV | Ozonetek

Page Load Speed

6.4 sec in total

First Response

939 ms

Resources Loaded

4.9 sec

Page Rendered

569 ms

About Website

Welcome to ozonetek.co.za homepage info - get ready to check Ozonetek best content right away, or after learning these important things about ozonetek.co.za

Ozonetek specialises in the chemical-free water treatment & sterilization in the agricultural, industrial, commercial and domestic markets.

Visit ozonetek.co.za

Key Findings

We analyzed Ozonetek.co.za page load time and found that the first response time was 939 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

ozonetek.co.za performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

ozonetek.co.za

939 ms

analytics.js

8 ms

7mqrc.css

709 ms

7mqrc.css

917 ms

7mqrc.js

695 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 92% of them (59 requests) were addressed to the original Ozonetek.co.za, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Ozonetek.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.3 kB (8%)

Content Size

2.6 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ozonetek.co.za main page is 2.6 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. 60% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 126.4 kB

  • Original 151.2 kB
  • After minification 147.7 kB
  • After compression 24.8 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 126.4 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 21.0 kB

  • Original 2.0 MB
  • After minification 2.0 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. Ozonetek images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 48.4 kB

  • Original 306.7 kB
  • After minification 306.7 kB
  • After compression 258.3 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 48.4 kB or 16% of the original size.

CSS Optimization

-1%

Potential reduce by 1.4 kB

  • Original 147.5 kB
  • After minification 147.5 kB
  • After compression 146.1 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. Ozonetek.co.za has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (22%)

Requests Now

58

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ozonetek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ozonetek.co.za accessibility score

69

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

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

ozonetek.co.za best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

ozonetek.co.za SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Ozonetek.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 Ozonetek.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 Ozonetek. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: