Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

ohst.co.za

OHST | National: Health & Safety Training – Home

Page Load Speed

17.8 sec in total

First Response

578 ms

Resources Loaded

15.8 sec

Page Rendered

1.4 sec

ohst.co.za screenshot

About Website

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

Occupational Health & Safety Training (ohst) is a fully accredited SETA training institution with further accreditations with the Department of Labour and the Department of Transport.

Visit ohst.co.za

Key Findings

We analyzed Ohst.co.za page load time and found that the first response time was 578 ms and then it took 17.2 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

ohst.co.za performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.372

28/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

ohst.co.za

578 ms

ohst.co.za

1117 ms

bootstrap.min.css

534 ms

animate.min.css

794 ms

font-awesome.min.css

790 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 68% of them (51 requests) were addressed to the original Ohst.co.za, 9% (7 requests) were made to Fonts.gstatic.com and 8% (6 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (13.2 sec) belongs to the original domain Ohst.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 556.1 kB (23%)

Content Size

2.4 MB

After Optimization

1.8 MB

In fact, the total size of Ohst.co.za main page is 2.4 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. 80% 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 22.3 kB

  • Original 29.1 kB
  • After minification 26.7 kB
  • After compression 6.8 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 22.3 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.6 MB
  • After minification 1.6 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. OHST images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 277.7 kB

  • Original 418.8 kB
  • After minification 408.3 kB
  • After compression 141.1 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 277.7 kB or 66% of the original size.

CSS Optimization

-80%

Potential reduce by 256.1 kB

  • Original 318.5 kB
  • After minification 280.1 kB
  • After compression 62.4 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. Ohst.co.za needs all CSS files to be minified and compressed as it can save up to 256.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (43%)

Requests Now

65

After Optimization

37

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OHST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ohst.co.za accessibility score

82

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ohst.co.za best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ohst.co.za SEO score

67

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

High

Image elements do not have [alt] attributes

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 Ohst.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 Ohst.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 OHST. 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: