Tools & Wizards About Us
otc.edu.au screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

otc.edu.au

ONCALL Delivering Peace of Mind.

Page Load Speed

1.7 sec in total

First Response

137 ms

Resources Loaded

1.1 sec

Page Rendered

438 ms

otc.edu.au screenshot

About Website

Visit otc.edu.au now to see the best up-to-date Otc content and also check out these interesting facts you probably never knew about otc.edu.au

Discover your path to success with ONCALL Training College - Your trusted partner in professional education and career advancement. Explore our wide range of accredited courses and expert instructors,...

Visit otc.edu.au

Key Findings

We analyzed Otc.edu.au page load time and found that the first response time was 137 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

otc.edu.au performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value2,730 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

www.otc.edu.au

137 ms

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107 ms

legacy.js

74 ms

modern.js

93 ms

extract-css-runtime-4b07fe3055a715fb9efb-min.en-US.js

84 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Otc.edu.au, 31% (9 requests) were made to Assets.squarespace.com and 31% (9 requests) were made to Images.squarespace-cdn.com. The less responsive or slowest element that took the longest time to load (522 ms) relates to the external source Images.squarespace-cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (13%)

Content Size

8.6 MB

After Optimization

7.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Otc.edu.au main page is 8.6 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. 50% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 175.6 kB

  • Original 203.0 kB
  • After minification 177.6 kB
  • After compression 27.4 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. This page needs HTML code to be minified as it can gain 25.3 kB, which is 12% 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 175.6 kB or 87% of the original size.

Image Optimization

-7%

Potential reduce by 472.3 kB

  • Original 6.9 MB
  • After minification 6.4 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. Otc images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 477.7 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 976.0 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 477.7 kB or 33% of the original size.

CSS Optimization

-16%

Potential reduce by 3.1 kB

  • Original 19.2 kB
  • After minification 19.2 kB
  • After compression 16.1 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. Otc.edu.au needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (46%)

Requests Now

24

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.otc.edu.au

www.otc.edu.au

137 ms

QkgZFapcf9MjlxgljHk3qGOGS0PLPb7CaUjUbl01_7JfeTtIfFHN4UJLFRbh52jhWDjX5QMD5eZRFR9awR6tFQ4RZQwuZRJ3Zs7WMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0dhoRjAUCOWskjA80-Ao1OAFzdeU8Zh90SaBujW48Sagyjh90jhNlOfG0SaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPUyjamTiY8Djhy8ZYmC-Ao1OcFzdPUyjamTiY8Djhy8ZYmC-Ao1Oco8ifUySkolZPUCdhFydeyzSabCdhoRjAUCOWskjA80-Ao1OAFzdeU8Zh90SaBujW48Sagyjh90jhNlOeNXjko8ZY90jW9CSaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPUaiaS0jAFu-WsoShFGZAsude80ZkoRdhXCiaiaOcBRiA8XpWFR-emqiAUTdcS0dcmXOYiaikoySkolZPUaiaS0dhoRjAUCOWskjA80-Ao1OAFzdeU8Zh90SaBujW48Sagyjh90jhNlOYiaikoziew0ZAsuOcBuOYiaikoDSWmyScmDSeBRZWFR-emqiAUTdcS0jhNlJ6ouSc4ydc9lScNudcs8ZfJAdcmuZPuGjABDOAikdas8ShCliemtifGHfFK7MyMMeMw6MKGHfFp7MyMMeMj6MKGHfFc7MyMMeMS6MKGHfFfXMyMgeMb6MTMgN_Q_7bj.js

QkgZFapcf9MjlxgljHk3qGOGS0PLPb7CaUjUbl01_7JfeTtIfFHN4UJLFRbh52jhWDjX5QMD5eZRFR9awR6tFQ4RZQwuZRJ3Zs7WMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0dhoRjAUCOWskjA80-Ao1OAFzdeU8Zh90SaBujW48Sagyjh90jhNlOfG0SaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPUyjamTiY8Djhy8ZYmC-Ao1OcFzdPUyjamTiY8Djhy8ZYmC-Ao1Oco8ifUySkolZPUCdhFydeyzSabCdhoRjAUCOWskjA80-Ao1OAFzdeU8Zh90SaBujW48Sagyjh90jhNlOeNXjko8ZY90jW9CSaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPUaiaS0jAFu-WsoShFGZAsude80ZkoRdhXCiaiaOcBRiA8XpWFR-emqiAUTdcS0dcmXOYiaikoySkolZPUaiaS0dhoRjAUCOWskjA80-Ao1OAFzdeU8Zh90SaBujW48Sagyjh90jhNlOYiaikoziew0ZAsuOcBuOYiaikoDSWmyScmDSeBRZWFR-emqiAUTdcS0jhNlJ6ouSc4ydc9lScNudcs8ZfJAdcmuZPuGjABDOAikdas8ShCliemtifGHfFK7MyMMeMw6MKGHfFp7MyMMeMj6MKGHfFc7MyMMeMS6MKGHfFfXMyMgeMb6MTMgN_Q_7bj.js

107 ms

legacy.js

legacy.js

74 ms

modern.js

modern.js

93 ms

extract-css-runtime-4b07fe3055a715fb9efb-min.en-US.js

extract-css-runtime-4b07fe3055a715fb9efb-min.en-US.js

84 ms

extract-css-moment-js-vendor-6c569122bfa66a51a056-min.en-US.js

extract-css-moment-js-vendor-6c569122bfa66a51a056-min.en-US.js

221 ms

cldr-resource-pack-e85130cf44bc2d365b8b-min.en-US.js

cldr-resource-pack-e85130cf44bc2d365b8b-min.en-US.js

80 ms

common-vendors-stable-b03dd66b7c78e5e40bc7-min.en-US.js

common-vendors-stable-b03dd66b7c78e5e40bc7-min.en-US.js

217 ms

common-vendors-8db852056516153189c0-min.en-US.js

common-vendors-8db852056516153189c0-min.en-US.js

214 ms

common-f87afd7d4c76c49a5137-min.en-US.js

common-f87afd7d4c76c49a5137-min.en-US.js

221 ms

performance-74d24f5c2adcf3b8ee8a-min.en-US.js

performance-74d24f5c2adcf3b8ee8a-min.en-US.js

85 ms

site.css

site.css

92 ms

static.css

static.css

78 ms

site-bundle.11fff701a22dbd232e9127391845b3e2.js

site-bundle.11fff701a22dbd232e9127391845b3e2.js

70 ms

gtm.js

gtm.js

287 ms

Untitled+design.png

Untitled+design.png

275 ms

oncall-training-college-students-1.png

oncall-training-college-students-1.png

256 ms

25.png

25.png

455 ms

27.png

27.png

257 ms

image-asset.jpeg

image-asset.jpeg

242 ms

28.png

28.png

522 ms

sacare+banners+website+%2826%29.png

sacare+banners+website+%2826%29.png

236 ms

oga-sacare-logo_OGA+SACARE+Colour+White.png

oga-sacare-logo_OGA+SACARE+Colour+White.png

243 ms

Untitled+design.png

Untitled+design.png

251 ms

d

d

26 ms

d

d

48 ms

d

d

43 ms

d

d

49 ms

p.gif

p.gif

29 ms

Accessibility Review

otc.edu.au accessibility score

96

Accessibility Issues

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

otc.edu.au best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

otc.edu.au SEO score

99

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

High

Tap targets are not sized appropriately

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 Otc.edu.au 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 Otc.edu.au 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

otc.edu.au

Open Graph data is detected on the main page of Otc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: