Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

scubaworld.com.au

HMAS Brisbane Dive Tours | Scuba Diving Sunshine Coast

Page Load Speed

11.3 sec in total

First Response

428 ms

Resources Loaded

9.4 sec

Page Rendered

1.4 sec

About Website

Click here to check amazing Scuba World content for Australia. Otherwise, check out these important facts you probably never knew about scubaworld.com.au

Experience Scuba Diving on the Sunshine Coast with Scuba World. Dive the HMAS Brisbane Dive. Over 30 years experience. Advanced & Beginner Scuba Diving Courses

Visit scubaworld.com.au

Key Findings

We analyzed Scubaworld.com.au page load time and found that the first response time was 428 ms and then it took 10.9 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

scubaworld.com.au performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value2,820 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value18.4 s

3/100

10%

Network Requests Diagram

scubaworld.com.au

428 ms

scubaworld.com.au

2732 ms

woocommerce-layout.css

393 ms

woocommerce.css

592 ms

eae.min.css

809 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 86% of them (102 requests) were addressed to the original Scubaworld.com.au, 10% (12 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Scubaworld.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.2 kB (4%)

Content Size

4.3 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scubaworld.com.au main page is 4.3 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 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 158.4 kB

  • Original 212.2 kB
  • After minification 207.3 kB
  • After compression 53.8 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 158.4 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 6.0 kB

  • Original 3.6 MB
  • After minification 3.6 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. Scuba World images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.8 kB

  • Original 383.8 kB
  • After minification 383.8 kB
  • After compression 382.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 2.0 kB

  • Original 144.6 kB
  • After minification 144.6 kB
  • After compression 142.6 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. Scubaworld.com.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 68 (67%)

Requests Now

101

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scuba World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 37 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

scubaworld.com.au accessibility score

86

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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 IDs are not unique

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

scubaworld.com.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

scubaworld.com.au 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 Scubaworld.com.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 Scubaworld.com.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

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