Tools & Wizards About Us

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

prodivecairns.com.au

Great Barrier Reef Liveaboard Scuba Diving | PADI Open Water Learn to Dive & Advanced Courses | Pro Dive Cairns | Australia

Page Load Speed

5.2 sec in total

First Response

484 ms

Resources Loaded

4.2 sec

Page Rendered

502 ms

About Website

Visit prodivecairns.com.au now to see the best up-to-date Pro Dive Cairns content and also check out these interesting facts you probably never knew about prodivecairns.com.au

Pro Dive Cairns is the Great Barrier Reef’s premier learn to dive and liveaboard operator. Join us for a PADI certified open water course, advanced courses, or for an unforgettable Great Barrier Reef ...

Visit prodivecairns.com.au

Key Findings

We analyzed Prodivecairns.com.au page load time and found that the first response time was 484 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

prodivecairns.com.au performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.298

40/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

prodivecairns.com.au

484 ms

prodivecairns.com

849 ms

style.css

203 ms

style.css

407 ms

menu.css

607 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Prodivecairns.com.au, 75% (47 requests) were made to Prodivecairns.com and 14% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Prodivecairns.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.4 kB (9%)

Content Size

844.3 kB

After Optimization

768.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prodivecairns.com.au main page is 844.3 kB. 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 597.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 31.3 kB

  • Original 38.6 kB
  • After minification 32.0 kB
  • After compression 7.3 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 6.6 kB, which is 17% 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 31.3 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 7.4 kB

  • Original 597.5 kB
  • After minification 590.1 kB

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. Pro Dive Cairns images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 27.1 kB

  • Original 115.4 kB
  • After minification 115.4 kB
  • After compression 88.4 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 27.1 kB or 23% of the original size.

CSS Optimization

-10%

Potential reduce by 9.6 kB

  • Original 92.8 kB
  • After minification 92.8 kB
  • After compression 83.2 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. Prodivecairns.com.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (56%)

Requests Now

48

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pro Dive Cairns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

prodivecairns.com.au accessibility score

75

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

prodivecairns.com.au best practices score

67

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

SEO Factors

prodivecairns.com.au SEO score

86

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Prodivecairns.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 Prodivecairns.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 description is not detected on the main page of Pro Dive Cairns. 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: