Tools & Wizards About Us
prodive.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

prodive.com

Scuba Diving Courses with PRO DIVE, Sydney, Cairns, Central Course, Magnetic Island Scuba gear and Careers

Page Load Speed

6.3 sec in total

First Response

1.4 sec

Resources Loaded

4.6 sec

Page Rendered

333 ms

prodive.com screenshot

About Website

Welcome to prodive.com homepage info - get ready to check PRO DIVE best content right away, or after learning these important things about prodive.com

Australia's No. 1 Scuba Diving Dive Center with locations in Sydney, Cairns, Central Coast, Magnetic Island and Lord Howe Island. PRO DIVE has been teaching courses and taking people diving since 1969

Visit prodive.com

Key Findings

We analyzed Prodive.com page load time and found that the first response time was 1.4 sec and then it took 4.9 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

prodive.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.8 s

0/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.505

16/100

15%

TTI (Time to Interactive)

Value25.8 s

0/100

10%

Network Requests Diagram

www.prodive.com.au

1362 ms

boilerplate.css

677 ms

Grid.css

494 ms

website.css

723 ms

respond.min.js

490 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Prodive.com, 13% (6 requests) were made to Diveengine.com and 9% (4 requests) were made to Secure.livechatinc.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Diveengine.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 666.2 kB (48%)

Content Size

1.4 MB

After Optimization

723.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prodive.com main page is 1.4 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. 35% of websites need less resources to load. Javascripts take 868.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 32.3 kB

  • Original 40.2 kB
  • After minification 34.5 kB
  • After compression 7.9 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 5.7 kB, which is 14% 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 32.3 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 12.9 kB

  • Original 447.8 kB
  • After minification 434.9 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 images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 593.0 kB

  • Original 868.8 kB
  • After minification 868.5 kB
  • After compression 275.8 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 593.0 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 28.0 kB

  • Original 32.8 kB
  • After minification 20.3 kB
  • After compression 4.7 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. Prodive.com needs all CSS files to be minified and compressed as it can save up to 28.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (49%)

Requests Now

41

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PRO DIVE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.prodive.com.au

www.prodive.com.au

1362 ms

boilerplate.css

boilerplate.css

677 ms

Grid.css

Grid.css

494 ms

website.css

website.css

723 ms

respond.min.js

respond.min.js

490 ms

jquery.min.js

jquery.min.js

29 ms

slicknav.css

slicknav.css

491 ms

jquery.slicknav.min.js

jquery.slicknav.min.js

764 ms

responsiveslides.min.js

responsiveslides.min.js

317 ms

responsiveslides.css

responsiveslides.css

316 ms

conversion.js

conversion.js

18 ms

20153171423470.cronulla%20front720.jpg

20153171423470.cronulla%20front720.jpg

2107 ms

201635178560.careers%20night%206th%20april720.jpg

201635178560.careers%20night%206th%20april720.jpg

2360 ms

20163111028130.dive%20computers22_3720.jpg

20163111028130.dive%20computers22_3720.jpg

1903 ms

201010172026150.tusa_dsc0006720.jpg

201010172026150.tusa_dsc0006720.jpg

2125 ms

20101130220240.adelaide_pre-scuttling720.jpg

20101130220240.adelaide_pre-scuttling720.jpg

2146 ms

201010142231490.014052fishrockcave720.jpg

201010142231490.014052fishrockcave720.jpg

2381 ms

background.gif

background.gif

253 ms

New_Header.jpg

New_Header.jpg

718 ms

Search_Icon.png

Search_Icon.png

256 ms

hotjar-96069.js

hotjar-96069.js

122 ms

fbds.js

fbds.js

26 ms

Menu_Gradient.png

Menu_Gradient.png

234 ms

menu_back.gif

menu_back.gif

271 ms

js

js

8 ms

tracking.js

tracking.js

102 ms

138 ms

ga.js

ga.js

51 ms

b84457a7-cb20-46bf-8dc2-23b4688eaf3f.js

b84457a7-cb20-46bf-8dc2-23b4688eaf3f.js

71 ms

Shop_Cart.asp

Shop_Cart.asp

622 ms

__utm.gif

__utm.gif

22 ms

62 ms

modules-043c1e6abe660c48857202e419ff9d8a.js

modules-043c1e6abe660c48857202e419ff9d8a.js

65 ms

collect

collect

96 ms

script_data.js

script_data.js

96 ms

65 ms

in.php

in.php

150 ms

ga-audiences

ga-audiences

44 ms

localization.en.0.3632191afe35222a6b78c04d457adc0d_4bd76d41a752660aa5aede8cd37907dd.js

localization.en.0.3632191afe35222a6b78c04d457adc0d_4bd76d41a752660aa5aede8cd37907dd.js

52 ms

ping

ping

78 ms

open_chat.cgi

open_chat.cgi

58 ms

livechat-classic_f726105e9a.ttf

livechat-classic_f726105e9a.ttf

34 ms

embedded.20160310142511.js

embedded.20160310142511.js

127 ms

visit-data

visit-data

239 ms

roundtrip.js

roundtrip.js

91 ms

22 ms

Accessibility Review

prodive.com accessibility score

50

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

prodive.com 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

prodive.com SEO score

83

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

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prodive.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Prodive.com 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

prodive.com

Open Graph description is not detected on the main page of PRO DIVE. 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: