Tools & Wizards About Us
urgdiveclub.org.au screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

urgdiveclub.org.au

Citizen Science Diving in Sydney | Underwater Research Group of NSW

Page Load Speed

1.6 sec in total

First Response

44 ms

Resources Loaded

1.5 sec

Page Rendered

54 ms

urgdiveclub.org.au screenshot

About Website

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

Underwater Research Group of NSW is a not-for-profit scuba diving club with a regular dive schedule (boat & shore diving) in Sydney and surrounds. We're a passionate community of divers, dedicated to ...

Visit urgdiveclub.org.au

Key Findings

We analyzed Urgdiveclub.org.au page load time and found that the first response time was 44 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

urgdiveclub.org.au performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

www.urgdiveclub.org.au

44 ms

minified.js

27 ms

focus-within-polyfill.js

26 ms

polyfill.min.js

55 ms

thunderbolt-commons.81e79c4a.bundle.min.js

111 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Urgdiveclub.org.au, 42% (23 requests) were made to Static.parastorage.com and 29% (16 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (749 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (23%)

Content Size

5.3 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Urgdiveclub.org.au main page is 5.3 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. 45% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 989.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 226.7 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 989.1 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 80.5 kB

  • Original 3.7 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. Urgdiveclub images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 137.6 kB

  • Original 378.3 kB
  • After minification 378.2 kB
  • After compression 240.7 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 137.6 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (32%)

Requests Now

31

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Urgdiveclub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.urgdiveclub.org.au

www.urgdiveclub.org.au

44 ms

minified.js

minified.js

27 ms

focus-within-polyfill.js

focus-within-polyfill.js

26 ms

polyfill.min.js

polyfill.min.js

55 ms

thunderbolt-commons.81e79c4a.bundle.min.js

thunderbolt-commons.81e79c4a.bundle.min.js

111 ms

main.e8bb44c8.bundle.min.js

main.e8bb44c8.bundle.min.js

112 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

112 ms

lodash.min.js

lodash.min.js

122 ms

react.production.min.js

react.production.min.js

120 ms

react-dom.production.min.js

react-dom.production.min.js

122 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

120 ms

urg-logo-new-modified.png

urg-logo-new-modified.png

303 ms

bundle.min.js

bundle.min.js

64 ms

703037_3101d2261d404bc28d7190d4c8218164~mv2.jpg

703037_3101d2261d404bc28d7190d4c8218164~mv2.jpg

570 ms

IMG-20230722-WA0009.jpg

IMG-20230722-WA0009.jpg

457 ms

image.png

image.png

534 ms

Group%20Lecture.jpg

Group%20Lecture.jpg

344 ms

6e6413_3d3e56543033464ca186adf623c30993~mv2.webp

6e6413_3d3e56543033464ca186adf623c30993~mv2.webp

263 ms

6e6413_cd60235482a94181a6d4844110df692f~mv2.webp

6e6413_cd60235482a94181a6d4844110df692f~mv2.webp

262 ms

6e6413_cd60235482a94181a6d4844110df692f~mv2.webp

6e6413_cd60235482a94181a6d4844110df692f~mv2.webp

475 ms

71e406_9f72c6cb883b429db9a00c79f2876a02~mv2.webp

71e406_9f72c6cb883b429db9a00c79f2876a02~mv2.webp

268 ms

6e6413_dc926487af054d17beb8ee0ee907c35c~mv2.webp

6e6413_dc926487af054d17beb8ee0ee907c35c~mv2.webp

486 ms

6e6413_dc926487af054d17beb8ee0ee907c35c~mv2.webp

6e6413_dc926487af054d17beb8ee0ee907c35c~mv2.webp

473 ms

71e406_2908ee8ee2a241efa1c9afafd7f591c8~mv2.webp

71e406_2908ee8ee2a241efa1c9afafd7f591c8~mv2.webp

462 ms

71e406_d4ad13049825432c9c739552a9bb9eb6~mv2.webp

71e406_d4ad13049825432c9c739552a9bb9eb6~mv2.webp

468 ms

71e406_d4ad13049825432c9c739552a9bb9eb6~mv2.webp

71e406_d4ad13049825432c9c739552a9bb9eb6~mv2.webp

624 ms

merchandise.jpg

merchandise.jpg

749 ms

03f22a3cb4d543b9b7ffcaae2f53a15f.jpg

03f22a3cb4d543b9b7ffcaae2f53a15f.jpg

483 ms

123 ms

122 ms

121 ms

122 ms

120 ms

116 ms

132 ms

131 ms

158 ms

128 ms

125 ms

126 ms

Xyjz-jNkfiYuJf8UC3Lizw.woff

Xyjz-jNkfiYuJf8UC3Lizw.woff

4 ms

idLYXfFa1c7oAPILDl4z0fesZW2xOQ-xsNqO47m55DA.woff

idLYXfFa1c7oAPILDl4z0fesZW2xOQ-xsNqO47m55DA.woff

10 ms

50ac1699-f3d2-47b6-878f-67a368a17c41.woff

50ac1699-f3d2-47b6-878f-67a368a17c41.woff

11 ms

ca003289-5ee3-45c2-94ad-36c743c35fc1.woff

ca003289-5ee3-45c2-94ad-36c743c35fc1.woff

11 ms

49631ce8-9201-47a8-8874-45371417c35f.woff

49631ce8-9201-47a8-8874-45371417c35f.woff

10 ms

c81cca03-5f1a-4252-9950-096e60e2bde9.woff

c81cca03-5f1a-4252-9950-096e60e2bde9.woff

11 ms

yS165lxqGuDghyUMXeu6xT8E0i7KZn-EPnyo3HZu7kw.woff

yS165lxqGuDghyUMXeu6xT8E0i7KZn-EPnyo3HZu7kw.woff

11 ms

ZqlneECqpsd9SXlmAsD2Ez8E0i7KZn-EPnyo3HZu7kw.woff

ZqlneECqpsd9SXlmAsD2Ez8E0i7KZn-EPnyo3HZu7kw.woff

12 ms

e2b9cbeb-fa8e-41cd-8a6a-46044b29ba52.woff

e2b9cbeb-fa8e-41cd-8a6a-46044b29ba52.woff

11 ms

51v0xj5VPw1cLYHNhfd8ND8E0i7KZn-EPnyo3HZu7kw.woff

51v0xj5VPw1cLYHNhfd8ND8E0i7KZn-EPnyo3HZu7kw.woff

13 ms

-HJgNsTwx9qXGSxqew62RQ.woff

-HJgNsTwx9qXGSxqew62RQ.woff

12 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

21 ms

deprecation-style.v5.css

deprecation-style.v5.css

6 ms

right-arrow.svg

right-arrow.svg

7 ms

Accessibility Review

urgdiveclub.org.au accessibility score

83

Accessibility Issues

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-*] attributes do not match their roles

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

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

urgdiveclub.org.au best practices score

92

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

Page has valid source maps

SEO Factors

urgdiveclub.org.au SEO score

89

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

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 Urgdiveclub.org.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 Urgdiveclub.org.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

urgdiveclub.org.au

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