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robotzilla.com.au screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

robotzilla.com.au

Coding + Robots | RobotZilla - Kid's Coding Class & Robotics Class

Page Load Speed

3.1 sec in total

First Response

697 ms

Resources Loaded

1.7 sec

Page Rendered

749 ms

robotzilla.com.au screenshot

About Website

Welcome to robotzilla.com.au homepage info - get ready to check Robot Zilla best content right away, or after learning these important things about robotzilla.com.au

Kid's coding class & robotics class in Castle Hill, Baulkham Hills and Kellyville. RobotZilla is a like-minded kids coding community, with STEM professional mentors, coaches and teachers.

Visit robotzilla.com.au

Key Findings

We analyzed Robotzilla.com.au page load time and found that the first response time was 697 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

robotzilla.com.au performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

robotzilla.com.au

697 ms

www.robotzilla.com.au

268 ms

tailwind-a4780de35e262ddfc4351b3d8460c31ef218debb2d6de8d1bdcb7978ec6e899a.css

16 ms

inter-font-8c3e82affb176f4bca9616b838d906343d1251adc8408efe02cf2b1e4fcf2bc4.css

21 ms

application-68076cc0482f28bb95b525eb8c8f0563631a51a689a2614a83d08ae40a531834.css

29 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 61% of them (28 requests) were addressed to the original Robotzilla.com.au, 13% (6 requests) were made to Fonts.gstatic.com and 11% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (697 ms) belongs to the original domain Robotzilla.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.1 kB (3%)

Content Size

3.9 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Robotzilla.com.au main page is 3.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 67.6 kB

  • Original 78.9 kB
  • After minification 62.8 kB
  • After compression 11.3 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 16.1 kB, which is 20% 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 67.6 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 41.1 kB

  • Original 3.5 MB
  • After minification 3.5 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. Robot Zilla images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.5 kB

  • Original 170.2 kB
  • After minification 170.2 kB
  • After compression 167.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 3.8 kB

  • Original 88.0 kB
  • After minification 88.0 kB
  • After compression 84.2 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. Robotzilla.com.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (27%)

Requests Now

37

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robot Zilla. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

robotzilla.com.au

robotzilla.com.au

697 ms

www.robotzilla.com.au

www.robotzilla.com.au

268 ms

tailwind-a4780de35e262ddfc4351b3d8460c31ef218debb2d6de8d1bdcb7978ec6e899a.css

tailwind-a4780de35e262ddfc4351b3d8460c31ef218debb2d6de8d1bdcb7978ec6e899a.css

16 ms

inter-font-8c3e82affb176f4bca9616b838d906343d1251adc8408efe02cf2b1e4fcf2bc4.css

inter-font-8c3e82affb176f4bca9616b838d906343d1251adc8408efe02cf2b1e4fcf2bc4.css

21 ms

application-68076cc0482f28bb95b525eb8c8f0563631a51a689a2614a83d08ae40a531834.css

application-68076cc0482f28bb95b525eb8c8f0563631a51a689a2614a83d08ae40a531834.css

29 ms

cdn.min.js

cdn.min.js

82 ms

es-module-shims.min-4ca9b3dd5e434131e3bb4b0c1d7dff3bfd4035672a5086deec6f73979a49be73.js

es-module-shims.min-4ca9b3dd5e434131e3bb4b0c1d7dff3bfd4035672a5086deec6f73979a49be73.js

34 ms

aaDKpr1OMjg

aaDKpr1OMjg

139 ms

logo.png

logo.png

37 ms

hero-home.png

hero-home.png

49 ms

checkmark.svg

checkmark.svg

33 ms

home-blocks-01.jpg

home-blocks-01.jpg

40 ms

home-blocks-02.jpg

home-blocks-02.jpg

40 ms

home-blocks-03.jpg

home-blocks-03.jpg

42 ms

home-blocks-04.jpg

home-blocks-04.jpg

41 ms

about-team-01.jpg

about-team-01.jpg

51 ms

about-team-02.jpg

about-team-02.jpg

50 ms

about-team-03.jpg

about-team-03.jpg

49 ms

about-team-04.jpg

about-team-04.jpg

50 ms

curved-dotted-line.svg

curved-dotted-line.svg

45 ms

program-01.jpg

program-01.jpg

54 ms

looped-dotted-line.svg

looped-dotted-line.svg

52 ms

program-02.jpg

program-02.jpg

56 ms

program-03.jpg

program-03.jpg

55 ms

testimonial-01.jpg

testimonial-01.jpg

55 ms

testimonial-02.jpg

testimonial-02.jpg

56 ms

testimonial-03.jpg

testimonial-03.jpg

70 ms

testimonial-04.jpg

testimonial-04.jpg

72 ms

question-mark.svg

question-mark.svg

70 ms

bulb.svg

bulb.svg

71 ms

css2

css2

41 ms

cdn.min.js

cdn.min.js

16 ms

www-player.css

www-player.css

9 ms

www-embed-player.js

www-embed-player.js

32 ms

base.js

base.js

73 ms

ad_status.js

ad_status.js

180 ms

6mt_jkCC8QEMfVv4UaXe0WVRezbgElH9_VSMBGBwk28.js

6mt_jkCC8QEMfVv4UaXe0WVRezbgElH9_VSMBGBwk28.js

101 ms

embed.js

embed.js

35 ms

KFOmCnqEu92Fr1Me5WZNCzc.ttf

KFOmCnqEu92Fr1Me5WZNCzc.ttf

43 ms

KFOlCnqEu92Fr1MmEU9vAx0_IsE.ttf

KFOlCnqEu92Fr1MmEU9vAx0_IsE.ttf

163 ms

KFOlCnqEu92Fr1MmWUlvAx0_IsE.ttf

KFOlCnqEu92Fr1MmWUlvAx0_IsE.ttf

176 ms

KFOlCnqEu92Fr1MmYUtvAx0_IsE.ttf

KFOlCnqEu92Fr1MmYUtvAx0_IsE.ttf

176 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

166 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

167 ms

id

id

21 ms

Create

Create

161 ms

Accessibility Review

robotzilla.com.au accessibility score

67

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

robotzilla.com.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

High

Page has valid source maps

SEO Factors

robotzilla.com.au SEO score

77

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robotzilla.com.au 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 Robotzilla.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

robotzilla.com.au

Open Graph description is not detected on the main page of Robot Zilla. 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: