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britannica.com.au screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

britannica.com.au

Britannica Australia - Reference & Education Publishing

Page Load Speed

3 sec in total

First Response

61 ms

Resources Loaded

1.9 sec

Page Rendered

1 sec

britannica.com.au screenshot

About Website

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

The world standard in knowledge since 1768. Supporting students, educators, communities and life-long learners in Australia, New Zealand and Asia.

Visit britannica.com.au

Key Findings

We analyzed Britannica.com.au page load time and found that the first response time was 61 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

britannica.com.au performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

britannica.com.au

61 ms

britannica.com.au

52 ms

pqe5nml.css

123 ms

styles.css

18 ms

style.css

74 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 85% of them (41 requests) were addressed to the original Britannica.com.au, 6% (3 requests) were made to Use.typekit.net and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 209.2 kB (17%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Britannica.com.au main page is 1.2 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 978.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 41.2 kB

  • Original 50.4 kB
  • After minification 42.3 kB
  • After compression 9.2 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 8.2 kB, which is 16% 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 41.2 kB or 82% of the original size.

Image Optimization

-17%

Potential reduce by 164.3 kB

  • Original 978.2 kB
  • After minification 813.9 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. Obviously, Britannica needs image optimization as it can save up to 164.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 2.3 kB

  • Original 88.2 kB
  • After minification 88.2 kB
  • After compression 86.0 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 1.5 kB

  • Original 119.4 kB
  • After minification 119.4 kB
  • After compression 118.0 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. Britannica.com.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (60%)

Requests Now

43

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Britannica. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

britannica.com.au

britannica.com.au

61 ms

britannica.com.au

britannica.com.au

52 ms

pqe5nml.css

pqe5nml.css

123 ms

styles.css

styles.css

18 ms

style.css

style.css

74 ms

style.css

style.css

90 ms

dashicons.min.css

dashicons.min.css

91 ms

genericons.css

genericons.css

97 ms

font-awesome.min.css

font-awesome.min.css

96 ms

all.min.css

all.min.css

95 ms

app.css

app.css

127 ms

jquery.min.js

jquery.min.js

118 ms

form.js

form.js

93 ms

lazysizes.unveilhooks.min.js

lazysizes.unveilhooks.min.js

90 ms

form.js

form.js

93 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

90 ms

wp-polyfill.min.js

wp-polyfill.min.js

91 ms

hooks.min.js

hooks.min.js

105 ms

i18n.min.js

i18n.min.js

109 ms

lodash.min.js

lodash.min.js

109 ms

url.min.js

url.min.js

114 ms

api-fetch.min.js

api-fetch.min.js

115 ms

index.js

index.js

117 ms

app.js

app.js

171 ms

ajax-filter.js

ajax-filter.js

117 ms

hoverIntent.min.js

hoverIntent.min.js

119 ms

maxmegamenu.js

maxmegamenu.js

120 ms

public.js

public.js

118 ms

p.css

p.css

69 ms

gtm.js

gtm.js

1277 ms

logo-1.svg

logo-1.svg

1116 ms

point-01.svg

point-01.svg

1015 ms

point-02.svg

point-02.svg

1008 ms

point-03.svg

point-03.svg

1010 ms

home-hero.jpg

home-hero.jpg

1017 ms

fold-white.svg

fold-white.svg

989 ms

Singapore-mobile-library-photo-1024x788-1.jpg

Singapore-mobile-library-photo-1024x788-1.jpg

1039 ms

britannica-timeline-1c.png

britannica-timeline-1c.png

1037 ms

britannica-timeline-3c.png

britannica-timeline-3c.png

1019 ms

britannica-timeline-5d.png

britannica-timeline-5d.png

1018 ms

britannica-timeline-4c.png

britannica-timeline-4c.png

1016 ms

britannica-timeline-6d.png

britannica-timeline-6d.png

1037 ms

britannica-timeline-7c.png

britannica-timeline-7c.png

1019 ms

logo-white.svg

logo-white.svg

1020 ms

linked-in-icon.png

linked-in-icon.png

1039 ms

d

d

151 ms

d

d

152 ms

wARDj0u

wARDj0u

95 ms

Accessibility Review

britannica.com.au accessibility score

82

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

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

britannica.com.au best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

britannica.com.au SEO score

91

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

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

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 Britannica.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 Britannica.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

britannica.com.au

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