Ato.gov.au Site Title

Home page | Australian Taxation Office

Ato.gov.au Test Results

Ato.gov.au Mobile Usability: 100/100

Ato.gov.au Mobile Speed: 36/100

Quick overview:
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://www.ato.gov.au/js/vendor/jquery-1.11.2.min.js (expiration not specified)
...
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 516.1KiB (69% reduction).
Compressing https://publish.viostream.com/content/combine/js/jquery.js?651510 could save 187.1KiB (71% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 9 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.ato.gov.au/WorkArea/FrameworkUI/js/ektron.javascript.ashx?id=-1028355414+1948574407+-1253165105+2057739989
...
Optimize CSS Delivery of the following:
https://www.ato.gov.au/WorkArea/FrameworkUI/css/ektron.stylesheet.ashx?id=-1759591071+-1510701721+1594843871
...
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 253.2KiB (41% reduction).
Minifying https://publish.viostream.com/content/combine/js/jquery.js?651510 could save 124.8KiB (48% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 80.5KiB (48% reduction).
Losslessly compressing https://www.ato.gov.au/uploadedImages/Content/Images/ATOtv_thumbnails/Employee-vs-contractor.jpg?n=4631 could save 25.6KiB (47% reduction).
...
Reduce server response time
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 6.4KiB (19% reduction).
Minifying https://www.ato.gov.au/misc/css/global.css could save 4.4KiB (17% reduction) after compression.
...

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