Science.org.au Site Title

Australian Academy of Science

Science.org.au Test Results

science.org.au Mobile Usability: 100/100


science.org.au Mobile Speed: 19/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.4MiB (76% reduction).
Compressing https://www.science.org.au/sites/default/files/homepage-banners/Measles-for-travellers-thumbnail-16x9.jpg could save 985.4KiB (77% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 26 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
https://www.science.org.au/misc/jquery.js?v=1.4.4
...
Optimize CSS Delivery of the following:
https://www.science.org.au/sites/default/files/advagg_css/css__whk8VvvcCydZqr0VzH0qgqJnEDCmL0vQIdhuAnytNd8__nwhbevxy2CtPEnwYyp3Jwmx7leROjyXBwbZGqJTOxGc__yPgagDsok3hCHjEyLUqPYTBEtMwKI4Fjk8W1Ki9rMDM.css
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 374.2KiB (68% reduction).
Compressing https://www.science.org.au/sites/all/themes/simpleclean/js/jquery-ui.min.js?pytsw7 could save 163.4KiB (73% reduction).
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Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
63.9KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.
Only about 60% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
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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 52.1KiB (52% reduction).
Minifying https://www.science.org.au/misc/ajax.js?v=7.66 could save 14.4KiB (58% reduction).
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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://connect.facebook.net/en_US/sdk.js (20 minutes)
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