Usability.gov Site Title
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Usability.gov Meta Description
Usability.gov is the one-stop source for user experience best practices and strategies. Learn how to create more usable, useful, and accessible websites.
Usability.gov Test Results
usability.gov Mobile Usability: 100/100
usability.gov Mobile Speed: 50/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 25 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.usability.gov/misc/jquery.once.js?v=1.2
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Optimize CSS Delivery of the following:
https://www.usability.gov/modules/system/system.base.css?prseg1
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Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://usability.gov/
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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://www.usability.gov/sites/default/files/images/footer-logo.png (expiration not specified)
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Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 64.6KiB (85% reduction).
Compressing https://www.usability.gov/sites/default/files/images/rss-image-footer.png could save 49.7KiB (97% reduction).
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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 13.8KiB (71% reduction).
Compressing https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=hhs&subagency=aspa&sitetopic=health&siteplatform=drupal%207%20&sdor=usability.gov&dclink=true&yt=true&pua=UA-36351725-9&autotracker=true&sp=sitesearchtracking,q&enhlink=true¶llelcd=true&palagencydim=dimension1|1&palsubagencydim=dimension2|2&palversiondim=dimension3|3&paltopicdim=dimension4|4&paltopicdim=dimension5|5&cto=24 could save 13.4KiB (73% reduction).
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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 7.9KiB (26% reduction).
Minifying https://www.usability.gov/sites/default/themes/usability/css/style.css?prseg1 could save 2.8KiB (27% reduction) after compression.
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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 7.2KiB (57% reduction).
Minifying https://www.usability.gov/misc/drupal.js?prseg1 could save 4.4KiB (64% reduction) after compression.
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