Tag Archives: Best Practices

Fixit – DNS Lookups

This test determines if your page uses more domain names than best practice recommends. Each unique domain name referenced by a webpage requires an additional DNS lookup, a timely network process that will ultimately slow the page loading. Grouping content on a small number of domains ensures the browser can quickly iterate through DNS lookups and proceed with page loading...

Fixit – Duplicate Resources

This test determines if your page makes use of duplicated resources. Including the same Javascript file or CSS file for instance will likely result in double the transfer time and will impact page load time. Duplication of page resources is typically the result of human error and should be avoided whenever possible...

Fixit – ETag Support

This test determines if your page resources are delivered using valid Etag caching support. Etags allow the browser to better understand which content can be cached and which should be re-validated on each page load...

Fixit – DOM Size

This test determines if your page DOM (Document Object Model) is excessively large. Larger page DOMs require more memory and their extra complexity require additional data transfer time. Reducing the DOM complexity and size drastically affects page load time...

Fixit – Redirect On Load

This test determines if your page experiences any redirects on initial load. Redirects require the browser to resend page requests and significantly increases initial page load time...

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