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Tuesday, April 30, 2024

Google Chrome Lighthouse 10 Contains Two New Audits - Search Engine Journal

Last updated Thursday, February 16, 2023 07:05 ET , Source: NewsService

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The newly released Lighthouse 10, the technology underlying PageSpeed Insights and Chrome DevTools, introduces two new site audits. These audits should be useful as part of audit because they pertain to site security and user experience factors.

Technically, one of the audits is an expansion of a previous audit, but it’s essentially a new audit.

Lighthouse contains several kinds of audits, including, Accessibility Audits, Best Practices Audits, Performance Audits, Progressive Web Apps Audits and an SEO Audit.

These two new audits are from two different audits within Lighthouse. One is a part of the Best Practices audit and the other is from the Performance audits category.

New Back/forward Cache Audit

Something that isn’t ordinarily thought of is that Back/forward cache, also known as bfcache.

bfcache is a cache that is enabled with optimization that allows webpages to instantly load when a user navigates back or forward within a website.

Websites without bfcache enabled force site visitors to download webpages a second time when they navigate backwards and forwards within a website.

But with bfcache enabled the same site visitors experience instant loading.

Google’s developer page about bfcache explains it like this:

“The back/forward cache (bfcache) stores a snapshot of the page in memory for when the page is...



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