͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏
͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏
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#### Editor’s note
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There’s a cautionary tale in this issue, warning of easy web performance wins through third party plugins and tools promising vast improvements with very little work. We know that very few things in life come for free, and this is true for web performance. But in a field so heavily relying on metrics, charts and data, how could they be lying?
As much as we use data to back up theories, demonstrate proof of concept, numbers only tell a partial story. Lived experience > data points.
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Karolina
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####
What’s Performance newsletter?
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Performance Newsletter is a
fortnightly mailing by
[Calibre](https://calibreapp.com), featuring web performance
tools, talks and resources.
Don’t worry—we don’t spam. If
you’d like to leave,
[unsubscribe]()
at any time. Suggest content
[here.
](mailto:[email protected])
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# Articles
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### [Don’t get scammed by fake performance experts and apps](https://performance.shopify.com/blogs/blog/don-t-get-scammed-by-fake-performance-experts-and-apps)
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[Mateusz Krzeszowiak](https://www.linkedin.com/in/mateusz-krzeszowiak/)
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Thought you were getting a performance quick fix? Learn how the team at Shopify exposed hacks to fake a higher Lighthouse scores, which had zero positive effect on user experience.
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# Courses, Talks & Podcasts
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### [Deciphering INP and Core Web Vitals](https://www.youtube.com/watch?v=QdcKuo-N3kU&ab_channel=GoogleSearchCentral)
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[John Mueller](https://johnmu.com/), [L](http://)[izzi Sassman](https://www.linkedin.com/in/okaylizzi/) & [Rick Viscomi](https://rviscomi.dev/)
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Tune in to find out why Core Web Vitals are an accessibility issue and how to use them to find out if your site is preventing the user from completing their journey.
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