The Hidden Truth Behind Your Google Lighthouse Score

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The Hidden Truth Behind Your Google Lighthouse Score! Aymen Loukil Speetals Founder https://speetals.com/

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@LoukilAymen @SearchLDN Back to 2017, this was my #webperf workﬂow Audit in Lab Write user stories Implement Test in Lab

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@LoukilAymen @SearchLDN Awesome!

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@LoukilAymen @SearchLDN Me excited Ship it!

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@LoukilAymen @SearchLDN We need to wait for the next CrUX dataset (in 28 days) [Every second Tuesday]

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@LoukilAymen @SearchLDN Users faced improvement deterioration! Feb 2020 Mar 2020 73% => 70.8%

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@LoukilAymen @SearchLDN A shot in the dark!

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@LoukilAymen @SearchLDN

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@LoukilAymen @SearchLDN I’ve also been part of this!

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@LoukilAymen @SearchLDN

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@LoukilAymen @SearchLDN Gabriela Palai - Pexels What’s wrong with Lighthouse score…?

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@LoukilAymen @SearchLDN One LH run may or not represent one of your users

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@LoukilAymen @SearchLDN Emulation isn’t real life..

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@LoukilAymen @SearchLDN 50% of perfect Lighthouse score (90+) pages fail at Web Vitals Brendan Kenny @brendankenny

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@LoukilAymen @SearchLDN With a score of 50/100, many pages passes the Web Vitals Brendan Kenny @brendankenny

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@LoukilAymen @SearchLDN There is a blind spot!

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@LoukilAymen @SearchLDN Are they at least talking the same metrics?

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@LoukilAymen @SearchLDN Ultimately they don’t share as many metrics!

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@LoukilAymen @SearchLDN Ultimately they don’t share as many metrics! Above the fold only CLS

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@LoukilAymen @SearchLDN Ultimately they don’t share as many metrics! Above the fold only CLS Depends on conditions

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@LoukilAymen @SearchLDN Variability issues 3 consecutive runs on the same page and on same conditions

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@LoukilAymen @SearchLDN It is like Rock paper scissors

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@LoukilAymen @SearchLDN You can easily trick it! Barry Pollard @tunetheweb

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@LoukilAymen @SearchLDN My customer’s Web agency

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@LoukilAymen @SearchLDN You can even hack it!

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@LoukilAymen @SearchLDN Lighthouse score does not aﬀect SEO

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@LoukilAymen @SearchLDN Do you mainly care about your users or Lighthouse score

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@LoukilAymen @SearchLDN So..Rely on your Users’ data, And here is how👉

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@LoukilAymen @SearchLDN Remember my failed #webperf workﬂow? Audit in Lab Write user stories Implement Test in Lab https://www.vectorstock.com/ https://knowyourmeme.com/

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@LoukilAymen @SearchLDN Audit in field Prioritize Implement Test in Lab Fast validate on users Hear your users experience, validate your effort with them Iterate User first #webperf workflow

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Audit in the ﬁeld (Hear your users experience) STEP 1

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@LoukilAymen @SearchLDN Identify improvement points for each metric/ device

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@LoukilAymen @SearchLDN Identify improvement points for each metric/ device Detect distribution gaps between devices

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@LoukilAymen @SearchLDN See how your audience LCP distributes

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@LoukilAymen @SearchLDN See how your audience distributes 75% of your users are facing a 6.1s LCP loading!!

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@LoukilAymen @SearchLDN Compare against competition’ audience experiences

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@LoukilAymen @SearchLDN How my geo-audience is experiencing it

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Prioritize. (Do the right thing ﬁrst) STEP 2

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@LoukilAymen @SearchLDN Sort your top page-types per metric Domain data Page-level data

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@LoukilAymen @SearchLDN Identify low-hanging fruits Start with this listing page template

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Implement & Audit in lab. (Implement, test) STEP 3

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Validate the outcomes. (Don’t wait 28 days..) STEP 4

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@LoukilAymen @SearchLDN 34%+ Desktop CLS increase in 10 days - PDP Validated Deployed

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@LoukilAymen @SearchLDN LCP P75th percentile chart going down! 4.2s => 2.3s

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Thank you! Aymen Loukil @LoukilAymen https://speetals.com International SEO and Web Performance Consultant