№ 20

Years of XP

Expertise · Expertise

SEO impact Medium

Effort Easy

Estimated ROI Good

Definition

Explicit mention of the number of years practicing in the field.

Why it matters for Google

A signal of accumulated depth of expertise.

Context within the E-E-A-T framework

Expertise

Demonstration of deep formal or technical knowledge.

Official reference

Google Quality Rater Guidelines (Sept. 2025) ↗

Section 3.4 · 2.5.2

Standard requirement

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Actions to implement

01
Precise figure
02
Key periods
03
Progression

Combine with

Dp Degree Cf Certification Pb Publication Cf2 Speaker

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Precise figureKey periodsProgressionMeasure impact 30 days after implementation (GSC)Compare results at D+90 with a control pageAdd this element to the quarterly E-E-A-T auditDocument the implementation in the editorial logbook

Priority levelMedium

Implementation difficultyEasy

Time to result1 – 4 weeks

Pillar reinforcedExpertise

YMYL requirementStandard

QRG section3.4 · 2.5.2

How to measure success

Audit the page before / after implementation (Screaming Frog + GSC)
Track the average position on targeted queries in Google Search Console
Watch organic CTR at D+30 and D+90
Compare with a control page that did not get the signal
Add this element to a quarterly E-E-A-T audit grid