№ 17

Certification

Expertise · Expertise

SEO impact High

Effort Medium

Estimated ROI Good

Definition

A recognized professional certification (Google, AWS, professional body, etc.).

Why it matters for Google

Validation by an independent third party, verifiable.

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

Reinforced requirement on YMYL topics

Full guide coming soon

Actions to implement

01
Link to verification
02
Expiry date
03
Official logo

Combine with

Dp Degree Pb Publication Cf2 Speaker Xp Years of XP

Check off your progress, saved in your browser.

Link to verificationExpiry dateOfficial logoMeasure 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 levelHigh

Implementation difficultyMedium

Time to result1 – 3 months

Pillar reinforcedExpertise

YMYL requirementReinforced

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