№ 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

Read the full guide →

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

Read the full guide →

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