SEO articles: tips and strategies to grow your organic traffic

21/10/2026

AI SEO agency: 15 questions, and why 14 of 27 quote someone else’s numbers

27 French SEO agency websites measured. Seven publish a number committing their own work, fourteen only quote third-party studies.

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9/10/2026

SEO

Google core updates: 5 questions before you blame the update

16 Search Console properties and 492 days of daily clicks matched against Google’s official update calendar. Across 6 measurable updates, 70.8% of sites never move beyond their own noise.

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E-E-A-T measurable signals SEO agencies Vydera

5/10/2026

SEO

E-E-A-T: the signals Google actually reads on your site

Eleven E-E-A-T signals measured across 17 French SEO agencies and 170 articles. Published scale, full ranking, self-assessment grid.

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23/9/2026

SEO

The SEO and AEO dashboard: 9 blocks, and why three will never agree

Seventeen endpoints probed one by one: freshness, ceilings and costs measured block by block. Plus three blocks of the same dashboard that never agree on a total.

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SEO and AEO dashboard data sources Vydera

23/9/2026

SEO

The SEO and AEO dashboard: 9 blocks, and why three will never agree

Seventeen endpoints probed one by one: freshness, ceilings and costs measured block by block. Plus three blocks of the same dashboard that never agree on a total.

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Rank tracking Search Console position gap Vydera

21/9/2026

SEO

Rank tracking: your tool measures one country, not your traffic

30 queries, Search Console average position against a SERP pulled the same morning. On 18 of them, the comparison never even happens.

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19/9/2026

SEO

SEO ROI: the three assumptions nobody measures

The three inputs of an SEO ROI calculation, measured on our own Search Console. None of them holds. The calculator outputs a range, not a number.

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SEO ROI calculation assumptions measured Vydera

19/9/2026

SEO

SEO ROI: the three assumptions nobody measures

The three inputs of an SEO ROI calculation, measured on our own Search Console. None of them holds. The calculator outputs a range, not a number.

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17/9/2026

SEO

SEO KPIs: 20 tested one by one, 12 drive decisions, 8 don't

20 KPIs called one by one on their endpoint, HTTP code included. 12 drive decisions, 8 do not. And Search Console shows only 30% of our site's clicks.

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17/9/2026

SEO

SEO KPIs: 20 tested one by one, 12 drive decisions, 8 don't

20 KPIs called one by one on their endpoint, HTTP code included. 12 drive decisions, 8 do not. And Search Console shows only 30% of our site's clicks.

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15/9/2026

SEO

SEO migration: the real risk isn't the bad redirect, it's the abandoned page

883 URLs followed hop by hop across 23 public domains. The dominant defect is not the redirect to the home page: it is the old URL left to 404.

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13/9/2026

SEO

hreflang: across 19 multilingual sites, the top defect is a forgotten template

19 multilingual sites, 110 pages, 790 hreflang declarations measured. The classic syntax errors have gone. What is missing is markup on entire templates.

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