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SEO agency rankings

Institut du référencement, SEO agency in Lyon

In 2026, Institut du référencement is one of the 62 SEO agencies listed in Lyon. Its strengths: fast website (Lighthouse 91), 2 SEO case studies with client results, and published prices.

2026 ranking · updated

01

Identity

The agency’s identity from the company register
Legal nameSTRENT
Legal formSAS
Company number (SIREN)898751714
Founded2021
OfficesLyon (head office)
Websiteinstitut-du-referencement.com (opens in a new tab)

Source: Sirene register, collected September 24, 2026.

03

Score by criteria group

Institut du référencement’s score by family, out of 100 (80 means it does better than 80% of the agencies compared), and the weight of each family.
GroupWeightScore
Visibility on Google20%34.7/100
Visibility in AI search (beta)10%40.4/100
Website technical setup10%54.7/100
Offer5%75.9/100
Published proof25%75/100
Client results15%not scored
Editorial selection15%not scored
Visibility on Google34.7/100
Visibility on Google: collected values
CriterionValueSource and date
Position on Google (Lyon)beyond position 100Google organic and local results (via DataForSEO) (our measurement)
Position on Google (France)beyond position 100Google organic and local results (via DataForSEO) (our measurement)
Position on Google Maps (Lyon)#51 for “agence référencement lyon”Google organic and local results (via DataForSEO) (our measurement)
Estimated organic traffic18 visits a monthSearch traffic and search volume estimates (DataForSEO Labs) (our measurement)
Domain Rating (Ahrefs)31/100Domain Rating by Ahrefs
Visibility in AI search (beta)40.4/100
Visibility in AI search (beta): collected values
CriterionValueSource and date
Cited by AIs (Lyon)0 of 9 answersGoogle AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement)
Cited by AIs (France)0 of 9 answersGoogle AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement)
Cited in Google AI Overviews (Lyon)Not available (neutral in the score)Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement)
Cited in Google AI Overviews (France)Not available (neutral in the score)Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement)
Publishes llms.txtNoAgency website (our measurement)
Lets AI crawlers read its siteYesAgency website (our measurement)
Website technical setup54.7/100
Website technical setup: collected values
CriterionValueSource and date
Lighthouse performance91/100Lighthouse (mobile) (our measurement)
Lighthouse SEO100/100Lighthouse (mobile) (our measurement)
Lighthouse accessibility87/100Lighthouse (mobile) (our measurement)
Lighthouse best practices77/100Lighthouse (mobile) (our measurement)
Structured dataYesAgency website (our measurement)
Valid sitemapYesAgency website (our measurement)
Pages updated in the last 90 days0Agency website (our measurement)
Offer75.9/100
Offer: collected values
CriterionValueSource and date
Publishes its pricesYesAgency website, read and labelled offline (case studies, prices, team) (our measurement)
Page showing who works thereYesAgency website, read and labelled offline (case studies, prices, team) (our measurement)
Years in business5 yearsSirene and company complements (API Recherche d’entreprises)
Published proof75/100
Published proof: collected values
CriterionValueSource and date
Published proof75/100Agency website, read and labelled offline (case studies, prices, team) (our measurement)

The case studies read on its website

Client resultsnot scored

No proof yet. Its absence is neutral in the score: it never penalizes the agency.

Editorial selectionnot scored

No editorial selection yet.

05

Reviews

We never reuse ratings or reviews from other platforms. Reviews from its clients will appear here from 3 reviews.

See their reviews on Google (opens in a new tab)

06

How Institut du référencement can improve

These levers come from the measured criteria: each one can raise the score.

  • Reach the first page of Google for “SEO agency Lyon” searches.
  • Get cited by AIs (Google AI Mode, ChatGPT, Gemini) on its city’s searches.
  • Improve its website’s accessibility (Lighthouse: 87/100).
  • Publish an llms.txt file.
  • Claim the profile to add its client results (Search Console).

07

Badges and embeds

Copy the code and paste it into your website, WordPress included. The image updates with every new edition of the ranking, so the code never changes.

  • Badge · Top 25% · Best SEO agencies · France · E-commerce SEO · 2026

    Top 25% · Best SEO agencies · France · E-commerce SEO · 2026
    Show the code
    <a href="https://contenttosocial.com/seo-agencies/france/ecommerce"><img src="https://contenttosocial.com/badges/institut-du-referencement-lyon/seo-agencies-france-ecommerce.svg" alt="Institut du référencement, Top 25% in the Contenttosocial ranking 2026" width="213" height="78"></a>
  • Badge · Top 25% · Best SEO agencies · France · B2B and industry · 2026

    Top 25% · Best SEO agencies · France · B2B and industry · 2026
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    <a href="https://contenttosocial.com/seo-agencies/france/b2b"><img src="https://contenttosocial.com/badges/institut-du-referencement-lyon/seo-agencies-france-b2b.svg" alt="Institut du référencement, Top 25% in the Contenttosocial ranking 2026" width="213" height="78"></a>
  • Badge · Top 30% · Best SEO agencies · France · Agencies of 1–10 people · 2026

    Top 30% · Best SEO agencies · France · Agencies of 1–10 people · 2026
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    <a href="https://contenttosocial.com/seo-agencies/france/1-10-people"><img src="https://contenttosocial.com/badges/institut-du-referencement-lyon/seo-agencies-france-1-10-people.svg" alt="Institut du référencement, Top 30% in the Contenttosocial ranking 2026" width="224" height="78"></a>
  • Badge · Top 10% · Best SEO agencies · France · Clearest offer · 2026

    Top 10% · Best SEO agencies · France · Clearest offer · 2026
    Show the code
    <a href="https://contenttosocial.com/seo-agencies/france/clearest-offer"><img src="https://contenttosocial.com/badges/institut-du-referencement-lyon/seo-agencies-france-clearest-offer.svg" alt="Institut du référencement, Top 10% in the Contenttosocial ranking 2026" width="213" height="78"></a>
  • Badge · Top 25% · Best SEO agencies · Lyon · E-commerce SEO · 2026

    Top 25% · Best SEO agencies · Lyon · E-commerce SEO · 2026
    Show the code
    <a href="https://contenttosocial.com/seo-agencies/france/lyon/ecommerce"><img src="https://contenttosocial.com/badges/institut-du-referencement-lyon/seo-agencies-lyon-ecommerce.svg" alt="Institut du référencement, Top 25% in the Contenttosocial ranking 2026" width="200" height="78"></a>
  • Badge · Top 25% · Best SEO agencies · Lyon · Agencies of 1–10 people · 2026

    Top 25% · Best SEO agencies · Lyon · Agencies of 1–10 people · 2026
    Show the code
    <a href="https://contenttosocial.com/seo-agencies/france/lyon/1-10-people"><img src="https://contenttosocial.com/badges/institut-du-referencement-lyon/seo-agencies-lyon-1-10-people.svg" alt="Institut du référencement, Top 25% in the Contenttosocial ranking 2026" width="224" height="78"></a>
  • Badge · Top 10% · Best SEO agencies · Lyon · Clearest offer · 2026

    Top 10% · Best SEO agencies · Lyon · Clearest offer · 2026
    Show the code
    <a href="https://contenttosocial.com/seo-agencies/france/lyon/clearest-offer"><img src="https://contenttosocial.com/badges/institut-du-referencement-lyon/seo-agencies-lyon-clearest-offer.svg" alt="Institut du référencement, Top 10% in the Contenttosocial ranking 2026" width="200" height="78"></a>

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<p><a href="https://contenttosocial.com/seo-agencies/agency/institut-du-referencement-lyon">See Institut du référencement on Contenttosocial</a></p>

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