SEO agency rankings
Size Up, SEO agency in Rennes
In 2026, Size Up is one of the 30 SEO agencies listed in Rennes. Its strengths: cited by AIs (Google AI Mode, ChatGPT, Gemini), published prices, and publishes llms.txt.
2026 ranking · updated
01
Identity
| Legal name | WIBIZ |
|---|---|
| Legal form | SARL |
| Company number (SIREN) | 922782495 |
| Founded | 2023 |
| Offices | Rennes (head office) |
| Website | size-up.io (opens in a new tab) |
Source: Sirene register, collected September 24, 2026.
02
Rankings
- Best SEO agencies in Renneslisted, not numbered
- Best SEO agencies in Brittanylisted, not numbered
- Best SEO agencies in Francelisted, not numbered
- Best GEO agencies in Renneslisted, not numbered
- Best GEO agencies in Brittanylisted, not numbered
- Best GEO agencies in Francelisted, not numbered
03
Score by criteria group
| Group | Weight | Score |
|---|---|---|
| Visibility on Google | 20% | 50.3/100 |
| Visibility in AI search (beta) | 10% | 70/100 |
| Website technical setup | 10% | 42.6/100 |
| Offer | 5% | 59/100 |
| Published proof | 25% | 20/100 |
| Client results | 15% | not scored |
| Editorial selection | 15% | not scored |
Visibility on Google50.3/100
| Criterion | Value | Source and date |
|---|---|---|
| Position on Google (Rennes) | beyond position 100 | Google organic and local results (via DataForSEO) (our measurement) |
| Position on Google (France) | beyond position 100 | Google organic and local results (via DataForSEO) (our measurement) |
| Position on Google Maps (Rennes) | #4 for “agence seo rennes” | Google organic and local results (via DataForSEO) (our measurement) |
| Estimated organic traffic | 240 visits a month | Search traffic and search volume estimates (DataForSEO Labs) (our measurement) |
| Domain Rating (Ahrefs) | 7/100 | Domain Rating by Ahrefs |
Visibility in AI search (beta)70/100
| Criterion | Value | Source and date |
|---|---|---|
| Cited by AIs (Rennes) | 2 of 9 answers | Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement) |
| Cited by AIs (France) | 0 of 9 answers | Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement) |
| Cited in Google AI Overviews (Rennes) | No | 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.txt | Yes | Agency website (our measurement) |
| Lets AI crawlers read its site | Yes | Agency website (our measurement) |
Website technical setup42.6/100
| Criterion | Value | Source and date |
|---|---|---|
| Lighthouse performance | 68/100 | Lighthouse (mobile) (our measurement) |
| Lighthouse SEO | 100/100 | Lighthouse (mobile) (our measurement) |
| Lighthouse accessibility | 92/100 | Lighthouse (mobile) (our measurement) |
| Lighthouse best practices | 92/100 | Lighthouse (mobile) (our measurement) |
| Structured data | Yes | Agency website (our measurement) |
| Valid sitemap | Yes | Agency website (our measurement) |
| Pages updated in the last 90 days | 5 | Agency website (our measurement) |
Offer59/100
| Criterion | Value | Source and date |
|---|---|---|
| Publishes its prices | Yes | Agency website, read and labelled offline (case studies, prices, team) (our measurement) |
| Page showing who works there | No | Agency website, read and labelled offline (case studies, prices, team) (our measurement) |
| Years in business | 3 years | Sirene and company complements (API Recherche d’entreprises) |
Published proof20/100
| Criterion | Value | Source and date |
|---|---|---|
| Published proof | 20/100 | Agency website, read and labelled offline (case studies, prices, team) (our measurement) |
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.
04
Specialties
05
Reviews
We never reuse ratings or reviews from other platforms. Reviews from its clients will appear here from 3 reviews.
06
How Size Up can improve
These levers come from the measured criteria: each one can raise the score.
- Reach the first page of Google for “SEO agency Rennes” searches.
- Speed up its website (Lighthouse performance: 68/100).
- Publish SEO case studies, one per client, naming the client and its search results.
- 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.
AI agents
Ask an AI
Each button opens the agent with a question that cites this page.
Open data
Cite, embed, reuse
Cite this page
Contenttosocial, “Size Up, SEO agency in Rennes”, 2026 edition, https://contenttosocial.com/seo-agencies/agency/size-up-pace
Guides
Free SEO, GEO, AI agent and social media guides.
In-depth guides to learn SEO, GEO, AI agents and social media, each built from primary sources.
All guides- SEO
Nofollow vs dofollow links: every type of link, explained
Nofollow, dofollow, sponsored, UGC: what each link type and rel attribute really does in 2026, what Google says, what experiments show, the penalties, and how one site applies it.
- Year nofollow was born
- 2005
- Pages with a nofollow link
- 32.3%
- Pages using sponsored or ugc
- 0.5%
Updated October 1, 2026 · 22 min read
- AI agents
What is WebMCP? The guide from a site that runs it
WebMCP explained: how a web page hands tools to the AI agent in your browser, how it differs from MCP, why Safari opposes it, and what we learned shipping 25 tools.
- First proposals
- 2025
- Chrome page loads that register a tool
- 0.8%
- Browser engines on board
- 1 of 3
Updated October 1, 2026 · 25 min read