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Understand the role of the LLM.txt file on Webflow
The web is entering a new era: one where traditional search engines are gradually giving way to artificial intelligence assistants like ChatGPT, Claude, Gemini or Perplexity. These tools don't just show links anymore, they provide answers directly, often accompanied by recommendations from sites or brands.
But to be cited by these systems, they still need to be given access to clear and structured information. That is precisely the role of LLM.txt file on Webflow.
This file acts like a guide dedicated to language models, telling them which pages on your site contain reliable and relevant information.
While the traditional robots.txt tells search engines what they can and cannot explore, LLM.txt does the opposite function: it highlights the pages you want to see used by the AIs in their responses.
It is an exhibition tool, not a restriction.
Natively integrated into Webflow, it can be uploaded directly from the project's SEO settings, without requiring code or specific hosting.
Why add a LLM.txt file to Webflow?
Increased visibility in AI research
Language models don't crawl sites in the same way that Google does. They are looking for contextualized and prioritized sources. Without a LLM.txt file, your content can be misinterpreted or ignored in favor of better-structured competitors.
With this file, you facilitate their understanding, which increases your chances of being cited in generative AI responses and new engines like Perplexity.
A proof of credibility
The LLM.txt file reinforces the perception of reliability of your site. By providing an explicit framework: a clear summary, organized links, and identified sections, you help AIs understand your positioning, services, and resources.
This promotes accurate quotations and improves the quality of the responses your site appears in.
An immediate competitive advantage
Few businesses have adopted this practice yet. By implementing it now, you are getting a head start in AI research, a space that is still not very saturated.
For a Webflow agency, a consultant or a B2B brand, it's a simple way to be present in future search ecosystems without relying solely on Google SEO.
How to create and integrate a LLM.txt file on Webflow
The process is simple and does not require any particular technical skills.
Start with Open a text editor and create a file called llms.txt.
Inside, write the following sections:
- One titre clear indicating the name of your company or project.
- One concise summary of your business, in one or two sentences.
- Of thematic sections (About, Services, Resources, Contact) containing links and short descriptions.
Once the file is ready, go to the SEO parameters of your Webflow project, then in the tab SEO.
Scroll to the “LLM.txt” section and upload the file.
Publish your site, then test the URL www.your-domain.com/llms.txt : the content of the file must be displayed in plain text.
How to check the integration of the LLM.txt file on Webflow?
You can test your file with:
- GPT chat (type: “Access the llms.txt file on my site [your URL]”)
- Perplexity (it automatically detects LLM.txt files)
- Google Search Console (you can check that it is hosted at the root)
The file should be placed at the root of the domain, that is to say accessible via a URL of the type: https://tondomaine.com/llms.txt
This allows AIs (ChatGPT, Perplexity, Gemini, etc.) to find it automatically, just like they do with a robots.txt Or a sitemap.xml.
If it is hosted elsewhere (in a page or a collection), it will not be not recognized.
What should your LLM.txt file contain on Webflow?
“About” section
Present your business or business in a few lines. Choose a simple formulation, without jargon. Mention your areas of expertise, your location and the main results obtained.
“Services” section
Describe your offers and services with one sentence per service. The aim is not to sell, but to Make AI understand the exact nature of your know-how.
“Content” section
List your articles, guides, case studies, portfolios, or key resources.
These pages are often the ones that AIs use to enrich their answers.
“Contact” section
Add your essential information: email, site, LinkedIn, link to a form or an appointment.
The objective is to allow an AI to recommend your business and direct the user to you.
Simplified LLM.txt structure example
Best practices for effective LLM.txt
Update it regularly, especially after every major redesign or release.
Each quarter, check that the links are valid and that the description accurately reflects your current offering.
Give priority to clearness And the consistency : short sentences, a professional tone and a legible structure.
Finally, avoid overloading the file. Twenty well-chosen links are more than enough.
Tools to generate or maintain a LLM.txt
If you want to automate the process, several tools exist. Some automatically generate the file by scanning your Webflow site and identifying the most relevant pages.
Others allow it to be synchronized every time the content is updated, ensuring that the AIs always have the latest information.
But there's no substitute for human writing: AIs better understand files written with logic and intent.
The adoption of LLM.txt: a strategic shift
More and more companies are beginning to integrate this file.
Cloud players, SaaS platforms or Webflow agencies are already using it to make their documentation accessible to AI systems.
This file will eventually become a standard, just like the sitemap has become for SEO.
Conclusion
Set up a LLM.txt file on Webflow is not a secondary option: it is a natural evolution of SEO.
It's also an opportunity to better control how artificial intelligences perceive and use your content.
More than a technical tool, it is a bridge between your site and the ecosystem of AI agents.
To go further, you can consult theWebflow Paris agency, specializing in the creation of high-end Webflow sites, or explore the article on Webflow and AI to understand how these two worlds come together.
FAQ: How do I use LLM.txt on Webflow?
What is the LLM.txt file?
It's a text file designed to help language models understand key information about your site. It does not replace traditional SEO, but complements it by providing a structure that can be used by generative AIs.
Why is it essential on Webflow?
Because Webflow offers total control over the tree structure and content of the site, which allows you to create a file that is perfectly aligned with your strategy.
Without this file, your site remains invisible to AI assistants, even if its SEO is efficient.
What is the difference between LLM.txt and robots.txt?
The robots.txt file is used to block or allow pages to be crawled.
The LLM.txt file is used to highlight some pages and to help the AIs to extract the substance from them.
The two coexist without hindrance: one controls access, the other guides understanding.
How do I know if my file is working?
Once uploaded and published, you can check its accessibility by typing your-domain.com/llms.txt.
In the coming months, you can also see if your content is starting to be mentioned by conversational AIs.
What is the ideal size or length?
A short and accurate file is better. Between 300 and 800 words are enough.
The key is to prioritize your pages by importance, not to include everything.
Does it need to be updated often?
Yes, because AIs value recent information.
Add a “Last Updated” mention and revise it as soon as a key page changes or a new offer is launched.
Can I use it to improve my SEO?
Indirectly, yes. A well-structured LLM.txt file improves your visibility in AI ecosystems, which can generate natural backlinks or qualified traffic to your site.
Is it useful for all types of sites?
Absolutely. Whether you are freelancer, agency, start-up or SME, it is a lever of authority and visibility.
The more credibility and specialization your field relies on, the more beneficial this file will be.
What if I don't have technical skills?
Good news: everything is done from the Webflow interface, in a few clicks.
You can also ask your Webflow agency to create it for you, it is a quick intervention and with high added value.
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