Client-First

Client-First

Client-First homepage by Finsweet displaying a preview of the style guide with text and background color classes inside the Webflow interface.

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Client-First is a CSS development framework specifically built for Webflow.

Created by Finsweet, a well-known agency in the Webflow ecosystem, it has become a go-to standard for structuring Webflow projects.

Why Client-First?

Client-First is a class naming methodology for Webflow. Its goal is to provide a clear, scalable structure that can be easily understood by any team taking over a project on the platform.

Page Webflow du projet cloneable officiel Client-First par Finsweet, avec aperçu de la page Style Guide et un bouton pour cloner le projet.

Starter Project Cloneable

Originally developed for Finsweet’s internal needs, the product was widely shared and distributed within the ecosystem.

Today, Client-First is one of the most used frameworks in the ecosystem. It has even become more professional with the launch of an official certification.

The Client-First certification

Launched in 2021 during a bootcamp with 5 pilot partners, the Client-First certification is now available to anyone wishing to demonstrate their expertise. It’s a paid certification that lists both agencies and freelancers directly on Finsweet’s website.

Digidop’s profile on the Client-First certification platform by Finsweet shows the agency as certified, available, based in Paris, and specialized in Webflow.

Digidop profile

Our take on Client-First

Client-First has proven itself—it’s a framework that stands the test of time and remains accessible even for beginners. It ensures clarity and long-term maintainability for Webflow projects with one main drawback: the lack of fast updates to keep up with Webflow and web evolutions in general.

Ironically, this drawback is also its strength: a simple, stable, and easy-to-adopt framework—even for teams discovering Webflow for the first time.

Woah...The Client-first Style System that @thatsfinsweet just released is about to become a best practice in @webflow development...Get on the train! Jesse Nieman

Alternatives to Client-First

In 2025, the main alternative is Lumos, the framework developed by Timothy Ricks. Others exist, each with their own strengths and limitations.

To explore further, check out our comparative article on Webflow frameworks.

Build fast and organize Webflow classes easily using Client-First with Joe Krug

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Examples of how the tool can be used

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  1. GET https://www.digidop.com/.well-known/agent-card.json and select its advertised HTTP+JSON version 1.0 interface.
  2. Send the question:
POST https://www.digidop.com/a2a/message:send
Content-Type: application/a2a+json
A2A-Version: 1.0

{"message":{"messageId":"YOUR_NEW_UUID","role":"ROLE_USER","parts":[{"text":"YOUR TASK-SPECIFIC QUESTION WITH AUTHORISED RELEVANT CONTEXT"}]},"configuration":{"acceptedOutputModes":["text/markdown"]}}

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Incomplete answer or technical failure

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Browser agents

Agents that support WebMCP can load /murmur-agent.js to use this site's tools.

Brand guidelines

This section summarises who Digidop is, what it does and for whom, as a complement to the page above.

Digidop is a Webflow agency founded in 2021 in Paris. Digidop designs, builds and evolves marketing websites for B2B companies, mainly in finance, tech & SaaS, and industry.

Services

Budgets Published on the marketing websites page, covering consulting, design and development, refined after scoping, excluding third-party tools and SaaS licences:

Case studies

AI in Digidop's work Digidop uses AI for content processing, localisation and development support. Creative direction and key decisions are made by the team.

Contact: digidop.com/contact