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Strategy24 April 2026 · 5 min read

Website redesign: when should you start and how should you go about it?

Redesigning a site is an important decision. Too early, and budget is wasted. Too late, and customers are lost. Here is how to know when to act — and how to do it.

The 7 signs it is time

01

Your site is not mobile-friendly

More than 60% of web traffic comes from smartphones. If your site is not responsive, you lose more than half of your potential visitors in the very first second.

02

Il charge lentement

Beyond 3 seconds, 53% of mobile visitors leave. A slow site costs you customers every day.

03

The design is more than 4 years old

The web moves fast. A 4-year-old site gives the impression of an outdated company — before the visitor has read a single line.

04

You cannot update it yourself

If every text or image change means contacting your developer, it is a major brake on your communication.

05

It does not generate contacts

A showcase site should convert between 1 and 3% of its visitors into contacts. Below that, there is a structure or call-to-action problem.

06

It does not rank on Google

If your competitors appear before you in local searches, your site has a technical SEO or content problem.

07

Your offer changed but your site did not

A site that no longer reflects what you really do is counter-productive — it attracts the wrong people and pushes away the right ones.

Full redesign or targeted improvements?

Before throwing everything away, ask yourself: is it a surface problem (a dated design) or a deeper problem (architecture, unsuitable CMS, outdated stack)?

Targeted improvements

The content is good and the structure holds — you only need to modernise the design, improve speed or fix SEO.

Budget: to be defined after an audit

Full redesign

The CMS is old, the stack is outdated, or your offer has fundamentally changed. Start again on a clean base.

Budget: to be defined after an audit

The method in 5 steps

  1. 1

    Auditez l'existant

    Before building anything, measure: speed (PageSpeed), SEO rankings (Google Search Console), conversion rate (Analytics), most visited pages. This data guides your decisions.

  2. 2

    Define the exact scope

    Which pages to keep, which to remove? Which new features? A vague scope is the first cause of budget overruns.

  3. 3

    Choose the right stack

    WordPress if you want to manage the content yourself. Next.js if performance and SEO are priorities. Avoid visual builders like Wix if you want real performance.

  4. 4

    Manage the SEO migration

    Every URL that changes needs a 301 redirect. A botched redirect plan can lose 30 to 50% of organic traffic within weeks.

  5. 5

    Launch — then improve

    A perfect site that ships in 6 months is worth less than a decent site shipped in 3 weeks. Launch with the minimum viable version, then iterate on real data.

How long does a redesign take?

Site vitrine
5 business days
Site corporate
3 – 6 weeks
Application web
6 – 12 weeks

Does your site need a redesign?

We analyse your site for free and tell you what needs to change.

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