All migrations have the same process, once the specifications and the model are done. This migration diagram is important to understand because it will allow you to understand the challenges of each step.
This is generally the first stage of the migration on the technical side. This is why we start by doing the developments: the structure of the code between the e-commerce solutions is radically different, we have to redo everything.
A specification is therefore essential in order to know what developments you are going to undertake for the new site. For this you can take the initial specifications and remove the features that are ultimately no longer useful and add new ones. Similarly, if you want to update the theme of your site, you will need to redo a model. This will allow you to plan better and limit the risk of unpleasant surprises.
This development stage is the longest
And most expensive, so you need to think carefully about the features and theme you want before you start.
This step consists of modifying the data structure and format of your old CMS so that they correspond to those of Presta Shop. This is a step that is now Iceland Email List well mastered by agencies, and there are modules or APIs that make the migration very simple. However, there will always be the problem of specific developments: the more you have and the more important they are, the more complicated the data migration will be.
To deal with this challenge, you can do partial data migrations, for example: Migrate only customers who have placed at least one order in the last 3 years Only migrate orders from the last 3 years.
Step 4: Migrate and Connect
If you have an ERP, it will be all the easier to carry out partial data migrations because it is your ERP that will keep the order history.
The migration of data is the real particularity of a migration, it is the complex part, because it is necessary to resume history and sometimes to clean it. It is a process that requires a lot of rigor during the acceptance phase.
This is a very important step and especially unlike the first 2, you must participate in it whatever your role. Of course the developers and the agency in general will do some testing, but don’t let the agency test alone. You know your site better and therefore you are in the best position to check that the migrated data is good and consistent with the existing one. This is a key phase because it will launch the final stage of production. Do not hesitate to start training your teams at this stage, it can help you anticipate any difficulties.