Blog

Notes on how I
build and think.

No throwaway tips-and-tricks pieces. I write about the choices I make in projects, the tools I use and the lessons I pick up along the way.

FeaturedVibecode14 October 20267 min read

From Lovable Cloud to your own Supabase: what moves and what does not

Lovable Cloud runs on Supabase, but the project is not yours. How to move your database, users, files and functions to a Supabase account in your own name, without anyone having to sign up again.

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Vibecode14 October 20266 min

Supabase changes on 30 October: why your new table suddenly throws a permission error

From 30 October, a new Supabase table no longer gets access by default. How to spot error 42501, fix it, and not open up every table by accident.

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Portals14 October 20267 min

Client portal: off-the-shelf software or custom?

Exact, AFAS and Salesforce have a portal built in, and there are portal tools you rent monthly. Often that is enough. How to tell when it no longer is.

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Portals14 October 20266 min

B2B ordering portal or webshop: which one do you need?

A webshop is built to win over new customers. An ordering portal is built to let regular customers reorder quickly. How to tell which of the two you need.

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Portals14 October 20266 min

A supplier portal: purchasing without retyping

Order confirmations and delivery dates arrive by email and someone retypes them. When a supplier portal fixes that, and why it sometimes does not.

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Portals14 October 20266 min

Building a dealer portal: what belongs in it and what does not

Dealers want their own prices, to order without calling and to know what is in stock. What a dealer portal needs to do, and where it gets complicated.

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Excel24 August 20265 min

You do not have to get rid of Excel

Most switches fail on the big bang, not on the software. How to leave the sheet standing while the system takes over.

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Excel21 August 20266 min

Migrating your Excel data: this is where it always goes wrong

Importing the sheet is an afternoon of work. Getting the data in it straight is not. What you run into, and what you can tidy up right now.

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Excel18 August 20267 min

After Excel: Airtable, Notion or custom after all?

Three ways out of your spreadsheet, and the point where each one breaks. Including when I will simply point you at a no-code tool.

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Excel15 August 20266 min

When your company outgrows Excel (and when it has not)

Five signs your spreadsheet is holding the business back, and three situations where you should leave it alone. With a sum you can do this afternoon.

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How I work13 August 20265 min

How long does it take to have a website built?

Two to three weeks of build time, and still it takes longer at most companies. Where the time actually goes, and what you can do to speed it up.

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How I work13 August 20266 min

When does your website need replacing?

Not every dated site needs replacing, and not every good-looking one is good enough. Six signals that make the difference, and when a refresh will do.

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Costs13 August 20266 min

Paying monthly for a website: what you actually get

A website for a fixed monthly fee sounds attractive and is sometimes a fine choice. What to watch for, and why I do not offer it myself.

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Vibecode12 August 20267 min

Payments work in test but not live

The test payment goes through and the real one does not. Five causes, one of which is so common it is worth checking first.

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Vibecode8 August 20265 min

My AI app suddenly got slow

It was fine with ten rows and crawls at a thousand. Four causes that are nearly always the explanation, from easiest to most annoying to fix.

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Vibecode5 August 20266 min

My API keys are in the frontend. How bad is that?

Short answer: it depends which key it is. How to tell in two minutes whether yours is harmless or needs replacing tonight.

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Vibecode1 August 20266 min

Why does my app work in the preview but not live?

Four causes that explain nearly every “works locally, not live” problem, and how to see in five minutes which of the four is yours.

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Tech1 August 20268 min

I replaced my own WordPress site. This is what costs you your rankings

Webframer ran on WordPress for four years, with 87 URLs in Google. How you carry those over to a new site, and which ones you lose regardless.

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Vibecode28 July 202610 min

Is your AI-built app safe for real customers? 9 checks

Your app works, so it looks finished. The gaps AI tools leave only show with real users. Nine things you can check yourself this afternoon.

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Vibecode17 July 20266 min

Build on my AI prototype or start over?

The most expensive choice is the postponed one. Five questions that decide whether your project can be saved, and why starting over rarely wastes work.

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Tech15 July 20266 min

Mollie or Stripe in the Netherlands? It comes down to three things

Mollie vs Stripe for a Dutch webshop: both work fine. Subscriptions, marketplace payouts and whether your customers expect iDEAL make the difference.

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Vibecode3 July 20267 min

Why can my users see each other's data?

It looks fine, until someone changes a number in the URL. What Row Level Security is, why it is off, and how to check it without a developer.

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Vibecode19 June 20268 min

Can I export my Lovable or Bolt app and host it myself?

Yes, and it is wiser than putting it off. What exactly you get with an export, what is not in there, and what to watch for before you press the button.

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How I work17 June 20265 min

Why you want to own the code of your own software

Plenty of agencies hold on to the code, the hosting or the admin account. That feels like service, until you want to leave. What to check before you sign.

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Vibecode5 June 20269 min