Stefan Holm Olsen

Alias: Stefan Holm Olsen

Company: Stefan Olsen

Location: Bulgaria

Blog: My little corner

Twitter: @StefanHolmOlsen

About me: I am OMVP and Freelance Optimizely Consultant. I write about technical concepts and ideas at https://stefanolsen.com

CRP Information

Level: Esteemed Citizen

Total contribution points: 2103 (gain 897 points more to level up)

Score Distribution

Storing JSON in a property the efficient way

Syndicated blog - Posted on: Feb 23, 2026

Here is a little-known trick to store and retrieve JSON property data more efficiently.

Beware when storing complex types in PropertyList!

Syndicated blog - Posted on: Feb 09, 2026

If you store complex types in a PropertyList property in Optimizely, you might want to consider how they perform. Read here for a performance tip.

Turbocharge your strings - a case of display channels

Syndicated blog - Posted on: Sep 14, 2025

When doing a routine performance test, during a CMS 12 upgrade, I was able to achieve 95% performance improvement. Let's look at SearchValues with ...

Send away Outlook Autodiscover request the easy way

Syndicated blog - Posted on: Jul 21, 2025

If you also hate false errors in your request logs, let’s clean up one path at a time. Here is how to avoid logging 404 errors caused by Outlook.

My key take-aways from Opticon 2023

Syndicated blog - Posted on: Oct 13, 2023

This past week I spent 4 days with Optimizely at Opticon 2023 in San Diego, and got to hear a lot of inspiring announcements and ideas. Here are my...

Send Optimizely notifications with SendGrid API, not SMTP

Syndicated blog - Posted on: Sep 06, 2023

If your Optimizely site already sends transaction emails through an email platform API, why not do the same with Optimizely notification emails?

Remember to configure your complementary SendGrid account in Optimizely DXP!

Syndicated blog - Posted on: Aug 15, 2023

For all those who have websites in Optimizely DXP, consider improving email deliverability with SendGrid. There is a bonus tip at the end…

Correlate telemetry for scheduled jobs in Optimizely CMS

Syndicated blog - Posted on: Aug 07, 2023

Earlier I showed how to integrate Hangfire jobs with Application Insights, to correlate all job logging. Now you can do the same with regular...

Catalog roots can finally be customized in Optimizely Commerce!

Syndicated blog - Posted on: Jul 26, 2023

Optimizely Commerce 14.13.0 removed a road block for customizing product catalog roots. Read here about how to use it.

Telemetry correlation for Scheduled Jobs in Optimizely

Syndicated blog - Posted on: Mar 23, 2023

I previously demonstrated how to correlate telemetry to Azure Application Insights within a Hangfire job. But how about those jobs that are built a...