@sebastienlorber Usually a 15min build suggests a hefty site. Most fall well inside that. Removing the limit is available via the Business plan though:
https://www.netlify.com/pricing?utm_source=twitter&utm_medium=support-pnh&utm_campaign=devex
There are also various discussions in the @Netlify Community forums about optimising builds
https://community.netlify.com/t/common-issue-how-can-i-optimize-my-netlify-build-time/3907?utm_source=twitter&utm_medium=support-pnh&utm_campaign=devex
My tweets and posts live here on my own domain these days.
You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.