# nextjsblog.com > A source-available CMS and publishing layer for Next.js with an editorial Studio, practical SEO guidance, and content your team owns. ## Posts - [Why Your Database Index Is Not Being Used](https://www.nextjsblog.com/blog/post/why-your-index-is-not-used.md): A working guide to the reasons Postgres ignores an index you were sure it would use, and how to read the plan instead of guessing at it. - [The Typography Decisions That Actually Change Reading](https://www.nextjsblog.com/blog/post/typography-decisions-that-change-reading.md): Five typographic choices measurably change how much of a page people read. Most redesigns spend their effort on the other forty that do not. - [RAG Is Not a Database Problem](https://www.nextjsblog.com/blog/post/rag-is-not-a-database-problem.md): Teams reach for a vector database on day one and spend the next month discovering that retrieval quality was never about the store they picked. - [Index Funds Are Boring on Purpose](https://www.nextjsblog.com/blog/post/index-funds-are-boring-on-purpose.md): The case for passive investing is not that markets are efficient. It is that costs are certain, forecasts are not, and behaviour is the real variable. - [Zone 2 Training Without a Lab](https://www.nextjsblog.com/blog/post/zone-2-training-without-a-lab.md): How to find your easy aerobic pace using conversation, breathing and a heart-rate strap, and why going slower is what makes the hard days work. - [Salt Is Four Decisions, Not One](https://www.nextjsblog.com/blog/post/how-to-salt-food-properly.md): When you salt, which salt you use, how you distribute it, and how you taste for it are separate choices, and each one changes the result. - [Heat Pumps Really Do Work in the Cold](https://www.nextjsblog.com/blog/post/heat-pumps-work-in-the-cold.md): The objection that heat pumps fail in winter comes from equipment sold two decades ago. The physics, and the field data, now say something different. - [The Case for Staying Longer in Fewer Places](https://www.nextjsblog.com/blog/post/the-case-for-staying-longer.md): Four cities in ten days costs more, tires you out and shows you less. A slower itinerary is not an indulgence, it is the more efficient one. - [Write Down the Decision, Not the Meeting](https://www.nextjsblog.com/blog/post/writing-the-decision-not-the-decision-log.md): Most team documentation records what was discussed. The thing that turns out to be valuable a year later is why the alternatives were rejected.