Zettops ยท Insights https://zettops.com/insights Practical guides on security, engineering, AI, design, and growth, written from how we build. en What a threat model looks like for a small web app https://zettops.com/insights/threat-model-for-a-small-web-app https://zettops.com/insights/threat-model-for-a-small-web-app A threat model is not a binder for banks. For a small web app it fits on one page and shapes almost every decision that follows. Wed, 28 Oct 2026 00:00:00 GMT threat-modeling application-security checklist RAG without leaking your data: a checklist before you ship an AI assistant https://zettops.com/insights/rag-without-leaking-your-data https://zettops.com/insights/rag-without-leaking-your-data An assistant that answers from your documents can also expose them. Here is what to check at indexing, retrieval, generation, and logging before launch. Wed, 21 Oct 2026 00:00:00 GMT rag data-privacy access-control evaluation checklist Secrets, keys and access: least privilege in practice for a startup https://zettops.com/insights/least-privilege-for-startups https://zettops.com/insights/least-privilege-for-startups Least privilege sounds like enterprise policy. In a small team it comes down to a few habits about where secrets live and who can touch what. Wed, 14 Oct 2026 00:00:00 GMT least-privilege secrets access-control checklist Choosing a stack for an MVP you will not have to rewrite https://zettops.com/insights/choosing-an-mvp-stack https://zettops.com/insights/choosing-an-mvp-stack Most MVP rewrites are not caused by the framework. They come from a few early decisions about data, auth, and structure that are hard to undo. Wed, 07 Oct 2026 00:00:00 GMT architecture mvp nextjs typescript A design system small enough to actually use https://zettops.com/insights/a-design-system-small-enough-to-use https://zettops.com/insights/a-design-system-small-enough-to-use A design system does not need hundreds of components. A short set of tokens, a dozen core components, and a page of rules will carry most products. Wed, 23 Sep 2026 00:00:00 GMT design-systems ui accessibility SEO basics that still matter for a new site, and what not to pay for https://zettops.com/insights/seo-basics-for-a-new-site https://zettops.com/insights/seo-basics-for-a-new-site Search fundamentals have not changed much: a fast, crawlable site with clear pages that answer real questions. Here is the short list, and the offers to skip. Wed, 09 Sep 2026 00:00:00 GMT seo content analytics performance