--- title: "Website maintenance for custom-built sites: 2026 guide" url: https://daily.dev/posts/website-maintenance-for-custom-built-sites-2026-guide-ib7ihwnkq source_url: https://www.netguru.com/blog/website-maintenance-custom-builds-guide type: article source: "Netguru" published: 2026-08-04T07:54:21.029Z updated: 2026-08-04T07:54:43.488Z tags: ["security", "webdev"] reading_time: 16 upvotes: 1 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Website maintenance for custom-built sites: 2026 guide **[Netguru](https://daily.dev/sources/netguru)** · 16 min read · 1 upvotes · 0 comments ## Summary Custom-built websites decay silently through dependency drift, framework end-of-life, Core Web Vitals regression, API rot, CMS schema drift, and accessibility gaps. Unlike managed platforms, custom stacks require active ownership across seven distinct maintenance layers: security, dependencies, performance, content/CMS, accessibility, infrastructure, and SEO. A practical checklist organized by cadence (CI, weekly, monthly, quarterly, annual) is outlined, along with what a proper SLA should include. Monthly maintenance costs range from $500–$2,500 for small marketing sites to $8,000+ for complex apps. Tools like Dependabot, Renovate, Snyk, and Lighthouse CI are recommended for automation. The European Accessibility Act has been enforceable since June 2025, making WCAG 2.2 AA compliance a legal requirement for EU-facing products. A hybrid in-house/retainer model is recommended for most teams. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [WordPress Hidden Costs vs Laravel CMS in 2026: The Math Businesses Keep Avoiding](https://daily.dev/posts/wordpress-hidden-costs-vs-laravel-cms-in-2026-the-math-businesses-keep-avoiding-zur9vt92a) · Medium · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#webdev](https://daily.dev/tags/webdev) [View this post on daily.dev](https://daily.dev/posts/website-maintenance-for-custom-built-sites-2026-guide-ib7ihwnkq)