Website maintenance typically costs 15-25% of the initial build price per year and consists of two separate groups: mandatory infrastructure expenses such as hosting, domain and SSL, plus regular maintenance services like updates, backups, security and technical support. For a simple brochure site this budget is small; for integrated, multilingual corporate sites it grows with the scope. In this post we break down every recurring cost you will face after a web development project is delivered.
What Does Website Maintenance Include?
Many businesses think maintenance only means "fixing the site when it goes down" — in reality, proper maintenance is the sum of routine tasks that keep a site secure, fast and up to date. A well-defined maintenance agreement covers:
- Security updates: patching the framework, libraries and server software
- Regular backups: automated, restorable copies of the database and files
- Uptime monitoring: learning the site is down before your customers do
- Performance tracking: protecting speed scores and Core Web Vitals
- Small content and visual updates: text, pricing, team changes
- Periodic testing of forms, email and integrations
What Determines the Maintenance Fee?
Two sites can have maintenance budgets as different as their build budgets. The deciding factors are technology and scope: a site built on a ready-made CMS demands frequent security patches, while a site developed with a modern stack needs fewer emergency fixes and more planned updates. For e-commerce and booking sites where downtime directly means lost revenue, monitoring and response standards — and therefore costs — are higher. When budgeting, it is healthiest to consider maintenance together with the items that make up corporate website cost.
A practical rule for the annual maintenance budget: set aside 15-25% of the initial build cost. Every unmaintained year compounds the risk of that amount turning into a full rebuild cost.
Monthly Maintenance Plan or Hourly Support?
Maintenance is offered under two models. With a monthly plan, a fixed fee covers monitoring, backups, updates and a defined number of support hours; the budget is predictable and most issues are resolved before you even notice them. With hourly support, you only pay when something is needed; it looks economical at first, but without monitoring and regular updates, problems are discovered after they have grown — and fixing them costs more. For businesses whose site generates work — collecting leads, taking sales or bookings — a monthly plan is almost always the right choice; small brochure sites that rarely change can manage with the hourly model.
What Happens to an Unmaintained Site?
The bill for neglect arrives with interest. Outdated components gradually turn into security vulnerabilities; search engines push slow and error-prone sites down the rankings; a broken contact form silently loses leads for weeks before anyone notices. To catch slowdown signals early, see our guide on ways to speed up a website. The worst-case scenario is losing a site with no backups to a server failure or an attack — at that point the conversation is no longer about maintenance cost but about a full rebuild.
Mandatory Annual Expenses: Hosting, Domain and SSL
Independent of any maintenance service, every website has unavoidable annual expenses. The domain name renews yearly; hosting or cloud server fees are paid monthly or annually depending on traffic and infrastructure; SSL certificates are free on most modern platforms, though organization-validated certificates are paid. Email services, a CDN and third-party subscriptions (maps, live chat, newsletters) may add to the list. When requesting quotes, always clarify who owns these items and what happens after a "free first year" ends.
- Domain name: annual renewal, price varies by extension
- Hosting / server: monthly or annual, based on traffic and infrastructure needs
- SSL: mostly free on modern platforms, except organization-validated certificates
- Email, CDN and third-party service subscriptions
- Maintenance and support agreement: monthly plan or hourly
Conclusion
Website maintenance cost is not a luxury — it is insurance on your investment. A properly planned maintenance budget protects security, speed and search visibility while preventing unexpected downtime and rebuild costs. At Barel Yazılım, we transparently share the maintenance scope and annual costs at the proposal stage of every project. To assess your current site’s maintenance needs or get a plan that includes maintenance for a new project, request a free quote.