How Often Should Your Website Be Updated?

“How often should websites be updated?” is one question on the surface and five questions underneath. The honest answer depends on which kind of update you mean.

Most arguments about website maintenance stall because two people are talking about completely different things. One person means “are we publishing fresh content?” The other means “have we patched the security advisories from last week?” Both are real. They have different cadences.

The Five Update Types

Update type	What it covers	Typical cadence
Content	Blog posts, case studies, copy, product info	Weekly to monthly
Dependencies & security	Framework patches, npm/pip security advisories, plugin updates	Continuous (auto) + weekly review
Performance & SEO	Core Web Vitals, schema, internal links, page-speed work	Quarterly review, monthly fixes
Design refresh	Visual system, components, brand evolution	Every 18–36 months
Full rebuild	New stack, new IA, new platform	Every 4–6 years

The mistake most teams make is assuming “update the website” means design refresh, when 80% of the value comes from the first three rows.

Content: weekly to monthly

For most B2B and SaaS sites, a publishing cadence of one to four pieces per month is the sweet spot. Below that, search-driven traffic stalls. Above that, quality drops unless you have dedicated content staff.

Triggers to publish off-cadence:

• A product launch
• A regulatory change in your industry
• A widely-cited stat or report you can react to
• An event like a major conference

For ecommerce, content updates are different: product copy, category pages, and seasonal landing pages need touch-ups every 2–4 weeks. Holiday and campaign cycles drive that schedule, not editorial calendar.

Dependencies and security: continuous

This is the one most teams handle worst. The cadence isn’t “monthly” or “quarterly.” It’s continuous, with humans reviewing weekly.

What good looks like in 2026:

• Renovate or Dependabot opening PRs automatically as upstream releases land
• A weekly review where someone actually merges them
• An immediate path for CVE-flagged updates (same day, not next sprint)
• A staging environment that catches breaking changes before prod

If your last npm package update was six months ago, you are running a known-vulnerable site. WordPress sites are worse: most breaches we see come from plugins that haven’t been touched in over a year.

Performance and SEO: quarterly review, monthly fixes

A reasonable rhythm:

• Monthly: check Core Web Vitals dashboard, fix the worst offenders
• Quarterly: full Lighthouse + accessibility pass, schema validation, internal-link audit
• Annually: sitemap restructure, redirect cleanup, content pruning

The compounding work happens here. A site that gets a 30-minute performance check every month rarely needs a full rescue project. A site that doesn’t, eventually does.

Design refresh: 18–36 months

A full visual refresh is a bigger lift than people think. New design system, new components, copy revisions, often a CMS migration. Doing this every year is wasteful. Doing it every 5+ years almost always shows in conversion data.

Signals that you’re due:

• Your site looks distinctly older than your top three competitors’
• Your design system isn’t tokenized and your team copies CSS between pages
• Mobile experience patches feel like duct tape
• New pages take days, not hours, to assemble

Full rebuild: every 4–6 years

A rebuild is different from a refresh. New stack, often new architecture, sometimes a new CMS or platform. The reasons that justify it:

• The current stack doesn’t support a feature you actually need (real-time, edge rendering, complex personalization)
• Build/deploy time has become a daily pain
• You can’t hire developers willing to maintain the codebase
• The cost of patches now exceeds the cost of replacement

Most rebuilds are pulled forward by a year or two by accumulated tech debt. Pushing them back rarely saves money long-term.

When to update off-schedule

Some signals override the calendar. If any of these fire, do the work now, not at the next planned cycle:

• Core Web Vitals drop into the “poor” band
• Organic traffic falls more than 20% week-over-week with no obvious external cause
• A security advisory hits a package or plugin you’re running
• Conversion rate drops more than 15% on a key page after a deploy
• Accessibility audit fails (especially if you sell to public-sector buyers)
• A brand pivot, name change, or major positioning shift
• A privacy regulation change affects your jurisdiction

Industry variation

Cadence shifts by industry:

SaaS. Heavy content cadence (weekly), heavy product updates, monthly site changes. Most sites here update something every week.

Ecommerce. Seasonal cycles dominate. Q4 holiday prep is its own annual project. Product pages get touched continuously.

Corporate / brochure. Lighter cadence. Quarterly content, biannual performance pass. Annual strategic review.

Regulated industries (healthcare, finance, public sector). Compliance-driven. Updates align with regulatory cycles, accessibility audits, and security reviews. Often 4-6 week change windows.

Personal blog or portfolio. Whatever you actually maintain. Honest answer: most of these go stale within 18 months.

What it costs (rough)

Approximate annual budget for a maintained site, US agency rates:

• Content (4 posts/month, 800 words): $3,000–$8,000/month
• Dependency and security maintenance: $500–$2,000/month
• Performance and SEO retainer: $1,500–$5,000/month
• Design refresh (one-off, every 2 years): $15,000–$80,000
• Full rebuild (one-off, every 5 years): $50,000–$300,000

If your current spend on maintenance is zero, you’re not actually saving money. You’re deferring a larger bill, usually with interest in the form of an emergency rescue project.

In-House vs Agency: the practical split

A common pattern that works:

• Content ownership in-house (with a freelance editor)
• Dependencies and security on a small retainer with an agency
• Performance and SEO on a quarterly retainer
• Design refresh and full rebuild as project work

This avoids paying agency rates for tasks your team can do, while keeping experts available for the work that actually moves outcomes.

Related Guides

• Website Optimization Agency Playbook
• Accessibility & WCAG Compliance Guide
• What Happens After Launch: 90-Day Post-Deployment Playbook
• Web Development Costs Guide

Want a maintenance plan?

If your site is overdue and you don’t know where to start, we’ll run a free triage: dependency status, performance baseline, accessibility quick-check, and a prioritized fix list. No commitment to a retainer afterward. Useful even if you decide to do the work in-house.