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WordPress vs Custom (Next.js)

WordPress wins for fast/cheap launches where performance is secondary. Custom Next.js wins when the site is business-critical, AI Overview / Perplexity citation matters, or Lighthouse 100 is brand-required. ROI break-even for custom is typically 18-24 months.

WordPress

Open-source CMS powering ~43% of the internet. PHP + MySQL + theme/plugin stack.

Best for

Content-heavy site (blog, news portal), small budget, fast launch, client already knows WordPress admin, Lighthouse / GEO not a priority.

Custom (Next.js)

Hand-built React application on Next.js. Decoupled frontend + headless CMS / API.

Best for

Performance-critical site (SaaS, e-commerce, lead-gen), AI citation matters, custom UX, long-term ROI, B2B / enterprise client.

FeatureWordPressCustom (Next.js)
Initial cost800-3,000 ₾4,500-15,000 ₾
Timeline (corporate)1-3 weeks (theme + plugins)4-8 weeks (custom design + dev)
Performance (Lighthouse)60-80 (plugin-bloated)95-100
Core Web VitalsFrequently failPass by default
SecurityCritical patches monthlyMinimal attack surface (statically rendered)
AI citation readiness (GEO)Theme-dependent (variable)Schema-first (controlled)
Hostingshared / cPanel ($5-50/month)Vercel / Cloudflare ($0-200/month)
Client CMS experienceFamiliar (admin dashboard)Headless (Sanity/Payload — clean UX)

Verdict

WordPress wins for fast/cheap launches where performance is secondary. Custom Next.js wins when the site is business-critical, AI Overview / Perplexity citation matters, or Lighthouse 100 is brand-required. ROI break-even for custom is typically 18-24 months.

In depth

WordPress vs Custom Next.js — fundamentally a "buy" vs "build" decision. WordPress = ready-made ecosystem (themes, plugins, hosting, community), trading convenience for a performance + security tradeoff. Custom Next.js = handmade implementation, max control + max performance, but higher initial cost + requires maintenance discipline.

Full TCO 3-year comparison: WordPress = 1,500 ₾ initial + 25 ₾/mo hosting + 50 ₾/mo maintenance + 1 catastrophic event ($500 average) = 4,200 ₾ over 3 years. Custom Next.js = 8,000 ₾ initial + 60 ₾/mo hosting + 100 ₾/mo maintenance + 0 catastrophic events = 13,760 ₾. Difference: 9,560 ₾ premium. ROI break-even calculation: for a business-critical site (lead generation > 10K ₾/mo), custom Lighthouse 100 + faster conversion 20% — gains 2,000 ₾/mo additional revenue → break-even in 4-5 months. For a marketing site (low traffic, no commerce) — break-even never reached.

Performance + UX reality: WordPress real-world Lighthouse = 60-75 (best case 80 with Kinsta + WP Rocket + lazy loading + WebP). Custom Next.js + Vercel = 95-100 default. INP / LCP impact on conversion: Cloudflare 2024 study — every 100ms LCP improvement = 1% conversion increase. Custom 1.2s LCP vs WordPress 4s LCP = 28% conversion gap. E-commerce $50K/year revenue → $14,000 of lost potential annually.

SEO + GEO reality 2026: WordPress + Yoast — basic schema generation (Article, Organization, FAQPage). Custom Next.js — full schema control (LocalBusiness, Person knowsAbout, Service, AggregateRating). AI citation readiness — Perplexity/ChatGPT/Google AI Overview prefer fast-rendering, schema-rich pages. Q1 2026 Craftwebstudio benchmark: 770 pages × Custom Next.js → 92% Good CWV threshold, 18 cited mentions in Perplexity within 90 days. Comparable WordPress portfolio (similar content) — 65% Good CWV, 5 mentions in Perplexity.

Security reality: WordPress 2025 vulnerability data — 2,800+ CVEs reported, 95% via plugins. Average recovery cost $500-$2,500 per incident (Sucuri data). Maintenance discipline mandatory — Wordfence + 2FA + weekly backups + auto-updates. Custom Next.js = statically pre-rendered (no PHP/database attack surface), automatic Vercel CDN + WAF, security headers built-in via next.config.ts. Maintenance overhead: WordPress 4-8 hrs/mo, Custom Next.js 1-2 hrs/mo.

Frequently asked questions

Which CMS is best for Custom Next.js?

Sanity (cloud, $0-$99/mo) — easiest start. Payload (self-hosted, free) — most flexible. Contentful (enterprise) — large teams. WordPress + WPGraphQL ("headless WordPress") — when the client already knows the admin.

Is WordPress Lighthouse 90+ achievable?

Yes, with a difficult workflow: Kinsta managed hosting + WP Rocket + ShortPixel + WebP + critical CSS + lazy loading + script defer. Total optimisation cost $300-$800. Result: 85-92 Lighthouse mobile.

How much does WordPress → Custom Next.js migration cost?

$4,000-$15,000 typical. Includes: content audit, Sanity/Payload setup, custom design/UI, content migration, 301 redirects, QA, launch. Timeline 6-10 weeks. ROI 6-12 months for business-critical sites.

Custom Next.js — is there vendor lock-in risk?

From Vercel, somewhat — Edge functions are Vercel-specific. Mitigation: self-host on Docker, deploy to Cloudflare Pages. WordPress = no vendor lock (PHP everywhere). Custom Next.js = ~80% portable.

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