WordPress High Availability in 2026: What Are Your Options?

The Problem Nobody Talks About

Your WordPress site goes down at 2am. Maybe it's a disk failure. Maybe your hosting provider has a network issue. Maybe MySQL just decided today was the day. Your WooCommerce store is offline, your clients are calling, and you're scrambling.

Everyone knows this is a risk. Far fewer people have actually solved it — because the solutions that exist are either expensive, locked to someone else's infrastructure, or require a DevOps engineer to set up and maintain.

Here's an honest look at what's actually available.

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Category 1: Managed WordPress Hosting With HA

WP Engine Failover, Pressable, WP Cloud (Automattic), Ivapix, Trustdom

These platforms do offer real automatic failover. The catch: you're renting their infrastructure, not protecting yours.

• WP Engine Failover — Enterprise-only, part of WP Engine's managed hosting. Recovery time objective (RTO) of around 7 minutes. Priced for enterprise budgets. Your sites must live on WP Engine's servers.
• Pressable — Includes "free" automatic failover, but you're paying $25+/month for managed hosting. The failover protects their infrastructure from failing, not yours.
• WP Cloud (Automattic) — The infrastructure behind WordPress.com. Sold to hosting companies and agencies as a white-label platform, not to individual site owners.
• Trustdom — Kubernetes-based WP hosting with genuine HA clustering, distributed MySQL with automatic failover. Starting at €19.90/month per site. Again: your sites live on their platform.

The common thread: every one of these solutions requires you to migrate to their hosting. If you have existing servers, a preferred VPS provider, specific data residency requirements, or clients who own their own infrastructure, none of these options work.

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Category 2: DNS-Only Failover Services

DNSExit, ClouDNS, CloudFloor DNS, Dynu, Route 53 Health Checks

These services monitor a URL and update a DNS record when it stops responding. Some start as low as $9.99/year. They sound like the right answer until you actually need them.

The problem: DNS failover without site replication is theater.

If your primary server fails and DNS points to your backup server — but that backup server doesn't have a current copy of your database, your WordPress files, or your user uploads — what exactly have you failed over to? A blank WordPress install? Last week's backup?

DNS failover only works if you've already solved the hard part: keeping two servers continuously in sync. These services don't help with that. They just move the DNS pointer when you've already done all the real work yourself.

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Category 3: DIY Technical Tools

HyperDB / LudicrousDB, ClusterControl, Manual Kubernetes, Custom Ansible Playbooks

These tools exist for people who want to build their own HA stack from scratch.

• HyperDB/LudicrousDB — WordPress plugins that handle database read/write splitting across a MySQL primary-replica pair. They don't set up replication, don't handle DNS failover, don't monitor your servers, and have no management interface. You do all that yourself.
• ClusterControl — A powerful database management platform for MySQL/PostgreSQL clusters. Requires you to configure ProxySQL, Keepalived, and VIP management. Enterprise pricing (commercial plans are licensed per node and can run into four figures annually per node). Designed for database engineers, not WordPress developers.
• Kubernetes clusters — Highly available by design, but require significant infrastructure knowledge to set up and operate. Not something you hand to a WordPress developer.

The result: the DIY path works, but it takes days of setup, requires ongoing expertise to maintain, and has no guided setup, no monitoring dashboard, and no support when something goes wrong.

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The Gap Nobody Has Filled

The market split into two extremes:

• Pay hundreds per month for managed hosting with HA built in (and accept their infrastructure)
• Learn MySQL replication, Keepalived, ProxySQL, and DNS management and build it yourself

For WordPress agencies managing client sites, for WooCommerce stores on their own VPS, for developers who know what they want but don't want to become infrastructure engineers — neither option was acceptable.

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Where Tergum Fits

Tergum is a SaaS platform that turns two Linux servers you already own — a Primary and a Standby — into a production-grade WordPress HA pair.

What it does:

• Installs a lightweight agent on your Primary and Standby servers via a one-line installer (most setups complete in under 30 minutes)
• Configures MySQL/MariaDB replication between them automatically, and keeps WordPress files and uploads in sync in real time via inotify + rsync
• Connects the pair over Tailscale (no VPN configuration, no open inbound firewall ports — agents only need outbound HTTPS)
• Runs independent health checks every 30 seconds from a monitoring node outside your hosting environment, so it can tell when your Primary is unreachable from the internet, not just from itself
• Detects failure, promotes the Standby to Primary, and flips your Cloudflare DNS (via Cloudflare Tunnel) automatically — typically in under 2 minutes end to end
• Lets you set a promotion policy per domain — Conservative, Tolerant, Strict, or fully Manual (alert and wait for your approval before acting)
• Supports multiple domains off a single protected server pair, each with its own Cloudflare zone configuration
• Walks you through a guided resync after the original server comes back online — re-establishing replication from the promoted server so no orders or posts are lost
• Sends alerts by email and push notification on every plan, with SMS escalation available as an add-on (included on Sentinel)
• Never reads your WordPress content or database — only health metrics. Your data stays on your servers.

What makes it different

The target customer

• WordPress agencies who manage client sites on client-owned or agency-managed VPS infrastructure
• WooCommerce store owners who can't afford extended downtime but aren't running enterprise budgets
• Developers and freelancers who want real HA without becoming database engineers
• Anyone whose WordPress site is business-critical and who owns their own servers

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Pricing Context

Annual billing saves roughly two months versus paying monthly. Every plan includes a 30-day free trial.

Compare that to:

• WP Engine: enterprise pricing for managed HA (think $400–$1,000+/month, and you're migrating to their hosting)
• Managed HA hosting per site: $20–$50+/month per site, e.g. Trustdom at €19.90/month per site
• DIY database-cluster tooling like ClusterControl: commercial licensing by node, often running into four figures annually per node, plus your own time
• Building it yourself from scratch: days of DevOps work, ongoing maintenance, no support

Even at the Sentinel tier — protecting up to 10 sites with SMS escalation and priority support included — $79/month is still less than a single seat of most enterprise managed-HA plans, and it's protecting infrastructure you already own.

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Conclusion

WordPress high availability has been a solved problem for enterprises for years. What hasn't existed — until now — is a solution built for the people who actually run most of the world's WordPress sites: agencies, freelancers, and business owners who own their infrastructure but don't have a team of database engineers on call.

With three tiers covering everything from a single small WooCommerce store (Shield) to agencies reselling protection under their own brand (Enterprise/White Label), Tergum fills that gap at every size of customer who values keeping control of their own servers.

Sources: tergum.ca (pricing, features, FAQ — June 2026), WP Engine blog, WP Cloud product pages, Pressable feature documentation, Trustdom pricing pages, HyperDB GitHub, LudicrousDB GitHub, ClusterControl/Severalnines pricing, ClouDNS pricing, DNSExit pricing, CloudFloor DNS pricing. Research conducted and updated June 2026.