Astro vs WordPress for a business website: an honest comparison
WordPress runs much of the web and we still rarely recommend it for a new business site. Speed, security, cost and editing compared, and where it wins.
Our position, stated plainly
The one difference that drives everything
WordPress renders pages on a server, on request, from a database, through a theme and a set of plugins. Astro renders pages once, at build time, into finished files that a network serves from the location nearest to the visitor.
Almost every line in the comparison below follows from that.
Side by side
| WordPress | Astro | |
|---|---|---|
| How a page reaches the visitor | Assembled on a server per request | Finished file from the nearest CDN location |
| Speed on a mid-range phone | Depends on theme, plugins and hosting; often needs tuning | Fast by default; script only where needed |
| Security surface | Public admin, database, plugin stack | Files only; no public admin |
| Monthly upkeep | Core, theme and plugin updates, backups, server | Dependency updates at build time; nothing running |
| Traffic spikes | Server can slow or fail without caching layers | Absorbed by the network |
| Editing content | Built-in editor, widely known | Content system of choice, or files; publish triggers a build |
| Plugin ecosystem | Enormous, uneven in quality | Smaller; features are built, not installed |
| Hosting cost | Server plus maintenance | Low, predictable |
| Portability | Export of content; theme stays behind | Standard HTML output and a source repository |
Where WordPress wins
We would be lying if we said never. WordPress is the better call when:
- Your team already runs a WordPress site well, with a maintenance routine, and the site performs. Do not rebuild what works.
- A specific plugin or integration is central to how you operate and has no equivalent outside WordPress.
- Your editors’ exact editing experience matters more than speed, and they are attached to it. Even then, WordPress can stay as the content source with Astro serving the pages.
- The budget only allows a theme install today, and something online this week beats something good in two months.
Where Astro wins
- Speed on phones, without tuning. A visitor on mobile data sees the page before any script arrives.
- Security effort. There is no public admin to attack and no plugin to patch on a Sunday.
- Running cost. No server, no licences, predictable hosting.
- Longevity. The output is standard HTML; the source is code you own. There is no theme to outgrow.
Migrating: what carries over
Content, images, URLs and rankings carry over, with redirects for anything that moves. What does not carry over is the theme and any page-builder layout, and that is usually the point: the migration is when structure, speed and accessibility get fixed. Plan it as a rebuild with a content import, not as a copy.
What this means for you
If your WordPress site is fast, patched and run by someone who cares, keep it. If it is slow, breaks after updates, or nobody wants to touch the plugins, the next redesign is the moment to move. Ask any candidate the same two questions: how does a page reach my visitor, and what do I own when we part ways.
Frequently asked questions
Is WordPress insecure?
WordPress core is maintained well. The risk sits in the model: a public admin, a database, and a plugin stack that each need updating. Hacked small business sites we have seen were WordPress sites with outdated plugins. Kept fully patched, WordPress can be run safely; the effort to keep it that way is the cost.
Can I move my WordPress content to Astro?
Yes. Pages, posts, images and URLs export cleanly, and redirects preserve rankings. Themes and page-builder layouts do not carry over, which is usually a feature: the rebuild is the moment to fix structure and speed.
Will my editors hate a headless setup?
Not if the content system is chosen for them. Some editors love the WordPress editor and can keep it as a headless content source with Astro in front. Others prefer a simpler system. The build-and-deploy step happens in the background either way.
Is Astro cheaper to run than WordPress?
Usually. There is no server to pay for or maintain, no plugin licences, and no monthly patching hours. The build costs more upfront than installing a theme, and less than a properly customised WordPress build. Compare three-year totals, not the first month.
Sources
- Astro documentation: Why Astro? (accessed 2026-09-11)
- Google web.dev: Web Vitals (accessed 2026-09-11)