JSX (React) Site vs WordPress Site: Which Is Better?

The Short Answer

Key Takeaways

JSX (React) Site vs WordPress Site at a Glance

01. What Is a JSX Site?

A JSX site is a website built with React, and JSX is the code React is written in. It looks like HTML mixed into JavaScript. Developers say "JSX site," "React site," and "Next.js site" and mean the same thing.

The mistake is thinking all React sites are equal. A plain React app builds the page inside the visitor's browser. Until that JavaScript runs, the page is blank.

The fix is Next.js. It builds every page into finished HTML before anyone visits. That's how every one of my 281 JSX builds works, and it's the reason the rest of this comparison goes the way it does.

02. Is a JSX Site Better Than WordPress for SEO?

Yes, when it's pre-built with Next.js. Google ranks what it can load fast and read clean, and a pre-built JSX site hands it both.

WordPress's SEO edge was always the plugins. Yoast and Rank Math make meta tags easy for someone who can't code. That's real. But the same plugin stack slows the site, and speed is a ranking signal. Google has used Core Web Vitals to rank pages since June 2021 (Google Search Central).

The numbers aren't close. Only 45% of WordPress sites pass Core Web Vitals on mobile (HTTP Archive Web Almanac, 2025). On a JSX site, the title, description, schema, and sitemap are written into the code once and never break on a plugin update.

Where the "React is bad for SEO" line comes from: client-side React. Every article saying React needs "extra setup" for SEO is talking about sites that skip pre-building. Next.js pre-builds by default.

03. Is a JSX Site Better Than WordPress for AI Search?

Yes, if it's pre-built. And this is where JSX pulls furthest ahead.

The crawlers behind ChatGPT and Claude don't run JavaScript. Vercel studied real crawler traffic and found none of the major AI crawlers render it (Vercel, "The Rise of the AI Crawler"). They read the raw HTML and move on.

Here's what each site looks like to ChatGPT:

• Client-side React site: ChatGPT sees a blank page. You don't exist.
• Pre-built JSX site: ChatGPT sees every word, every FAQ, every piece of schema, on the first fetch.
• WordPress site: readable, but heavy. Theme code and plugin scripts bury the answer the AI came for.

Google's Gemini is the exception. It renders JavaScript because it runs on Googlebot's setup. Everyone else reads HTML only.

Full breakdown: JSX vs WordPress for AI search.

04. Is a JSX Site Faster Than WordPress?

Yes. My JSX builds load in about 1.1 to 1.2 seconds on mobile. That's the production number, not a lab test.

WordPress loads theme files, plugin scripts, and database calls on every visit. A pre-built JSX page is already finished, sitting on a server close to your buyer. Nothing to assemble.

Speed is money. 53% of mobile visitors leave a page that takes longer than 3 seconds (Think with Google, 2017). A slow site doesn't just rank lower. It pays for clicks that bail before the phone rings.

Full breakdown: JSX vs WordPress for speed.

05. Is a JSX Site More Secure Than WordPress?

Yes. A pre-built JSX site has no plugins, no database, and no login page. There's nothing for a hacker to walk into.

WordPress had 11,334 new security holes in 2025, up 42% from the year before. 91% came from plugins (Patchstack, State of WordPress Security 2026). The median time from a hole going public to the first attack was five hours.

You can't patch in five hours. You're running a business. So the fix isn't faster patching. It's no plugins.

06. Do You Need a CMS With a JSX Site?

No. Your AI is the CMS now.

This was the one real knock on JSX. Every comparison says it: no admin panel, so every text change means paying a developer. For years that was true.

Here's how it works now. You tell Claude, ChatGPT, or Gemini what to change, in plain English. "Change the Saturday hours to 8 to 2." "Add this job photo to the gallery." It makes the change in the code, and it ships. Or you email me, and it's done inside 2 business days.

No dashboard to learn. No plugin to update. No login to get hacked. The "hard to edit" row in every JSX vs WordPress table is out of date.

Full breakdown: Control your website with AI.

07. Is a JSX AI Site the Same as an AI Website Builder?

No. An AI website builder is a closed platform. A JSX AI site is custom code that AI helped write, and you own it.

Builders like GoDaddy Airo or Hostinger's AI tool spit out a site in 30 seconds. You rent it. You can't take the code with you, and it looks like every other site that tool made.

A JSX AI site uses AI tools like Claude to write the React code faster. A person still plans the pages, writes for your buyer, and checks every line. The code is real, it's yours, and it runs anywhere.

That's why Google's AI Overview lumps them together and gets it wrong. Same word, different thing.

08. How Much Does a JSX Site Cost vs WordPress?

A custom JSX site costs $15,000 to $75,000 up front at most agencies. A custom WordPress site runs $3,000 to $15,000 (Verlua, 2026). WordPress is cheaper to start. No argument.

The start isn't the whole bill.

• Custom React, agency route: $15,000 to $75,000 to build, then $3,000 to $25,000 a year to host and maintain (Verlua, 2026). SEO is extra.
• WordPress: cheaper build, then hosting, premium plugins, theme renewals, and the $100 to $300 a month retainer most of my clients were paying just to keep it running. SEO is extra.
• The 100K Site: $0 down, $1,500 a month. Hosting, support, website updates, and SEO are all included. At month 24, the site and its code are yours.

Same ballpark as an agency React build. The difference is you're not writing a $15,000 check on day one, and you're not paying a second company for SEO.

Full breakdown with a calculator: JSX vs WordPress cost.

09. What About Headless WordPress?

Headless WordPress keeps the WordPress dashboard for writing and uses a React front end for the site people see. It's a real middle ground, and it's fast.

The catch: you now run two systems. WordPress is still back there, with its plugins, its updates, and its security holes. You also need a developer who knows both.

If you've got a team of writers who live in the WordPress editor, headless makes sense. If you're a service business, it's twice the moving parts to fix a problem AI already solved.

10. When WordPress Is the Better Choice

WordPress is the right call for some businesses. I'll say it plainly.

• You publish 50+ posts a year with five or more writers who need their own logins.
• You sell 500+ products and need WooCommerce's add-ons.
• You run a membership site with accounts, logins, and recurring billing.
• You want the cheapest possible start and you'll do your own upkeep.

If that's you, pick WordPress, pick a fast host, and keep your plugin count low.

If you run a service business and you need the phone to ring, it isn't you.

11. What 10k+ Builds Taught Me

FAQ