Free WordPress Tools — Site Detector, Speed Test, Built With

Free WordPress Tools – Diagnose, Test & Compare Any Website

6 free, browser-based tools for WordPress site owners, developers, and SEO pros. No signup, no install, no email.

A Complete Toolkit for WordPress Site Owners

Whether you’re auditing your own site, researching a competitor, or running client reports, these six tools cover the most common WordPress workflows. Every tool runs entirely in your browser — no data is stored on our servers, and you never need to create an account.

WP Site Detector

All-in-one WordPress site auditor. Detect themes, plugins, SEO health, and performance in a single scan.

Detects 50+ popular WP themes & plugins
SEO & security audit (15+ checks)
Performance scoring with actionable tips

Try WP Site Detector →

Is It WordPress?

Instantly find out if any website is built on WordPress — and which theme it uses.

One-click WordPress detection
Theme & hosting identification
No API key or signup required

Check Any Site →

HTTP Headers Analyzer

Audit security, caching, and performance HTTP response headers. Get a letter grade (A–F) with one click.

Checks 12+ critical response headers
Security scoring (HSTS, CSP, X-Frame-Options)
Actionable fix recommendations

Analyze Headers →

WP Speed Test

Measure real-world page load time, total size, request count, and Core Web Vitals metrics.

Real browser-based performance test
TTFB, FCP, LCP, CLS, and TBT metrics
Resource breakdown by type

Run Speed Test →

Built With Detector

Discover the full tech stack of any website — CMS, CDN, analytics, fonts, frameworks, and more.

17 categories, 150+ technology fingerprints
Detects CDN, analytics, fonts, eCommerce, etc.
Export full report as PDF

Detect Tech Stack →

Tech Stack Comparison

Put two websites side by side and instantly see common, similar, and unique technologies.

Side-by-side diff view
17 categories compared at once
Export comparison as PDF

Compare Two Sites →

Not Sure Which Tool You Need?

Match your goal to the right tool in seconds.

🩺 If you want a full health check on your WP site…

Use WP Site Detector

🔍 If you just want to know “is this site WordPress?”…

Use Is It WordPress?

🛡️ If you want to audit security & caching headers…

Use HTTP Headers Analyzer

⚡ If you want to measure real page load speed…

Use WP Speed Test

🧬 If you want to discover a site’s complete tech stack…

Use Built With Detector

⚖️ If you want to compare two websites side by side…

Use Tech Stack Comparison

Why Use RocketWP Tools?

Instant Results

Get a full analysis in under 30 seconds — no setup, no waiting.

100% Private

No data is stored on our servers. No account. No tracking pixels.

Always Free

No paywalls, no watermarks, no usage caps. Use them as much as you want.

WP-Focused

Built by WordPress experts. Detection rules updated every month.

Yes — all six tools are 100% free with no signup, no hidden limits, and no watermarks. You can run as many scans as you want.

No. Every tool runs directly in your browser. You only enter the URL of the site you want to analyze — your own site, a competitor, or any other public website.

No. Scans are performed in real time and results are returned directly to your browser. We do not persist scan data, and we do not share or sell any information to third parties.

Absolutely. Many freelancers and agencies use our tools to generate client reports. The Built With and Tech Stack Comparison tools also support one-click PDF export so you can deliver polished reports in seconds.

Our detection database is updated monthly to keep up with new plugins, themes, CDNs, analytics tools, and JavaScript frameworks. Each tool shows you the version it used on the report.

Not yet. If you need programmatic access for bulk audits, please get in touch — we’re tracking interest in a paid API tier.

Want Even Deeper Insights?

Combine multiple tools for a complete site audit: start with the Site Detector, then check HTTP headers, run a speed test, and export the result as a PDF report.