T Themerella
Website Intelligence Tool

Free website tech stack, SEO, accessibility, and security checker.

Enter a URL and get a shareable report showing what the site is built with, what quality issues exist, and what to fix first.

Safe public URL scan. Results include technology evidence, SEO checks, security headers, accessibility basics, and a developer fix list.

Try:
P0 Tools

One scanner engine, multiple high-intent tool entrances.

Each tool page starts with the same URL input and resolves into a full Themerella report.

Tool

Free Website Tech Stack Checker

Enter any URL to detect CMS, frontend framework, hosting/CDN, analytics, WordPress theme/plugin signals, payment tools, and evidence.

 Tool

Free Website Quality Checker

Scan a website for technology, SEO, performance signals, accessibility basics, security headers, and a prioritized fix list.

 Tool

Free WordPress Theme Detector

Detect whether a site uses WordPress, identify theme and plugin asset signals, and find legacy ThemeRella/Boo traces.

 Tool

Free SEO Checker

Check title, meta description, canonical, robots, sitemap, headings, Open Graph, links, schema, and indexability issues.

 Tool

Free Security Headers Checker

Check HTTPS, HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy, cookie flags, and server header signals.
Use Cases

Turn one URL scan into a workflow.

Start with a free scan, then move into client audits, competitor research, WordPress cleanup, technical SEO, or security-header monitoring.

Use case

Client Website Audit Reports for Agencies

Use Themerella to turn a client URL into a tech stack, SEO, accessibility, security, performance, and fix-list report.

Use case

Competitor Tech Stack Research from a URL

Find public technology, analytics, hosting, CMS, framework, pixel, payment, and support-widget signals on competitor websites.

Use case

WordPress Site Cleanup and Legacy Theme Checks

Detect WordPress theme/plugin paths, version hints, page-builder signals, WooCommerce assets, and ThemeRella/Boo legacy traces.

Use case

Technical SEO Audit from One URL

Check title, meta description, canonical, robots, sitemap, headings, internal links, schema, Open Graph, and indexability signals.

Use case

Security Header Audit for Public Websites

Check HTTPS, HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, and cookie flag signals.
Differentiation

Detection with evidence, risk, and next actions.

The report does not only show logos. Every technology includes a category, confidence level, and public evidence. Every issue turns into a developer-ready fix task.

Themerella Score 78/100
  • Detected: WordPress · Cloudflare · GA4 · WooCommerce
  • Top issue: Missing Content-Security-Policy header
  • Action: Copy fix list · Save PDF · Monitor later