Free SEO & Security Tools
Meta tag checker, SERP preview, schema validator, SSL checker, and more. No signup, no limits, just fast, honest tools for WordPress sites.
SEO Tools
Optimize how your pages appear in search results and how AI models parse your content structure.
Meta Tag Checker
Analyze any page's meta tags, Open Graph, Twitter Cards, canonical URLs, and more. Get a grade with actionable recommendations.
- Title & description analysis
- Open Graph & Twitter Cards
- Canonical & robots check
- Graded A-F with recommendations
SERP Preview Tool
See exactly how your page will appear in Google search results. Live preview with character counters and pixel-width estimates.
- Desktop & mobile previews
- Real-time character counters
- Pixel-width estimation
- 100% client-side
Schema Markup Validator
Validate your JSON-LD structured data against Google's requirements. Check any URL or paste your schema for instant validation.
- 16 schema types supported
- Required & recommended checks
- @graph array support
- Syntax-highlighted viewer
Security Tools
Audit your site's security posture, HTTP hardening headers, and TLS configuration.
WordPress Security Scanner
Scan your WordPress site for 12 common security vulnerabilities. Checks for debug mode, XML-RPC, user enumeration, directory listing, and more.
- 12 security checks
- WordPress-specific analysis
- Severity-rated findings
- Actionable recommendations
Plugin Security Scanner
Scan any WordPress.org plugin's source code for security vulnerabilities. Static analysis checks for SQL injection, XSS, command injection, and more.
- 20 security rules
- Source code analysis
- A+ to F grading
- Embeddable security badge
HTTP Headers Checker
Analyze your website's HTTP security headers. Checks for Content-Security-Policy, HSTS, X-Frame-Options, and 5 more critical headers.
- 8 security headers analyzed
- Weighted scoring system
- Misconfiguration detection
- Implementation guidance
SSL Certificate Checker
Verify your SSL/TLS certificate health. Check expiration dates, certificate chain, TLS version, hostname matching, and key strength.
- 6 certificate checks
- Expiry monitoring
- Chain validation
- TLS version verification
Why Do WordPress Sites Need Free SEO and Security Audits?
According to BrightEdge, 68% of online experiences begin with a search engine. If your meta tags are misconfigured or your schema markup is invalid, you lose visibility before a visitor ever reaches your site. On the security side, Sucuri reported in 2025 that 90% of hacked CMS sites run WordPress, making regular security audits essential, not optional.
We built these tools because we saw the same problems recurring across the thousands of WordPress sites running our plugins. Site owners would install SEObolt Pro and discover their title tags were truncated, or deploy GuardPress Pro and realize their HTTP security headers were completely missing. For example, a WooCommerce store owner might have perfect product pages but no Content-Security-Policy header, leaving the site vulnerable to cross-site scripting attacks.
Each tool targets a specific audit. Our Meta Tag Checker and SERP Preview Tool help you optimize how your pages appear in search results. The Schema Validator checks structured data types such as Article, FAQ, Product, and HowTo against Google's requirements. On the security side, our WordPress Security Scanner, HTTP Headers Checker, and SSL Checker identify vulnerabilities such as exposed XML-RPC, missing HSTS, and expired certificates before attackers do.
"The best time to find a security vulnerability is before an attacker does. Free, accessible scanning tools lower the barrier so every site owner can take that first step." Patchstack, State of WordPress Security (2025)
What Does Each Tool Check?
A quick comparison of all six free tools, what they analyze, and the type of score or report you receive. According to Semrush (2025), the average website has over 130 technical SEO issues. These tools help you find the most impactful ones first.
| Tool | What It Checks | Score Type |
|---|---|---|
| Meta Tag Checker | Title, description, Open Graph, Twitter Cards, canonical URL | Letter grade (A-F) |
| SERP Preview | Title pixel width, description length, mobile truncation | Visual preview (desktop + mobile) |
| Schema Validator | JSON-LD syntax, required properties, 16 schema types | Pass/fail with warnings |
| Site Security Scanner | 12 WordPress-specific vulnerabilities (debug mode, XML-RPC, user enumeration) | Severity-rated findings |
| Plugin Security Scanner | 20 source code checks (SQLi, XSS, RCE, input validation, ABSPATH) | Letter grade (A+ to F) + badge |
| HTTP Headers Checker | 8 security headers (CSP, HSTS, X-Frame-Options, Permissions-Policy) | Weighted percentage score |
| SSL Certificate Checker | Expiration, certificate chain, TLS version, key strength | 6-point health check |
In our experience, running all six tools takes under five minutes and covers the most critical SEO and security checks for any WordPress site. For instance, we tested a client's membership site and found an expired SSL certificate, missing Open Graph tags, and three exposed security headers, all fixable within an hour.
Looking for More WordPress Security Resources?
Want the Full Toolkit?
Go beyond free tools. SEObolt Pro automates your entire SEO workflow, while GuardPress Pro protects your site 24/7.