WTM LAB Meta SEO Scanner by WTM LAB

WTM LAB Meta SEO Scanner is a powerful Firefox add-on. It automatically extracts critical on-page SEO elements from any visited webpage — including meta tags, canonical URLs, schema markup, H1..H6, Image alt tags.

With a clean, user-friendly interface divided into three distinct tabs, this extension offers the following features:

Head Tags Overview:
View key on-page data such as the document title, meta description, keywords, canonical URL, and schema markup (LD+JSON). It also displays structured data from Open Graph, Twitter Card, and Dublin Core meta tags—each section clearly labeled with counts for easy verification.

Hyperlinks & URLs Analysis:
Automatically distinguishes between internal and external hyperlinks. The extension displays the anchor texts and URLs, along with totals, so you can assess your internal linking strategy and detect any off-page linking patterns.

Images & Alt Attributes:
Quickly review all image sources along with their corresponding alt attributes. This feature not only assists with ensuring proper image optimization but also aids in accessibility checks and visual SEO performance.

The add-on leverages a safe and efficient DOM extraction method, ensuring that content is securely processed and dynamically rendered using best practices. Whether you’re auditing a competitor’s site or optimizing your own, WTM LAB Meta SEO Scanner provides an at-a-glance view of crucial SEO factors—all from within your Firefox browser.