Base SEO - The Free
On-Page Audit
Tool for Professionals
A Chrome extension that helps you comprehensively audit SEO structure, images, links, and website performance with just one click.
Capabilities
Advanced Feature Ecosystem
On-page Overview
Deeply analyze Title, Description, Robots declaration, and Sitemap in just seconds.
Content Structure
Visualize HTML H1-H6 tags hierarchy, highlight Headings directly on the page to optimize reading experience.
Image Management
Automatically check for missing ALT tags, warn about oversized image files causing slow page load.
Link Analysis
Clearly separate Internal/External links, quickly identify Dofollow/Nofollow attributes.
Quality Control
Smart Link Audit: Detect broken links (404) and complex redirect chains.
Quick Audit Tools
Instantly connect to PageSpeed, Rich Results, and Wayback Machine to look up domain history.
Exclusives
Exclusive SERP Optimization Features
Tools available only at Base SEO, designed to change how you observe competitors on Google.
Highlight Nofollow Link
Automatically highlight Nofollow links with striking red visuals, helping you control the flow of your website's authority.
Live Preview:
Local Search Customizer
Customize geographical location & language to view actual search results from any country.
SERP Counter
Automatically number search results.
Search Result 100
Break the default 10-result limit. Display 100 results on a single page for large-scale competitor analysis.
Message from the Founder
"My motivation to create Base SEO stems from my early career days, struggling with dozens of fragmented tools to audit a single website. I understand that time is an SEO professional's most valuable asset."
"With years of experience in search engine optimization, I want to deliver a streamlined, powerful, and completely free solution for the community. Base SEO is not just a tool, it's a labor of love dedicated to helping everyone pursue SEO more professionally and precisely."
Founder @ Base SEO
Expert Search Architect