Bing SEO Analyzer helps you audit on‑page factors, backlinks, and performance metrics. Below is a curated list of 20 **free** SEO tools that provide similar insights—keyword research, site crawling, backlink checks, technical audits, and more—without any cost.
Get targeted exposure with custom position pinning and highlighted placement.
Official Google tool for monitoring indexing, search performance, mobile usability, and security issues.
Microsoft’s counterpart to Google Search Console; offers crawl reports, keyword research, and SEO analysis.
Keyword research, site audit (up to 3 reports/month), backlink data, and traffic insights.
Desktop crawler that scans up to 500 URLs for broken links, redirects, meta data, and duplicate content.
Free site audit and backlink checker for verified website owners; shows health score, crawl errors, and link profile.
Limited daily queries for site audit, keyword overview, and backlink checks; great for quick snapshots.
Provides up to 10 free backlink queries per month, domain authority, and spam score.
All‑in‑one SEO checker with on‑page audit, backlink analysis, and keyword monitoring for up to 20,000 pages.
Instant SEO audit covering meta tags, speed, mobile friendliness, and security with a simple score.
Toolbar for Chrome/Firefox that displays SERP metrics, page health, and keyword density on the fly.
One‑page SEO report with on‑page, mobile, and social insights; limited to 5 free reviews per month.
Cloud‑based crawler that audits technical SEO, internal linking, and provides visual site maps.
Online tool that checks meta tags, headings, image alt text, and page speed for a single URL.
Free suite including backlink checker, keyword density tool, and on‑page SEO analyzer.
WordPress plugin offering on‑page SEO analysis, schema markup, and sitemap generation.
Popular WordPress plugin that provides readability and SEO scores for each page/post.
Analyzes page performance and provides actionable recommendations for speed and Core Web Vitals.
Free website speed test combining Google PageSpeed and YSlow metrics with waterfall charts.
Generates visual keyword ideas and question-based queries based on Google’s autocomplete data.
Shows search volume, CPC, and related keywords directly in Google search results.