Website Uptime Monitoring
Enterprise technical SEO platform now called Lumar providing website intelligence with large-scale crawling, monitoring, and automated QA testing.
Custom quote
2010201-1,000London, UK
Technical SEO Auditing
Platforms for crawling websites and identifying technical SEO issues.
Log Analysis
Enterprise technical SEO platform that analyzes website crawlability, indexability, and rendering to maximize organic search performance at scale.
Custom quote
2012201-1,000New York, NY
SEO Rank Tracking
SEO website analyzer with site audit, rank tracker, backlink tracker, and on-page SEO checker.
Free plan
201711-50Kyiv, Ukraine
Content Performance Analytics
Ahrefs is an all-in-one SEO toolset offering site audits, keyword research, backlink analysis, rank tracking, and competitive analysis. It crawls the web continuously to maintain one of the...
Tiered plans · Free plan
2010Solo / freelancerSingapore, Singapore
SEO Rank Tracking
Russian-origin SEO platform with rank tracking, keyword research, and site audit tools for global markets.
Usage-based · Free plan
201011-50Moscow, Russia
SEO Rank Tracking
All-in-one SEO platform with rank tracking, keyword finder, SERP checker, web audit, and backlink tools at competitive pricing for growing teams.
Tiered plans · Free trial
201411-50Reykjavik, Iceland
Web Performance Optimization
Website quality management and technical SEO platform used by enterprise marketing teams in Europe.
Tiered plans · Free trial
201251-200Munich, Germany
International E-Commerce
Specialized tool for generating and validating hreflang tags for international SEO, ensuring proper language and regional targeting across multilingual sites.
Free plan
20161-10Remote
Log Analysis
Technical SEO platform with high-speed website crawler, log analyzer, Google Search Console integration, and crawl budget visualization.
Tiered plans · Free plan
2017201-1,000Austin, TX
SEO Rank Tracking
Enterprise SEO platform with rank tracking, site audits, and reporting focused on APAC and global markets.
Tiered plans · Free trial
20121-50Hong Kong
SEO Tools
Website crawler and SEO spider tool that audits sites for technical SEO issues including broken links, redirects, and metadata.
Free plan
20101-50Henley-on-Thames, UK
SEO Tools
Online sitemap generator that creates XML sitemaps for submission to search engines with support for up to 500 pages on the free plan.
Free plan
20051-10Remote
Developer Experience Platforms
SEO, web accessibility, and page speed audit tool for Chrome checking hundreds of rules.
Free plan
20171-10London, UK
Backlink Analysis
seoClarity is an AI-powered enterprise SEO platform that provides comprehensive tools for keyword research, content optimization, site audits, and performance tracking to drive organic searc...
Custom quote
200351-200Chicago, Illinois
SEO Tools
WordPress SEO plugin with multisite support.
Free plan
20151-10Paris, France
Content Performance Analytics
WordPress SEO plugin with schema and analytics.
Tiered plans · Free plan
2018Solo / freelancerDelhi, India
SEO Tools
SEO audit tool that scans websites weekly and provides prioritized to-do list of fixes for improving search rankings.
Tiered plans · Free plan
2017Solo / freelancerAmsterdam, Netherlands
SEO Tools
Website review and SEO audit tool that identifies marketing opportunities and generates branded reports.
Free plan
20111-50Brussels, Belgium
Content Performance Analytics
Free website analysis tool that identifies duplicate content, broken links, and page loading issues with comparisons to site averages.
Free · Free plan
20131-10Seattle, WA
SEO Tools
SEO tools suite for agencies.
Tiered plans · Free plan
201611-50Budapest, Hungary
SEO Tools
Free collection of technical SEO tools by Merkle including schema markup generators, robots.txt testers, hreflang tag generators, and fetch and render.
Free plan
20151,000+Columbia, MD
SEO Tools
All-in-one SEO plugin for WordPress with schema markup, XML sitemaps, and analytics.
Tiered plans · Free plan
200751-200San Francisco, CA
SEO Tools
WordPress SEO plugin optimizing content readability, meta tags, XML sitemaps, and schema markup to improve on-page search engine optimization.
Tiered plans · Free plan
2010Solo / freelancerWijchen, Netherlands
SEO Tools
Structured data testing and validation tool for technical SEO professionals with schema markup debugging and rich results preview.
Freemium
20201-10Remote
Link Management
Lightweight desktop link checker that crawls websites to find broken links, generate sitemaps, and export results for technical SEO auditing.
Free · Free plan
20001-10Berlin, Germany
Technical SEO Auditing
Chrome extension and tool for auditing HTTP redirects, header responses, and client-side redirects to ensure proper technical SEO implementation.
Custom quote · Free plan
20151-10Henley-on-Thames, UK
SEO Tools
Desktop website crawler for technical SEO audits providing visual reports, prioritized hints, and JavaScript rendering analysis.
Tiered plans · Free trial
2017Solo / freelancerBristol, UK
E-Commerce SEO
SEO audit and fix app for Shopify stores.
Under $50/month
20171-10Berlin, DE
Real-Time Analytics
Real-time SEO monitoring platform that continuously audits website content for technical SEO issues, content changes, and optimization opportunities.
Free trial
201511-50Amsterdam, Netherlands
Content Performance Analytics
Technical SEO platform combining web crawling with data science to audit site structure, content quality, and search performance.
Starts at $69/mo
201351-200Bordeaux, France
SEO Rank Tracking
SEO software suite with keyword research, rank tracking, link building, and site auditing for marketers and agencies.
Tiered plans · Free plan
2004Solo / freelancerSeattle, WA
Backlink Analysis
Advanced link auditing and building toolkit analyzing backlink profiles, detecting toxic links, and providing link building opportunities.
Tiered plans · Free trial
200611-50Vienna, Austria
SEO Tools
SEO software suite with keyword research, content assistant, site auditor, and backlink analyzer for digital marketers.
Tiered plans · Free trial
2020Solo / freelancerRemote
Metadata Management Platforms
Pixpa is a no-code website builder tailored for photographers, artists, designers, and other creative professionals.
Tiered plans · Free plan
2013Solo / freelancerNew Delhi, India
Technical SEO Auditing
SEO entity optimization tool using NLP to build knowledge graphs, automate internal linking, optimize content entities, and generate schema markup.
Mid-Range
20191-10London, UK
Technical SEO Auditing
Content quality analysis platform using AI to detect thin, duplicate, and low-quality pages that impact SEO performance and crawl efficiency.
Mid-Range
20181-10Madrid, Spain
Technical SEO Auditing
Enterprise structured data management platform that helps organizations create, deploy, and maintain schema markup for rich search results.
Mid-Range
201511-50Guelph, Canada
Technical SEO Auditing
SEO automation platform using edge computing to implement meta tags, redirects, and structured data without developer involvement.
Mid-Range
20161-10Miami, FL
Technical SEO Auditing
Image optimization plugin and API for WordPress that compresses images with lossy, lossless, and ultra compression levels.
Freemium
201611-50Lyon, France
Technical SEO Auditing
Image optimization service with lossy and lossless compression, WebP/AVIF conversion, and CDN for faster website loading.
Freemium
201411-50Bucharest, Romania
Technical SEO Auditing
WordPress performance optimization plugin with critical CSS generation, JavaScript delay, and advanced caching features.
Mid-range
20211-10Remote
Technical SEO Auditing
Lightweight WordPress performance plugin for disabling unused features, managing scripts, and optimizing page speed.
Mid-range
20181-10Remote
Technical SEO Auditing
Smart PNG and JPEG compression tool that reduces file sizes while preserving image quality for faster web pages.
Freemium
20131-10Amsterdam, Netherlands
Technical SEO Auditing
WordPress caching and performance optimization plugin with page caching, lazy loading, and file optimization.
Mid-range
201351-200Lyon, France
Technical SEO Auditing
Dynamic rendering for JavaScript SEO.
$50-$500/month
201351-200Budapest, Hungary