List of the Top 25 Free SEO Software in 2026

Semrush One is a unified digital marketing and AI visibility platform designed to help brands win across every search surface. It brings together SEO, content, traffic analysis, advertising, social media, local optimization, and AI search insights into one ecosystem. The platform supports visibility tracking across Google and leading AI engines such as ChatGPT, Perplexity, and Gemini. Semrush One leverages one of the largest AI-powered marketing databases in the world, including billions of keywords and trillions of backlinks. Marketers can measure brand discovery, trust, and performance wherever audiences search for information. AI visibility and sentiment tools help brands understand how they are perceived in generative search results. Advanced analytics connect performance data to revenue, ROI, and business outcomes. Enterprise features allow large teams to automate workflows and scale globally. Competitive intelligence tools reveal market share, gaps, and emerging opportunities. Local and social toolkits support consistent brand presence across channels. Advertising and AI PR features strengthen reach and authority. Semrush One empowers brands to move faster, make smarter decisions, and stay ahead in a rapidly evolving search landscape.

Seobility systematically crawls every page linked to your site to identify any errors. Each section of the check highlights pages with errors, concerns related to on-page optimization, or content issues like duplicate content. Additionally, you can review all pages using our page browser to pinpoint specific problems. Our crawlers continuously monitor each project to ensure your optimization efforts are progressing. In the event of server errors or significant issues, our monitoring service will alert you via email. Seobility also offers an SEO audit along with various suggestions and techniques to resolve any identified issues on your site. Addressing these problems is crucial for Google to effectively access your relevant content and comprehend its significance, facilitating better alignment with appropriate search queries. Ultimately, this comprehensive approach can enhance your website's overall search visibility and performance.

SEOLinkMap solves the biggest SEO problem: wasting money on the wrong things. Most businesses fail by missing critical needs while spending on factors that don't help rankings. We prevent four common SEO failures that drain budgets: missing must-have items, not focusing on high-impact areas, wasting money on useless factors, and missing safe bets with big returns. Our system shows exactly where to invest versus where to avoid spending. Instead of guessing what Google wants, you see what Google rewards right now for your keywords. Every SEO factor gets sorted into four clear groups: Table Stakes you must have, Opportunity Zones where you win or lose, Resource Waste Zones to avoid, and Judgment Calls for low-effort tests. Recent analysis example: HTTPS shows zero variation across top results (absolute requirement), while page speed shows 65% correlation with huge gaps between competitors (major opportunity). Internal links show weak correlation (waste zone). Visual maps make complex data easy for business teams. Everything works with Google Analytics and Search Console for complete budget guidance. Pricing fits any size: free testing, monthly plans, or pay-per-analysis. Professional help available when needed. We give clear numbers with correlation data and confidence levels. When we don't have enough data for solid advice, we tell you. Business impact: clients stop wasting money on generic SEO advice. They focus resources where math proves real impact. One saved week of wrong effort pays for the tool many times over. Built for agencies, teams, and owners who want objective math guiding SEO investments.

Introducing Articly.ai, a revolutionary platform designed to craft high-quality blog posts and articles that enhance your digital footprint and boost your SEO initiatives. Born from the collaboration of expert SEO specialists and top-tier AI innovators in Silicon Valley, Articly.ai provides remarkable speed and accuracy, enabling users to effortlessly create and publish content that is fully optimized for search engines. With Articly.ai, you'll be able to: - Generate and publish completely SEO-friendly articles in mere seconds, conserving both time and resources. - Automate your blog postings and replace your current SEO content creator, allowing your team to dedicate their efforts to other important projects. - Access an extensive collection of commercially-licensed images that beautifully enhance your written material. - Benefit from an impressive 99.98% success rate in AI detection, guaranteeing the relevance and quality of your content. - Instantly create HTML and a table of contents, complete with headers tailored specifically to your branding and subject matter. - And so much more! Articly.ai is not just a tool; it's an essential partner for marketers, bloggers, and business owners alike, equipping you with everything you need to produce engaging, shareable content that effectively attracts traffic and fosters audience interaction. As you harness the power of Articly.ai, watch your online presence flourish like never before.

SEMAI stands out as an innovative AI-powered SEO tool that transforms the landscape of digital marketing strategies. Unlike typical SEO tools, SEMAI serves as an all-encompassing recommendation system designed to optimize and refine Search Engine Optimization efforts. What features does SEMAI bring to the table? This robust tool is essential for both SEO and marketing experts. Header Tag Generation: Automatically generate and refine header tags to maximize SEO performance and improve content structure. Predictive Threat Analysis of Keyword Rankings: Leverage advanced predictive AI technology to foresee potential threats to keyword rankings, allowing for timely interventions to safeguard online visibility. Custom Content Creation: Develop tailored content that aligns with various stages of the marketing funnel, which boosts user engagement and relevance. Competitor Strategy Monitoring: Keep an eye on competitor strategies by scrutinizing changes in headers, content, and shifts in keyword rankings, ensuring you stay one step ahead in the competitive landscape. Overall, SEMAI equips professionals with the necessary tools to enhance their SEO strategies effectively.

CSS HTML Validator is a robust, user-friendly web development tool available for Windows, Mac, and Linux, designed to swiftly and effectively validate HTML/HTML5, CSS, accessibility, SEO, PHP, XHTML, JavaScript, links, htmx, and more. This tool not only provides invaluable and customizable recommendations but also warns users about outdated or proprietary tags, attributes, and CSS elements. Ensuring that your website is free of broken links and other issues resulting from poorly constructed HTML and CSS is essential to retaining visitors. The latest iteration of CSS HTML Validator boasts enhanced support for HTML and CSS, improved accessibility checks, htmx compatibility, new color schemes for editors, and various other enhancements. Additionally, the Pro edition features a Batch Wizard that allows users to validate entire websites and multiple HTML documents simultaneously, generating a comprehensive validation report in HTML format. You can explore CSS HTML Validator Pro for Windows at no cost for either 200 validations or a duration of 30 days, whichever occurs first, while a limited free version of htmlval is also accessible for Mac and Linux users. Overall, this tool serves as a crucial asset for web professionals aiming to improve their site's quality and performance.

Rankscale.ai is an innovative platform dedicated to optimizing and tracking AI search visibility, helping businesses stay competitive in the era of AI-driven search engines. The platform provides real-time insights into AI search rankings, allowing businesses to adjust their strategies based on performance data. With its AI-powered analytics, Rankscale.ai offers features such as keyword tracking, competitor analysis, and detailed SEO insights, helping businesses improve their content strategies and boost their online presence. As AI continues to shape the search landscape, Rankscale.ai ensures that businesses are equipped to maximize their visibility and engagement.

SeoSamba's Marketing Operating System (MOS) is a cloud-based marketing solution tailored for both small enterprises and larger, multi-location businesses. This comprehensive system encompasses a variety of effective tools designed to establish a robust and straightforward online presence. Users can take advantage of numerous functionalities, including SEO tools, platforms for Google and Facebook reviews, email marketing capabilities, and social media marketing resources, all complemented by a mobile application, VoIP services, call tracking features, and text messaging tools. Additionally, SeoSamba MOS integrates flawlessly with SeoToaster Ultimate CRM, enhancing user experience. It also provides two mobile companion applications, one for social media and another for managing leads and CRM, allowing for business oversight on the go. Moreover, solution providers have the option to private-label the SeoSamba MOS, offering tailored solutions to their clients.

SiteAnalyzer is a powerful tool that enables users to perform a swift SEO assessment by scanning URLs of a website. This tool can be instrumental in addressing technical issues while enhancing overall SEO performance. By scanning the entire site, it provides comprehensive insights into each individual page's status. With SiteAnalyzer, users can easily pinpoint and rectify both SEO and technical errors! The platform offers an array of features designed to facilitate efficient website audits and SEO optimization. Users are able to identify broken links and missing pages through its URL scanning capability. It's essential to examine the 301 and 302 redirects, whether they are temporary or permanent, on a website. Additionally, optimizing title tags, keywords, and description tags while eliminating duplicates is crucial. Users should also look for internal and external links that lead to their website. The tool can calculate the Google PageRank for every page, providing valuable metrics for analysis. Unlike many other crawlers, SiteAnalyzer allows you to save your projects for easier access, streamlining the workflow. Importantly, it operates with minimal resource consumption, making it suitable for websites of any size, ensuring efficiency without sacrificing performance. This versatility makes SiteAnalyzer a go-to solution for anyone looking to improve their website's visibility and technical health.

Indexly is a comprehensive AI-powered Technical SEO platform designed to accelerate the discovery of websites by search engines and LLMs alike. It serves a diverse array of online entities, such as content-heavy sites, news outlets, e-commerce businesses, and SEO agencies, facilitating in-depth analysis, swift indexing, and continuous oversight of web pages via a user-friendly dashboard. Notable features of Indexly encompass: - Automated indexing to hasten recognition by Google and LLMs - Thorough evaluations of URL health combined with technical SEO assessments - Discovery of keyword opportunities - Improved brand visibility through LLMs - Collaborative features for teams and an advanced dashboard The following sectors can benefit from Indexly's offerings: 1. SEO Agencies & Consultants - Effortlessly manage multiple client websites with ease. 2. News & Media Outlets - Emphasize the significance of speed in the content publication cycle. 3. E-commerce Websites - Ensure optimal visibility for product pages and timely promotions. 4. Startups & SaaS Businesses - Foster organic growth through strategic SEO methodologies. 5. Bloggers focused on travel, lifestyle, and affiliate marketing - Boost the visibility of their content. 6. Job Portals & Classified Ads Platforms - Keep listings highly visible to potential users. In summary, Indexly is an essential resource for anyone aiming to elevate their online visibility and enhance their search engine performance, ultimately driving more traffic and engagement to their digital platforms. Moreover, it empowers businesses to stay competitive in an ever-evolving digital landscape.

HubSpot Marketing Hub is designed to enhance your website traffic, convert prospective leads, and demonstrate your return on investment effectively. This comprehensive marketing platform equips brands and marketers with the tools necessary to initiate and sustain impactful campaigns that elevate their visibility. Its features encompass SEO techniques, blog writing, content management systems, and the utilization of various social media platforms, including Facebook, LinkedIn, and Twitter. By utilizing Marketing Hub, you and your team can not only boost traffic and convert leads but also monitor your entire sales funnel efficiently. You can easily create professional email templates and landing pages using drag-and-drop functionality. The platform allows for the swift publication of blog posts, establishing your credibility in any subject area and enhancing your online presence. Furthermore, your content is designed to be responsive, ensuring that it is accessible across all devices. With real-time SEO suggestions and an adaptable content strategy for contemporary search trends, this tool is indispensable for modern marketing efforts. Additionally, you can explore numerous resources and insights to maximize your marketing impact.

Pulno is a comprehensive website analysis tool that examines various aspects of websites to identify potential problems. It evaluates essential SEO factors, including site performance, the presence of broken links, missing alternate descriptions, link depth, and content-related issues. Additionally, Pulno has the capability to keep track of any modifications made to a website over time. With its Unique Content Analyzer, it identifies duplicate content both on the site itself and externally. Furthermore, Pulno carries out thorough website audits and delivers in-depth reports that include practical recommendations for improvement. This makes it an invaluable resource for anyone looking to enhance their website's performance and search engine rankings.

Experience the ultimate WordPress page builder that allows you to oversee every element of your web design process from a single interface. It's straightforward and adaptable, granting you the ability to design purely through visual means. Not only can you create websites that enhance loading speeds, but you can also accelerate your development workflow. This comprehensive design platform delivers pixel-perfect results alongside clean coding practices. Transform your creative ideas into breathtaking, tailor-made websites effortlessly. You can easily craft forms and seamlessly connect them to your preferred marketing solutions, boosting your traffic, leads, and conversion rates. Elementor thrives as an open-source platform with a vast community of contributors who have developed themes, add-ons, and other tools to enhance its capabilities. Designed with you in mind, it caters to developers, marketers, entrepreneurs, and designers alike, providing equal opportunities for all. Whether you're designing eye-catching landing pages, setting up a blog, or personalizing your online shop, Elementor empowers you to bring your vision to life. With its versatility and user-friendly interface, anyone can harness the full potential of web design without prior expertise.

SE Ranking is a comprehensive cloud-based platform designed for search engine optimization (SEO) that caters to webmasters. Its user-friendly interface makes it accessible, providing a full suite of tools for monitoring keyword rankings, auditing websites, and analyzing both competitor SEO and pay-per-click (PPC) strategies. Features include keyword suggestion and organization, backlink tracking, and automated reporting for professional use. Users can monitor their website's keyword performance in real-time across various nations, cities, and regions on major search engines like Bing, Google, and Yahoo. Additionally, this platform enables users to enhance their online visibility and optimize their digital marketing efforts through its extensive analytical capabilities.

Elevate your SEO strategy and achieve lasting success with SERPUPDATE — the swift, accurate, and scalable keyword ranking tool preferred by marketers around the world. SERPUPDATE delivers reliable keyword analytics, real-time tracking, and precise location-specific results across over 200,000 regions and more than 200 countries. Effortlessly monitor thousands of keywords, explore competitor search engine result pages (SERPs), and generate comprehensive charts to transparently assess your campaign's effectiveness. With features like automated scheduling, bulk checks, and credits that never expire, SERPUPDATE takes the hassle out of manual tracking, ensuring your SEO reporting is both efficient and cost-effective. You can seamlessly export your data to Excel and track rankings across platforms such as Google, AI Overview, Bing, Baidu, Yahoo, Naver, and Seznam, achieving pinpoint accuracy down to the city or district level. Its intuitive interface, combined with its extensive functionalities, makes SERPUPDATE an indispensable asset for any dedicated marketer aiming to enhance their digital footprint. Additionally, its continuous updates ensure that you stay ahead of the competition in the constantly evolving landscape of search engine optimization.

Yoast is committed to making search engine optimization accessible to everyone, with the goal of empowering both individuals and businesses to improve their rankings in search results. Our extensive range of resources, which includes a powerful SEO plugin, a wealth of informative blog posts, and educational online courses, aims to assist corporations of all sizes as well as smaller websites in attracting the traffic they desire. Recognized as the leading SEO plugin for WordPress, Yoast SEO significantly boosts visibility on search engines like Google and Bing, while also increasing engagement from various social media platforms. We provide tools and guidance that walk users through every essential step, removing the necessity to hire or consult an SEO expert. With the help of Yoast, anyone can enhance their online visibility, even without prior knowledge or experience in search optimization, ensuring that the digital landscape is navigable for all. Ultimately, our mission is to democratize SEO, making it approachable and achievable for everyone involved in the online space.

Marketing Miner serves as an essential SEO tool designed for marketers who rely on data to optimize their strategies. With an impressive array of over 40 features, it empowers users to enhance their website rankings and visibility effectively. Its intuitive interface coupled with the capability for bulk data analysis makes it an efficient choice, allowing users to conserve both time and effort in their marketing endeavors. Users can effortlessly gather critical data insights and analyze as many as 100,000 keywords or URLs in just one click, which significantly enhances their SEO approach. Marketing Miner enables rapid identification of technical problems on your website, reveals which landing pages and keywords generate the highest traffic, and facilitates detailed technical SEO audits and competitor assessments. Additionally, it allows you to track mentions of your brand, scrutinize key terms within your industry, uncover new link-building prospects to enhance your backlink profile, and create an effective content marketing strategy. Key features include: - Comprehensive Keyword Research - In-depth SEO Audits - Real-time Rank Tracking - Thorough Competitor Analysis - Proactive Brand Monitoring - Strategic Link Building - Efficient Bulk Data Analysis - Flexible API Access Utilizing Marketing Miner can truly transform how you approach your digital marketing efforts.

Google utilizes machine learning to understand the context of different content formats. With our innovative tool, you can create content that is tailored for optimal Google rankings! We offer a sophisticated content editing platform for AI that supports 60 different languages. Our service is unique in the market, allowing you to analyze your website's content while comparing it to top-performing results on Google. This tool helps you pinpoint the strengths and weaknesses of the keywords used in your articles, as well as those utilized by your competitors. Moreover, it enhances your writing workflow, considerably cutting down on the time required for content creation and ensuring that you consistently deliver high-quality articles with ease. Additionally, our platform provides real-time suggestions to further refine your content, making it an invaluable resource for writers looking to improve their online presence.

Serpstat serves as a powerful growth hacking tool designed for both SEO and marketing endeavors. With the Serpstat plugin, analyzing a website becomes a straightforward task, eliminating the hassle of prolonged searches for reports. This plugin provides rapid access to comprehensive information about any domain, streamlining your research process. To fully leverage Serpstat's capabilities, we encourage you to explore our Manual and Use Cases pages, which offer valuable insights. By utilizing these resources, you can outpace your competitors and establish yourself as a leader in search rankings. The freemium model allows users to delve into keyword research, competitor analysis, and gain a solid understanding of Serpstat's functionalities. Don’t hesitate to register for a free account today! If you find yourself unsure about how to navigate a specific feature or require assistance with setting up domain tracking, rest assured that our dedicated support team is readily available to provide guidance and answer any queries you may have. We are committed to ensuring your experience with Serpstat is as seamless as possible.

Boost your website's traffic instantly! The WordPress SEO plugin is efficient, user-friendly, and robust. It allows for quick and effortless optimization of your WordPress site's SEO. You'll find all essential features bundled into one plugin: sitemaps, breadcrumbs, redirection options, and schema support. With the convenient Install Wizard, you can easily turn features on or off and adjust your title tags in just seconds. It leaves no trace in the source code, contains no ads, and does not send anonymous data, offering a white label experience even in its free version. You have the ability to manage your meta descriptions, meta robots, and titles (including noindex for every page, post, custom post type, and archive.html). The plugin generates XML sitemaps for your pages, custom post types, term taxonomy, as well as for images, videos, and news content, which enhances search engine crawling. Additionally, utilizing Open Graph tags for platforms like Facebook, Pinterest, Twitter Card, and Google Knowledge Graph can significantly enhance the sharing capabilities across social networks. This comprehensive approach ensures your site remains competitive in the digital landscape.

Improving page load speed enhances user satisfaction, boosts search engine rankings, and increases the number of views on your site. ShortPixel utilizes cutting-edge compression technology to minimize image size while preserving quality, resulting in quicker page loading times. Consequently, users are more likely to stay on your site and explore further.

SeoWebChecker provides over 50 digital marketing tools that are accessible for daily use. Among these, several standout tools can significantly benefit bloggers, website managers, and SEO professionals in their everyday tasks. 1) Cross Site Scripting Checker 2) Long Tail Keyword Generator 3) DNS Lookup Online 4) Question Content Generator 5) HTTP/3 Test 6) Website Speed Test 7) SEO Website Audit 8) Test SSL Certificate 9) Domain Value Appraisal 10) Anchor Text Generator These resources can enhance your online presence and improve your digital marketing strategies.

Experience a comprehensive suite of content creation tools designed to enhance every phase of your content development journey like never before. With a systematic approach to research, you can produce high-quality content in less time than ever. This innovative tool streamlines your content marketing workflow, making the process effortless and efficient. By utilizing it, you can boost your sales and generate more leads. Its user-friendly interface is carefully designed to facilitate the creation of outstanding content. All your resources, such as images, documents, notes, and multimedia, can be conveniently organized in a single centralized hub that’s directly connected to your articles. In just a few minutes, you can produce a comprehensive research document, effectively merging aggregated SERP data with relevant keywords, statistics, and inquiries. This allows for a more thorough understanding of your content's potential impact and reach.

Plerdy is a versatile SaaS platform designed to enhance website conversion rates effectively. The heatmap feature allows users to visualize click activity on their site, capturing all interactions in real-time, which offers valuable insights into user engagement. With the smart pop-up forms, you can effortlessly create and implement pop-ups on your website without requiring technical skills, such as collecting leads when users abandon their shopping carts. Additionally, the SEO alerts tool constantly monitors your site's SEO metrics and sends you timely updates about any modifications. This tool evaluates keywords, titles, and tags, providing comprehensive on-page statistics that are crucial for assessing and optimizing your online presence. By using Plerdy, website owners can significantly enhance user experience and maximize their site's effectiveness.

The Screaming Frog SEO Spider functions as a powerful website crawler aimed at improving on-site SEO by gathering vital data and spotting frequent SEO issues. It allows users to download and crawl a maximum of 500 URLs for free, or they can choose to buy a license to remove this cap and unlock additional advanced functionalities. This versatile tool effectively navigates both small and large websites while offering real-time insights on the collected data. By gathering critical on-site information, it enables SEO experts to make informed choices. Users can swiftly crawl their websites to identify broken links (404 errors) and server issues, with the ability to bulk export these errors along with their source URLs for fixing or sharing with developers. It is also useful for detecting both temporary and permanent redirects, as well as recognizing redirect chains and loops, and facilitates the uploading of URL lists for auditing during site migrations. Furthermore, while crawling, the tool assesses page titles and meta descriptions, assisting in locating those that might be excessively lengthy, overly brief, absent, or duplicated across the site, which ultimately enhances overall SEO effectiveness. This all-encompassing approach guarantees that users have the necessary tools to optimize their websites proficiently, leading to improved search engine rankings and user experiences.