Best Free Website Optimization Tools of 2025

Seobility crawls all pages linked to your website to check for errors. Each check section displays all pages that have errors, problems with on-page optimization, or issues regarding page content such as duplicate content. You can also examine all pages in our page browser to find out the problems. Each project is continuously crawled by our crawlers to monitor the progress of your optimization. If server errors or major problems occur, our monitoring service will notify you via email. Seobility provides an SEO audit and tips and tricks on how to fix any issues found on your website. These issues can be fixed by Google to make sure it can access all your relevant content and understand its meaning in order for it to be matched with the right search queries.

Semrush, a SaaS platform for online visibility management and marketing content, ensures that businesses get measurable results through online marketing. Our software helps businesses of all sizes to optimize their visibility on key channels and create engaging user-generated content. Our data helps users discover great growth opportunities. Workflow and tracking solutions allow them to run experiments continuously, and measure results more accurately. Discover the marketing strategies and tactics of your competitors. Analyze the traffic on any website. Unveil competitor promotion strategies. Get ideas to increase your market share. Discover keyword & backlink gap. Find out how to reach more customers for less money. Find the best keywords to use in every PPC campaign. Monitor the landing pages and ad copy of your competitors. Optimize your advertising spend (at the local level). Analyze Google Shopping campaigns.

TinyPNG (by Tinify) is a free image optimization service built for developers and designers. It uses smart lossy compression to reduce JPEG, PNG, WebP, and AVIF file sizes by up to 80% with no visible quality loss. That means faster load times, better SEO, and lower bandwidth. You can compress, convert, and resize images via a clean web interface or integrate it into your workflow with the API. SDKs are available for Python, Node.js, PHP, Java, Ruby, and .NET. WordPress plugin included, plus plenty of community-driven integrations. No tuning, no noise, Tinify just works. Whether you're optimizing a handful of images or processing millions, it scales effortlessly. All plans include a generous free tier, and support is quick when you need it. George the panda 🐼 approves.

Website Speedy, founded by MakkPress Technologies is the ultimate solution for optimizing your website's load times. This SaaS-based website optimization tool was designed to help users instantly reduce website loading time. The tool uses an automatic script to scan any website for elements that block rendering and rearrange them in order to improve the website's DOM. The website speedy tool optimizes images and other assets on the website for faster loading times across all browsers. It is compatible with major e-commerce platforms such as Shopify Big commerce Squarespace Click funnels Custom Website & Custom website etc.

Host, secure, and stream videos to millions or a select few in minutes with Gumlet Video. Build custom video processing and delivery solutions with Gumlet Video API. Automatically optimize and deliver images at scale across websites and apps with Gumlet Image. Trusted by over 10,000 businesses and creators worldwide, Gumlet handles 1.5 billion media files daily and achieves a remarkable 54% optimization rate. Gumlet Video: Streamline Video Delivery 1. Simplify custom video streaming with minimal coding. 2. Achieve superior compression without compromising video quality. 3. Streamline video management through a unified platform. 4. Harness automation via APIs, SDKs, and webhooks. 5. Unearth valuable video analytics for enhanced ROI. 6. RTMP Live Streaming at scale in minutes. Gumlet Image Optimization: Effortless Image Enhancement 1. Automatically resize and compress images. 2. Seamlessly integrate for superior UX and SEO benefits. 3. World’s first auto-responsive resize 4. AI automation to control every aspect of your image Gumlet was established in 2019 in Singapore by Aditya Patadia and Divyesh Patel, both of whom previously contributed to the success of Turing Analytics, a pioneering AI startup.

CSS HTML Validator for Windows, Mac, and Linux is a fast, powerful, highly user configurable, and easy to use professional web development tool that checks HTML/HTML5, CSS, accessibility, SEO, PHP, XHTML, JavaScript, links, htmx, and more. CSS HTML Validator will give you valuable and customizable advice while alerting you to obsolete, deprecated, and proprietary tags, attributes, and CSS. Make sure that your website visitors do not leave your site because they run into broken links or other problems caused by poorly written HTML and CSS. The latest version of CSS HTML Validator includes updated HTML & CSS support, improved accessibility checking, support for htmx, new editor color schemes, and other updates and improvements. A Batch Wizard in the Pro edition lets you easily validate entire websites and multiple HTML documents by generating a single validation report in HTML format. Try CSS HTML Validator Pro for Windows free for 200 validations or 30 days, whichever comes first. A FREE limited version of htmlval for Mac and Linux is also available.

The Marketing Operating System (MOS) from SeoSamba is a cloud-based marketing software that's ideal for both small businesses and multi-location enterprises. Your SeoSamba Marketing Opera System includes a number of high-performance tools that will help you build a strong, no-nonsense digital presence. You can access SEO tools, Google and Facebook review tools, email marketing tools and social marketing tools including a smartphone app, VoIP telephony, call tracking tools and text marketing and messaging tools. SeoSamba MOS seamlessly integrates to SeoToaster Ultimate CRM. It also features two companion mobile apps, a social media and lead & CRM app to help you manage your business while on the move. Solution providers can private-labeled SeoSamba MOS.

Matomo, the most popular open-source web analytics platform is used on more than 1.4 million websites across 190 countries. It has been translated into more than 50 languages. Matomo values privacy protection, 100% data ownership and no data sampling. There are two hosting options available for it: cloud and on-premise. Cloud simplifies the installation process, while On-Premise allows you to install the PHP/MySQL software on your own server. This gives you maximum flexibility. This web analytics and conversion optimization tool is premium and offers a wide range of features, including heatmaps, sessions recordings and goals.

Cloudflare is the foundation of your infrastructure, applications, teams, and software. Cloudflare protects and ensures the reliability and security of your external-facing resources like websites, APIs, applications, and other web services. It protects your internal resources, such as behind-the firewall applications, teams, devices, and devices. It is also your platform to develop globally scalable applications. Your website, APIs, applications, and other channels are key to doing business with customers and suppliers. It is essential that these resources are reliable, secure, and performant as the world shifts online. Cloudflare for Infrastructure provides a complete solution that enables this for everything connected to the Internet. Your internal teams can rely on behind-the-firewall apps and devices to support their work. Remote work is increasing rapidly and is putting a strain on many organizations' VPNs and other hardware solutions.

Mixpanel's mission is to increase innovation. Mixpanel is not only a company but also a service provider for businesses. Companies can use our engagement and analytics product to analyze how users interact, convert, retain, and engage with them in real-time on web, mobile, or smart devices. They can then use this data to improve their products and business. Mixpanel serves more than 26,000 companies in different industries worldwide, including Samsung, Twitter and BMW. Mixpanel is headquartered in San Francisco and has offices in New York City, Seattle, Austin. London, Paris, Barcelona, Paris, London, and Singapore.

Webmaxy Analyzer is a user behavior analytical tool that provides an in-depth analysis of your website visitors. You get various functionalities, like session replays, heatmaps, form analysis, surveys & polls, funnel view, and user insights. By analyzing qualitative data, you can understand your customers better and improve your website conversion rate. With Webmaxy Analyzer, you can make data-driven decisions and refine your business strategies accordingly. WebMaxy Analyzer is used by digital marketers, owners, product marketers, and other decision-makers to make an informed decision. It is simple to use, powerful, and easily integrates with your present tech sack. It helps you find the missing dots in analyzing user behavior. Get qualitative data that improve your web app and website by understanding how your users interact with your website and where they click through heatmaps, you can position your CTAs accordingly. Webmaxy analyzer can help you make data-driven & informed decisions. With Webmaxy Analyzer, you can know and understand your visitors, enhance their website experience and boost conversion rates. Top Features- Behavior Analytics Session Replay Heatmap Form Analyzer User Insight

SE Ranking is a cloud-based, all-inclusive search engine optimization (SEO), platform for webmasters. SE Ranking is intuitive and easy to use. It offers a complete set tools for tracking keyword positions, site auditing and analyzing competitor SEO strategies and PPC strategies. Keyword suggestion and grouping, website rank, backlink monitoring and automated professional reporting. SE Ranking allows users to track their website's keyword ranking across multiple countries, cities and regions. This is done in real-time on Bing, Google and Yahoo.

Comprehensive analytics for your online enterprise. Capturly emphasizes the key factors of conversion and retention. We deliver essential data in a straightforward manner, enabling you to make informed business choices. Discover which areas of your site captivate your audience and identify what they overlook. Improve your strategies based on genuine user behavior. Steer your business toward success with Capturly’s web analytics tools, which allow you to spot significant trends as they emerge. All essential web analytics metrics are readily available to you. Our product analytics provide insights into how visitors interact with your site. Effortlessly gather all relevant data in one location to gain valuable business insights. Observe and scrutinize recordings of visitor interactions to pinpoint which features and content capture their interest. This marks your initial step toward enhancing your conversion rates! Additionally, with ongoing analysis, you can continually refine your strategies for even greater success.

Curious about the loading speed of your website? Utilize GTmetrix to evaluate its performance, uncover the reasons behind any slowness, and identify areas for improvement. Our analysis will provide you with a concise report detailing your page's performance metrics. You will gain insights through: - Comprehensive PageSpeed and YSlow scores along with actionable recommendations. - In-depth page load information including time taken, total size, and the number of requests made. - Multiple analysis options to suit your needs. - A detailed waterfall chart, video playback, and access to your report history. Additionally, you can set up alerts to notify you when your website's performance dips below expectations. Each alert will be accompanied by a link to a comprehensive report to help you understand the issue. Furthermore, test your site’s performance on actual Android devices or choose from over 20 simulated device options, including popular models such as iPhones, iPads, Samsung Galaxy/Note, Google Nexus/Pixel phones, and many others. Monitoring your site's speed has never been this thorough or accessible!

The first automated, non-configuration business intelligence and personalization automation engine. Track and analyze auto-detected goals for business and see how they translate for different user profiles. One line of code is all it takes to create a cloud-based framework that gives you the tools to grow your company. The first automated, non-configuration business intelligence and personalization engine. Twik matches visitors automatically with the most relevant variants to maximize conversions. No data science or maintenance necessary - simply launch your variants and Twik will take care of the rest. Edit your site and create variations, without having to change your site code. Your marketing team can work without influencing your dev' team. Automated scoring of site menu items, product catalogues and sales can maximize sales. You can use twik's magic and create a unique version for each visitor to your site with the ultimate goal to increase sales.

Common Ninja provides a wide range of free, fully customizable apps for all website building and e-commerce platforms. In addition to being completely responsive, the apps are easy to use, require no prior coding knowledge, and come with a built-in user analytics tool. With reliable support, GDPR compliance, constant audits, and highly secure apps, Common Ninja already has over 150,000 loyal customers who save time and money building websites. With Common Ninja’s apps, you can enhance your websites, increase conversions, improve user experience and much more! Apps on the ever-expanding list include: Messenger Chat Button Telegram Chat Button WhatsApp Chat Button PDF Gallery Countdown Bar Stories Announcements & Updates Logo Showcase FAQ Image Hotspot Testimonials Before & After Slider Social Media & RSS Feeds Audio Player Business Hours Pricing Tables Charts & Graphs Comparison Tables Brackets & Tournaments

Marketing Miner is an SEO tool for all data-driven marketers. Gain valuable insights with over 40 features to skyrocket your website rankings. User-friendly interface and bulk data analysis features to save your time and effort. Collect valuable data insights and analyze up to 100,000 keywords or URLs in a single click to improve your SEO strategy. With Marketing Miner, you can quickly detect technical issues on your site, find out which landing pages and keywords bring the most traffic, conduct a comprehensive technical SEO audit and competitor analysis, monitor mentions of your brand and important keywords in your niche, find new link building opportunities to strengthen your backlink profile and develop a successful content marketing strategy. Popular features: - Keyword Research - SEO Audit - Rank Tracking - Competitor Analysis - Brand Monitoring - Link Building - Bulk Data Analysis - API

A faster page load means a better user experience, better search rank, and more page views. ShortPixel's advanced compression technology reduces the image size without affecting quality. This makes your pages load faster.

Forms, popups and countdown timers are all available. Sliders, media galleries, media feeds/icons, ecommerce and ecommerce are also available. No programming required. The secret to creating an amazing eCommerce business is not so secret after all. Experts, consultants, and business owners will tell you that the secret to a successful eCommerce business is the ability generate leads, make sales, support customers, and keep them coming back. The "what" of success is clear and specific, but the "how" is just as clear. Determining what is more important is a debate that has been going on for ages and will likely, almost certainly, continue for the foreseeable.

Plerdy – Multifunctional SaaS solution to improve conversions on websites. Heatmaps - We can see exactly where clicks took place on the website. All clicks are recorded and displayed in real-time. This allows you to see how users interact with the website. Popup smart forms - Create and display pop-up forms quickly on your website without the need for a designer or developer. Example: The popup form to collect leads from the website. Offer to users when they abandon shopping cart. - SEO-alerts: This tool continuously analyzes your website's SEO factors and sends you regular notifications about any changes. To determine what can be optimized, it checks keywords, titles and tags. This provides aggregated and on-page statistics that can be used to evaluate your web resource.

Reactflow can playback customer activity recordings as a video. You can view, compile heatmaps, funnel analytics, bug reports, console logs, and give feedbacks. This helps you to understand customer pain points and solve them. Free. Each user's Heatmap and Recording can be used to improve the user experience, interface and user journey. It can be used to identify and fix 404 errors as well as debug errors. To provide the best experience, call to action buttons can also be improved. What makes visitors abandon their carts or leave? Reactflow lets you see exactly what your visitors are doing on your website. It also allows you to identify what needs to change. Session replay can be used to record visitor activity and interaction on your website. Reactflow provides you with actual session activity, which is a far cry from traditional web stats and plugins that show you the path of your visitors.

Enhance your website effortlessly without any coding skills. Elfsight widgets have empowered over 300,000 website owners to boost sales, engage users, gather leads, and much more. By utilizing these ready-made solutions, you can conserve both time and money while accelerating your business growth. Select a widget tailored to achieve any specific goal for your website. Elevate visitor interaction, drive conversions, collect leads, offer customer support, and expand your social media following. With our user-friendly editor, personalizing your widget takes just a few clicks, and you can embed it onto your site in mere seconds. Track essential metrics related to your widget to evaluate its performance and understand its real impact on your website. Save valuable time as our widgets handle various tasks for your site. Seamlessly integrate content from platforms like Instagram, Facebook, Twitter, Pinterest, and more into your website. Showcase authentic customer reviews from sources such as Facebook, Instagram, Google, Yelp, TripAdvisor, and others directly on your site. Moreover, allow your visitors to connect with you through their preferred messaging apps, like Facebook and WhatsApp, right on your webpage, fostering better communication. This approach not only enhances user experience but also builds stronger relationships with your audience.

The Hexometer™, an AI-based monitoring service, periodically scans your website for over 2800 data points to ensure that your digital assets are in perfect condition. The monitoring service constantly monitors your website and will notify you if there is any damage. It will also provide tips and tricks to improve your website's hygiene and ultimately, your online visibility.

FastPixel, an all-in one WordPress plugin, is designed to speed up your website. This plugin has a lot of features that work in the background. It allows for automatic optimizations, without users having to navigate complicated settings. It is easy to use and configure, so your pages will start loading faster in minutes.

Your website attracts numerous visitors every day, yet only a small fraction engages with your offerings. Regardless of advancements in technology, the need for social proof remains essential for building confidence. Wiser Notify provides a simple and efficient way to instill trust in what you present to your audience. Aiming to enhance sales through effective marketing strategies for thriving e-commerce ventures, Wiser Notify leverages the principles of consumer psychology to offer digital solutions. With its focus on social proof and FOMO (fear of missing out) marketing tactics, Wiser Notify helps draw in potential customers while enhancing your credibility. By displaying recent activities such as sales, sign-ups, and subscriptions, you can foster trust and increase your site's popularity, ultimately leading to greater success in your business endeavors. These strategies not only boost sales but also create a more engaging user experience.