Best Website Optimization Tools in the UK
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Compare the Top Website Optimization Tools in the UK as of December 2025
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What are Website Optimization Tools in the UK?
Website optimization tools are software solutions designed to improve the performance, speed, user experience, and search engine rankings of websites. These tools typically focus on areas like page load times, mobile responsiveness, SEO (search engine optimization), content delivery, and user engagement. Key features often include website performance analysis, A/B testing, content optimization, image compression, SEO auditing, and heatmap tracking. By identifying areas for improvement and providing actionable insights, website optimization tools help businesses enhance site functionality, improve user retention, and drive more traffic. Compare and read user reviews of the best Website Optimization Tools in the UK currently available using the table below. This list is updated regularly.
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1
Seobility
Seobility
Seobility checks your complete website, by crawling all linked pages. All found pages with errors, problems with the on-page optimization or problems regarding the page content like duplicate content are collected and displayed in each check section. Of course, you can also analyze all problems of a single page in our page browser. For a sustainable and continuous review of your website, each project is constantly crawled and analyzed by our crawlers to track the progress of your optimization. You will also be notified by our monitoring service with the status of your website via e-mail, if server errors and major problems occur. Seobility not only provides a detailed SEO audit but also gives tips and instructions on how to fix the problems found on your website. By fixing these issues, you make sure that Google can access all of your relevant content and understand what it’s about in order to match it with suitable search queries.Starting Price: $50 per month -
2
Semrush
Semrush
Semrush is an online visibility management and content marketing SaaS platform that ensures businesses get measurable results from online marketing. Our software helps companies of all sizes and industries to optimize their visibility across key channels and create engaging content for their users. Our data enables discovery of great growth opportunities, while workflow and tracking solutions help users run experiments continuously and more accurately measure results. Unveil your competitors’ marketing strategy and tactics. Analyze traffic of any website. Unveil competitor promotion strategies. Get ideas for growing your market share. Discover keyword & backlink gap. Discover how to reach more prospects while spending less. Find the best keywords for every PPC campaign. Monitor your competitor’s ad copies and landing pages. Optimize your Advertising spend (at a local level). Analyze Google Shopping ad campaigns. -
3
Cloudflare
Cloudflare
Cloudflare is the foundation for your infrastructure, applications, and teams. Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. It protects your internal resources such as behind-the-firewall applications, teams, and devices. And it is your platform for developing globally scalable applications. Your website, APIs, and applications are your key channels for doing business with your customers and suppliers. As more and more shift online, ensuring these resources are secure, performant and reliable is a business imperative. Cloudflare for Infrastructure is a complete solution to enable this for anything connected to the Internet. Behind-the-firewall applications and devices are foundational to the work of your internal teams. The recent surge in remote work is testing the limits of many organizations’ VPN and other hardware solutions.Starting Price: $20 per website -
4
TinyPNG
Tinify
TinyPNG (by Tinify) is a free image optimization tool trusted by developers and designers worldwide. It uses smart lossy compression to compress JPEG, PNG, WebP, and AVIF files by up to 80% without visible quality loss - boosting speed, SEO, and reducing bandwidth. Compress, convert, and resize images via our intuitive web app or powerful API. SDKs are available for Python, Node.js, PHP, Java, Ruby, and .NET. Includes an official WordPress plugin and a growing ecosystem of community-built integrations. Tinify is simple and accessible with no complex settings, no guesswork. It just works. Whether you're a beginner or building for scale, you get reliable results fast. All plans start with a generous free tier, and responsive customer support is here when you need help. George the panda 🐼 would be thrilled to see you give it a try.Starting Price: $0 -
5
Gumlet
Gumlet
Host, secure, and stream videos in minutes with Gumlet Video. Build custom video processing and delivery with Gumlet Video API. Optimize and deliver images at scale with Gumlet Image. Trusted by 10,000+ businesses, Gumlet handles 1.5B media files daily with a 54% optimization rate. Gumlet Video: Streamline Video Delivery 1. Simplify video streaming with minimal coding. 2. Achieve high compression without quality loss. 3. Manage videos on a unified platform. 4. Automate via APIs, SDKs, and webhooks. 5. Gain video analytics for better ROI. 6. RTMP Live Streaming at scale in minutes. Gumlet Image Optimization 1. Auto-resize and compress images. 2. Integrate seamlessly for better UX & SEO. 3. World’s first auto-responsive resize. 4. AI automation for complete image control. Founded in 2019 in Singapore by Aditya Patadia & Divyesh Patel, who also built AI startup Turing Analytics.Starting Price: $10 / month -
6
CSS HTML Validator
AI Internet Solutions LLC
CSS HTML Validator for Windows, Mac, and Linux is a fast, powerful, highly user configurable, and easy to use web development tool that checks HTML, CSS, SEO, spelling, accessibility (including WCAG 2.0/2.1/2.2), PHP, XHTML, JavaScript, htmx, and links. CSS HTML Validator includes batch processing (in the Pro edition), integrated HTML/CSS editing, and much more. It works offline so it's super-fast and your privacy is protected because your documents are not uploaded to a server for checking. CSS HTML Validator Pro has superior customization features so you can configure the validation to your liking. You can even add your own validator messages, recognize your own HTML elements and attributes, and much more. 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.Starting Price: $60 (one time) -
7
SeoSamba's Marketing Operating System or MOS is a comprehensive cloud marketing software ideal for small businesses, multi-locations enterprises, and companies who sell digital solutions to SMBs such as publishers, agencies, broadcasters, financial institutions, telcos, ISVs, MSPs. Your SeoSamba Marketing Operating System includes a set of high-performance tools to help build a powerful no-nonsense digital marketing presence up. Access SEO tools, Google, Facebook, Yelp & 100 of platforms review management tools, email marketing, social marketing tools including a mobile app, VoIP telephony and call tracking tools, text marketing and messaging tools, as well as centralized blogging for SeoToaster and Wordpress powered websites. SeoSamba MOS seamlessly integrates with SeoSamba's CRM aka SeoToaster Ultimate CRM and features two companions mobile apps, a social marketing and lead & CRM apps to help you manage your business on-the-go. SeoSamba MOS is rebrandable by resellers.Starting Price: $99.00/month
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8
iPlasmaCMS2
Insercorp
iPlasmaCMS2 is a proprietary website content management system suited for website administrators from beginners to advanced users. Developed with modern web technologies, the modular system allows for management of any type of website, web-based application, or intranet. Its scalability allows for the deployment of a single, basic website to highly complex networks of interconnected websites. iPlasmaCMS2 is the perfect solution for any type of organization, from businesses and non-profit organizations to government and educational institutions.Starting Price: $450.00/year -
9
WebCEO
WebCEO
WebCEO is a next-gen Internet Marketing platform that provides you with 24 powerful tools for keyword research, rank tracking, domain analysis, SEO audits, internal link analysis and backlink tracking, social media management, paid search management, competitor research, and more. The Rank Tracking tool shows local and mobile results for keywords and browsers in any language. The Keyword Research tool provides suggestions, competitive intelligence, and Google Search Console integration (keywords can be entered in any language). The lead generation widget enables agency websites to offer visitors free SEO audit reports which include the statistics for the organic traffic of a website's Top 5 Competitors. The Competitor Backlink Spy shows competitor backlinks with their anchor texts. Backlinks are identified and analyzed by the Backlink tracking tool. Among other features is WebCEO's white label that gives digital agencies the freedom to customize and brand reports.Starting Price: $36.00/month -
10
ContentKing
ContentKing
ContentKing is an Enterprise-grade cloud platform for Real-time SEO Auditing and Content Change Tracking. With search engines visiting your website numerous times per day, each unintended change is a liability. Thanks to 24/7 Monitoring and Alerting, you can improve and maintain your search visibility with full situational awareness at all times. As a world's first, ContentKing gives you the opportunity to fix problems _before_ your rankings are impacted. Because search engines never sleep.Starting Price: $99/month -
11
Marketing Miner
Marketing Miner
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. Popular features: - Keyword Research - SEO Audit - Rank Tracking - Competitor Analysis - Brand Monitoring - Link Building - Bulk Data Analysis - APIStarting Price: $13.00/month -
12
Moz Pro
Moz
Elevate your SEO strategy and surpass your goals with Moz Pro, the ultimate all-in-one suite designed by industry experts for comprehensive SEO research and tracking. Moz Pro empowers you with cutting-edge metrics and pioneering data sets, allowing you to conduct thorough keyword research, perform detailed site audits, analyze competitor data, and evaluate your link profile with precision. Additionally, Moz Pro provides customizable reporting options and robust rankings performance tracking to ensure you stay ahead of the competition. Beyond the tools, you'll gain access to an extensive library of SEO learning resources, expert hands-on support, and an interactive Q&A forum to enhance your SEO knowledge and skills. Moz Pro is your go-to solution for mastering SEO and driving success in your digital marketing efforts.Starting Price: $49 per month -
13
ShortPixel
ShortPixel
A faster loading page means a more pleasant user experience, better search ranking and as a result, more page views. ShortPixel uses advanced compression technology that reduces image size without affecting the quality, thus making your pages load faster.Starting Price: $9.99 per month -
14
POWR
POWR
Forms, popups, countdown timers, sliders, media galleries, ecommerce, social media feeds/icons and much more. No coding necessary. The secret sauce for having an amazing eCommerce business isn’t so secret after all. Most business owners, consultants, and experts will tell you that the secret is the ability to generate leads, make sales, and support current customers so they keep coming back. While the “what” of success is direct and explicit, the “how” is as clear as mud. Furthermore, deciding what’s more important is a debate that has gone on for ages, and will probably, almost certainly continue for the foreseeable future.Starting Price: $0 -
15
Kraken.io
Kraken.io
Kraken.io is a robust, ultra-fast image optimizer and compressor with best-in-class algorithms. We'll save you bandwidth and storage space and will dramatically improve your website’s load times. Designers, Developers, WordPress and Magento users - even enthusiasts all over the world use Kraken.io. All plans start out as a FREE Account which comes with 100 MB of testing quota. No credit card is required to sign up.Starting Price: $5 per month -
16
Framer
Framer
Framer is an all-in-one tool that helps teams design every part of the product experience. Start in Framer and get to a functional prototype faster than ever—no code required. In Framer, interactions are first-class throughout your whole workflow—wireframing, visual design, prototyping, design systems, handoff, and user testing. Create prototypes in the canvas with animations, transitions, and Smart Components and get better feedback from user tests, useful handoff code for engineers, and quicker buy-in from stakeholders. Framer is your tool for designing everything. Work with your team to get high-fidelity prototypes in minutes with smart features, drag and drop components, layout tools, building blocks, and more. Asynchronous collaboration in your design tool is great, but what’s the point if it just means more back-and-forth? Framer helps you rethink collaboration, offering deeper ways for designers to work in teams and plug into existing workflows.Starting Price: $15 per month -
17
reSmush.it
reSmush.it
reSmush.it is a FREE API that provides image optimization. reSmush.it has been implemented on the most common CMS such as Wordpress, Drupal or Magento. Moreover, reSmush.it is the most used image optimization API with more than 7 billions images already treated, and is still totally free of charge! -
18
Convert Experiences
Convert.com
Convert Experiences is the A/B testing platform that delivers enterprise-grade experimentation without the enterprise baggage. For over 15 years, Convert has helped growth marketers, e-commerce teams, and agencies run reliable, flicker-free experiments that scale with their business. From classic A/B and multivariate testing to split URL and personalization campaigns, Convert makes experimentation fast, accurate, and frustration-free. With 90+ integrations (Shopify, GA4, WordPress, WooCommerce, Segment, and more), Convert adapts to modern stacks and supports both marketers and developers. Our Visual Editor lets teams launch experiments without waiting on developers, while advanced targeting and revenue tracking ensure clean, trustworthy insights. Privacy is at our core: Convert is GDPR compliant, HIPAA/CCPA-ready, and never resells data. Pricing is transparent, predictable, and fair. And when you need help, you’ll find it fast: real human support.Starting Price: $399.00 per month -
19
Statamic
Statamic
Statamic cuts out the database and creates a faster, more productive way for you to build, manage, and version control beautifully creative, bespoke websites. Instead of requiring a database you can neither touch nor version control, Statamic stores all of your content and configurations in files. Text files, Markdown files, YAML files, and so on. You can see them, touch them, edit them in any editor of your choosing, and even email them to a friend for editing. Combine these files with HTML, CSS, and our Antlers template language, your site comes alive with possibilities. You can find & replace content across your entire site, write in your favorite text or code editor, or even GitHub. Duplicate a site & instantly jumpstart your next project. Scaffold out your content model as you go. There is no need to create schemas ahead of time. You can do that later. Staying in sync with a live site is pain-free with version control.Starting Price: Free -
20
StoreYa
StoreYa
StoreYa offers a suite of marketing and advertising apps which help SMBs to increase sales, leads and social following. Our forte is setting up automatically Google, Facebook and Instagram Ads campaigns. The entire arsenal of Google Ads at the fingertips of our clients. In addition to growth and remarketing campaigns on Facebook and Instagram. We are retail heroes and our sole purpose is to make your business grow! We help over 400,000 online sellers, entrepreneurs and innovators, just like you, make their dreams and passions into reality by enabling them to engage their customers and increase their sales through a suite of social sales & marketing tools, while increasing the amount of time they have to get more work done through simple, yet powerful automated tools. As former small business owners ourselves, we know the day to day struggles that you face. We are all too familiar with the lack of manpower, budget, and resources that you need in order to fulfil your dreams.Starting Price: $9.99 per month -
21
Shareaholic
Shareaholic
Shareaholic provides you with a comprehensive set of website plugins to engage with your audience, get found across search and social, and grow your following. Promote your content, make it a snap to share, and build perfect custom audiences to retarget. Increase page views, time on site and repeat visits by sharing and recommending content your audience will love. Get a clear view of your audience and content performance from a single easy-to-understand dashboard. Generate revenue with personalized, unobtrusive native ads, affiliate links, and more. We streamline everything. Shareaholic provides you with a comprehensive set of marketing tools to engage with your audience, get found across search and social, and grow your following. All for Free. Code-free Customization. Great marketing requires smart data. Unlock deep signal by harnessing the power of our vast data footprint and flexible platform to inform your marketing efforts and see real results.Starting Price: $8 per month -
22
expoze.io
alpha.one
As humans, we are bad at predicting what will capture our attention. Eye-tracking is helpful and can help us analyze what people see, but it is expensive and time-consuming. That’s why we created expoze.io. An online attention prediction platform that delivers actionable results validating designs in real-time to help you get your work noticed. Our platform was built by leading neuro- and data scientists. We believe creators make better decisions if they can predict and understand what really grabs attention. This way, we can assist marketing, UX/UI and CRO professionals in their creative decision-making processes. Data-driven, actionable and reliable insights that help them to get their designs noticed.Starting Price: €19.99/month -
23
DebugBear
DebugBear
DebugBear is a web performance monitoring tools that helps companies keep their website fast and pass Google's Core Web Vitals assessment. Find out how to optimize your website and get alerted when there's a problem. Run scheduled synthetic tests, monitor data from Google's Chrome User Experience Report (CrUX), and collect real user analytics directly on your website. Track Google Lighthouse scores over time and benchmark against your competition. Get custom performance recommendations with detailed analysis, and quickly try out performance optimizations with page speed experiments – without deploying any code!Starting Price: $125/mo -
24
Clickio Consent
Clickio
Clickio Consent is the leading Consent Management Platform (CMP) for Publishers. As a Google Certified CMP and IAB Europe Transparency & Consent Framework Certified, Clickio Consent is dedicated to helping website owners fully comply with the latest global privacy policies (GDPR). With a decade-long commitment to serving digital publishers, Clickio Consent integrates essential features to optimize Consent Rates while prioritizing user clarity and choice. Among its exclusive features, Clickio Consent offers easy paywall integration or a one-click Built-In Paywall (“Consent or Subscribe” model), providing end users with a transparent and user-centric experience. Clickio Consent performance is easily tracked through our intuitive platform, providing clear Real-Time Consent Insights. Moreover, customizable features such as design, language, and additional functionalities like vendor list management or A/B Testing are available. -
25
51Degrees
51Degrees
Want an easier way to optimize your websites, apps, and ads? You've got it. Our suite of real-time data services will help you turn missed opportunities into happy customers. Use real-time data superpowers including advanced device detection and geolocation to build a high-fidelity picture of the people interacting with you online. Your audience wants relevant content, instantly, whatever their device. Now you can create personalized, smooth, adaptive digital experiences that make them feel special. Remove the frustrating digital roadblocks that are hindering your business and watch engaged users become satisfied customers, again and again. Our platform, Pipeline API, gives you unique access to the fastest, most accurate real-time data services from us and our trusted data partners. Multiple real-time data sources in one speedy request. Fully customizable configuration through one intuitive interface. Seamless switching between cloud and on-premise services.Starting Price: $299 per month -
26
TwicPics
TwicPics
TwicPics delivers perfectly sized media in real-time to your websites and apps to provide the best possible experience to all your end users. Your web pages load super-fast, no matter the device and the connection. Easy to set up, up, and fast to deploy, TwicPics makes image processing a breeze with its low-code responsive image solution. Your data transfers reduce by up to 94% while your images load 3x faster. Stop compromising visual quality and web performance. With TwicPics, your website is fast and beautiful, always. Perfectly sized images for any device, any connection in real-time. Images are resized, cropped & compressed in milliseconds. Reduce image size by up to 75%, with no loss of quality. Intuitive API and efficient front-end library, with a minimal footprint. Images load faster with worldwide CDN proximity. Stop managing multiple versions of the same picture anymore. With TwicPics, you just need the largest, most detailed master.Starting Price: €99 per month -
27
Banner
Answerly
Banner is a widget you can install anywhere on your website, and deliver quick and important updates about your visitor or your business. You can make the Banner Widget feel like it's part of your website or dashboard. Banner Widget has many personalization features you can use that will make it feel like home when it shows up on your website. With Color Studio, you can paint any element of the Banner Widget to your heart's content. Keep your visitor up to date, and do so in the colors of your website. Inside the Answerly dashboard, you have a list of 200+ top famous fonts to choose from. You can choose the font sizes as well. Inside the Banner Widget, you can use any variable from your website to create a very personalized and dynamic message. With variables from your website, you can add conditions, so the Banner Widget shows only to specific visitors or customers.Starting Price: $9 per month -
28
Peekalink
Peekalink
Our in-house developed algorithm works around missing website metadata and platform throttling. Tested against the top 1000 websites, we achieved a 98% success rate. We provide optimized link thumbnails and icons, served by our global CDN for blazing-fast load times. Apart from websites, you can also preview images, GIFs and videos. More coming soon. You protect your users by using our service instead of in-device previews. Their IP is not leaked, we provide redirection trails to avoid redirect fingerprinting and upgrade links to HTTPS automatically. We integrate popular platforms' SDKs to provide extra information when previewing their links. For example, the number of retweets a tweet has or the number of subscribers a Youtube channel has.Starting Price: $29 per month -
29
Keyword Tool
Key Tools
KeywordTool.io is a free online keyword research instrument that utilizes Google Autocomplete to generate hundreds of relevant long-tail keywords for any topic. By selecting a specific Google domain and language, users can discover new keyword ideas tailored to their target audience. The tool is particularly beneficial for business owners, online marketers, and content creators aiming to increase website traffic and engagement by aligning content with actual user search queries. Unlike some other tools, Keyword Tool does not require users to create an account, making it accessible and user-friendly. Additionally, it offers a reliable performance, operating 99.99% of the time.Starting Price: $89 per month -
30
imgix
Zebrafish Labs
Powerful image processing, simple API, imgix transforms, optimizes, and intelligently caches your entire image library for fast websites and apps using simple and robust URL parameters. We don’t charge to create variations of your Master Images. You can be as creative with the service as possible. Over 100 real-time image operations, plus client libraries and CMS plugins for easy integrations with your product. Serve optimized images to every device quickly with a worldwide CDN optimized for visual content. Browse, search, sort, and organize all of your cloud storage images. Resize, crop, and enhance your images with simple URL parameters. Intelligent, automated compression that eliminates unnecessary bytes. Customers see images fast thanks to imgix's caching and global CDN. Introducing imgix Image Management. Transform your cloud bucket into a sophisticated platform that allows you to finally see what your images can do for you.Starting Price: Free
