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10 OF THE BEST SEO TOOLS (Updated 2021)


By: Nicholas Furnal (Mr. Write Now)

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Disclosure: As an affiliate, I may earn commissions on purchases made through links on this site. The views and opinions expressed in this article are my own.

You're constantly looking for new ideas, but have you thought about using SEO tools? There are many different options out there, so finding the right one can be a challenge. I've compiled an extensive list of some of the best SEO tools from 2021 that will make your search easier and more efficient! With my handy guide at hand, it'll take less time than sifting through countless pages on google or struggling with websites too technical for regular users.

1. Ubersuggest: Keyword Ranking


Summary: Keyword Ranking and Domain Overview

Cost: Monthly or "Lifetime" Subscription (7-Day Free Trial)


Data courtesy of

Ubersuggest is an all-inclusive SEO tool designed to help you develop your digital marketing strategy. The software offers a plethora of features, including keyword research and content marketing suggestions for those looking to make their company stand out in the competitive online world. Though a subscription will cost you money each month, Ubersuggest has options available such as one-time payments or "lifetime" subscriptions, so that everyone can enjoy this powerful program without breaking the bank.


Ubersuggest has a browser extension that lets you search for keywords and see how they're trending or what it might cost to advertise them, all right from your browser. You can also learn more about the competition, which will really come in handy if your business plan involves advertising tactics.

2. SEMrush: Keyword and Backlink Tracking


Summary: All-in-One SEO Analytics Platform

Cost: Monthly or Yearly Subscription


Data courtesy of SEMrush

Most digital marketers, regardless of experience, are familiar with SEMrush, and it's easy to see why. The platform has more than 40 different tools intended to provide transparency and control over your strategy. In addition to providing tools to help optimize your on-site SEO, SEMrush is also useful for identifying trends in keywords to give you an edge over your competitors. If you're looking for a full breakdown of your site's backlinks and domain authority, SEMrush can be a powerful solution.


SEMrush is an excellent tool for those looking to take their digital marketing endeavors seriously and have the time, finances, or expertise necessary. The platform provides extensive analytics that will help you understand your audience better, such as keyword rankings and traffic data on each of your pages. This information can be used in conjunction with other tools like Google Analytics to understand how people are interacting with you online.

3. Ahrefs: SEO Rank Tracking


Summary: SEO Analysis and Backlink Tools

Cost: Monthly or Yearly Subscription


Data courtesy of Ahrefs

Ahrefs is a site that has multiple features to help improve SEO strategies. They have link building, competitor analysis, and rank tracking tools to help you improve your marketing techniques. The availability of training materials makes the website accessible for beginners and experts alike, so you can learn how to use the platform more effectively to rank higher on Google search engine results pages (SERPS).


Ahrefs is the go-to tool for SEO professionals to find live backlinks and rank their websites. With a database that rivals Google, Ahrefs enables marketers to be in control of their digital marketing strategy.

4. Moz Pro: SEO Solutions


Summary: Multi-solution SEO Toolset

Cost: Monthly or Yearly Subscription (30-Day Free Trial)


Data courtesy of Moz

Moz has been a go-to tool for marketers since its emergence in 2004. The platform offers various tools to help you identify areas of growth with your website while staying up to date on SEO techniques. It also provides excellent resources like an up-to-date blog and beginner guides that will aid you as long as you have a subscription.


Moz's powerful SEO tools are the perfect place to start regardless of your experience. The site offers a wealth of free resources designed to help anyone grow their brand, increase customer engagement rates, or just learn more about SEO best practices. With its interactive blog posts and quizzes - you'll have everything you need without making an expensive purchase.

5. Majestic: Backlink Analytics


Summary: In-depth Link Analysis

Cost: Monthly or Yearly Subscription


Data courtesy of Majestic

Majestic offers unrivaled insight into backlink analysis. Their interface is easy to use and provides relevant, understandable, and useful metrics for any size site or business. The "Link Intelligence" database used by Majestic boasts trillions of unique URLs dating back to 2011, so there's plenty of data available. They also offer flexible search options; either current updates with their "Fresh Index" (which has daily links) or more extensive research with their "Historic Index."


Majestic is a great platform for those looking to do basic to advanced link building and keyword research. The site offers fewer tools than some other platforms but excels in its Link Database, making it one of the best SEO tools out there. They also provide a Keyword Generator as well as more advanced features like competitive analysis.

6. Siteliner: Duplicate Content Finder


Summary: Comprehensive Site Auditor

Cost: Free (Up to 250 Pages per Month)

Siteliner is a powerful and easy-to-use SEO platform that helps you understand your site better by auditing it for duplicate content, broken links, average page size, and load times. You can also get insights into how well the search engines are indexing your website with Siteliner's quick scan of Google Analytics data. The best part about this tool? It's free up to 250 pages per month! Whether you're just starting out or already have an established marketing website, there aren't many tools as useful as Siteliner in terms of helping develop knowledge on what things you should be improving to show up higher on SERPs.

Note: If you're looking to scan more pages as often as you want, the Siteliner Premium service allows for 25,000 pages.


Siteliner provides an excellent tool for understanding your site's performance in relation to competitors as well. The data collected from Siteliner is compared against other sites that have been scanned on their platform, giving you an accurate range of how well (or poorly) you're doing relative to the competition, all while benchmarking against real-world examples.

7. SpyFu: Marketing Research

SpyFu Banner_edited.jpg

Summary: Analyze Competitors' Marketing Strategies

Cost: Monthly or Yearly Subscription


Data courtesy of SpyFu

SpyFu is a tool that helps digital marketers find keywords to market their business more effectively. When you need to know the best keywords for your campaign, SpyFu can help with keyword research and competitive analysis. You can also search for recommended terms to target in your SEO campaigns and identify what other companies are doing for their marketing efforts.


Spyfu offers reports on general trends of popular searches, too, so you don't have to guess what people might be looking up based on listless thoughts like "What's trending?"​ The great thing about Spyfu is how customizable it is - you can create your own campaign from scratch if you know exactly how you want your ad targeted.

8. SEOquake: Browser Extension Toolbox

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Summary: Audit on the Fly

Cost: Free

SEOquake is a free browser plugin that allows you to see different metrics for domains and landing pages. It will show you where the domain or landing page ranks in terms of traffic, authority, MozRank, Alexa Rank, and Pagerank, amongst other things.


SEOquake is the perfect tool for any web surfer. With just a little bit of browsing, you can track your site's visibility and how many links there are to it online. The plugin works with Firefox, Chrome, and Opera browsers as well, so if one doesn't work on your computer or phone, another will!

9. KWFinder by Mangools: Rank and SERP Analysis

kwfinder banner logo_edited.jpg

Summary: Find Rankable Keywords

Cost: Monthly or Yearly Subscription (10-Day Free Trial)


Data courtesy of KWFinder

KWFinder is a great tool for identifying keywords to target because it shows you the potential monthly search volume and difficulty of ranking on SERPs. KWFinder's monthly data also lets you know which words are worth targeting, so there's no guesswork involved. It allows users the ability to see top results, trending keyword ideas, and related terms that can be used in future posts or articles on their site.


KWFinder is a great platform for marketers and bloggers who need quick access to data in order to make informed decisions about their campaigns. The site makes it easy by giving you multiple charts so you can find the information you need. The best part about this program? You don't have to be an expert with all of these metrics - just someone looking for helpful insight before making your next big move.

10. Deepcrawl: Comprehensive SEO Crawler

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Summary: SEO Crawler Solution

Cost: Prices Available Upon Request

Deepcrawl makes the internet a better place by protecting websites from harmful code errors with SEO testing automation. The tools can help you detect technical improvements and make your site run faster through improving server efficiency, security, page loading speed for mobile users, and more!


DeepCrawl has solved one of the most common problems that websites face: code errors caused by lackluster development practices. The issues with these types of errors range from harming performance, having inconsistent features across pages on sites, or even preventing Googlebot from crawling parts/all of your content which affects how well your site ranks overall online.

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