7 Must-Try Agency SEO Tools for Content Optimization

Optimizing content is a smart way to score quick SEO wins for your client — but it only works when you use the right SEO tools for your agency. The best content optimization tools provide accurate and reliable data, are easy to set up, and are designed to scale with your business. 

That said, here are seven content optimization and agency SEO tools worth investing in to generate more ROI for your clients and, ultimately, your agency. 


1. Keyword.com: For Rank Tracking 

keyword.com rank tracker

Keyword.com’s agency rank tracker shows you how your published content ranks in the SERPs for relevant keywords in real time. 

Once you add your client’s website URL to the dashboard, you will see their SERP positions for different keywords and competitors’ rankings. Keyword.com also stores historical SERP data — allowing you to monitor performance fluctuations over time. 

You’ll use these insights for content optimization. For example, you can identify and analyze the top-ranking pages for your target keyword — in terms of structure, keyword usage, and information quality — and refresh published content based on this data to rank higher in the SERPs. 

Key SEO Tool Features of Keyword.com


Price: Free plan and paid plans available. Starts at $26 per month with a 14-day free trial


2. Seobility: For Content Auditing  

Seobility keyword research tool lets you discover untapped content opportunities that you can explore for improved SEO performance. 

From a keyword research perspective, you only need to input your target keyword and search engine; the tool does the rest of the work. It will show you related searches, People Also Ask questions, and auto-complete terms and similar keywords — based on your selection. 

Say you’re writing an article about content marketing; these are Seobility’s keyword suggestions for the topic. 

seobility keyword research

You can add these search terms and keywords to your content marketing article to further optimize it for higher results. 

Key SEO Tool Features of Seobility

  • Google rank tracking
  • Backlink checker
  • Website audit tools
  • SERP snippet generator


Price: Starts at $50 per month 


How to Choose Relevant Keywords for Your Website 

How Does a Rank Tracker Work?


3. Frase.io: For AI-Powered Optimization

frase ai tool

Frase helps you optimize ready-to-publish content drafts for search using AI. 

After writing a piece of content, paste it into the Frase editor. The tool will automatically scan and score your content based on how it compares to the already-ranking pieces for the target keyword(s).

It will list the relevant search terms you need to include in the article, their frequency, and where to use them — to improve your score and outrank competitors. Frase also highlights SERP features like word count, internal links, and images required for a piece of content to rank high in search results.

Key SEO Tool Features of Frase

  • AI writer (+ NLP) 
  • Automated SEO content briefs
  • SEO research
  • Competitor analysis


Price: Starts at $14.99 per month 


4. Yoast SEO: For On-Page Optimization 


Yoast SEO is a WordPress plugin for improving on-page SEO performance right in your content management system or website backend. 

Yoast ensures that you’ve included your keyword(s) in important parts of your content — like alt texts, meta descriptions, slugs, and headings. It also checks for keyword stuffing which happens when you overuse a keyword.

Key SEO Tool Features of Yoast

  • Internal linking optimization
  • Readability analysis
  • Schema integration 
  • Sitemap generator
  • Link checker


Price: Free; the paid plan starts at $99 per year


5. Majestic: For Backlink Analysis 


Majestic is a backlink analysis tool that provides detailed information about backlinks, referring domains, anchor texts, and link profiles. It helps you identify quality backlink opportunities and track the performance of your link building efforts.

Majestic uses two important metrics: Trust Flow and Citation Flow, to evaluate the quality and authority of a website’s backlink profile. Trust Flow measures the quality and trustworthiness of the links, while Citation Flow measures the quantity and influence of the links.

Say a website reaches out to you for link swapping; you can use Majestic to analyze the quality of the link to ensure it will add value to your web page. Relevant, high-quality backlinks pass on equity to the linked page, improving its SERP ranking. 

Key SEO Tool Features of Yoast

  • Campaigns and reports
  • Historical index for backlink tracking
  • Competitor analysis
  • Site explorer
  • Link context analysis


Price: Starts at £39.99 per month


6. Screaming Frog SEO Spider: For Technical Optimization 

screaming frog

Screaming Frog SEO Spider scans your website for common SEO issues and recommends fixes to improve content performance. For example, it can help you discover duplicate pages and broken links that prevent web crawlers from correctly discovering, indexing, and ranking your content pages. 

Key SEO Tool Features of Screaming Frog

  • XML sitemap generator 
  • JavaScript website crawler
  • Site audits tools
  • Duplicate content checker 


Price: Free; paid plan starts at $259 per year

Related: How to audit your website 


7. Google Search Console: For Tracking Your Site’s Performance

google search console

Google Search Console (formerly Google Webmaster Tools) is a free service offered by Google that helps you track the performance of your website in search results. It also includes features for checking your website’s crawlability and indexing status.

In Search Console, for instance, you can see how specific content pages rank in the SERPs for different keywords and monitor performance fluctuations according to clicks and impressions. This allows you to discover drop-offs in rankings as soon as they occur and refresh the affected content early. 

Search Console also analyzes how Google crawls and indexes individual pages on your website. You can submit URLs for indexing, view the status of indexed URLs, and identify any issues or errors that may prevent proper indexing.

Key SEO Tool Features of GSC

  • Extensive search analytics 
  • Mobile usability testing 
  • Index coverage report
  • URL inspection tool 

Price: Free


How to Choose the Best SEO Agency Tools

Chances are you need to invest in multiple SEO tools, especially if you’re serving diverse clients. Here are three important things to consider as you consider your agency SEO tools options: 

  1. Scalability and flexibility: Choose a tool that can handle the growing needs of your agency as you acquire more clients. This way, you won’t waste time and resources migrating to new tools frequently. 
  2. Budget: Ensure that you’re getting the most value from your investment. Don’t subscribe to an enterprise tool when you have a handful of small business clients. 
  3. Data accuracy and reliability: Look for tools with a strong reputation for providing accurate and up-to-date data. Inaccurate data will ruin client results which will have dire consequences for your agency. 


Keyword.com checks these three boxes and more. Its pricing is perfect for growing agencies and it supports multiple features — meaning you’ll enjoy lots of value for your investment! 

Try Keyword.com for agencies for free.


Agency SEO Tools for Content Optimization FAQs

Find answers to common agency SEO tools questions. 

1. What is Content Optimization? 

Content optimization means improving various aspects of online content — including meta tags, images, and text — to enhance its visibility, relevance, and effectiveness for users and search engines. 

2. What is a Content Optimization Tool? 

A content optimization tool is an online platform or software you can use to improve the quality, visibility, and performance of your content. Examples include Keyword.com, Seobility and free tools like Google Search Console. 

3. How Do I Optimize Content for SEO? 

There are many steps involved in optimizing content for search engines: 

  • Use your keyword(s) in the title, slug, and meta tags of your article. 
  • Add relevant internal and external links to your content
  • Use images and videos to make to improve content quality 
  • Build high-quality backlinks to your published content

Read our article to learn more about improving your content for search engines. 

4. Which SEO Tools Can I Use to Optimize Content? 

Keyword.com, Seobility, and Google Search Console are some of the recommended tools you can use for content optimization. Keyword.com, for instance, shows your keyword rankings in real time. Seobility lets you discover related keywords to include in your content. And Google Search Console monitors your website’s overall SEO performance. 


Want to become a Keyword Master? Have a look at our Keyword Monitoring Guides and our Keyword Academy.