14 Best SEO Chrome Extensions for Marketers

Adele Streissguth
Nihaal Shah
Published: Apr 04, 2022
Last Updated:
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Search engine optimization (SEO) strategies are imperative in finding marketing success in today's digital world. In fact, 61% of B2B marketers claim that SEO generates more leads for their business than other types of marketing, including paid search. SEO is successful because it's an organic way to promote your website's visibility online, prove your company's value, and demonstrate your expertise in your company's industry.

However, implementing and maintaining SEO on your website often takes a lot of time and research. To make the process easier and more efficient, many marketers use SEO Google Chrome extensions.

These extensions are programs you can install on your Google Chrome browser to help with SEO methods like measuring your site traffic, keyword performance, and backlink data. Using these extensions helps both you and your site visitors get the most out of your site.

Below are the top extensions for SEO that you should try out on Google Chrome today.

Free SEO Chrome Extensions

If you're trying out SEO extensions for the first time or if you're on a budget, there are many free options that you can test.

1) MozBar

MozBar, created by SEO service company Moz, has nearly 1 million downloads as a Chrome extension. You might have heard of this tool because of its ability to gather the SEO metrics of your competitors.

Using this tool, you can analyze a competing website's domain authority or the chance that a website will rank on a search engine like Google. Seeing which websites have the highest authority can help you understand what makes a competitor's site successful. Once you have an idea of it, you can try to incorporate a similar content strategy for your site.

You can also survey your competitors' keyword usage and backlinks to see what has and hasn't worked for them.


  • Domain and page authority scores
  • Custom searches by location
  • Highlighted ranking keywords
  • Break down of links that were followed and not followed, and of internal and external links
  • Ability to download a search engine results page (SERP) analysis on a separate file


Free with the option to upgrade to MozBar Premium starting at $99 a month.

2) SimilarWeb

Measuring your website's traffic source is essential in further developing your SEO strategy. Knowing what brings in visitors will inform your understanding of what's working for your website and which current strategies you can disregard. The SimilarWeb Chrome extension is the best tool to view your traffic, including where your traffic comes from and your traffic ranking compared to competitors.

For instance, with the tool, you can see a breakdown of where your traffic is coming from, like search engines, social media, referrals, and ads. You can also get a glimpse of what's working for competing sites.


  • Website traffic statistics
  • Summary of traffic by region  
  • Average user session on your site  
  • Website rankings on various search engines
  • Insight into your competitors' rankings

3) BuzzSumo

BuzzSumo focuses on social engagement. The SEO extension shows the number of shares on different social media platforms that a webpage has received. These include shares on sites like Facebook, Twitter, Pinterest, and Reddit.

Knowing what types of web pages trend on social media will give you an idea of what content you can try out to attract more social engagement and followers. If a content idea is trending that you think would make sense for your content, replicating the idea well is a good way to attract new people to your site.

Moreover, you can also view the number of backlinks for a webpage, which sheds light on a page's authority and credibility.


  • Number of shares of webpages on social media
  • Total backlink count
  • Analysis of social media trends over time

4) UberSuggest

Launched by SEO expert Neil Patel, this extension works with Google, Amazon, and YouTube to view important keyword data. The data includes keyword monthly search volume, cost-per-click (CPC) keyword bidding, and competition information like click comparisons for websites. You can view this data for any search you make, seeing what keywords bring in the most site traffic.

UberSuggest is particularly useful if you create video marketing content on YouTube and want to understand trending video keywords. Once you've collected the data, you can incorporate the keywords in your organic site content or through paid ads on Google.


  • List of trending keywords for Google, YouTube, and Amazon
  • Keyword suggestions, including head terms and longtail keywords
  • Insight on top-ranking content for competitors

5) Keyword Surfer

Another often-used keyword data SEO extension is Keyword Surfer. The tool works directly with Google search results, showing you keyword data for all searches. The data includes factors like search volume, traffic, keyword popularity by region, and keyword suggestions.

The tool also stands out for its content editor, which you can use to create content for your site with top-trending keyword ideas.


  • Keyword search, traffic, and popularity data
  • Keyword ideas and suggestions for content optimization
  • Content editor to create keyword-focused website pieces  

6) Page Analytics (by Google)

Provided by Google itself, Page Analytics shows you essential web page data, covering the average user session, bounce rate, exit percentage, and several active users in real-time. With this information, you can optimize your web page layout and improve the overall user experience on your site. For example, you can change the position of your calls to action, buttons, and banners to positions where users are more likely to click.


  • Web page analytics tools on visitor usage
  • Combines with Google Analytics to analyze site performance

7) RiteTag

Hashtags are a crucial element in social media marketing success. The RiteTag Chrome extension is an optimal way to find the best hashtags for you to use in your social media marketing campaigns, increasing your user engagement.

With this tool, you can generate hashtag suggestions for images and text based on what is trending at the time. The tool offers a color-coded formula that highlights hashtags based on popularity, letting you copy and paste the hottest ones directly into your social media posts.


  • Hashtag generator for uploaded images and texts
  • Hashtag recommendations based on popularity
  • Can copy and paste hashtags directly into posts

Paid SEO Chrome Extensions

If your budget allows, you can choose to invest in paid SEO extensions, which typically offer monthly or annual pricing.

1) Grammarly

Since its launch in 2009, Grammarly has become a must-have Chrome extension for marketers looking to improve their writing. Once you have downloaded the extension, it will start automatically checking your writing across numerous websites, including Gmail, Google Docs, and social media sites like Twitter, Facebook, and LinkedIn.

The tool flags grammatical errors, checks for punctuation, and suggests recommendations on improving tone, clarity, word usage, and plagiarism. The tool is useful for both formal and informal writing, helping you write with the clearest and most concise style.

While there is a free version of Grammarly, it offers much more limited help, so the paid version is the best option.


  • Flagged writing and grammatical issues
  • Writing suggestions and advice
  • Weekly writing reports summarizing your Grammarly usage


$29.95 per month, $59.95 per quarter, or $139.95 per year.

2) Ahrefs SEO Toolbar

Ahrefs is a household name for SEO marketers because of the in-depth data it provides. The Ahrefs SEO toolbar shows you a lot of technical data, including a site's indexability and crawlability, canonical URL, and a comparison of tags in raw HTML and the rendered version for JavaScript users.

The tool also provides common SEO data, like keyword volume, broken links, and domain ranking. Altogether, this SEO extension is a must-have for digital marketers with advanced SEO knowledge.


  • On-page SEO metrics report
  • Highlighted links, including internal, external, followed, and no-follow links
  • HTTP header and redirect tracer


There is a free version of the Ahrefs SEO toolbar, though its SEO data is limited. The paid version starts at $99 per month.

3) WooRank

WooRank aims to improve the SEO score of any website. Specifically, the tool analyzes websites for SEO factors like title and meta tags, page speed, keyword usage, social engagement, mobile-friendliness, and security.

You can use WooRank to improve your website or to get insight into your competitors' website performance. This tool is especially useful for digital marketers, as they can use the knowledge obtained to understand if their marketing campaigns have the reach they planned for.


  • Website performance check for critical SEO factors and performance
  • Analysis of what makes competitors' sites work well
  • Up to date on trending SEO key metrics


Free for 14 days, then $49 per month.

4) Ninja Outreach

Ninja Outreach is an ideal SEO extension in digital marketing outreach efforts. The tool automates the process of discovering and communicating with potential prospects, such as business leads or social media influencers.

You can find the email addresses tied to a given domain or research possible collaborators with the extension's more advanced tools. Once you've gathered your list of emails, you can either create custom emails to send out or use pre-written templates that the tool offers.


  • List of email addresses associated with a given domain
  • A large variety of pre-written email templates
  • Data on social media influencers, including their engagement rate and reach


Ninja Outreach Lite is available for free, with the more in-depth Ninja Outreach Pro ranging from $119 to $499 per month.

5) Mangools

The Mangools Chrome extension provides a lot of vital SEO data while ensuring the SEO process remains simple and accessible for marketers. The tool lets you evaluate your website's (and competing websites') SEO performance as it stands now, including unique measurements like trust flow, or how trustworthy your site is.

You can also receive a preview of how your site will look in Google SERPs with a SERP snippet tool. You can view your meta tags, headings, structured data, outbound links, and page speed as part of the preview.


  • Analysis of common SEO metrics, such as keywords, backlinks, and authority
  • Preview of website's look on SERPs
  • Rank tracking of websites on Google SERPs


Free for 10 days, then $29 per month.

6) Buzzstream

If you already have a Buzzstream account, you can use the Buzzstream Chrome extension. Using this tool, you can easily collect contact information and links to prospects you'd like to reach out to. You can also create notes on your communication history with prospects, leading to more managed contact relationships.

All of this process happens directly on-site, without the need to open another plug-in or tool. You can also organize your contact list by those contacted and those not yet contacted to make sure you don't accidentally make repeat communications.


  • Contact lists built directly from web pages
  • Contacts organized by communication
  • Note creation for each prospect


$24.99 per month.

7) Boomerang

Boomerang is an AI-powered Chrome extension that boosts email marketing productivity. The tool works with Gmail to perform email capabilities like scheduling messages, tracking emails, and receiving read receipts.

The tool also lets you snooze incoming emails to make sure your inbox remains clean and organized. This ensures you don't miss important emails from respondents, like sales leads. Lastly, you can measure email engagement and receive an analysis of email responses over time to determine their effectiveness.


  • AI-centered email writing and management
  • Email schedule capabilities
  • Analysis of email effectiveness


Free for up to 10 emails a month, with paid plans starting at $4.98 per month.

SEO Chrome Extensions and Your Business

Google Chrome accounts for 50% of the internet browser market in the United States. Its numerous extensions, plug-ins, and tools make it an imperative in digital marketing today, especially for SEO. Any of the above SEO extensions will help you optimize SEO easily, quickly, and more affordably.

The first step to deciding on which extension to use is to decide on your current SEO goals — whether you want to decrease your bounce rate, increase your traffic rate, or move up in search rankings. Once you've settled on your goal, you can choose the right Chrome SEO extension to reap its benefits.

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