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Free Plugin by SEMrush CY LTD v1.2.1

Semrush SEO Writing Assistant

The Semrush SEO Writing Assistant provides instant recommendations for content optimization based on the best-performing articles in Google's top 10.

Semrush SEO Writing Assistant

The facts

Rating
2.8★ from 25
Active installs
9k+
Price
Free
Last updated
22 Dec 2025
Added
Oct 2018
Requires WP
4.8
Tested up to
WP 6.9.7
Requires PHP
5.2.4
Downloads
178,061

Our analysis

AI-assisted

The Semrush SEO Writing Assistant is a WordPress plugin designed to enhance the visibility and engagement of your content. It provides real-time recommendations on readability, SEO, and tone of voice, helping you to create impactful text for both readers and search engines.

To use the plugin, you need a Semrush account to specify target keywords. The plugin integrates with your WordPress site and allows you to assess and edit content directly, offering features like keyword suggestions, plagiarism checks, and an overall SEO score based on your text.

Best for: Content creators and marketers looking to optimise their writing for SEO.

What it does well

  • Offers real-time readability and SEO suggestions
  • Includes a plagiarism check feature
  • Provides keyword suggestions to boost visibility
  • Allows assessment of tone consistency
  • Integrates directly with WordPress

Where it falls short

  • Requires a Semrush account for keyword specification
  • Third-party code not reviewed by WordPress team
  • Limited functionality with a Free Semrush account

Verdict

The Semrush SEO Writing Assistant offers useful tools for improving content quality, but its reliance on a Semrush account may limit accessibility for some users.

From the developer

SEMrush CY LTD's own description of Semrush SEO Writing Assistant, lightly tidied.

For your content to be successful, it needs to be visible and engaging. SEO Writing Assistant—our smart editor tool—ensures that your text ticks both of these boxes by providing recommendations and improvements in real time.

The tool integrates seamlessly with WordPress and offers key readability and SEO suggestions based on the best-performing content in Google’s SERPs. Whether you’re writing your own copy or editing someone else’s, SEO Writing Assistant makes the end product as impactful and effective as possible—for readers and search engines.

Key Features

  • Readability: Use the Flesch-Kincaid score to assess and improve your text’s readability
  • Recommended Keywords: Receive semantically related keyword suggestions that can help boost your visibility
  • Tone of Voice: Ensure that your tone is smooth and consistent across your text
  • Plagiarism Check: Verify that your writer has submitted original content and avoid penalization
  • Rephraser: Rework pieces of text to improve quality, target different channels, or overcome writer’s block
  • Overall Score: Evaluate and maximize the SEO potential of your text based on key on-page factors

How Does It Work?

The SEO Writing Assistant plugin allows you to write, assess, and edit your content in WordPress.

To set it up, follow these steps:

  1. Click “Download” at the top of this page. The plugin will automatically save as a .zip file.
  2. Log in to the admin area of your WordPress account.
  3. Find “Plugins” in the main menu, and click on “Add New”.
  4. Find and click “Upload Plugin” at the top of the page and select the .zip file.

Once the plugin has been installed, it should be activated in your “Installed Plugins” list (if it isn’t, ensure that you do so). Go to the page or post you want to optimize and click on “Connect SEO Content Template” (you will need to be logged in to your Semrush account).

Limits

To use SEO Writing Assistant, you need to first specify your target keywords. This requires a Semrush account.

With a Free or Pro Semrush account, you can create one recommendation set (tied to a document) for a lifetime. Higher tier accounts have different keyword budgets depending on the subscription plan, as well as full access to the powerful Semrush Content Marketing Platform.

Technical details

Please be aware that the plugin uses a third-party code provided by the Semrush SEO Writing Assistant tool that is not reviewed by the WordPress team. To analyze your text, the plugin will send it to Semrush API where texts can also be stored for statistical analysis. To improve user experience, telemetry data is collected by Google Analytics.

See also

Semrush Privacy Policy
Semrush Terms and Conditions

Read the full description on the official page →

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