How to optimize content for SEO using Semrush's Writing Assistant

Executive overview

AI-generated content has flooded the web, making quality and originality harder to stand out with. Semrush's SEO Writing Assistant scores your draft across four dimensions — SEO, readability, originality, and tone of voice — and surfaces specific fixes in minutes.

Paste your text, add target keywords, and the tool tells you exactly what to improve.

A single tool replaces manual SEO auditing, readability editing, and plagiarism checking.

What the tool checks and how to use it

• Paste any text and enter target keywords to get an instant score across four dimensions: SEO, readability, originality, tone of voice
• SEO tab surfaces related keywords found in top-performing articles — add them to improve comprehensiveness
• Added keywords turn green when included; score updates in real time
• Readability suggestions include splitting paragraphs and simplifying sentences via AI — accept or reject each change
• Compose feature generates a new paragraph on demand if existing content is thin or weak
• Originality check flags potential plagiarism within the same tool

Integration options

• Works directly in the Semrush content marketing interface
• Available as an add-on for Google Docs and WordPress