Writing for search engine optimization (SEO) is a balancing act. Your primary goal is to provide genuine value to human readers, but you must also structure that value in a way that search engine crawlers can easily understand and categorize. If you lean too far toward humans, Google might not know what your article is about. If you lean too far toward bots, your readers will leave.

Here is how to master on-page SEO writing, from strategic keyword placement to image optimization.

1. Strategic Keyword Placement (How to "Embed" Keywords)

Keyword stuffing—cramming your target phrase into every sentence—is an outdated tactic that will actively penalize your site. Today, keyword placement is about context and hierarchy.

Before you start writing, you should have one primary keyword (the main topic) and 3-4 secondary/LSI keywords (related terms and synonyms). Here is exactly where they belong:

• The Title (H1 Tag): Your primary keyword should appear as close to the beginning of your title as naturally possible.

• The URL Slug: Keep it short and use the primary keyword (e.g., yourwebsite.com/seo-writing-guide).

• The First 100 Words: Introduce your primary keyword naturally in the opening paragraph. This signals to both the reader and the search engine that they are in the right place.

• Subheadings (H2 and H3 Tags): Use your primary keyword in at least one H2 tag. Use your secondary keywords in other H2s or H3s to structure your sub-topics.

• Naturally Throughout the Body: Sprinkle your primary and secondary keywords throughout the text, but only where they make grammatical sense. Read your sentences out loud—if the keyword sounds forced, rewrite it.

2. Mastering Image SEO (Alt Text and Beyond)

Images break up large walls of text and keep readers engaged, but search engines cannot "see" images. They rely on the metadata you provide to understand what the image depicts.

Writing Effective Alt Text

Alternative text (Alt text) was originally designed for visually impaired users who rely on screen readers. Because it describes the image, search engines use it to index your visual content for Google Images and to understand the context of the surrounding article.

The Golden Rule for Alt Text: Describe the image accurately and concisely. Only include a keyword if it genuinely describes what is in the photo.

• Bad Alt Text: alt="shoes running marathon fast"

• Good Alt Text: alt="A pair of blue Nike running shoes on a wet track"

• Bad Alt Text: alt="seo article keyword optimization" (on a photo of a laptop)

• Good Alt Text: alt="A person typing on a laptop with an SEO dashboard on the screen"

Image File Names and Size

• File Names: Before uploading the image, rename the file to reflect its content using hyphens instead of spaces (e.g., blue-nike-running-shoes.jpg, not IMG_93847.jpg).

• Compression: Large images slow down your page loading speed, which hurts your SEO ranking. Always compress images (aiming for under 100KB if possible) before adding them to your article.

3. Formatting for Scannability

Search engines track user behavior, including dwell time (how long they stay on the page) and bounce rate (how often they leave without clicking anything else). If a reader opens your article and sees a massive, intimidating wall of text, they will leave immediately.

To keep users reading:

1. Keep paragraphs short: Aim for 2-4 sentences per paragraph.

2. Use formatting: Use bold text to highlight key takeaways so users scrolling quickly can still get value.

3. Use lists: Bulleted and numbered lists make complex information much easier to digest.

4. Smart Linking Strategy

A well-optimized article connects to the rest of the internet.

• Internal Links: Link to 2-3 other relevant articles on your own website. This keeps readers on your site longer and helps search engines crawl your older content. Use descriptive anchor text (e.g., "read our guide to backlink building," not "click here").

• External Links: Link to 1-2 high-authority, trustworthy external sources (like a university study, an industry report, or an official tool) to back up your claims. This shows search engines that your content is well-researched and credible.