On-Page SEO Techniques

On-page SEO techniques for your website

Some SEO fundamentals never go out of style. On-page SEO — how each page is written and structured — has been a ranking essential for years, and it still underpins every page that ranks well today. The trends change, but search engines (and now AI answer engines) still need to understand what your page is about, and visitors still need it to be clear and useful. Here are six on-page techniques worth getting right.

Key takeaways
  • Use clean, descriptive URLs and a unique, optimised title on every page.
  • Structure content with a single H1 and logical H2/H3 headings.
  • Name and describe images well, and use keywords naturally — never stuff them.
  • Write compelling meta descriptions to earn the click.

Clean, descriptive URLs

Search engines favour clear, readable URLs. Keep them short, separate words with hyphens, and include the main keyword for the page so both crawlers and people can tell what it's about at a glance. If you're targeting an area, it's fine to include your location naturally — just keep it genuine rather than cramming keywords in.

Unique, optimised page titles

Your page title is one of the most significant on-page ranking elements, and it's usually the headline people see in the search results — so it has to be both relevant and inviting. Give every page and post its own unique title that includes its main keyword, aim for roughly 50–60 characters so it isn't cut off, and write it to earn the click, not just to match a query.

A clear heading structure

Headings tell Google — and your readers — how a page is organised. Use a single H1 for the page's main topic, then H2s and H3s to break content into scannable sub-sections. People skim, so clear headers improve the experience, and search engines pay close attention to heading text because it signals what each section covers. One H1 per page is the rule; everything else nests beneath it.

Image alt text and file names

Images reinforce your page's content and can rank in Google Images, but only if you help search engines understand them. Give each image a descriptive, keyword-relevant file name rather than "IMG_1234.jpg", and write clear alt text that describes what it shows. It's good for SEO and essential for accessibility. More on optimising images →

Keywords used naturally

Relevant keywords throughout your content help both readers and search engines understand your page — but the key word is naturally. Repeating keywords excessively (keyword stuffing) reads badly and can get you penalised. Research what your audience actually searches with tools like Google Keyword Planner, Semrush or Ahrefs, then write for people first, weaving terms in where they genuinely fit. Many of the best are long-tail phrases. More on content creation →

Compelling meta descriptions

A meta description doesn't directly affect rankings, but it's your pitch in the search results — a well-written one earns more clicks. Keep each one unique, relevant and around 150–160 characters, include your main keyword, and make it interesting enough that someone chooses your result over the others.

On-page SEO is the foundation everything else builds on. Get these six right and you give your content, technical SEO and links something solid to work with. If you'd like a hand auditing your pages, that's exactly the kind of thing we do.

On-page SEO FAQs

The questions we hear most about on-page optimisation.

What is on-page SEO?
On-page SEO is the practice of optimising the elements on your own pages — titles, headings, URLs, content, images and meta descriptions — so search engines and visitors can easily understand what each page is about. It's the foundation the rest of your SEO builds on.
What's the most important on-page SEO factor?
High-quality content that matches what the searcher wants is the most important factor, supported by clear titles and a logical heading structure. Get the content and structure right and the technical details have something worthwhile to point to.
How long should a title tag and meta description be?
Aim for a title tag of roughly 50–60 characters so it isn't cut off, and a meta description of about 150–160 characters. Both should be unique to each page, include your main keyword naturally, and be compelling enough to earn the click.
Does on-page SEO help with AI search?
Yes. The same clear structure, descriptive headings and well-organised content that help Google understand your pages also help AI answer engines understand and cite your business.
Renae Weaver, Founder of SEO Plans
Renae WeaverFounder of SEO Plans, helping Australian businesses get found since 2009. More about Renae →
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