You can spend months building backlinks and fine-tuning your Google Ads, but if the pages on your own website are not set up properly, most of that work goes to waste. On-page SEO is the part of search optimisation you control directly: what each page says, how it is structured, and how clearly it tells Google what it is about.
It is also the part small business owners most often skip, because it sounds technical. It is not. You can check most of it yourself in an afternoon, and the fixes are usually simple.
What on-page SEO actually means
On-page SEO covers everything on your website that affects how search engines understand and rank a page. It is different from off-page SEO, which is about signals from other sites, such as backlinks and online reviews.
The list is shorter than the marketing blogs make it look. For a typical UK small business site, six things matter: the page title, the headings, the content itself, the internal links, the images, and how fast the page loads.
Start with the title tag
The title tag is the blue headline that appears in Google’s search results. It is the single most important piece of on-page optimisation on any page.
A good title says what the page is about in plain language, includes the phrase your customer would actually type into Google, and fits on one line. “Roof Repairs in Reading | ABC Roofing” beats “Welcome to ABC Roofing, Quality Roofing Services for the Whole of Berkshire”, because it matches the search rather than the brochure.
If you have not looked at your title tags since the site was built, start there. WordPress sites can be updated page by page without touching the design.
Headings are a map, not decoration
Your H1 is the main heading at the top of the page. Every page should have exactly one, and it should describe the page’s purpose. The H2s underneath are the sections. Google uses them to work out what the page covers, and readers use them to decide whether to stay.
The test is simple. If someone skimmed only your headings, would they know what the page offers and whether it answers their question? If not, rewrite the headings before anything else.
Content that answers the question
Search engines have got good at judging whether a page actually answers the query, not just whether it contains the right words. A 300-word page that directly answers “how much does a new boiler cost” can outrank a 2,000-word page that dances around the subject.
Write for the person who asked the question. Use the words they use, not the industry jargon your sector likes. Cover the obvious follow-up questions on the same page. And resist the temptation to stuff keywords into every sentence. One natural mention of your main phrase in the title, the H1, and the first paragraph is enough.
If you are not sure which phrases your customers actually search for, start with our guide to keyword research for small businesses. It walks through finding the terms that matter for your town and your trade.
Internal links connect the dots
Internal links are the links from one page of your site to another. They do two jobs. They help visitors find the next useful page, and they help Google understand which pages of your site matter most.
Every service page should link to at least one other relevant page. A plumbing page can link to your boiler installation page, which links to your reviews page, which links to your contact page. Think of it as guiding visitors through your site the way a good salesperson guides a conversation.
Images and speed: the quiet winners
Images with descriptive filenames and alt text help Google understand what the page shows, and they can earn you visibility in image search. More importantly, heavy images are usually the main reason a small business site loads slowly. Compress every photo before you upload it, and serve the right size for the space it fills.
Page speed matters twice. Visitors leave slow sites, and Google treats speed as a ranking factor. The free PageSpeed Insights tool tells you exactly which files are slowing your pages down.
What not to bother with
Ignore keyword density percentages. Ignore meta keyword tags. Ignore anyone selling “one-click SEO software” or guarantees that you will rank first for anything. The basics above will take a typical small business site further than any shortcut.
When to bring in help
If your site is older, built on a platform you cannot edit, or you simply do not have the time, a one-off SEO audit is the fastest way to find out what is holding your pages back. A good audit tells you exactly which pages to fix, in what order, and what each fix should look like. From there, the work is straightforward.
Want a clear list of what to fix on your site? The SumFactors team can run an audit that tells you what is working, what is not, and what will actually move the needle for your business. Get in touch through the contact page to book a chat.