Getting lost in the depths of Google search is not something you want for your business, especially when you’ve paid a lot of money for a great website design. On-page SEO is a vital tool to help you work your way up the rankings and hopefully take the top spot.
Building backlinks and poring over algorithms will only get you so far, if your pages aren’t fully optimised, you’re going to miss out on valuable traffic and potential customers.
It doesn’t matter whether you are running a small business, managing an e-commerce site, or simply trying to grow your page; with our on-page SEO checklist, you can see the steps you need to take.
Let’s get started and help you make your website one that Google will happily rank well.
What is on-page SEO?
On-page SEO is everything you can optimise directly on your website to help search engines understand, rank and make sure your content is given to the right audience. It’s about fine-tuning the elements you control, from page titles and meta descriptions to content structure, keywords, internal links and images, and even how your URLs are formatted.
The better your on-page SEO, the easier it is for Google and your visitors to know what your site is about. As well as reasons why it deserves to rank higher than competitors.
Search engines are smarter than ever, but they still need clear signals to evaluate your pages. That’s why having a strong on-page SEO strategy can make all the difference.
Why you need a checklist to use
There are so many factors involved, so it’s easy to overlook certain on-page SEO elements. Especially when you’ve got content creation, site updates, and everything else to do that comes with running a website.
Having a checklist can help keep you focused and helps you keep that consistency across every page on your site.
The checklist is a simple, repeatable process that covers all the essentials. Having one means you don’t let anything slip through the cracks, and you’re not relying on memory or guesswork.
Plus, if you have a checklist that can be easily updated when search algorithms evolve, it means that you can stay ahead of your competitors and make sure that your site has everything it needs to follow the best practices.
The complete on page SEO checklist
Keyword research
Before you begin on writing wonderful content for your website, you’ll need to get the right list of keywords. Tools like Ahrefs, Google Keyword Planner and SEMrush can help you find primary and secondary keywords that are relevant to your site and audience.
Free tools, Ubersuggest or AnswerThePublic, can be useful too.
The important thing to remember is that the keywords you choose match the search intent of your target audience. This means you get relevant traffic to your site.
Title tag optimisation
Title tags are the first impression users get in the search results. Put your primary keyword near the beginning of the title to show relevance. Keep it concise, it’s best under 60 characters, to stop it from being cut off. You want to create titles that highlight a benefit or spark curiosity to encourage clicks.
Meta description
Meta descriptions don’t directly influence rankings, but they can impact click-through rates. Add your primary keyword here naturally, as well as describe what users can expect from the page. It’s also useful to include any unique selling points, and a clear call to action to entice users to visit your site.
URL Structure
A clean and descriptive URL will help users and search engines to understand your page’s content. Hyphens should separate words, and relevant keywords should be included where possible. For example, yoursite.com/on-page-seo-checklist is more informative than yoursite.com/page1.
Header tags
Content should be organised with proper header tags for better readability and SEO purposes. Use a single H1 tag for the main title, followed by H2s for primary sections and H3s for subsections. Having a hierarchical structure helps search engines understand the content flow, as well as improving the user experience.
Content quality and optimisation
You need to create content that gives value to readers. Add related keywords and semantic terms to thoroughly cover your topic. You should aim for a word count that provides sufficient information without unnecessary fluff. Updating your content to make sure it’s fresh and relevant also shows search engines that your site is active.
Internal linking
Linking to other relevant pages within your website helps to distribute page authority and keeps users engaged. Descriptive anchor text will display the topic of the linked content. But don’t overload pages with links; focus on quality over quantity.
Image SEO
Optimise your images with descriptive, keyword-rich file names and add alt text for accessibility. Compress your image files to minimise site speed without compromising quality. Together, these can help give a better user experience and help to improve your rankings.
Mobile-friendliness
With mobile-first indexing, it’s vital that your site is responsive across all devices. You need pages that adapt seamlessly to various screen sizes. Intrusive pop-ups that hinder user experience on mobile devices should be avoided.
Page speed
Page load time is a crucial factor for both users and SEO. GTmetrix and Google PageSpeed Insights will identify any speed issues, allowing you to go in and fix them.
Page speed can be improved with:
- Image compression
- Browser caching
- Content delivery networks to enhance performance
Schema markup and structured data
Schema markup can help search engines understand your content better, which could result in rich snippets in search results. Tools like Schema.org or Google’s Structured Data Markup Helper will add appropriate schema types, such as articles, products, reviews or FAQs.
User experience and engagement signals
A positive user experience can lead to longer dwell times and lower bounce rates. Your site should have intuitive navigation, clear calls to action, and content that meets user expectations. Engaging content encourages your visitors to stay longer and interact more with your site.
Outbound links
Linking to reputable external sources can add credibility to your content. The link should be relevant and add value for the reader. Use the ‘nofollow’ attribute when linking to pages you don’t want to endorse, such as sponsored content.
Canonical tags
Canonical tags help prevent duplicate content issues by specifying the preferred version of a webpage. Add them correctly to consolidate link equity and avoid confusion for search engines when similar or identical content exists across multiple URLs.
On-page SEO mistakes to avoid
Keyword stuffing
We’ve all seen it, content that stuffs the same keyword in over and over. It may very well get you noticed by Google, but not in a good way. Overusing terms can feel spammy and will undoubtedly turn off your readers. Plus, Google will likely penalise you for it.
Top tip: Use your keywords wisely. Include them in your introduction, in the body of the text, in a header and maybe in your conclusion.
Thin or duplicate content
Ever clicked on a page and felt like you’ve read it 10 times before? These pages are likely to result in big bounce rates. Thin or copied content will confuse your readers and search engines. Worryingly, Google could even drop your rankings or completely ignore the duplicates.
Top tip: If you have similar content across pages, pick a hero page and use return links or canonical tags. You may want to consider merging or updating content to ensure that every page provides your audience with unique value.
Ignoring mobile optimisation
Mobile-first indexing is now the standard for Google. If your website doesn’t look great on a phone, you’re essentially setting yourself up for failure.
Top tip: Check your site’s responsiveness with Google’s Mobile-Friendly Test. A responsive design and a clear layout are best, and avoid pop-ups that take over the screen.
Broken internal links
Clicking a link that leads nowhere is frustrating for your users, and search engines can also notice it. Pages that are littered with broken links interrupt your website’s flow, kill engagement, and waste crawl budget.
Top tip: Run a monthly check using tools like Screaming Frog or Broken Link Check. Take time to fix or redirect broken links quickly to keep your site healthy and user-friendly.
Neglecting meta tags
Meta titles and descriptions aren’t just a nice little addition. They’re the first chance for you to explain what your site is about to your audience. Missing or generic tags can hurt your click-throughs and visibility.
Top tip: Write unique page titles that are under 60 characters, and meta descriptions around 160 characters. Include your keyword and an invitation for the audience to act.
Free tools to help with on-page SEO
Yoast SEO
If you have a WordPress site, Yoast SEO is a great free tool to help with your on-page SEO. Yoast provides you with tips on keyword use, readability, meta elements, XML sitemaps, and schema, all as you edit and upload content in the backend.
Screaming Frog
The free version of Screaming Frog lets you crawl up to 500 URLs and finds broken links, missing meta tags, duplicate pages, crawl issues, and more.
Google Search Console
Search Console is a free toolkit that measures search performance. You can track clicks, impressions, index coverage, core web vitals, and inspect URLs directly in Google’s index. Plus, it’ll give you notifications for issues on your site, as well as showing which queries drive traffic to your site.
Ahrefs Webmaster Tools
Ahrefs now offers Webmaster Tools for free, and honestly, it’s great. Once your site is verified, you can get access to:
- A site audit, giving you technical or on-page issues
- Site explorer insights into organic keywords, backlinks, and top-performing pages
- Basic web analytics without cookies, for traffic trends
On-Page SEO in 2025: Key considerations
SEO constantly evolves; as algorithms change, we need to keep our knowledge fresh and our sites updated. Here are some key considerations you need for 2025.
User intent and topical authority
Both user intent and topical authority are becoming increasingly important for on-page SEO. The focus of content should be on solving problems for the audience, answering their questions and building content clusters around main topics to help establish your topical authority.
AI and Search
AI is certainly impacting SEO, but Google is still prioritising content quality over how it’s created. AI content is accepted if it’s original, useful, and people-first. Not simply produced in order to up how much content your site has. AI should be used to assist you in content creation, not replace it.
Semantic SEO
Search engines have evolved over time and now they no longer just keyword match, but understand context and intent. Semantic SEO optimises content for topics allowing Google to understand the content more deeply. You should focus on detailed topic coverage, clear entity associations, and proper scheme markup.
Voice search optimisation
When searching for things using their voice, people will use natural language and question-based keywords. This means you should focus on optimising for conversational queries.
Google’s Navboost Algorthim
This algorithm relies on user clicks and remembers past queries. It’s worth spending time on internal linking to enhance navigation through your site and improve the user experience, aligning with Navboost’s goals.
It’s time to get your on-page SEO in shape
There you have it, a complete on-page SEO checklist for 2025, the common traps to avoid, and a toolkit full of helpful (and free) resources to help you do it.
It’s important to remember that even the best-looking website won’t do much if it’s buried on page four of Google. Optimising your content and structure is what helps search engines and your audience find you.
SEO isn’t a one-and-done job. It’s an ongoing process that is changing over time, and you reap the benefits from consistency. So, whether you’re doing a full-site audit or tweaking a single blog post, the checklist above is something to keep in mind.
Want help putting it all into action?
You’ve got the checklist, but if you’d rather spend time elsewhere on your business and not chase down meta tags or fix broken links, Marty Rogers can help.
From on-page SEO clean-ups to ongoing strategy and support, I’m here to fine-tune your site so it ranks higher, loads faster, and speaks clearly to Google and your visitors.
Ready to stop guessing and start ranking?
Get in touch with me today and let’s make your website work harder for you.