How important is SEO in 2026? A comprehensive guide to best practices

Since Google was launched in 1998, its ranking algorithm has been constantly evolving to help users find what they’re looking for. Although web users are discovering new ways to search through AI and social media, SEO is still as necessary as ever for brands hoping to be seen by the right people at the right time. In this guide, we’ll provide strategic, actionable steps to help you understand SEO trends and implement best practices in 2026.

SEO foresight for 2026 – key trends to watch out for

The biggest and most unavoidable innovation in search behaviour is the shift towards AI.  As Google’s Gemini is directly integrated into search engine results pages (SERPs), AI will naturally reference websites that are well optimised for SEO. This can be taken even further, though, if we structure content to ensure LLMs can parse it with ease. AI tends to prefer conversational content that’s well-structured and focuses heavily on the user’s intent while they’re searching. 

AI search is also enabling a rise in “zero-click searches,” which allow users to search for information in a chatbot or a large language model (LLM) such as ChatGPT without having to visit another website. While these AI tools may often credit the source of the information, the user typically doesn’t visit the source’s website. This is especially common with purely informational content – as users can now get these answers purely from searching.

AI is defining the future of search as we know it. New terms like ‘answer engine optimisation’ (AEO) and ‘generative engine optimisation’ (GEO) are rearing their heads in digital marketing circles – but many of the best practices for these new methods are the same as the best practices that already exist for SEO. So, while some may claim that SEO is dead and AI is the future, the truth is that the two require the same type of care.

Comprehensive guide to on-page SEO best practices 2026

SEO impacts businesses regardless of industry or audience. SEO drives more leads, more visibility and in turn more revenue. As part of a long-term marketing strategy, it’s non-negotiable. So, what are the best practices for SEO in 2026?

Keep on top of the basics

On-page SEO is as important as it has always been. Without it, you won’t get very far. Make sure that all of your metadata, such as page titles, meta descriptions and headings, are within their correct character counts. That’s around 60 characters for titles and headings, and a maximum of 155 for meta descriptions.

Show off your authority in your content

It’s not enough to mention your keywords in your copy and call it a day – you’ll need to prove that your content is genuinely valuable. Google recommends following the ‘Experience, Expertise, Authoritativeness and Trustworthiness’ (EEAT) framework in order to make your content rank higher. 

To benefit from EEAT you should:

• Highlight the author’s credentials.
• Include any first-hand experience and original insights wherever applicable.
• Make sure that your content is accurate and well-researched.
• Go beyond surface-level explanations. Give comprehensive answers and insights that readers can’t get elsewhere.
• Be transparent and honest. Showing integrity helps readers, and Google, trust your content.
• Include structured data on appropriate pages.

Focus on user intent

Google has always aimed to match users with what they’re searching for – so it’s important that your pages genuinely attempt to solve users’ problems. If you’re an ecommerce store, make sure that your product descriptions clearly explain what the product is. If it solves a problem, explain how it solves it. If you’re providing educational content, answer the questions your users are searching for, and include any potential follow-up questions in a set of Frequently Asked Questions (FAQs).

It’s all in the user experience

Not only does Google want its users to find what they’re looking for, they want them to have a good experience while finding it. Ensuring your website UX is top-of-the-line is vital to success and often helps with getting your pages in the top results. 

Keep a close eye on Google Search Console and see if you have any issues with your core web vitals or indexing, as this could indicate issues with your website that need fixing right away.

Common SEO pitfalls to avoid in 2026

Outdated techniques still appear on many websites, no matter how cutting edge they might be. 

Avoid unclear content

Time and time again, users find themselves faced with online content that’s vague or unclear. If users don’t understand what your content means, it won’t convert them to being a customer. And if users don’t understand how your products, services or answers can help them, then Google won’t either. 

Do you feel like your content is failing to connect with your users? Your best bet might be to self-assess it, identify the pressing issues and build a clear content marketing strategy.

Avoid meta keywords

Meta keywords have been irrelevant for rankings for years now, yet some SEO tools still insist on having them. Any time spent allocating these keywords and implementing them on your site is time wasted. You can feel free to ignore them.

Avoid typical black hat SEO techniques

So-called ‘black hat’ SEO tactics are those which break a search engine’s terms of service, like hiding invisible keywords in your text. Google has been wise to techniques like these for years, so they won't help you gain an advantage any more. So it’s definitely best to avoid paying for large quantities of backlinks, for instance, and to consider a more organic digital PR approach.

Measuring SEO success

The key metrics in SEO are still the same as ever. While the path to the top of Google is never the same for two websites, the way we measure it is. When aiming for SEO success, be sure to pay attention to:

• Organic traffic.
• Clicks and impressions.
• Click-through rate.
• SERP/keyword rankings.
• Domain authority.

Remember: your SEO results will always fluctuate – and there’s nearly always a reason why they do. Pay attention to your competitors’ SEO, Google updates, and even seasonal demand in your industry.

Need help staying on top?

If you’d like some expert eyes to look at your SEO strategy, Cartwright can help. Our team is well-equipped with search engine knowledge. Get in touch and we’ll take a look at what’s working, what’s holding you back, and where the biggest difference can be made.