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DIY SEO audit vs hiring an SEO agency
The honest answer is that both have their place. If you’ve got a small website or you’re simply trying to understand the basics, doing your own audit can be a useful starting point. But if your website plays an important role in bringing in leads or sales, there’s a point where free tools and guesswork stop being enough. In this guide, we’ll compare both approaches, explain where DIY audits work well and show why most growing businesses get far more value from having their website reviewed by SEO specialists. Should you do a DIY SEO audit or hire an SEO…
The honest answer is that both have their place. If you’ve got a small website or you’re simply trying to understand the basics, doing your own audit can be a useful starting point. But if your website plays an important role in bringing in leads or sales, there’s a point where free tools and guesswork stop being enough.
In this guide, we’ll compare both approaches, explain where DIY audits work well and show why most growing businesses get far more value from having their website reviewed by SEO specialists.
Should you do a DIY SEO audit or hire an SEO agency?
For most businesses, hiring an SEO agency is the better choice. A DIY SEO audit is useful for spotting obvious issues and getting a basic understanding of your website’s health, but it only scratches the surface. An experienced SEO agency doesn’t just identify problems, it explains why they’re happening, prioritises what matters most and provides a clear plan to improve rankings, traffic and enquiries.
If your website is an important part of your business, an expert audit is almost always worth the investment.
What is a DIY SEO audit?
A DIY SEO audit is exactly what it sounds like. You’re checking your own website for issues that could be affecting its performance in search results.
There are plenty of tools that can help. Google Search Console highlights indexing problems, PageSpeed Insights measures loading times and platforms like Screaming Frog, Ahrefs and Semrush can all flag technical issues and opportunities for improvement.
On paper, it sounds simple. Run a few reports, fix the errors and watch your rankings improve. In reality, SEO isn’t quite that straightforward. Most tools are brilliant at telling you what they’ve found, but are far less useful at telling you what actually matters.
That’s why many businesses end up with a long list of recommendations and no real idea where to start.
What does a complete SEO audit actually cover?
Before comparing DIY and professional audits, it’s worth understanding what a comprehensive SEO audit should include. While there are hundreds of ranking factors, they generally fall into three key areas:
- On-page SEO
- Off-page SEO
- Technical SEO
Missing one of these areas means you’re only seeing part of the picture.
On-page SEO
On-page SEO focuses on the elements you control directly, including page titles, headings, content, internal linking and keyword targeting. An audit reviews whether your pages align with what people are actually searching for, how well they satisfy search intent and whether they’re helping or hindering your visibility.
Off-page SEO
Off-page SEO looks at the signals that influence your website’s authority beyond your own pages. An audit assesses the quality and relevance of your backlink profile, identifies opportunities to strengthen your authority and compares your online presence against key competitors. It’s about understanding how search engines perceive your website’s trustworthiness and where improvements can be made.
Technical SEO
Technical SEO provides the foundation for everything else. An audit examines how easily search engines can crawl, index and understand your website by reviewing site structure, mobile usability, structured data, redirects and crawl errors. Resolving technical issues helps search engines access your content more effectively and creates a better experience for users.
A good SEO audit considers all three pillars together. Focusing on one while ignoring the others can leave valuable opportunities on the table.
The benefits of a DIY SEO audit
Let’s be fair, doing your own audit isn’t a bad idea in every situation.
If you’re new to SEO or you’ve got a small website, carrying out your own audit can help you become more familiar with how search engines see your business online.
A DIY SEO website audit can:
- Highlight obvious technical issues
- Help you understand how your website performs
- Introduce you to Google’s free SEO tools
- Give you a better understanding of keywords and content
- Save money if you’re carrying out basic health checks
If you’re comfortable analysing data and have the time to invest, a DIY audit can provide a useful starting point. Perhaps the biggest value of doing the SEO audit yourself is learning and understanding the basic principles of SEO, and becoming more familiar with some of the tools that measure your website’s overall performance.
Where DIY SEO audits start to fall short
Here’s the thing, running an SEO tool doesn’t make you an SEO expert. So, you may find SEO tools are great at finding issues, but they don’t tell you which ones are actually worth fixing first.
You might get a report with hundreds of warnings, but not all of them are stopping your website from performing. It’s easy to spend days chasing technical recommendations that make very little difference while missing the handful of changes that could genuinely move the needle.
A DIY audit also has its limits when it comes to:
- Understanding why pages aren’t ranking
- Spotting content that’s missing the search intent
- Finding keyword opportunities your competitors are already targeting
- Identifying crawl and indexing issues
- Deciding what should be fixed first
That’s where experience makes all the difference. An SEO specialist doesn’t just read the report, they know what matters, what doesn’t and how to turn those findings into measurable improvements.
What does an SEO audit agency do differently?
Anyone can run an SEO tool. The real value comes from knowing what the data actually means. That’s the biggest difference between a DIY audit and working with an SEO agency.
As your business grows, so does the complexity of SEO. Websites evolve, competitors improve and search engines continually update how they rank content. At some point, relying solely on automated reports becomes inefficient and can lead to valuable opportunities being missed.
Professional audits combine data from multiple sources with years of practical experience to uncover what’s really affecting your website’s performance. Experienced SEO professionals will clearly explain what issues matter and which improvements are likely to deliver the greatest return on investment.
A valued SEO audit agency should be able to include scalable solutions to identify key issues and provide actionable recommendations for improvement. A comprehensive SEO audit will typically include:
- Overview of your current organic position
- Analysis of Google Search Console and Google Analytics 4
- Assessment of current backlink profile
- Full review of your sitemap
- Speed and performance checks
- UI and UX design review
- Report on opportunities for new keywords
- Ongoing strategy advice
- Assessment of meta titles and page headings
- Evaluation of internal links and on-page content
When should you hire an SEO audit agency?
If your business relies on organic search to generate enquiries or revenue, professional expertise can save valuable time and help you avoid costly mistakes. SMEs with growing websites will gain a deep dive into what’s holding you back, on top of a collective wealth of knowledge to refine and develop strategies to deliver the ideal results.
It may be time to work with an SEO audit agency if:
- Your rankings or traffic have declined
- You’re not generating enough enquiries from your website
- Your competitors consistently outrank you
- You’re planning a website redesign or migration
- You run an ecommerce website with hundreds of products
- Previous SEO hasn’t delivered the results you expected
- You’re unsure which improvements should take priority
An agency will be continuously keeping up to date with updates and SEO best practices, including how AI SEO is shaping the way people are searching and discovering products and services. Plus, you’ll be able to save time, focusing on other core business operations while you entrust a successful SEO strategy to experts.
Why choose Sherbet Donkey for your SEO audit?
An SEO audit should do more than identify problems. It should give you the confidence to know what to tackle first and why. That’s exactly what we deliver.
Our experienced SEO team combines industry-leading tools with years of hands-on experience to uncover opportunities that will make the biggest difference to your website’s performance. We don’t hide behind complicated reports or meaningless metrics. We explain our findings in plain English, prioritise the recommendations that matter the most and help you understand how each change supports your wider business goals.
Whether you’ve never carried out an SEO audit before or you’re looking for a second opinion on your current strategy, we’ll provide honest advice and a practical roadmap to help your website perform at its best.
Contact our team for a completely FREE SEO audit which will gather an overview of your current organic position and keyword performance, followed by a proposal for further keyword opportunities. Want a more comprehensive audit that leaves no stone unturned? Explore our SEO audit packages in more detail.
