Top On-Page SEO Mistakes Your Website Might Be Making

On-page SEO is one of the most important parts of improving your website’s visibility in Google. Yet it’s also one of the most commonly misunderstood areas, especially for small business owners managing their own websites.

Even well-designed websites can struggle to rank if basic on-page SEO fundamentals are missing or incorrectly implemented.

If you’re investing in website design in Perth or beyond, getting on-page SEO right from the start can significantly improve your chances of attracting traffic and generating leads.

This guide breaks down the most common on-page SEO mistakes and how to fix them.


What Is On-Page SEO?

On-page SEO refers to all the optimisation you do directly on your website to help search engines understand your content.

This includes:

  • Page titles and meta descriptions
  • Headings and content structure
  • Keywords and topical relevance
  • Internal linking
  • Image optimisation
  • URL structure

Good on-page SEO helps Google understand:

  • What your page is about
  • Who it is relevant for
  • How valuable it is compared to other pages

Without it, even great content can struggle to rank.


Mistake 1: Poor Page Titles

Page titles are one of the strongest ranking signals in SEO.

A common mistake is:

  • Using vague titles like “Home” or “Services”
  • Not including keywords
  • Making titles too long or unclear

A strong page title should:

  • Clearly describe the page
  • Include a primary keyword
  • Be written for both users and search engines

For example: Instead of “Services”, use “Website Design Perth for Small Business”.


Mistake 2: Missing or Weak Meta Descriptions

Meta descriptions don’t directly affect rankings, but they strongly influence click-through rates.

Many websites either:

  • Leave them blank
  • Duplicate them across pages
  • Fail to include relevant keywords or messaging

A strong meta description should:

  • Summarise the page clearly
  • Include relevant keywords naturally
  • Encourage users to click

Think of it as your “search result pitch”. Good website design and implementation can come down to the “one percenters”, which if you get in the habit of ticking off, will pay dividends in the long run.


Mistake 3: Poor Heading Structure

Headings help structure your content for both users and search engines.

A common issue is:

  • Using multiple H1 tags
  • Skipping heading levels
  • Writing headings that don’t reflect the content

Best practice:

  • One H1 per page
  • Clear H2 sections for main topics
  • H3s for supporting details

Good structure improves readability, SEO, and user experience.


Mistake 4: Keyword Stuffing or No Keywords at All

Some websites make the mistake of:

  • Repeating keywords unnaturally (keyword stuffing)
  • Or avoiding keywords entirely

Both approaches are ineffective.

Instead, focus on:

  • Natural keyword usage
  • Topic relevance
  • Synonyms and related phrases

For example, if you’re targeting website design Perth, you might also reference:

  • Website development Perth
  • WordPress website design
  • Small business websites in Perth

This helps Google understand context, not just exact phrases.


Mistake 5: Poor URL Structure

URLs should be simple and readable.

Common mistakes include:

  • Long, messy URLs with random characters
  • No keyword relevance
  • Unclear page purpose

Good URLs look like:

  • /website-design-perth
  • /seo-small-business
  • /wordpress-website-services

Clean URLs improve both SEO and user trust.


Mistake 6: No Internal Linking Strategy

Internal links connect pages across your website.

Many small business websites miss this completely.

Without internal linking:

  • Search engines struggle to crawl your site
  • Users don’t discover related content
  • Authority is not distributed properly

Internal linking helps guide users and improve rankings across multiple pages.


Mistake 7: Ignoring Image Optimisation

Images are often overlooked in SEO.

Common issues include:

  • Large file sizes slowing the website down
  • Missing alt text
  • Generic file names like IMG_001.jpg

Best practice:

  • Compress images for faster loading
  • Use descriptive file names
  • Add meaningful alt text

This improves both accessibility and SEO performance.


Mistake 8: Thin or Low-Quality Content

Pages with very little useful content struggle to rank.

Google prioritises content that:

  • Answers user questions
  • Provides depth and clarity
  • Demonstrates expertise

Thin pages often fail to compete in search results, especially in competitive industries like website design in Perth.


Mistake 9: Not Optimising for Search Intent

One of the biggest modern SEO mistakes is misunderstanding what users actually want.

For example:
If someone searches “website design Perth”, they likely want:

  • Services
  • Pricing information
  • Portfolio examples
  • Contact details

If your page only talks about general information, it may not satisfy user intent.

Aligning content with search intent is essential for rankings and conversions.


Mistake 10: No Ongoing SEO Updates

SEO is not a one-time task.

Many websites are built and then never updated again.

This leads to:

  • Outdated content
  • Lost rankings
  • Reduced traffic over time

Regular updates help maintain and improve visibility.

This includes:

  • Refreshing content
  • Adding new blog posts
  • Improving internal linking
  • Updating keywords

Why On-Page SEO Matters for WordPress Websites

For businesses using WordPress, on-page SEO is especially important because the platform is flexible but not automatically optimised.

WordPress allows you to:

  • Easily edit titles and meta descriptions
  • Structure content properly
  • Install SEO tools
  • Add internal links and blog content

However, the quality of implementation still depends on strategy and execution.


On-Page SEO and Website Design Work Together

Good SEO is not separate from website design.

A well-designed website should:

  • Be structured for search engines
  • Load quickly
  • Be easy to navigate
  • Support content hierarchy

For businesses investing in website design, combining SEO with design from the beginning creates a much stronger foundation for long-term growth.


Final Thoughts

On-page SEO is one of the most important foundations of a successful website.

Even small improvements can lead to:

  • Better search rankings
  • Increased website traffic
  • Higher-quality leads
  • Improved user experience

If your website is not performing as expected, on-page SEO is often one of the first areas to review.

At CJI Tech Solutions, we help businesses across Perth and Western Australia build WordPress websites that are designed with SEO, structure, and performance in mind from day one.

👉 Want to know more? Contact us for a friendly chat.