Team Member
Co-founder & CTO
Charles Duncan is co-founder and CTO of SEOmator, where he leads the engineering behind the platform's site crawler, audit engine, and rank-tracking infrastructure. He writes about the technical foundations of SEO — how search engines and AI answer engines crawl, render, and index the modern web — and what that means for the people building sites on it.
Articles by Charles Duncan
Master ChatGPT for SEO with 50+ proven prompts for keyword research, content optimization, and competitor analysis. Based on real results from 150+ blog posts achieving 47% average traffic growth.
Charles Duncan
As the digital landscape evolves, the tactics and strategies used in SEO are continually adapting to keep pace. Among these, link building remains a central pillar.
Charles Duncan
The best Ranktracker alternatives for 2026 are SEOmator ($49/mo), Keyword.com ($46/mo), AccuRanker ($116/mo), SEO PowerSuite ($29/mo), and SE Ranking ($52/mo). Each offers unique strengths in accuracy, pricing, and features.
Charles Duncan
SEO for pest control companies focuses on local search optimization: claim Google Business Profile, target "near me" keywords, optimize title tags, build local backlinks, research pest-specific keywords, publish quality content, and implement internal linking. These 7 steps can increase organic traffic by 280%.
Charles Duncan
Surfer SEO is great for content optimization but lacks audits, backlinks, and keyword depth. Here are 9 tested alternatives from $12/month to full SEO suites.
Charles Duncan
Technical SEO drives 53% of SaaS website traffic and delivers an average ROI of 702%. This 8-step audit checklist covers crawlability, Core Web Vitals, canonical tags, structured data, and security protocols every SaaS company needs to fix for better organic rankings.
Charles Duncan
An SEO audit for charities covers 16 areas from site indexing to local SEO. With organic search driving 44% of nonprofit website traffic and only 0.16% of visitors donating, a thorough audit helps maximize every visitor's potential to support your cause.
Charles Duncan
An SEO audit for law firms covers keyword research, on-page optimization, technical health, local SEO, backlinks, and competitor analysis. With 87% of clients using Google to find lawyers, regular audits are essential for maintaining visibility and generating qualified leads.
Charles Duncan
Learn what pagination is in SEO and how to implement it correctly. Covers canonical tags, URL structure, crawl budget impact, and pagination vs infinite scroll.
Charles Duncan
SEO is all about visibility and presence. When your site ranks well on search engines, you are more likely to draw significant traffic your way.
Charles Duncan
Getting Wikipedia backlinks means earning external citations from Wikipedia articles that point to your website, boosting credibility and indirect SEO value. Wikipedia's English edition contains over 7.1 million articles and received 130 billion pageviews in 2024. According to a survey of 755 link builders, 89% of SEO professionals believe nofollow links impact search rankings.
Charles Duncan
You’re probably using backlinks to boost your website's SEO and create brand credibility. But have you heard about unlinked mentions?
Charles Duncan
Google is like a massive library that’s forever expanding. Websites, or books in this library, are lined upon digital shelves in an order that Google’s algorithm calculates, based on numerous factors. One of these factors is the use of subdomains.
Charles Duncan
In the virtual universe of Google, every URL carries a significant value. Whether it is a page that reflects the features of your product or a blog post narrating your thoughts, each URL is a gateway for the outside world, including customers, peers, or potential collaborators, to know about you, your business, or your ideas.
Charles Duncan
YouTube holds a colossal potential for driving traffic and improving the visibility of your website. Every minute, people around the globe upload hundreds of hours of video content to the platform, making it the second most visited site worldwide.
Charles Duncan
You've done everything right: designed a clean, user-friendly site, invested hours into keyword research and crafted some high-quality content, but still, you see no headway in Google's rankings. It's like your site is stuck in a box, unable to break free.
Charles Duncan
We frequently deal with various types of web content. Haven't we all wondered about the process that goes behind ensuring this content is properly and correctly displayed in web browsers?
Charles Duncan
Let's face it; the competition in the digital marketing realm, particularly SEO, is tough. Pages are jostling for the high-ranking placements. Words like 'optimization', 'keywords', and 'SERPs' likely echo through your sleep.
Charles Duncan
KPIs (key performance indicators) provide a unique insight into your marketing performance, enabling you to make data-informed decisions and drive impactful results.
Charles Duncan
Recognizing canonical issues is your first step towards resolving them efficiently. As with any other SEO strategy, you must equip yourself with the right knowledge, take proactive steps to avoid common pitfalls, and keep a close eye on your implementation.
Charles Duncan
Your website, be it subdomain or subfolder, is your own realm. So, whether to opt for subdomains or subdirectories must be a decision stemming from your understanding, the character of your content, and your overarching business objectives.
Charles Duncan
Understanding and analysing content isn't a novelty - it's been done for decades. But things took a dramatic turn with the introduction of artificial intelligence (AI).
Charles Duncan
A topical map is essentially your website's game plan. So, its importance in shaping your website's content strategy and SEO effectiveness can't be overstated.
Charles Duncan
Link farms have been a contentious issue since they first emerged on the SEO scene, and understanding their nature, potential dangers, and negative impact is vital for any SEO expert.
Charles Duncan
Learning from your competitors can provide a roadmap to improving your own SEO strategies. It's essential to strike a balance between studying your rivals and focusing on your audience.
Charles Duncan
SEO intelligence is an invaluable asset for businesses. It makes your SEO strategy smarter, helping you to remain competitive in the ever-dynamic digital marketing landscape.
Charles Duncan
A well-audited website is a healthy e-commerce platform that guarantees improved performance and a robust bottom line.
Charles Duncan
There is a growing need for quality content that attracts valuable backlinks. In other words, content so valuable and insightful, other websites can't help but link back to it. That's where linkable assets come in.
Charles Duncan
Websites with a high number of quality backlinks are seen as relevant within their specific market field, prompting search engines to boost their visibility.
Charles Duncan
Everyone, from curious minds to research scholars, uses Google to find answers to their numerous questions. But, in order to tailor Google search results to serve your specific needs better, you have to master the Google search algorithm and its operators.
Charles Duncan
Entangled in the digital web, sometimes we encounter harmful traps that could affect our SEO progress. Just like the spider, we wish to keep our web clean.
Charles Duncan
Online traffic is like the flowing river that keeps our digital mills running, powering our businesses and supporting growth. As SEO experts, we rely on different traffic sources to drive potential customers to the website or platform we're promoting.Two of these sources are the most significant players: Direct vs. organic traffic.
Charles Duncan
Programmatic SEO automates page creation at scale using databases and templates—generating thousands of keyword-targeted pages that would take years to build manually. Learn how companies like Amazon and Zillow use it, plus a 7-step implementation guide.
Charles Duncan
Encountering certain HTTP status codes on your website isn't necessarily a drawback; often, it's just a sign of room for improvement. So, understanding HTTP status codes and how they influence your website’s operations, visibility, and success is crucial.
Charles Duncan
Have you ever come across the pesky ‘Crawled-Currently Not Indexed’ error in your Google Search Console?
Charles Duncan
One of the critical debates in SEO conversation is the one of what are nofollow vs. dofollow links and how do they differ.
Charles Duncan
Website migration is a process that involves significant changes to your website's setup, appearance, or functionality that could affect its visibility in search engines.
Charles Duncan
In today's competitive digital marketplace, every entrepreneur, marketer, and SEO expert understands the importance of search engine optimization.
Charles Duncan
In order to understand why your website may not be appearing on Google search results, it's crucial to comprehend just how Google Search actually functions.
Charles Duncan
Keywords form the backbone of any strong SEO strategy — they're the bread and butter of search engine ranking. But single, broad, high-volume keywords aren't always the answer; there's another player in the game that often goes unnoticed by marketers - Niche Keywords.
Charles Duncan
And here, we're about to tell you more about how to monitor competitor prices without getting lost in the sea of numbers.
Charles Duncan
Every marketer is familiar with that sinking feeling when they know they are doing everything right, marketing their product/service on all the right channels, and even going the extra mile by offering the leads some freebies but the growth isn’t as expected.
Charles Duncan
The growing number of businesses striving for the limited space at the top of the search engine rankings has created the need to maximize your efforts on SEO. Most online marketers make SEO as their top priority and ignoring this will be like ignoring sales.
Charles Duncan
Writing content for SEO can be difficult and time-consuming.
Charles Duncan
Anyone who is in the SEO world has definitely heard of the concept of evergreen content. If you also heard but have no or little idea about it, youre in the right place!
Charles Duncan
Very often, the owners of commercial projects neglect such source of traffic as search by images.
Charles Duncan
