The March core update looks like more proof of something we have been seeing for a while. Google is getting better at spotting shallow SEO tactics and better at rewarding content that comes from real work, real experience, and real expertise.
That means a lot of old habits are becoming dead weight. Thin pages, repeat content, broad blogging, and keyword chasing are not helping the way they once did. On the other hand, case studies, project photos, first-hand knowledge, and tighter site focus are gaining ground.
If we work in local SEO, this is good news. It means we can stop doing so much busywork and start building sites that make more sense for search engines and for real people.
Table of Contents
Affiliate sites and thin content took the biggest hit
One of the clearest patterns from the March 2026 core update was the damage done to affiliate sites. A large share of them lost rankings, and the common problem was easy to spot. They were publishing pages that mostly repeated information already found elsewhere.
That includes things like:
- templated review pages
- comparison articles with little new insight
- roundup posts that just recycle product details
- content that rewords what manufacturers or retailers already published
Google seems to be asking a harder question now. It is not enough for a page to cover a topic. The page has to add something that the current top results do not already say.
That shift matters far beyond affiliate SEO. It applies to local sites, agency deliverables, and content planning in general.
Why original content is winning
Sites with original research, first-hand examples, and unique data appear to have gained from the update. That makes sense. In a web full of AI-generated filler, authentic content stands out.
We should pay close attention to that word: authentic.
Authentic content is hard to fake at scale. It comes from real projects, real results, and real people doing the work. That is exactly why it is stronger. Search engines and AI systems both seem to trust it more.
For local businesses, one of the best examples is project-based content.
Case studies are a huge opportunity for local SEO
Think about a contractor, roofer, fence company, landscaper, painter, or remodeler. Every completed job can become a piece of content that nobody else has.
A simple project post could include:
- photos of the finished job
- before and after photos when possible
- the type of service completed
- how long the project took
- basic notes about the work performed
- the area where the job was completed
That kind of content is unique by nature. It is built from first-hand experience. It is not generic. It is not copied. It is not just another version of what ten other websites already said.
We can even build workflows around this. A client can send a few photos, maybe a short video, and a quick voice note after each job. Then that material can be turned into a clean project summary or mini case study. For many service businesses, this is far better than pumping out random blog posts every month.
When we want more local SEO ideas and systems, the Local SEO Toolkit is a good place to start.
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Go deeper, not wider
This update also reinforces a simple rule. Depth beats repetition.
A lot of sites still make the same mistake. They create many pages that all say nearly the same thing. Sometimes it is a service page for every city. Other times it is a location page that repeats the same service descriptions already written elsewhere on the site.
Even when the wording changes, the problem stays the same. Nothing new is being added.
That is not depth. It is just spread-out repetition.
What this looks like on local business sites
Let us say a company offers five services and wants to target fifteen towns. Many sites still try to create dozens of overlapping pages. Some have a separate service-plus-city page for every combination. Others have fewer pages, but they still repeat long service sections on every location page.
That approach creates bloated websites filled with repeated ideas.
A better structure is usually much simpler:
- one strong page per service
- one lean page per location
- clear internal links between them
The service page should do the heavy lifting. That is where we explain the service in detail, answer common questions, talk about pricing or process, and build real topical depth.
The location page should help people take action. It should confirm the area served, make contact easy, show trust signals, and point people to the right service pages.
It does not need 3,000 words. It does not need to repeat every service description over and over. It should be lean, useful, and conversion-focused.
Why broad content can hurt your site
Another big takeaway is that topical focus matters more and more.
A site that covers a small number of topics deeply is likely to be judged differently than a site that touches many unrelated topics in a shallow way. This lines up with what many of us have seen in local SEO for a long time.
The narrower the focus, the better the site often performs.
That applies in two ways:
- Topic focus: stay close to the core products and services
- Geographic focus: stay close to the main service area
When a business tries to target too many counties, too many cities, or too many topic angles on one site, performance often drops. It is usually smarter to focus hard on the core area first.
That same logic applies to content strategy. If a company keeps publishing posts on side topics just to chase extra traffic, it can weaken the site instead of helping it.
Why traditional blogging may be hurting local SEO
This is where many agencies still get it wrong.
They produce blog posts because blogs are easy to sell as a monthly deliverable. One post per keyword variation. One post per question. One post per small topic branch. It sounds productive, but it often creates the exact problems that this update seems to punish.
Those problems include:
- thin pages with little new insight
- content that competes with existing service pages
- diluted topical focus
- weaker internal link equity across too many URLs
If a search query already fits a main service page or location page, creating another blog post for that same topic can split relevance instead of building it. We end up with more pages to manage, more links to build, and less clarity about which page should rank.
That is not efficient SEO. It is extra work that can drag down results.
Instead of asking, “What else can we publish?” a better question is, “How can we make our best pages stronger and our content more original?”
Authorship, expertise, and third-party signals still matter
The update also points toward something else that keeps showing up in search. Content performs better when it carries real signs of expertise and trust.
That can include:
- clear authorship
- named subject matter experts
- documented first-hand experience
- brand mentions and citations on third-party sites
These signals help search engines understand that the content is connected to real people and real authority. That matters even more now that low-quality AI content is everywhere.
We can see the same pattern in project case studies. When a site shows real jobs, real images, and real outcomes, it sends stronger trust signals than generic copy ever could.
For local businesses that want a practical checklist for Google Business Profile and local search work, the GMB process checklist is worth keeping handy.
What we should do now
The March core update does not feel random. It feels like Google moving closer to common sense.
If we want stronger rankings, we should build around that common sense.
- Publish content based on real work and real outcomes
- Create service pages with depth instead of repeating service text everywhere
- Keep location pages short, clear, and conversion-focused
- Stay tightly focused on the site’s main topics and service area
- Avoid broad blog strategies that dilute relevance
- Use authorship, citations, and expert signals where possible
The old model of covering every keyword with a separate page and backing it all with links does not appear to scale well anymore. Search engines want originality, proof, and focus. That is a cleaner strategy anyway.
For agencies and business owners who want more help with local SEO systems, training, and implementation, the Mastermind community is built for that kind of deeper work.
FAQ
What is the main lesson from the March core update?
The biggest lesson is that Google seems to reward original, authentic, first-hand content and reduce visibility for pages that just repeat what already exists online.
Are case studies good for local SEO?
Yes. Case studies are one of the best content types for local SEO because they are based on real jobs, real results, and real proof. They are hard for competitors to copy and help build trust.
Should location pages have long blocks of content?
Usually no. A location page should be focused on the area served, contact options, trust elements, and links to the right service pages. It does not need long repeated service descriptions.
Is broad blogging still a good SEO strategy?
Not in many cases. Broad blogging can dilute the focus of a site, create competing pages, and fill the site with thin content. It is often better to improve core pages and publish more original project-based content.
Why does authorship matter more now?
Authorship helps connect content to real experts and real experience. In a search environment filled with generic AI content, that added trust signal can help content perform better.
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