Last updated: October 30, 2025 Reading time: 14 minutes
This is a frustratingly common story. You invest thousands of dollars into a beautiful website that feels just right for your brand. Everything is perfect from the colors down to the font… But a few months later after the launch, you’re still invisible online. You tried looking for your website in Google’s search results page, only to see it buried deep in there, where potential clients can’t find you.
That feeling of being invisible online, despite having a great website, often points to a gap in the web development process. It leaves you asking the one question that could have prevented this: How to tell if your web developer understands SEO?
You were likely promised an “SEO-friendly” website during the sales pitch. But that term means almost nothing without substance behind it. The gap between a developer who can build a pretty site and one who can build a site that ranks on search engines is where business owners lose momentum, waste budgets, and miss sales opportunities.
You need to have the SEO conversation before you sign that web development contract. And this article gives you some of the questions you might want to ask, some red flags in web design for SEO to spot immediately, and the green flags to look for a developer.
Hopefully by the end of this, you’ll know how to check if SEO is done right for your website and never feel blindsided again.
When “SEO-friendly” goes horribly wrong
So, let’s talk about what happens when a developer doesn’t truly get SEO because I’ve seen the fallout firsthand. These mistakes are frustrating and expensive, which can damage your business’ credibility. More importantly, these technical hiccups can leave you invisible for months.
As you start looking for a web developer to partner with, it helps to recognize a few common profiles that often raise red flags. These are the clear signs your web developer doesn’t know SEO, and being aware of them can save you a lot of trouble.
Here are some developer types you’ll want to be cautious of.
The “cool” but clueless developer
This is the developer who’s all about the flash. They’ve likely taken an online course, found a trendy template, and loaded it with impressive animations that look great in a portfolio. The site they built might even win design awards, but it often fails the most basic tests for visibility.
For example, all those flashy elements can make the site incredibly slow, especially on a phone.
This is a major problem because mobile-friendliness is crucial, and Google’s research shows that 53% of mobile users will abandon a site if it takes longer than three seconds to load. When visitors land on your site and leave immediately, it creates a high bounce rate, which signals to search engines that your site isn’t providing a good experience.
On top of that, complex code and animations can make it difficult for search engine “crawlers” to read and understand what your content is about. This is a crawlability issue, and if Google can’t understand your site, it can’t rank it. So while the website might look stunning, it’s not strategic, usable, or built to be found.
The “that’s not my job” developer
Then you have the developer who treats SEO as someone else’s problem entirely.
They see their job as strictly coding and believe visibility is purely a marketing task. When you ask about things like organizing content with proper headings or making images accessible with alt text, they might say, “You’ll have to talk to your marketing person about that.”
This approach is a huge red flag. A developer’s technical choices directly impact how search engines find and rank your site. When they ignore this, they build a website with foundational issues that prevent it from being seen. This creates a lack of trust and broken collaboration from the start.
Ultimately, you’re the one left to clean up the mess. You end up hiring an SEO specialist after the launch to diagnose and fix problems that should have been prevented. So, in the end? More hassle and more costs.
The “SEO is just a plugin” developer
This is probably the most common scenario out there. The developer installs a popular SEO plugin like Yoast or RankMath, gets a few “green lights” on a page, and calls the site “optimized.”
While these plugins are helpful tools, they are just one small piece of the puzzle. They’re great for guiding on-page basics like meta descriptions, but they can’t see or fix the deeper, structural issues of a website.
Foundational SEO refers to the website’s architecture and how it’s built. It covers critical elements like page speed, mobile responsiveness, and a clean structure that allows Google to easily find and understand your content.
You can’t fix a slow-loading site or a broken mobile experience with a plugin, and these are the exact issues that drive potential clients away. Many users won’t return to a website after a single bad experience.
So, while those green checkmarks might feel reassuring, they often create a false sense of security, hiding the bigger problems that are actually keeping your site from ranking.
Developer mistakes mean real consequences
I’ve seen this happen with well-meaning developers who are just trying to get the job done.
For example, they might publish a dozen unfinished blog drafts just to test a new layout, not realizing that Google can find and index those pages.
When search engines see a lot of thin, unfinished content, it can signal that the site is low-quality, which can hurt your overall visibility. It’s an honest mistake, and it’s not something every developer is trained to look out for. This is where having an SEO-minded collaborator is so valuable; they can prevent these small technical missteps from turning into big visibility problems.
Want more insights like this?
I send out a monthly newsletter where I unpack everything from SEO-first strategy to real client lessons and the behind-the-scenes of building a values-led digital business. If you’re into honest takes on what makes websites actually work (not just look good) you’ll probably want in.
Five signs your developer actually gets SEO
Your developer doesn’t have to be an SEO expert, but they absolutely need to respect its importance and understand how their work affects your ability to show up in search results.
To figure out if they’re on the right track, your conversation should really focus on these five key areas.
They ask about your business before writing code
A developer who understands how to tell if your web developer understands SEO starts by asking questions. They want to know your business goals, your ideal client, and which search terms matter most to you. They see design, development, and SEO as interconnected, not separate tasks on a checklist.
When a developer asks, “who do you serve and how do they search for you?” before discussing color palettes, that’s a green flag. They’re building with your visibility in mind from day one.
They discuss technical SEO in terms you can understand
Ask your developer: “How will you ensure the site loads quickly?” A strong answer includes specific strategies like image compression, lazy loading, minified CSS and JavaScript, and optimizing Core Web Vitals. They should also be able to discuss choosing the best CMS (like WordPress or Shopify) for performance, since the platform itself can either help or hinder your site’s speed.
Google uses Core Web Vitals as ranking factors, so developers need to prioritize them. If they just say “we use good hosting,” that’s a sign your web developer doesn’t know SEO
Ask: “How will you make sure Google can find and index all my important pages?” They should mention creating an XML sitemap, using proper robots.txt files, and building a clean URL structure.
Mobile-first development is also non-negotiable. Your developer should build for mobile from the ground up, not just make the desktop version “responsive” afterward. Ask them to show you the mobile version of their previous projects and test the speed on actual phones.
They build tools that give you independence
An SEO-savvy developer builds a content management system you can actually manage. They’ll show you how to update title tags, meta descriptions, and image alt text without calling them for every small change. This affects whether SEO is included in web design as an ongoing capability or just a one-time setup.
A good web developer understands that proper heading structures (H1, H2, H3) matter for both accessibility and SEO. They’ll build templates that enforce this hierarchy automatically, so you can’t accidentally create pages that confuse both users and search engines.
They have a launch plan that protects your existing rankings
A key part of how to know if your site is SEO ready is seeing if your developer has a detailed plan for launching it safely. This is especially important if you already have a website with existing search rankings.
One of the most important questions to ask is: “What’s your process for launching the new site without harming my current SEO?”
A confident developer might immediately talk about their “301 redirect strategy.” Think of a 301 redirect as a permanent change-of-address notice for Google. It tells search engines exactly where each of your old pages has moved, ensuring that all the trust and authority you’ve built over the years is transferred to your new site.
This step is non-negotiable. Without a proper redirect plan, your rankings can plummet because Google will see all your old, established pages as “missing.” If a developer seems casual about this or says they’ll “handle it after launch,” consider it a major red flag.
Finally, a great partner will also have a post-launch checklist. They should mention that they’ll run an audit within the first week to catch any broken links, fix indexing problems, and make sure everything is running smoothly. It shows they’re committed to your site’s success long after it goes live.
They know when to bring in specialists
When you’re trying to figure out, “Does my web designer know SEO?”, the single biggest green flag you can look for is honesty. A truly great developer and web designer will be upfront about the scope of their expertise.
You might hear them say something like this:
“I’ll build a strong technical foundation and handle the initial on-page SEO setup. But for deep keyword research, content strategy, and ongoing optimization, you’ll get the best results from an SEO specialist. I’m more than happy to collaborate with them to make sure everything works together seamlessly.”
When you hear this, it’s a fantastic sign. It shows they respect the different disciplines required to make a website successful and aren’t just trying to sell you on services they can’t fully deliver.
A developer who knows their lane and is eager to work with other experts is a true partner who is invested in your long-term success, not just in finishing a project. They’ll be clear about which parts they handle and where a specialist can add the most value.
What does it cost you to have a web developer who knows SEO
A poorly built website is a continuous drain on your business, full stop. You lose revenue from low traffic, waste money on ads to compensate, and often pay significantly more to fix foundational problems later. This is why knowing what to ask your web developer about SEO is so critical as it prevents these expensive headaches from the start.
While hiring an integrated team for design, development, and SEO might seem more expensive upfront, you’re actually investing in cohesion. When SEO is part of the process from day one, nothing falls through the cracks. And you avoid the stress of managing separate freelancers who don’t communicate with each other.
Your business deserves to be found, so don’t settle for a beautiful website that lives in the dark. Prioritizing an SEO-first approach means building your visibility into the very foundation of your site from day one. Find a partner who understands this, and they’ll help you build a digital home for your business that truly shines in search results.
Frequently asked questions about whether your web developer understands SEO
The basics? Yes, absolutely. Advanced SEO? Not necessarily. But if you want your site to show up on Google, your designer or developer needs to understand the basics of SEO. Think of it as the foundation of your digital home and not just an add-on. While they don’t need to be an SEO expert, they should respect its role in the building process. If they say they “do SEO,” it’s fair to ask what that includes. Is it just installing a plugin, or do they also handle the site’s structure, speed, and how it communicates with Google?
You can usually tell by the questions they ask and the language they use. A great partner will talk about more than just aesthetics; they’ll bring up site speed, mobile-friendliness, and how they’ll make sure Google can easily read your pages. If their answers are all about looks or their entire SEO plan is just “installing a plugin,” that’s a red flag. A great follow-up question is to ask about past clients and what role SEO played in their website builds.
That’s a common myth, and a costly one! Think of it like building a house: it’s much easier and more effective to build a strong foundation from the start than to try and fix structural issues after the walls are already up. Integrating SEO from day one saves you time, money, and a lot of headaches down the road.
Some big red flags are when they say things like, “we’ll add SEO later,” or when their entire plan is just “installing a plugin.” If they can’t explain why page structure matters or treat visibility as “marketing’s problem” instead of a team effort, it’s a clear sign they don’t have the expertise you need. Another subtle sign is a lack of a clear launch plan that protects your existing rankings.
Not necessarily! You can find a talented person who does all three, or a small agency that works as a cohesive team. The most important thing is that everyone is collaborating and that SEO is a core part of the conversation from the very beginning, not just an afterthought passed off to a plugin.
Looking for a web developer who puts SEO first?
SEO shouldn’t be something you worry about after your website is built. Your visibility and your site’s design need to work hand-in-hand from the very beginning, not as an afterthought.
That’s exactly the approach we take at Marketing by Rocio, and why we’re so excited to introduce our new service offering, SEO-first web design and development!
As a queer-led agency, we’ve partnered with so many incredible founders and creatives who were never handed the blueprint for digital success.
We know how important it is to have a website that not only looks beautiful and feels like home for your community but is also built to be found. We handle all the technical details (like page speed, site structure, and all that backend magic) to ensure your site has a strong foundation, so you can focus on what you do best.
If you’re ready for a website that truly serves your business and your values, talk to us!
