The 3 Biggest SEO Mistakes That Harm Your Website (And How to Fix Them)
- naomi
- 7 okt 2024
- 4 minuten om te lezen
Search Engine Optimization (SEO) is more than just a buzzword—it's a key strategy for increasing visibility, driving traffic, and ultimately converting leads into sales. However, navigating SEO can be tricky, especially if you’re new to the field. Even seasoned website owners can fall into common traps that impact their rankings and user experience. Below, we dive into the three most critical SEO mistakes and, most importantly, how you can avoid them.

1. Neglecting SEO Mobile Optimization
Why It’s a Problem
With over 50% of all web traffic now coming from mobile devices, having a mobile-optimized website isn’t optional—it’s essential. In fact, Google’s mobile-first indexing means the search engine prioritizes the mobile version of your site over the desktop version when it ranks your website. This is important because websites that aren’t mobile-friendly see high bounce rates, low conversion rates, and ultimately, lower search engine rankings(Semrush)(Ahrefs).
Common Mobile Optimization Mistakes
Lack of Responsive Design: Responsive design ensures your website adjusts seamlessly to various screen sizes. Without it, users on mobile devices often experience distorted images, unreadable text, and awkward navigation.
Slow Load Times on Mobile: Mobile users expect quick load times, yet many websites fail to optimize for speed on mobile devices. A delay of just a few seconds can lead to abandoned pages and decreased engagement.
Pop-Ups and Overlays: Pop-ups can be incredibly disruptive on mobile devices, often covering the entire screen. This not only annoys users but also hurts your SEO because Google penalizes sites with intrusive interstitials on mobile.
How to Fix Mobile Optimization Issues
Implement Responsive Design: This is one of the best ways to create a consistent experience across all devices. Most modern website builders and themes are responsive by default, but you can check your site’s responsiveness with Google’s Mobile-Friendly Test tool.
Optimize for Speed: Minimize your code, use image compression tools, and leverage browser caching. Additionally, utilize a Content Delivery Network (CDN) to distribute your content and improve load times.
Limit Pop-Ups: If you must use pop-ups, make sure they’re easy to close and don’t cover the entire screen. A simple banner or exit-intent pop-up can be just as effective without being intrusive (Semrush)
2. Slow Loading Times
Why It’s a Problem
Page speed is a ranking factor that Google takes seriously. Websites that load slowly not only rank lower but also frustrate users, who are likely to abandon a page if it takes longer than three seconds to load. Studies show that a one-second delay in page load time can lead to a 7% decrease in conversions. Given that 70% of consumers admit that page speed affects their willingness to buy from an online retailer, slow-loading pages can mean lost sales and reduced search visibility (reliablesoft.net)
Common Causes of Slow Load Times
Large, Uncompressed Images: High-resolution images are great for quality but can drastically slow down your site if they aren’t compressed. Images should ideally be in WebP or JPEG formats, which provide high quality with smaller file sizes.
Unoptimized Code: Excess CSS, JavaScript, and HTML can weigh down your site. Each unnecessary line of code can add milliseconds to your loading time.
Lack of Caching and a CDN: When you don’t use caching or a CDN, your website has to reload resources every time someone visits. This means that repeat visitors won’t benefit from faster load times, and users across the globe may experience delays due to physical server distances.
How to Fix Slow Loading Times
Compress Images: Use tools like TinyPNG or ShortPixel to reduce the size of your images. Also, consider lazy loading, which only loads images when they appear on the user’s screen, rather than all at once.
Minimize Code: Use tools like Minify to compress HTML, CSS, and JavaScript. You can also eliminate render-blocking resources, which are files that delay the page’s main content from loading.
Implement Caching and a CDN: Caching allows browsers to store a copy of your website, so it doesn’t need to be reloaded every time. A CDN, like Cloudflare, helps serve your content faster by storing copies of it in servers located closer to your users (Ahrefs)

3. Focusing Only on Keywords and Ignoring Search Intent
Why It’s a Problem
SEO used to be all about keywords. However, Google’s algorithms have become far more sophisticated, focusing on search intent—what the user truly wants from their search. When content doesn’t match the user’s intent, it leads to a poor experience, and Google takes notice. In fact, according to Ahrefs, 66% of pages don’t receive any organic traffic, partly because they fail to align their content with search intent (Ahrefs)
Common Keyword-Related Mistakes
Keyword Stuffing: This outdated practice involves cramming keywords into content, which results in awkward phrasing and a poor user experience. Today, Google penalizes this tactic and favors content that flows naturally.
Ignoring Long-Tail Keywords: Short-tail keywords are highly competitive, making them hard to rank for. Long-tail keywords, however, often reveal more specific user intent and are easier to rank.
Creating Content with No Clear Goal: If your content doesn’t align with what users are looking for, it won’t satisfy search intent. Google measures user engagement as an indicator of whether the content meets search intent, so high bounce rates can negatively impact your SEO.
How to Address Search Intent
Perform Thorough Keyword Research: Use tools like SEMrush or Google Keyword Planner to find long-tail keywords and phrases that match what your audience is searching for. Aim to understand what they’re looking to achieve, whether that’s finding information, making a purchase, or solving a problem.
Create Content That Directly Addresses User Needs: Focus on the different types of search intent—informational, navigational, transactional, and commercial. For instance, if someone searches “how to improve website speed,” they’re looking for an informational guide. Craft your content accordingly to ensure it aligns with their intent.
Optimize for Related Topics: Google uses semantic search, which means it looks at related topics to understand content context. Instead of repeating the same keyword, use related terms and phrases to show depth and breadth on the topic (Semrush)

Wrapping Up: Why Fixing These Mistakes Matters
Avoiding these mistakes is not just about technical fixes; it’s about creating a positive experience for your audience. SEO is about reaching the right people, at the right time, with the right content. By addressing these common issues, you’ll be well on your way to building a stronger online presence that serves both your audience and your business goals.