Tired of creating content that doesn’t rank or convert? The problem may result from a simple – and easily avoidable – SEO oversight.
Considering that securing a top spot on Google is critical – the top three organic results alone capture over 54% of all clicks – high rankings are crucial for your content’s success.
Meanwhile, 58.5% of searches now result in no clicks due to rich results and AI answers, making it even more important to avoid mistakes that diminish your visibility.
Even if you implement a solid content strategy, common SEO mistakes (like slow site speed, thin content or unoptimized meta tags) may ultimately prevent your content from reaching new heights on the SERP.
Here at Siege Media, it’s no surprise when a client begins ranking #1 within six months. Regarding search engine optimization issues, we’ve seen it all and offer industry-tested solutions that generate lasting results. We’ve worked with hundreds of clients, and here are the most common SEO mistakes we see when they first arrive:
- Duplicate Content
- Keyword Stuffing
- Lack of Mobile Optimization
- Slow Site Speed
- Lengthy Title Tags
- Missed Linking Opportunities
- Generic Anchor Text
- Lack of Local SEO
- Forgetting To Add Alt Text
- Unoptimized URL Slug
- Outdated Content
1. Duplicate Content
Publishing similar or identical content that aims to satisfy the same user intent can confuse search engines like Google and ultimately dilute the visibility of your page.
Having multiple pages targeting the same keyword (a form of keyword cannibalization) or republishing content from elsewhere is especially hazardous. An algorithm may prefer the page that was published first, updated recently, or best satisfies E-E-A-T protocols.
How to fix it:
Use canonical tags to specify the original version of the content, consolidate similar content into one page, and ensure each page offers unique value to your audience.
SEO tip: If you have an e-commerce site with product descriptions pulled from the manufacturers, rewrite them to be original and consider adding value to them with useful information, like customer reviews or testimonials.
2. Keyword Stuffing
Unnatural keyword placements don’t go unnoticed by search engines either. Google’s modern NLP algorithms and “Helpful Content” updates can detect over-optimization, and the algorithm may view awkward, repetitive keyword usage as an attempt to manipulate rankings – potentially penalizing you.
Readers will also catch on to inorganic, robot-like writing, resulting in less time on your site and more bounces.
How to fix it:
Conduct thorough keyword research to discover long-tail keywords adjacent to the principal term your page is attempting to rank for. Select a handful of the most relevant long-tails (keeping attributes like search volume, difficulty, and search intent in mind) and integrate them naturally into the copy, no more than two or three times each
SEO tip: When writing a blog post, place your target keyword in the title, intro, and conclusion, and only put it where it sounds most natural in the rest of the copy.
3. Lack of Mobile Optimization
One of the biggest SEO mistakes is forgetting that most users now consume your content on mobile devices. Over 60% of website traffic comes from mobile browsers.
To maintain a top-notch user experience, it’s more important than ever that your content is easily accessible in any format. Although it may take more elbow grease to create a seamless transition from desktop to mobile, your rankings will thank you for it.
How to fix it:
Follow blog design best practices by integrating responsive web design into your blog’s layout. This approach can reduce the time it takes to manually adjust your site to the specifications of mobile devices like tablets and smartphones.
Additionally, use Google’s mobile-friendly test and monitor your site’s Core Web Vitals (e.g. mobile page speed and layout stability) to identify and fix any mobile UX issues. Improving load times, readability (font sizes, button spacing), and navigation for mobile users will pay off in both SEO and user engagement metrics.
SEO tip: Create mobile-friendly versions of interactive content and design assets so they read well on smaller screens and are equally enjoyable in portrait mode.
4. Slow Site Speed
Consider the frustration you feel while waiting for a page to load. Now, imagine a potential customer feeling the same way about your slow site speed. When your website takes too long to load, users are more likely to abandon the page – in fact, 53% of visitors will leave if a page takes longer than 3 seconds to load – resulting in higher bounce rates and decreased conversions.
How to fix it:
Consider what could be contributing to the slow loading time of your website. Potential solutions include mitigating CSS and JavaScript files, enabling browser caching, and switching website hosts. If you’re struggling to identify the root cause of SEO errors like this, set up a technical SEO consultation to pinpoint the issue.
SEO tip: If your blog page includes too many visual elements, compress large image files to reduce their size and improve page loading times.
5. Lengthy Title Tags
Learning how to write a concise title tag is both an art and a science. Title tags that are too long can get cut off in search results, diminishing their effectiveness in conveying your content’s relevance to the user. It’s also a good idea to include your business’s or website’s name in the title tag to boost brand awareness.
However, overly long or poorly written titles can hurt your click-through rate and confuse search engines about your page’s focus.
Missing or duplicate meta tags (like title tags and descriptions) are related mistakes – they squander an opportunity to tell Google and readers what your page is about, or they present the same message on multiple pages.
How to fix it:
Keep title tags brief (around 50-60 characters) while accurately describing the content and incorporating relevant keywords. Decide if your tags will be in title case or sentence case and remain consistent with the formatting.
Also ensure each page has a unique, compelling meta description ~150 characters long.
While not a direct ranking factor, a well-crafted meta description can improve your SERP click-through rates by enticing users with a preview of your content. Think of it as an elevator pitch for your page – highlight the benefit or answer you’re providing. If you don’t write a meta description, Google may auto-generate one (or even override yours), so it’s best to craft one that aligns with the search intent.
SEO tip: Instead of “Best Running Shoes for Marathon Training – Top Picks for Serious Runners,” include your brand name and shorten it to “Top Picks: Best Marathon Running Shoes.”
6. Missed Linking Opportunities
Another one of the most common SEO problems is not including a comprehensive, organic link building strategy. Internally linking signals to Google that you post important pages on the site and can help it rank more quickly.
Neglecting to link internally and externally can limit search engine crawlers’ ability to discover and index your content, reducing your website’s overall authority.
How to fix it:
Include relevant internal links to other pages on your website (especially high-value pages or related blog posts) and add external links to reputable sources when appropriate to back up your facts. Make sure every new page you publish is linked from at least a couple of other pages on your site (for example, from a related article or a category page) so it isn’t orphaned.
Periodically audit older posts and add internal links to newer content where it makes sense – this not only helps with SEO but also surfaces your fresh content to readers of your older articles.
If scaling your backlink profile is a challenge, hiring skilled link builders is a foolproof way to earn quality inbound links. And don’t forget the power of creating shareable content (like data visualizations or original research) that attracts organic backlinks naturally during the content creation phase.
SEO tip: In a blog post about fintech app trends, internally link to articles discussing finance, technology, and recent innovations in app development.
7. Generic Anchor Text
Don’t let SEO issues like boring anchor text keep you from ranking. Using generic anchor text like “click here” or “read more” instead of descriptive, keyword-rich anchor text that generates organic links can diminish the SEO value of your links.
Bland anchor text provides little context to search engines about the destination page, wasting an opportunity to indicate what that page is about. It also isn’t helpful for users (including those using screen readers) to know what they’ll get if they click the link.
How to fix it:
Consider the intent behind the page you’re linking to and allow that to determine the anchor text. Use descriptive text that provides a deeper understanding of the article’s theme and, if possible, includes relevant keywords.
SEO tip: Instead of plain anchor text like “website tips,” try something more descriptive like “actionable SEO tips.” The latter not only tells readers what to expect, but also provides search engines with meaningful keywords related to the linked content.
8. Lack of Local SEO
If you’re executing SEO campaigns for startups or small businesses, it’s imperative that you take advantage of the benefits of localized SEO services to improve brand recognition and visibility within the community you serve. Skipping this step means that your target audience may not know who you are, how you can solve their problem, or where they can access your services.
How to fix it:
Include location-specific keywords in page titles, meta descriptions, and content to target local search queries. Encourage customer reviews and add your brand’s name to appropriate directories like Google Maps.
SEO tip: Instead of citing your business as “a good bed and breakfast” on your website, try “Atlanta’s Best B&B” and mention your proximity to the local botanical garden and airport.
9. Forgetting To Add Alt Text
One of the most common SEO mistakes to avoid is forgetting to add alt text to images on your page. Not only can search engines crawl alt text, but it also serves as a means to increase the accessibility of your content for users who require text-to-speech service to navigate the web.
Google’s image search and vision algorithms use alt text to index and rank images, so leaving it blank is a missed SEO opportunity (you might never show up in Google Images for relevant searches). Moreover, without alt text, visually impaired users won’t know what an important image contains, which undermines the usability of your content.
How to fix it:
Provide descriptive alt text for images that accurately describes their content and includes long-tail keywords where appropriate (if it genuinely describes the image).
The key is to be specific and helpful – imagine you’re explaining the image to someone who can’t see it. For example, an alt tag like “Woman in blue shirt fixing a leaky kitchen faucet” is much better than “woman faucet” or leaving it empty.
A great way to ensure that alt text is always top of mind is to partner with an agency that prioritizes the experience of all users in your content strategy.
SEO tip: For an image of a red bicycle, use alt text such as “A person rides a red bicycle on a sunny day riding along a country road.”
10. Unoptimized URL Slug
The last of the most common technical SEO issues is hiding in plain sight. A URL slug is the last part of a URL and serves as the address for a specific page. Using lengthy, unclear, or non-descriptive slugs can confuse users and search engines — making it harder to understand the content’s relevance when determining ranks.
How to fix it:
Create concise yet descriptive slugs. Ideally, your URL slug will be the same as your target keyword so the search engine can quickly tell what the page is trying to rank for.
SEO tip: Instead of a URL like “website.com/p=123,” try “website.com/blog/seo/seo-best-practices” for a page about SEO tips.
11. Outdated Content
Allowing your content to become outdated is a silent SEO killer. That “Ultimate Guide” from 2019 or the blog post full of stats from three years ago could be dragging down your site’s performance today.
Outdated or stale content can hurt your credibility with readers (nobody wants advice or data that’s no longer valid) and signal to search engines that your site isn’t being maintained.
Content that once ranked high can gradually lose traffic over time – a phenomenon known as content decay.
In fact, the average top-ranking page on Google was last updated within the past two years.
If you’re not regularly updating your pages, you’re essentially handing over your hard-earned rankings to competitors who publish fresher, more relevant content.
How to fix it:
Make content refreshes a regular part of your SEO strategy.
Conduct a content audit every 6–12 months to identify pages that have declining traffic or information that’s no longer current. Then update, expand, or improve those posts based on the freshness distance present on search results.
This could mean adding new insights, replacing old statistics with current data, updating screenshots, improving the readability and structure, or incorporating new target keywords that have emerged.
If you have multiple old posts on similar topics, consider merging them into one up-to-date, comprehensive article (and redirect the old URLs to it).
Likewise, remove or noindex content that is very outdated and low-value (for example, a news update about an event long past) so it doesn’t weigh down your site. Remember, Google and ChatGPT’s algorithms favor fresh, accurate information – keeping content updated can boost rankings without needing to create a net-new page.
To ensure you’re always informed about the latest algorithm shifts as they happen, tune into a few of the best SEO podcasts.
SEO tip: Schedule a quarterly reminder to revisit your top-performing content from the past. Often, a quick refresh with authentic updates – adding a recent statistic, tweaking the title, or improving the intro – can dramatically boost your organic traffic by re-signaling freshness to Google. Also, don’t hesitate to re-promote updated articles on social media or newsletters as “Updated for 2025” – you’d be surprised how much engagement a refreshed piece can get.
Upgrade Your SEO Strategy
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If you’re ready to upgrade your content strategy and avoid common SEO mistakes, take a peek at our ROI-driven success stories for insight on how we can help.
