Bad SEO Practices You Need To Always Avoid - SEO How To
By Perry Stevens, Blend Local Search Marketing | May 2026
Bad SEO Practices You Need To Always Avoid
I have used website SEO for my application development business site to make it rank much better over the last year, especially in my local area of Cleveland, Ohio USA. I implemented a number of strategies including keyword research for competitive and relevant search terms, appropriate keyword density per page, keywords in the title tag, minimal use of headers and a naturally conversant style of page content with just a few keywords included. These are all appropriate onsite optimization techniques or what they call "white hat" SEO.
Key Stat: Google issues over 400,000 manual actions per month for websites violating its webmaster guidelines. A single penalty can cause a 50-90% drop in organic traffic, and recovery can take 6-12 months of clean-up work. Prevention is far cheaper than recovery. (Source: Google Webmaster Central, Search Traffic Penalty Data, 2024)
TL;DR
- White hat SEO (natural keywords, quality content, legitimate backlinks) builds sustainable rankings. Black hat SEO (cloaking, keyword stuffing, hidden text) gets you penalised or banned.
- Avoid these eight dangerous practices: flash websites, cloaking, doorway pages, duplicate content, hidden text, keyword stuffing, swap links, and session IDs.
- Search engines reward substance. Focus on unique, valuable content and legitimate one-way backlinks for long-term success.
- For safe, effective SEO, contact Blend Local Search Marketing for a Local Visibility Audit.
But what about the bad practices aka "black hat" SEO. I would like to discuss some counterproductive site optimization techniques that you should always steer clear of. They can get you "red flagged" if not banned from the search indexes. If your URL isn't visible anymore, then that defeats the purpose of even having a website to begin with.
On-Site SEO
"A flash website" can be visually stunning, but it won't get you very far with the search engines. They are crawling your site in search of text that will assist them with configuring your search rank. Takeaway – a picture is not worth a thousand words to a search engine, so don't bother with this one.
"Cloaking" means designing your website so the search engines see one version and visitors see another. A word to the wise – don't!
"Doorway pages" are highly optimized for one topic, but then redirect you to another page containing unrelated content after you click on one from the SERPs. Hint – no one likes to be tricked and that includes the search engines.
"Duplicated content" is another problem area with regard to article syndication. This is less risky and may not even carry an outright penalty. However, this can lower the ranking of the page in your site. In other words, your page that contains the article that has been syndicated on other sites now has less leverage with the search engines since it is not unique. Google, Bing and Yahoo prefer unique content.
"Hidden text" is a big no-no. The search engines will wise up to this very quickly and you could find yourself in search rank hot water.
"Keyword stuffing" is a big red flag that can get you in real trouble with the search engines. I have heard that a keyword density of more than 10% is considered to be keyword stuffing. This can get you penalized or even banned from the search indexes.
"Swap links" are also called reciprocal linking and they are one of the oldest tricks in the book. They are also very easy for the search engines to detect, so don't waste your time here. Swap links represent a form of barter to the search engines. They want to see one way back links to your site, because this is more indicative of an endorsement of your website.
"Use of session ids in web pages" will do a very good job of creating confusion among the search engines. If the web crawler sees one session id in your web page now and a different session id when it reaches it later on, then it thinks it has found two different pages on the same site. Neither version will be ranked and further, your website will be perceived as unstable. Search engine web crawlers like to see static pages when they reach your site.
What are some examples of SEO misinformation?
Good SEO Practices
There are other boo-boos I could mention here, but I think you get the idea from what was discussed. Search engines are designed to reward those who contribute substance to the internet. Keep this in mind when you orchestrate your SEO and you will be fine. Please be sure to also visit my website to learn more about my computer repair services.
About the Author
Perry Stevens is the founder of Blend Local Search Marketing, a Singapore-based agency that helps small businesses build sustainable, white-hat SEO strategies. With over 15 years in digital marketing, he's seen the damage black-hat tactics cause and helps clients recover from penalties while building long-term visibility.
FAQ
What is the difference between white hat and black hat SEO?
White hat SEO follows search engine guidelines — natural keywords, quality content, legitimate backlinks. Black hat SEO uses manipulative tactics like cloaking, keyword stuffing, and hidden text that violate guidelines and risk penalties.
Can I recover from a Google penalty?
Yes, but it takes time. First, identify the violation using Google Search Console. Then remove or fix the offending content, file a reconsideration request, and wait 2-6 weeks for review. Prevention through clean SEO practices is always better than recovery.
Is duplicate content from article syndication harmful?
It's not a direct penalty, but syndicated content dilutes your page's uniqueness. Search engines prefer original content. If you syndicate, use canonical tags pointing to your original article, or rewrite the content with a unique angle for your site.
What keyword density is safe?
Aim for 1-2% keyword density — natural usage that reads well for humans. Anything above 5% starts to look spammy, and 10%+ is considered keyword stuffing by most search engines.
Are reciprocal links ever okay?
Occasional reciprocal links with relevant, high-quality sites are fine (e.g., industry partnerships). But mass reciprocal linking schemes are easily detected and devalued. Focus on earning one-way backlinks through great content and genuine relationships.
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