Wrong SEO techniques could push your website to the edge of a cliff. One more miscalculation and you'll fall into an unfathomable abyss of SEO melancholia, if not death.

Yes, there are deadly sins in web search engine optimization. And you better know and avoid them by heart. These sins diminish your chance of achieving high search engine rankings. Worst, they could result in the banning of your website.

What are the deadliest sins of SEO? Take a closer look. The following is the top 5 list of the deadliest mistakes:

1. The use of black hat SEO techniques.
2. Excessive use of flash animation on a web page.
3. The utilization of complex menu systems.
4. Stating no title for a particular page.
5. Associating with toxic websites.

SEO mistakes could unmake your website. Despite your efforts to make your site rank high in search engine rankings, these mistakes could put them to waste. Hence, avoid them at all costs!