Dude, when you consult SEO professionals, they let you know loads of helpful SEO tricks to optimize your website, but what they often not inform you is what you should not do at the time of website optimization. So here, instead of letting you know what you should do, I would let you know only what you should not do.
Many people are accustomed to copy content from different websites and to upload them on their own websites after altering them a little. But when search engines find their content are tampered content at that moment the search engines devalue them. So, you should not use duplicate content at all. In order to check whether the content is copied or not, you should take help of copyscape.com.
Search engines dislike content written by robots. So don’t take help of robots to write your content.
You are informed you should keep keywords density 3 to 5%, but you are not informed that you should try to avoid repetition and keyword stuffing, as these things make your content pathetic for the readers and distract them. So, these practices make your website worthless for the search engines.
Adding tags excessively in your content is known as title stacking and it is something that search engines dislike, so avoid doing this.
It is never good to purchase links, as paid links can be disastrous for your website’s future because if search engines caught you doing this, your site may be in trouble because search engines love natural links.
Search engines consider hidden text illegitimate. They do it because they believe you practice it to fool the search engines in order to manipulate their ranking signals.
Loads of Advertisement
Undoubtedly, advertisement on your website is your livelihood, but little content and plenty of ads cause disaster for your website, as search engines expects you to elucidate the information seekers, so don’t give loads of advertisement on pages which have the least content.
Lastly, I would say for your bright future in online business, don’t practice these bad habits that can make your website worthless for the search engines and can even compel you to shut down your online business. Furthermore, I would recommend you to contact professional SEO company to get more information on this subject, so that you can keep your website safe from such bad search engine optimization practices and flourish in your online business.