It’s common knowledge that incoming links help to improve your search engine rankings, but what you may not know is that some of those links can actually hurt your search engine rankings instead. Spam links are often easy to identify, and if you’re not careful, they can make your website look untrustworthy in the eyes of Google. Learn more about identifying spam traffic on your website here!
If you’re using any sort of SEO Company Sydney service, the chances are high that it runs black hat tactics like spamming your website and breaking links—these tactics result in spam traffic. Learn about these features: How long does it take for a link from a spammy SEO website to show up? What type of anchor text do they use?
SEO spam is defined as traffic coming from a site using techniques against SEO best practices. But how do you know when a website is spamming your SEO? 
1: A sudden spike in search engine referrals beyond what you normally see.
2: There is an unusually high percentage of search engine referrals compared to direct visits.
3: Many backlinks come from sites with low authority or few total links.
4: Links that seem unrelated to your business, such as links embedded in-text ads or banner ads pointing at your website.
conclusion:
Spam traffic is a huge source of headaches for website owners and can lead to thousands of dollars in loss if it’s not dealt with. It’s important to understand what spam traffic is and how you can prevent it from infiltrating your site. Thankfully, there are ways you can block spammers and keep your website secure from suspicious activity.