← All posts

Bots · Firewall · Analytics

Bot traffic is lying in your analytics. Here is how to spot it and block it

A big share of web traffic is automated. Learn the signs of bot traffic, why it ruins your conversion rates and ad spend, and how to filter or block it.

NoirTrack team · · 4 min read

A crowd of identical robot silhouettes mixed into a line chart of website visitors

If your traffic jumped last Tuesday and sales did not move, you are probably not looking at people. Automated traffic is a large share of the web: scrapers, SEO tools, uptime checkers, AI crawlers, spam bots and plain attacks. Many of them load your pages like a browser would, and most analytics tools count them as visitors.

That makes every number you look at a little wrong, and some of them very wrong.

Why bot traffic is a real problem

  • Conversion rates look worse than they are. If a third of your visitors are bots, your real conversion rate is 50% higher than the one on your dashboard.
  • You chase fake spikes. A burst of crawler traffic looks like a viral moment. You spend a day trying to repeat something that never happened.
  • Ad spend leaks. Paid clicks from bots cost real money and never buy.
  • Forms fill with junk. Signup and contact forms collect fake accounts and spam leads that your team then has to clean up.

Signs you are counting bots

Look for these patterns in your dashboard:

  1. Very high bounce rate with near-zero time on page from one source or country.
  2. Traffic at strange hours that does not match your audience's time zone.
  3. One page getting hammered, often /, /wp-login.php or a pricing page, with no clicks to anything else.
  4. Referrers you have never heard of, sometimes with spammy names. This is called referrer spam.
  5. Data center networks (cloud providers) instead of home and mobile internet providers.

One of these on its own can be innocent. Several together usually mean automation.

Filtering bots versus blocking them

There are two separate jobs here, and it helps to keep them apart.

Filtering keeps bots out of your numbers. The bot still loads your page, but it is not counted as a visitor. This fixes your reports without touching your site.

Blocking keeps bots off your site. The bot is turned away before it can scrape content, spam a form or burn your ad budget.

NoirTrack does both. Bots are excluded from visitor and pageview counts by default and shown separately, so you can see how much of your traffic was automated. The built-in firewall can then block the categories you choose: known bad IPs, VPNs and proxies, data center traffic, spam referrers, attack patterns and AI scrapers.

Start in monitor mode

Blocking is powerful, so start carefully. Run the firewall in monitor mode first: it records what it would have blocked without turning anyone away. After a few days, check the firewall log. If the would-be blocks look right, switch to block mode.

This matters because aggressive rules can catch real people too, for example a customer browsing through a VPN. Monitor mode lets you see that before it costs you a sale.

Protect your forms separately

Bots that fill forms are a special case. They often run real browsers and pass simple checks. Form Shield checks each submission with a hidden honeypot field, disposable email detection and a submission rate limit, so fake signups never reach your database.

A quick checklist

  • Compare your visitor count with and without bots. If the gap is over 20%, your reports have been misleading you.
  • Look at your top pages by bot traffic. Scrapers target what is valuable.
  • Turn on the firewall in monitor mode for a week, then decide what to block.
  • Add form protection to signup and contact forms.

Frequently asked questions

How much website traffic is bots?

It varies by site, but automated traffic is commonly a third or more of all requests, and small sites are not spared. Scrapers, SEO tools and AI crawlers visit sites of every size.

Does Google Analytics filter bots?

It filters some known bots, but many scrapers and headless browsers look like normal visitors and still get counted. A tool that checks network, behaviour and known bot lists catches far more.

Will blocking bots hurt my SEO?

Not if search engines are allowed. A good firewall lets Google, Bing and other search crawlers through while blocking scrapers and spam. In NoirTrack search engines are allowed by default.

What is the difference between filtering and blocking bot traffic?

Filtering keeps bots out of your analytics numbers but still lets them load your site. Blocking stops them from reaching your site at all.