Companies Using ClickGUARD

I build the crawlers behind these numbers, so I started ClickGUARD where I start every script-based profile: by checking that the script does something. A domain counts here when a page loads ClickGUARD's tracking script from io.clickguard.com, the older address, or pulse.clickguard.com, the newer one. I opened 48 random live domains from the cleaned October 2026 set in a browser. 36 rendered for us, and 32 of those 36 loaded ClickGUARD; 24 also sent its tracking call before we closed the page. That's a working signal. After the cleaning described below, it gives 1,471 live domains, 15th of 32 in Fraud Prevention.

Accounts behind the domains

ClickGUARD writes an account id into its script address, which lets me count buyers instead of hostnames. That census is also why this count is lower than our first pass. Three accounts each covered dozens of sites that aren't separate buyers, and we took them out: 123 suburb microsites of Harris Family Funerals in Melbourne, which now count once; 51 artists' domains that redirect to ArtSpan and load its account; and 46 agent websites built on HAR.com, Houston's realtor portal, under HAR.com's account. In what remains, 1,237 domains show a readable id, spread over 704 accounts, about 1.76 domains each. 504 accounts sit on a single domain. 39 cover five or more and 346 domains between them, led by an account on Sapper Consulting's 14 domains plus 16 other businesses, and one on 29 Mumbai property-project microsites.

Sales signal: treat a ClickGUARD list as roughly 700 buying decisions. Group by account before you count, and expect agencies behind the multi-domain clusters. An agency that already pays for click-fraud protection on 16 client sites is one conversation, not 16.

Reading the trend

The usage chart shows a single point, October 2026, because the cleaned count starts there. Our earlier monthly totals included the removed fleets, and they also moved with our crawl: the set of domains we cover turns over every month as dead sites leave and new ones arrive, and the signals we detect ClickGUARD with have widened. So I won't call any of it growth. The base does move in both directions, though. 240 domains dropped ClickGUARD on at least one hostname since we began tracking removals on 16 March 2026, and 37 of those still run it on another hostname.

"A click-fraud script only earns its fee while the ads are running, so I'd expect churn on this list to follow small advertisers' ad budgets as much as their opinion of the tool." - David Thomson, CTO at TechnologyChecker.io

Sales signal: a domain that recently dropped ClickGUARD may have paused its campaigns. Check for live ad tags before you pitch a rival tool; if the ads are off, the timing is wrong.

Who buys it

42.59% of matched companies with a known size have 1 to 10 employees and 35.43% have 11 to 50, so 78.02% have 50 or fewer staff. That's a little more mid-sized than ClickCease, whose profile puts 83.21% at 50 or under. Only 60 companies have more than 200 staff. The named ones run it on a main or marketing site: Rithum on rithum.com, Nearmap on nearmap.com, Winn Solicitors on its home page, Eastridge on eastridge.com. The University of Utah loads it on admissions.utah.edu and on several Eccles School of Business domains, all under one account. Founding years skew recent, with 39.42% in the 2010s.

Sales signal: the buyer is the person who owns the ad account, often a founder or a one-person marketing team, or the agency behind them. Pitch on cost per lead; enterprise security language won't land.

Which trades and countries

Construction leads at 6.81%, then IT services (5.76%), software (4.84%) and real estate (3.66%). No industry passes 7%, so the pattern is the price of a click rather than a sector. Builders, clinics, software firms and law firms all buy search terms where a single lead is worth a lot. The United States has 423 of the 858 matched companies, the United Kingdom 74, Australia 53 and Canada 43, so the four English-speaking leaders hold 593 of the 858.

Sales signal: for anything sold to PPC-heavy businesses, such as call tracking, landing-page tools or lead verification, ClickGUARD sites in construction, software and legal are pre-qualified: they already spend enough on ads to protect them.

Next to ClickCease

ClickCease is the direct rival and it's far bigger: 33,001 domains in the same crawl, about 22 times ClickGUARD's count. We have no switching flow to report between them, because they're stacked more than swapped. 100 domains run both scripts today, out of 117 ever seen with both. From the tags alone I can't tell a side-by-side trial from a second script left behind after a switch.

"Most of the sites that have ever carried both click-fraud scripts still carry both. That reads to me like advertisers testing one against the other, not a market moving from one vendor to the next." - David Thomson, CTO at TechnologyChecker.io

Sales signal: the 100 dual-tag domains are the most interesting rows on either list. They're paying, or trialling, twice for one job, and the vendor that proves more blocked spend in a month probably keeps the account.

The stack around it

Of the 1,471 domains behind our charts, Google Analytics runs on 92.79%, DoubleClick Floodlight on 49.56%, the Facebook Pixel on 49.15% and Microsoft Advertising on 24.61%. WordPress carries 45.75% and Elementor 17.95%; Shopify is on 8.84%. These are lead-generation sites. reCAPTCHA (21.55%) and Cloudflare's bot management (14.75%) also show up, so a share of these owners already worry about bots on their forms, not only on their ads.

Sales signal: pitch WordPress lead-gen agencies and form-fraud tools here before ecommerce apps. Microsoft Advertising on about one site in four is a useful filter for advertisers spending beyond Google.

What it costs

ClickGUARD's pricing page, read on 15 October 2026, scales with monthly ad spend. Lite starts at $74 a month for one website and up to $5,000 of spend, Standard at $119 for three websites and up to $50,000, and Pro at $159 for unlimited websites and up to $100,000. Quarterly billing saves 10% and yearly 20%. Its about page dates the launch to 2016 and claims more than 3,135 companies secured.

Sales signal: pricing tied to ad spend means a growing advertiser hits the next tier quickly. An advertiser crossing the $5,000 or $50,000 line has a reason to review the tool, which makes that a good moment to call.

Key takeaways

1. 1,471 live domains after cleaning, and about 700 accounts behind the 1,237 domains we can attribute.

2. A small-advertiser base: 78.02% of matched companies have 50 or fewer staff.

3. Construction leads, and the common factor is the price of a click.

4. ClickCease is 22 times larger, and 100 domains run both.

5. 220 domains were removed because three accounts covered them, from a funeral business's microsites to HAR.com's agent sites.

How to use this list

Group rows by account, then filter by industry and country. For the full list of 1,471 ClickGUARD domains with company, size and stack data, explore TechnologyChecker.io. Our Google Ads profile covers the advertisers those budgets come from.