Wordpress Plugins
Top Anti-Spam technologies by market share
28 Anti-Spam technologies ranked by adoption across the web, with usage among the top 1M and top 10K most-visited sites. Every technology links to its full usage report, and every list is downloadable.
Up to 1M sites per list · Segment by country & TLD · Unlimited report rebuilds for 1 month
- Technologies tracked
- 28
- Live sites detected
- 615.9K
- In the top 1M sites
- 7.2K
Most used Anti-Spam technologies
by sites detectedAll Anti-Spam technologies
28 tracked| # | Technology | Top market | Total websites | Among top 1M | Among top 10K |
|---|---|---|---|---|---|
| 01 |
|
258,439 | 1,945 | 5 | |
| 02 |
|
152,789 | 1,921 | 15 | |
| 03 | Captcha | 110,871 | 1,749 | 17 | |
| 04 |
|
21,674 | 304 | - | |
| 05 |
|
21,620 | 245 | - | |
| 06 |
|
11,837 | 188 | - | |
| 07 |
|
8,751 | 267 | - | |
| 08 |
|
8,522 | 113 | - | |
| 09 |
|
7,529 | 198 | 1 | |
| 10 |
|
5,539 | 65 | - | |
| 11 |
|
2,799 | 67 | - | |
| 12 |
|
1,103 | 18 | - | |
| 13 |
|
890 | 7 | - | |
| 14 |
|
614 | 7 | - | |
| 15 |
|
532 | 4 | - | |
| 16 |
|
437 | 9 | - | |
| 17 |
|
331 | 2 | - | |
| 18 |
|
299 | 23 | - | |
| 19 |
|
266 | 2 | - | |
| 20 |
|
245 | 4 | - | |
| 21 |
|
187 | 2 | - | |
| 22 |
|
156 | 4 | - | |
| 23 |
|
119 | 7 | - | |
| 24 |
|
89 | 3 | - | |
| 25 |
|
79 | - | - | |
| 26 |
|
58 | - | - | |
| 27 |
|
45 | - | - | |
| 28 |
|
31 | - | - |
615,851 websites run a Anti-Spam technology. Pick any stack above and download its list, filtered to your exact market.
Start from $39/moEvery report includes
More than a list of domains
Complete domain list, up to 1M sites per report
Popularity score, based on total citations across the web
TLD & country data per website
Firmographics: headcount, year founded, industry
Up to 20 data points per site. Data point availability varies by website and report.
How do we download the reports?
You can download reports in Excel or JSON format. We also offer API access so you can enrich data directly from your own tools.
I am getting too many sites. How do I fix that?
Narrow your search with the available filters, like country, TLD, and stack combinations, for a tighter, better-qualified result set.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
Request accessTurn the Anti-Spam market into a prospect list
Unlock any Anti-Spam technology and download unlimited filtered reports for a month.