---
title: "OPNsense: search popularity worldwide"
description: "OPNsense is an open source firewall. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/brands/opnsense"
publisher: "Brandwave"
---

# OPNsense: search popularity worldwide

OPNsense is an open source firewall. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Brand**: OPNsense
- **Market**: Global
- **Measured month**: Sep 2026
- **Share of Search among firewall brands**: 23.5%

## Where the brand sits

| Competitive set | Rank | Share of Search | Estimated monthly branded searches |
| --- | --- | --- | --- |
| Firewall brands | 2 | 23.5% | 74K |

- [Firewall brands](/demand/global-en/categories/firewall-brands)

## Top firewall brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, OPNsense was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews.

Too few answers listed options to rank the brands, so only mentions are counted.

| Brand | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- |
| Sucuri | 1 of 3 | 0 of 2 | 1 of 5 |
| OPNsense | 2 of 3 | 2 of 2 | 4 of 5 |
| Wordfence | 0 of 3 | 0 of 2 | 0 of 5 |
| MalCare | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about firewall brands

- Asked ChatGPT "Which firewall should I use?": 1. OPNsense
- Asked ChatGPT "What are the best firewalls?": 1. OPNsense
- Asked ChatGPT "What's the best firewall for a website?": 1. Sucuri
- Searched Google, AI Overview "firewall software": 1. OPNsense
- Searched Google, AI Overview "best firewall": 1. OPNsense

Not named in any answer: Wordfence and MalCare.

Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026.

## How has branded search demand for OPNsense changed worldwide over the last 12 months?

- Across the 12 months ending September 2026, estimated monthly branded searches for OPNsense worldwide held steady at 74K.
- Across the 12 months ending September 2026, OPNsense’s share of searches among firewall brands worldwide decreased from 33.3% to 23.5%.
- Across the 12 months ending September 2026, OPNsense’s share of searches among firewall brands worldwide peaked at 37.5% in March 2026 and was lowest at 23.5% in September 2026.

## How did search popularity change for firewall brands worldwide in September 2026?

- In September 2026, Sucuri gained share of searches among firewall brands worldwide, from 55.3% to 67%.
- In September 2026, OPNsense lost share of searches among firewall brands worldwide, from 33.4% to 23.5%.
- In September 2026, Wordfence lost share of searches among firewall brands worldwide, from 9.7% to 8.1%.

## Historical estimated branded-search demand

| Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Firewall brands | 74K | 33.3% | 2 |
| Nov 2025 | Firewall brands | 90.5K | 37.4% | 2 |
| Dec 2025 | Firewall brands | 74K | 30.5% | 2 |
| Jan 2026 | Firewall brands | 90.5K | 30.8% | 2 |
| Feb 2026 | Firewall brands | 74K | 32.9% | 2 |
| Mar 2026 | Firewall brands | 90.5K | 37.5% | 2 |
| Apr 2026 | Firewall brands | 74K | 32.6% | 2 |
| May 2026 | Firewall brands | 74K | 28.8% | 2 |
| Jun 2026 | Firewall brands | 74K | 31.8% | 2 |
| Jul 2026 | Firewall brands | 74K | 29.1% | 2 |
| Aug 2026 | Firewall brands | 90.5K | 33.4% | 2 |
| Sep 2026 | Firewall brands | 74K | 23.5% | 2 |

## How are OPNsense’s branded searches counted?

Brandwave collects information about searches that people make online using OPNsense’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

- “opnsense”

## Which firewall brands compete with OPNsense?

- [Sucuri](/demand/global-en/brands/sucuri): Head-to-head: /demand/global-en/compare/opnsense-vs-sucuri
- [Wordfence](/demand/global-en/brands/wordfence): Head-to-head: /demand/global-en/compare/opnsense-vs-wordfence
- [MalCare](/demand/global-en/brands/malcare): Head-to-head: /demand/global-en/compare/malcare-vs-opnsense

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Cite this page

Brandwave. "OPNsense: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/opnsense

This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/opnsense. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
