--- title: "Litmus: search popularity worldwide" description: "Email testing and analytics software. 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/litmus" publisher: "Brandwave" --- # Litmus: search popularity worldwide Email testing and analytics software. 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**: Litmus - **Market**: Global - **Measured month**: Sep 2026 - **Share of Search among email deliverability testing tools**: 0.14% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Email deliverability testing tools | 7 | 0.14% | 590 | - [Email deliverability testing tools](/demand/global-en/categories/email-deliverability-testing-tools) ## Top email deliverability testing tools in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Litmus was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Litmus is the fifth most recommended of the eight. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | GlockApps | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Mail-Tester | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | MailReach | 3rd | 3 of 3 | 0 of 2 | 3 of 5 | | MXToolbox | 4th | 1 of 3 | 1 of 2 | 2 of 5 | | Litmus | 5th | 2 of 3 | 0 of 2 | 2 of 5 | | Mailtrap | 6th | 2 of 3 | 0 of 2 | 2 of 5 | | InboxAlly | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | MailMonitor | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about email deliverability testing tools - Asked ChatGPT "Which email deliverability testing tool should I use?": 1. GlockApps, 2. Mail-Tester, 3. MailReach, 4. Litmus, 5. Mailtrap - Asked ChatGPT "What are the best email deliverability testing tools?": 1. GlockApps, 2. Mail-Tester, 3. MailReach, 4. MXToolbox, 5. Mailtrap - Asked ChatGPT "What's the best email deliverability testing tool for better inbox placement?": 1. GlockApps, 2. MailReach, 3. Mail-Tester, 4. Litmus - Searched Google, AI Overview "email deliverability tool": 1. GlockApps, 2. MXToolbox - Searched Google, AI Overview "email spam test": 1. Mail-Tester Not named in any answer: InboxAlly and MailMonitor. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How has branded search demand for Litmus changed worldwide over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Litmus worldwide fell from 880 to 590. - Across the 12 months ending September 2026, Litmus’ share of searches among email deliverability testing tools worldwide held steady, from 0.19% to 0.14%. ## How did search popularity change for email deliverability testing tools worldwide in September 2026? - In September 2026, MXToolbox gained share of searches among email deliverability testing tools worldwide, from 67.1% to 70%. - In September 2026, Mailtrap lost share of searches among email deliverability testing tools worldwide, from 11.6% to 9.8%. - In September 2026, Mail-Tester lost share of searches among email deliverability testing tools worldwide, from 17.6% to 16.9%. - Estimated monthly branded searches for MailReach worldwide rose 22.7% over 12 measured months, from 4.4K to 5.4K in September 2026. - Estimated monthly branded searches for Litmus worldwide fell 33% over 12 measured months, from 880 to 590 in September 2026. - Estimated monthly branded searches for MailMonitor worldwide fell 33% over 12 measured months, from 880 to 590 in September 2026. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Email deliverability testing tools | 880 | 0.19% | 7 | | Nov 2025 | Email deliverability testing tools | 880 | 0.2% | 7 | | Dec 2025 | Email deliverability testing tools | 720 | 0.19% | 8 | | Jan 2026 | Email deliverability testing tools | 720 | 0.16% | 8 | | Feb 2026 | Email deliverability testing tools | 720 | 0.16% | 8 | | Mar 2026 | Email deliverability testing tools | 880 | 0.16% | 7 | | Apr 2026 | Email deliverability testing tools | 880 | 0.17% | 7 | | May 2026 | Email deliverability testing tools | 720 | 0.16% | 8 | | Jun 2026 | Email deliverability testing tools | 720 | 0.16% | 7 | | Jul 2026 | Email deliverability testing tools | 590 | 0.13% | 7 | | Aug 2026 | Email deliverability testing tools | 720 | 0.2% | 7 | | Sep 2026 | Email deliverability testing tools | 590 | 0.14% | 7 | ## How are Litmus’ branded searches counted? Brandwave collects information about searches that people make online using Litmus’ 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. - “litmus email” ## Which email deliverability testing tools compete with Litmus? - [MXToolbox](/demand/global-en/brands/mxtoolbox) - [Mail-Tester](/demand/global-en/brands/mail-tester) - [Mailtrap](/demand/global-en/brands/mailtrap): Head-to-head: /demand/global-en/compare/litmus-vs-mailtrap - [GlockApps](/demand/global-en/brands/glockapps): Head-to-head: /demand/global-en/compare/glockapps-vs-litmus - [MailReach](/demand/global-en/brands/mailreach): Head-to-head: /demand/global-en/compare/litmus-vs-mailreach - [InboxAlly](/demand/global-en/brands/inboxally): Head-to-head: /demand/global-en/compare/inboxally-vs-litmus - [MailMonitor](/demand/global-en/brands/mailmonitor): Head-to-head: /demand/global-en/compare/litmus-vs-mailmonitor ## 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. "Litmus: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/litmus This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/litmus. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.