How popular isLet's Encrypt in search?
In August 2026, there were an estimated 62.7K branded searches for Let's Encrypt worldwide which is down 29.4% over the last 11 months. Let's Encrypt holds 3.7% estimated Share of Search among SSL certificate providers worldwide and is ranked 2nd of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.
Namecheap93.1%Let's Encrypt3.7%
DigiCert2.4%
GlobalSign0.71%
Comodo0.09%
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Which SSL certificate providers compete with Let's Encrypt?
Share of Search by month for Namecheap, Let's Encrypt, DigiCert. The figures are in the table below the chart.
View monthly share of search table
| Month | Namecheap | Let's Encrypt | DigiCert | GlobalSign | Comodo |
|---|---|---|---|---|---|
| Oct 2025 | 86.9% | 7.4% | 4.1% | 1.2% | 0.24% |
| Nov 2025 | 87.1% | 7.5% | 4.2% | 1% | 0.24% |
| Dec 2025 | 87.8% | 7.5% | 3.4% | 1% | 0.2% |
| Jan 2026 | 88.2% | 7.3% | 3.4% | 0.84% | 0.17% |
| Feb 2026 | 89.1% | 6.4% | 3.4% | 0.84% | 0.17% |
| Mar 2026 | 89.5% | 5.9% | 3.4% | 1% | 0.2% |
| Apr 2026 | 91.2% | 5.1% | 2.9% | 0.7% | 0.14% |
| May 2026 | 89.7% | 6% | 3.4% | 0.82% | 0.13% |
| Jun 2026 | 89% | 6.9% | 2.8% | 1.2% | 0.13% |
| Jul 2026 | 91.4% | 4.9% | 2.8% | 0.83% | 0.13% |
| Aug 2026 | 93.1% | 3.7% | 2.4% | 0.71% | 0.09% |
| Sep 2026 | — | — | — | — | — |
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 93.1% | 1.6M | +18.6% | +1.8 points | |
| 2, held 2nd | 3.7% | 62.7K | -12.6% | -1.2 points | |
| 3, held 3rd | 2.4% | 40.5K | 0% | -0.4 points | |
| 4, held 4th | 0.71% | 12.1K | 0% | -0.1 points | |
| 5, held 5th | 0.09% | 1.6K | -15.8% | 0 points |
93.1%
Held 1st. 1.6M estimated branded searches, +18.6% vs prior month. Share +1.8 points.
3.7%
Held 2nd. 62.7K estimated branded searches, -12.6% vs prior month. Share -1.2 points.
3.
2.4%
Held 3rd. 40.5K estimated branded searches, 0% vs prior month. Share -0.4 points.
0.71%
Held 4th. 12.1K estimated branded searches, 0% vs prior month. Share -0.1 points.
5.
Comodo0.09%
Held 5th. 1.6K estimated branded searches, -15.8% vs prior month. Share 0 points.
Compare search popularity between Let's Encrypt and its closest rivals
Every comparison with Let's Encrypt
4 comparisons
How has branded search demand for Let's Encrypt changed worldwide over the last 12 months?
3 findings
- Across the 11 months ending August 2026, estimated monthly branded searches for Let's Encrypt worldwide fell from 88.8K to 62.7K.
- Across the 11 months ending August 2026, Let's Encrypt’s estimated Share of Search among SSL certificate providers worldwide decreased from 7.4% to 3.7%.
- Across the 11 months ending August 2026, Let's Encrypt’s estimated Share of Search among SSL certificate providers worldwide peaked at 7.5% in December 2025 and was lowest at 3.7% in August 2026.
How did search popularity change for SSL certificate providers worldwide in August 2026?
5 changes
In August 2026, Namecheap gained estimated Share of Search among SSL certificate providers worldwide, from 91.4% to 93.1%.
In August 2026, Let's Encrypt lost estimated Share of Search among SSL certificate providers worldwide, from 4.9% to 3.7%.
Estimated monthly branded searches for Comodo worldwide fell 44.8% over 11 measured months, from 2.9K to 1.6K in August 2026.
Estimated monthly branded searches for GlobalSign worldwide fell 18.2% over 11 measured months, from 14.8K to 12.1K in August 2026.
Estimated monthly branded searches for DigiCert worldwide fell 18.2% over 11 measured months, from 49.5K to 40.5K in August 2026.
How is Let's Encrypt measured?
Brandwave collects information about searches that people make online using Let's Encrypt’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.
2 branded search terms
- lets encrypt
- letsencrypt
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