Bootstrap vs Pico.css:Which is more popular?
In September 2026, Bootstrap and Pico.css were level in searches among CSS frameworks worldwide, with an estimated 5.4K branded searches each, at 1.4% of the total each. When we asked ChatGPT and Google AI Overviews about CSS frameworks, Bootstrap appeared in all five answers and Pico.css in three. Bootstrap was mentioned before Pico.css in every answer.
Who do people search for more?
Bootstrap and Pico.css are searched for about as often as each other.
Who does AI mention more?
Bootstrap, mentioned in every answer we collected
Who does AI recommend more?
Bootstrap, named ahead of Pico.css in every answer
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Top CSS frameworks in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Bootstrap appeared in all five answers. Pico.css was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Bootstrap was listed before Pico.css in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Tailwind CSS1st- Bootstrap2nd
Bulma3rd
Pico.css4th
shadcn/ui5th
Materialize6th
Starship Foundation–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Tailwind CSS5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Bootstrap5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Bulma4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Pico.css3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- shadcn/ui2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Materialize1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Starship Foundation0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about CSS frameworks
5 answers
Asked ChatGPT
“Which CSS framework should I use?”
Asked ChatGPT
“What are the best CSS frameworks?”
Asked ChatGPT
“What's the best CSS framework for a website team?”
Searched Google, AI Overview
“css frameworks”
Searched Google, AI Overview
“frontend framework”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Bootstrap or Pico.css more popular in search?
This chart shows how often people search Google for Bootstrap and Pico.css by name. Each line represents a brand's share of searches for all seven CSS frameworks we track, month by month, from English-language searches worldwide.
Share of searches by month for Bootstrap, Pico.css. The figures are in the table below the chart.
View monthly share of searches table
| Month | Tailwind CSS | shadcn/ui | Bootstrap | Pico.css | Bulma | Starship Foundation | Materialize |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 66.3% | 29.6% | 1.8% | 0.97% | 1.2% | 0.13% | 0.01% |
| Nov 2025 | 70.2% | 25.7% | 1.9% | 1% | 1% | 0.16% | <0.01% |
| Dec 2025 | 66.2% | 29.7% | 1.8% | 1.2% | 0.97% | 0.16% | <0.01% |
| Jan 2026 | 66.5% | 29.7% | 1.5% | 1.2% | 0.98% | 0.13% | 0.01% |
| Feb 2026 | 57% | 38.2% | 1.5% | 1.5% | 1.5% | 0.23% | 0.01% |
| Mar 2026 | 57.4% | 38.3% | 1.3% | 1.5% | 1.3% | 0.19% | 0.01% |
| Apr 2026 | 57.1% | 38.3% | 1.5% | 1.5% | 1.3% | 0.2% | <0.01% |
| May 2026 | 57.2% | 38.4% | 1.3% | 1.5% | 1.3% | 0.3% | <0.01% |
| Jun 2026 | 65.6% | 29.4% | 2.6% | 1.2% | 0.96% | 0.19% | <0.01% |
| Jul 2026 | 57.1% | 38.4% | 1.5% | 1.5% | 1.3% | 0.2% | <0.01% |
| Aug 2026 | 56.1% | 37.7% | 3.4% | 1.5% | 1% | 0.25% | <0.01% |
| Sep 2026 | 62% | 34% | 1.4% | 1.4% | 1.1% | 0.18% | <0.01% |
How has the Bootstrap and Pico.css comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: Pico.css took it in March 2026, Bootstrap took it in June 2026.
- Across the 12 months ending September 2026, Bootstrap’s share of searches among CSS frameworks worldwide moved from 1.8% to 1.4%, and its estimated monthly branded searches moved from 12.1K to 5.4K.
- Across the 12 months ending September 2026, Pico.css’ share of searches among CSS frameworks worldwide moved from 0.97% to 1.4%, and its estimated monthly branded searches moved from 6.6K to 5.4K.
How did search popularity change for CSS frameworks worldwide in September 2026?
2 changes
In September 2026, Bootstrap lost share of searches among CSS frameworks worldwide, from 3.4% to 1.4%.
Estimated monthly branded searches for Pico.css worldwide fell 18.2% over 12 measured months, from 6.6K to 5.4K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Bootstrap’s and Pico.css’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among CSS frameworks
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