The top 10 most visited science websites in United States by Ahrefs organic search traffic estimates. Updated monthly.
Rank | Website | Search traffic | |||
|---|---|---|---|---|---|
| 1 | openai.com | 87M | −10M | ||
| 2 | weather.com | 22M | −487K | ||
| 3 | calculator.net | 12M | −3.7M | ||
| 4 | ↑1 | accuweather.com | 10M | +269K | |
| 5 | ↓1 | weather.gov | 10M | −247K | |
| 6 | ↑1 | noaa.gov | 7.3M | +1.1M | |
| 7 | ↓1 | sciencedirect.com | 6.5M | −1.9M | |
| 8 | ↑1 | nasa.gov | 4.8M | −1.1M | |
| 9 | New | wunderground.com | 4.1M | −727K | |
| 10 | New | howstuffworks.com | 3.7M | −522K |
Websites that changed positions within the top 10 rankings in July 2025.
Rank | Website | Change | |
|---|---|---|---|
| 9 | wunderground.com | ↑2 | |
| 10 | howstuffworks.com | ↑2 | |
| 4 | accuweather.com | ↑1 |
Rank | Website | Change | |
|---|---|---|---|
| 5 | weather.gov | ↓1 | |
| 7 | sciencedirect.com | ↓1 | |
| 1 | openai.com |
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