# Top Reference Websites in United States
The top 10 most visited reference websites in United States by Ahrefs organic search traffic estimates. Updated monthly.
September 2025
| Rank | Website | Search traffic | ||
|---|---|---|---|---|
| 1 | wikipedia.org |
1B
-64.4M
|
-64.4M | |
| 2 | merriam-webster.com |
32M
-1.4M
|
-1.4M | |
| 3 | britannica.com |
19.5M
+230K
|
+230K | |
| 4 | timeanddate.com |
11.4M
-770K
|
-770K | |
| 5 | ↑2 | word.tips |
8.5M
+251.9K
|
+251.9K |
| 6 | ↓1 | dictionary.com |
8M
-921.6K
|
-921.6K |
| 7 | ↓1 | wikihow.com |
6.8M
-1.9M
|
-1.9M |
| 8 | ↑3 | archive.org |
4.4M
+233.7K
|
+233.7K |
| 9 | thesaurus.com |
4.4M
+76K
|
+76K | |
| 10 | ↓2 | wiktionary.org |
4.2M
-580.7K
|
-580.7K |
## Top Trending Websites
Websites that changed positions within the top 100 rankings in September 2025.