Top Physics Websites Ranking in United States

See the most visited Physics websites in United States for April 2026, and read the full analysis below

Last updated : May 1, 2026

Rank	Website	Category	Rank Change
1	caltech.edu	Science and Education > Physics	=
2	aps.org	Science and Education > Physics	1
3	iop.org	Science and Education > Physics	1
4	theexpertta.com	Science and Education > Physics	3
5	aip.org	Science and Education > Physics	=

See full list

* Some websites ranked in the list above may contain adult content, please use caution when visiting unknown sites.

Top Physics Websites in United States Ranking Analysis for April 2026

caltech.edu ranked number 1 and is the most visited Physics website in United States in April 2026, followed by aps.org as the runner up, and iop.org ranking at 3rd place as the leaders of the Physics websites in United States.

Closing off the top 5 Physics websites ranking list in United States are theexpertta.com ranked in 4th place, and aip.org at the last position for April 2026.

Come again next month for the updated website ranking & traffic analysis of the most visited Physics websites in United States!

FAQs About The Top Physics Websites in United States

Question: Which is the top Physics website in United States?
Answer: caltech.edu is the most popular Physics website in United States in April 2026.

Question: Which is the 2nd most visited Physics website in United States?
Answer: aps.org is the 2nd most visited Physics website in United States in April 2026.

Question: What are the top 5 most popular Physics websites in United States?
Answer: The top 5 most popular Physics websites in United States in April 2026 are:
1. caltech.edu
2. aps.org
3. iop.org
4. theexpertta.com
5. aip.org.