psrc.aapt.org

Backlink analytics and domain authority

Backlinks
All Dofollow Nofollow UGC DR ▾ Ref. domains ▾
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11 backlinks All New Lost
Referring page DR Ref. domains Linked domains Anchor and target URL
Compadre Portal
https://www.aapt.org/ComPADRE
aapt.org
73 141 24
Computation and Problem Solving in Undergraduate Physics
https://psrc.aapt.org/curricula/cpsup
DOFOLLOW
Compadre Portal
https://www.aapt.org/ComPADRE
aapt.org
73 141 24
Computation and Problem Solving in Undergraduate Physics
https://psrc.aapt.org/curricula/cpsup
DOFOLLOW
Conceptual Physics: Digital Collections: Physics and Physical Science
https://www.compadre.org/precollege/static/unit.cfm?MID=111&course=3&sb=16
compadre.org
71 73 467
PSRC
http://psrc.aapt.org/
DOFOLLOW
Ciclo de Vida de las Estrellas – Física en Línea
https://fisicaenlinea.com/2025/04/20/ciclo-de-vida-de-las-estrellas
fisicaenlinea.com
0 4
PSRC
https://psrc.aapt.org/search/browse.cfm?browse=gsss
NOFOLLOW
Energía y Fuerza el Dúo Dinámico – Física en Línea
https://fisicaenlinea.com/2025/06/13/energia-y-fuerza-el-duo-dinamico
fisicaenlinea.com
0 4
PSRC
https://psrc.aapt.org/search/browse.cfm?browse=gsss
NOFOLLOW
Physics Reference and More!
http://www.beverlyteacher.com/physics.html
beverlyteacher.com
6 1 632
Physical Sciences Resource Center
http://psrc.aapt.org/
DOFOLLOW
En Búsqueda de la Materia Oscura – Física en Línea
https://fisicaenlinea.com/2025/04/21/en-busqueda-de-la-materia-oscura
fisicaenlinea.com
0 4
PSRC
https://psrc.aapt.org/search/browse.cfm?browse=gsss
NOFOLLOW
Principios del Electromagnetismo – Física en Línea
https://fisicaenlinea.com/2024/09/24/principios-del-electromagnetismo
fisicaenlinea.com
0 4
PSRC
https://psrc.aapt.org/search/browse.cfm?browse=gsss
NOFOLLOW
Electricity & magnetism I: course materials | Science Education Initiative | ...
https://www.colorado.edu/sei/departments/physics/activities/courses/electricity-magnetism-i-course-materials
colorado.edu
82 2,982 189
Visit our archive page on the AAPT Physical Science Resource Center
https://psrc.aapt.org/items/detail.cfm?ID=7891
NOFOLLOW
AP/Calculus-Based Physics: Digital Collections: Physics and Physical Science
https://www.compadre.org/precollege/static/unit.cfm?MID=111&course=5&sb=16
compadre.org
71 73 467
PSRC
http://psrc.aapt.org/
DOFOLLOW
Algebra-Based Physics: Digital Collections: Physics and Physical Science
https://www.compadre.org/precollege/static/unit.cfm?MID=111&course=4&sb=16
compadre.org
71 73 467
PSRC
http://psrc.aapt.org/
DOFOLLOW
Frequently Asked Questions
How many backlinks does psrc.aapt.org have?
The backlinks page for psrc.aapt.org shows all individual inbound links discovered in our crawl of the web. Each backlink represents a hyperlink on another website that points to a page on psrc.aapt.org. Use the filters to narrow results by dofollow/nofollow status, domain rating, or anchor text.
What is a backlink?
A backlink is a hyperlink on one website that points to a page on a different website. Backlinks are one of the most important ranking factors in search engine algorithms because they act as votes of confidence from other sites. The more high-quality backlinks a domain has, the more authority search engines assign to it.
Are the backlinks to psrc.aapt.org dofollow or nofollow?
Backlinks to psrc.aapt.org include both dofollow and nofollow links. Dofollow links pass link equity (ranking power) to the target site, while nofollow links include a rel="nofollow" attribute that tells search engines not to pass authority. Both types contribute to a natural backlink profile, but dofollow links carry more SEO weight. You can filter by link type using the rel filter above the table.
How often is backlink data updated?
Backlink data is updated monthly when our web crawler completes a new cycle. Our pipeline processes billions of web pages to discover new backlinks, track lost links, and update domain authority scores. The freshness of data depends on when our crawler last visited the referring pages.