Here are some popular psychology websites known for their high-quality information and resources. These sites were selected based on their popularity, social media presence, and search engine performance. We also have a separate, more objective list of the most visited mental health websites.

1. APA Psych Learning Curve is a place where educators, students, parents, activists and psychologists can explore the latest in educational psychology.
2. BPS Research Digest is published by the British Psychological Society in 2005. Its aim is to showcase psychological science while also casting a critical eye over its methods.
3. Cogprints is an electronic archive for self-archive papers in any area of psychology, neuroscience, linguistics, and computer science.
4. Happier Human has a wide selection of articles relating to psychology, mental health, and well-being. They also focus on ways to lead a happier life. 
5. Mind Hacks gives Neuroscience and psychology tricks to find out what’s going on inside your brain.
6. MindEd provides extensive resources for professionals and volunteers, focusing on children and young people’s mental health. There are also specific resources to support CAMHS and CYP IAPT learners and those on counselling courses.
7. National Institute of Mental Health is the largest scientific organisation in the world dedicated to research focused on the psychology, understanding, treatment and prevention of mental disorders and the promotion of mental health.
8. NUIG Health Psychology Blog is from the School of Psychology of the National University of Ireland, Galway is a central hub of research in this area, with strong links to the Divisions of Health Psychology in both the Psychological Society of Ireland (PSI) and the British Psychological Society (BPS).
9. OU Psychology Blog is run by the School of Psychology of the Open University. It covers forensic psychology, counselling, and social psychology.
10. Positive Psychology was founded by Seph Fontane Pennock and Hugo Alberts. They had one thing in mind when they started Positive Psychology: to help people understand positive psychology and how to apply it to their everyday lives.
11. Psych Central claims to be the largest and oldest independent mental health social network. Since 1995, its award-winning website has been run by mental health professionals offering reliable, trusted information and over 250 support groups to consumers.
12. Psychology Today was first launched in 1967 and continues to thrive. On this site, they have gathered a group of renowned psychologists, academics, psychiatrists and writers to contribute their thoughts and ideas on what makes us tick. 
13. PsychNewsDaily publishes the latest psychology news, from neuroscience and psychometrics to mental health and more.
14. Psychreg is the website you are reading now. Launched in 2014 as a directory, it soon evolved into publishing articles on psychology and mental health, running its YouTube channel, and its own open-access publication.
15. PsyPost is a psychology and neuroscience news website dedicated to reporting the latest research on human behaviour, cognition, and society.
16. The Scientific American has a page called Mind, which is dedicated to news and articles about psychology.
17. Simply Psychology offers a guide to psychology theories and psychology and psychology studies and is aimed at psychology students of all levels.
18. Social Psychology Network is one of the largest sites devoted to psychological research and teaching.
19. UCL Experimental Psychology Blog is run by UCL’s Psychology and Language Sciences (PALS). They undertake world-leading research and teaching in mind, behaviour, and language. It brings together researchers in a range of disciplines such as cognition, neuroscience, linguistics, education, communication, medicine, health, phonetics and development. 
20. Welldoing is a site devoted to mental health, self-development and well-being, with its own directory of therapists and counsellors.

These websites are highly respected sources of information for individuals seeking to learn more about psychology and mental health. However, it’s important to note that information found on websites should be used as a starting point and should not replace the advice of a licensed mental health professional.