Certainly, here are 20 websites with high Domain Authority (DA) where you can potentially create free backlinks:
Medium.com (DA 96): Share your insights and articles in your niche on this popular blogging platform.
Reddit.com (DA 91): Engage in relevant subreddits and participate in discussions while sharing your content when appropriate.
Tumblr.com (DA 87): Create a Tumblr blog and share your content, including images, articles, and more.
WordPress.com (DA 87): Start a free blog on WordPress and contribute valuable content to the community.
Quora.com (DA 93): Answer questions related to your field, providing helpful insights and linking back to your relevant content.
HubPages.com (DA 69): Write informative articles and create hubs that include backlinks to your website.
LinkedIn.com (DA 98): Publish articles on LinkedIn that showcase your expertise and link back to your website.
Behance.net (DA 92): If you’re in a creative field, showcase your portfolio and link back to your website.
About.me (DA 92): Create a personal profile page and include links to your website and social media.
Issuu.com (DA 94): Publish documents and PDFs related to your niche, including backlinks where appropriate.
Moz.com (DA 88): Engage in discussions on Moz’s community forum and share valuable insights.
Mix.com (DA 83): Submit your content to Mix and reach a broader audience interested in various topics.
Flipboard.com (DA 91): Curate your content into magazines on Flipboard and include links to your website.
Weebly.com (DA 86): Start a free blog on Weebly and share your content with their community.
Wix.com (DA 63): Similar to Weebly, you can create a free blog and link back to your website.
LiveJournal.com (DA 92): Start a blog on LiveJournal and share your thoughts while linking to your website.
Diigo.com (DA 89): Bookmark and annotate web pages, including your own content, and share them with the Diigo community.
Dribbble.com (DA 92): If you’re a designer, showcase your work and include links back to your website.
Goodreads.com (DA 93): Share books related to your niche, write reviews, and include links to your website.
Ted.com (DA 94): If you’ve given a TED talk or have valuable insights, you can add links to your website on your TED profile.
Remember, while building backlinks, quality matters more than quantity. Focus on creating valuable, relevant, and engaging content that naturally attracts links from authoritative sources. Additionally, always follow each platform’s guidelines and community rules to ensure you’re using these platforms ethically and effectively.