InfoSightHub

Social bookmarking sites have a significant role to play in the off-page SEO strategy in sharing web pages, articles, infographics, etc.

Some of the free and popular bookmarking sites are Pinterest, Medium, Evernote, and Tumblr.

They help businesses and brands to increase their organic traffic and build backlinks of high authority.

Explore my list of the top 7 high DA social bookmarking sites for 2025.

What Is Social Bookmarking 

Social bookmarking is hence an excellent online service through which users can easily add, edit, and share bookmarks of web documents through dedicated websites.

The primary purpose of bookmarking is to relate to another person or group of persons who have similar interests and help discover new or relevant content.

Top 6 Social Bookmarking Sites 

Pinterest 

Pinterest is a site available to people for them to bookmark or to organize ideas using pictures called Pins, which these Pins will be saved to boards.

There is a noticeable increase of up to 553 million individuals in 13 countries and around 100 million in the U.S., across all the continents of the world by 2025 who will be using Pinterest.

Every seven days, visitors manage to accumulate as many as 1.5 billion Pins from 10 million boards, which all in all are the strong endorsements that Pinterest is the place to find and hoard ideas.

Reddit 

Reddit is yet another top social bookmarking platform where users engage in discussions, share content, and vote on posts within communities called “subreddits.” 

As of December 2024, Reddit reported 101.7 million daily active unique visitors and over 100,000 active communities. 

In 2024, the company generated $1.3 billion in revenue and achieved profitability for the first time.

Tumblr

Tumblr is a microblogging platform and social networking site established just like other such sites in the year 2007 allowing users to post multimedia content to short-form blogs.

As of 2025, Tumblr approximately has about 612 million blogs worldwide and users publish about 12.8 million blog posts daily. 

Most of the people using the site are of the younger age: 40% of users are aged between 18 and 25 years of age. There is gender equality among the users.

Digg 

Digg takes on the role of a news aggregator, selecting perhaps the most interesting and talked-about stories on the Internet, with a view to smoothing, simplifying, and smartening the life of its users. 

Founded in 2004, Digg underwent several transitions, with major relaunches in 2012 and 2019, to improve content and user experience. 

By 2012, Digg was drawing about 3.8 million unique monthly visitors in the U.S.

Scoop.it

Scoop.it is a place to aggregate content that fosters the discovery, curating, and active publishing of content by professionals and businesses to build their online identity and engage audiences. 

Commenced operations in 2011, the platform has now attracted over 8 million users who have published tens of millions of content pieces, reaching hundreds of millions of readers every year.

In 2018, the company was acquired by Linkfluence, a specialist in social media intelligence.

Diigo

Diigo enables you to highlight, bookmark, and attach notes to specific web pages that simply go to your private library in the cloud. 

This way, it keeps the annotations accessible through any device, as well as not suffering from the effects of deletion or change on the web pages. 

For group sharing of resources and discussion of content right on the page, Diigo offers a little bit of collaboration. It has been estimated that over 9 million users will be using Diigo by 2025.

Conclusion

Many people think social bookmarking is an outdated strategy in 2025, but it is still very beneficial for link building. 

So, why wait? Grab these free social bookmarking sites to expand your content discovery.

FAQs

How does social bookmarking help with SEO?

It assists SEO on various scales through backlinks quality, organic visibility improvement, and increasing quality traffic on the website.

How would I find social bookmarking sites?

Social bookmarking sites can either be uncovered by using an SEO tool or the search engines or just by strolling through the bookmarking platform directory.

What are the top social bookmarking sites in 2025?

Some popular sites in 2025 are Pinterest, Reddit, Digg, Pocket, and Stumble Upon (now also called Mix).

Do social bookmarking sites still matter for SEO in 2025?

Yes, social bookmarking still matters as it helps with traffic, high quality backlinks and business visibility, which are important for search engine optimization.

More High DA DoFollow Social Bookmarking Sites List