PortBackLinks is a backlink source index tool for planning and tracking link building, with the website at https://portbacklinks.com/。其核心定位是帮助用户找到合适的反向链接建设来源，并在一处管理外联工作。
Purpose PortBackLinks is aimed at users who need to build backlinks, providing a curated index of directories, communities, and editorial sources. Users can view the cost, link type, and submission steps of each source before submitting, so they can research first and then submit in context.
Main capabilities
- Backlink source index: filter by source type, cost, language, and link attributes to find relevant sources.
- Source profiles: each source has a profile page where you can view its submission page, available verification instructions, and a practical checklist.
- Requirements review: provides verified submission links, checklists, and reusable copy.
- Work tracking: add sources to a website workspace and record submission progress.
- Product directory: browse approved indie developer products by category, and submit clear product information for review.
- Free backlink sources can be browsed; the product directory includes verified products; each account has free website slots, which require a homepage badge.
How to use
- Find relevant sources: filter by source type, cost, language, and link attributes.
- Review requirements: use verified submission links, checklists, and reusable copy.
- Track work: add sources to a website workspace and record submission progress. Users can first research the rules and required effort of sources, then manage their outreach work in one place.
Use cases Suitable for individuals or teams that need to systematically carry out link building, compare the rules and effort of different sources, and track outreach submission progress. The product directory is also suitable for users who want to discover indie developer products or submit their own product information.
Limitations Free accounts can list up to 3 websites, and must add a visible dofollow PortBackLinks badge to each homepage. Pro listings do not require this badge. Other feature details, pricing, and platform support information are not yet provided.
