A Compendium of
Web Addresses
A charted atlas of 125709 sites across 22 indexed territories.
The Index
Add your site to Threshold55
Choose a territory and submit your domain. Entries are reviewed and added to the atlas within 24 hours, at no charge. Free entry. Permanent record.
Recently Added
Common Inquiries
What is Threshold55?
Threshold55 is a free web atlas that charts and indexes sites across 22 territories. Each entry is filed by domain and reviewed before being added to the public record. The atlas currently holds 830 approved entries.
Is it free to add my site?
Yes. Submitting a site to Threshold55 costs nothing. Approved entries are filed in the atlas and remain on record without charge or renewal fees.
How are sites organised?
The Threshold55 atlas divides sites into 22 territories, from the Adult Survey and Motorist Dispatch to the Travel Section and Technology Territory. Each site is filed in the territory that best matches its subject.
How do I submit a site?
Use the Add Site form on any territory page. Fill in your domain, choose the territory that fits best, and submit. Entries are reviewed and added to the atlas within 24 hours.
Are submissions reviewed before going live?
Yes. Each submitted site is reviewed by the Threshold55 team before being entered into the atlas. This process keeps the index useful and the record accurate.
How long does it take to get listed?
Approved entries typically appear in the atlas within 24 hours of submission. The review process is handled on our end and requires no follow-up from you.
Can I browse without an account?
Yes. The Threshold55 atlas is fully open for browsing. No account or registration is required to view any territory or entry.
About the Threshold55 Index
Threshold55 is a free web atlas that charts and indexes reviewed sites across 22 classified territories. The atlas currently records 830 approved entries, each filed by domain, title, and description within the territory that best matches its subject. Submissions are open to any active site and are reviewed before being entered into the atlas. Coverage spans wagering services and healthcare platforms to travel operators, technology firms, and legal practices. The Threshold55 index functions as a standing reference dispatch for anyone navigating the range of resources available on the open web.