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Welcome to the PSL wiki.

Here are some things to read about here on this Wiki:

• Design Issues related to the PSL
• How to format entries in the PSL
• Submission/Editorial Guidelines
• Important Security Considerations

Were you directed here to solve a specific tactical challenge?

• Working around cloudflare subdomain limits
• IOS 14 / Facebook Pixel see also #1245
• Let's Encrypt Limits

Here are some additional informational resources

• publicsuffix.org Website
• Learn More Detail
• About the PSL
• See the list
• Atom change feed
• Submitting Amendments