Compare domain inventories, referring-domain exports, or URL lists while handling www prefixes, protocol differences, trailing slashes, and duplicates.
5 min readBy Comparable List Editorial Team
A useful list comparison starts with a clear decision, not an upload. This workflow keeps the comparison in your browser and makes the matching rules visible, so the resulting exception list can be reviewed rather than blindly acted upon.
Decide whether your unit is a hostname, root domain, or complete URL. A complete URL should not be compared to a root-domain export without first making that choice.
Paste one hostname or URL per line. Keep exports from the same date and scope; a production crawl and a staging crawl answer different questions.
Use the Domain preset for case and whitespace. Apply an explicit Find/Replace rule only when you intend to remove a shared prefix such as www. or a trailing slash.
Check several Common values manually before acting on Only in A and Only in B. Export the difference for redirects, outreach, or monitoring work.
Ready to check your data?
The tool runs locally in your browser. Review the result before you act on it, especially when a list contains customer, account, or operational data.
Open domain list compareNeed a spreadsheet column selector? Try CSV & Excel compare. For a general workflow, return to the two-list comparator or browse all data-cleaning guides.