Privacy
The short version: there are no accounts, no tracking pixels, no advertising, and nothing about you is sold or shared, because none of it is collected.
What is stored in your browser
Reports you audit are remembered in your browser's local storage so the site can offer them back to you as a recent list. That never leaves your device, is not readable by this server, and clearing your browser data removes it. No cookies are set for tracking or advertising.
What the server keeps
Warcraft Logs reports are cached on the server so a report analysed once does not have to be fetched again — that cache holds public log data, not personal data about you. Ordinary web server logs (IP address, page requested, timestamp) exist for troubleshooting and abuse handling, and are not used to build a profile of anyone.
Data from Warcraft Logs
Character names, guild names and raid performance shown here come from publicly visible Warcraft Logs reports uploaded by players. If you want a report removed from view, the place to change that is Warcraft Logs itself — this site reads what is public there. A guild that would rather not appear in the directory can ask to be removed.
Third parties
Item and spell tooltips are loaded from Wowhead, which means your browser contacts Wowhead when a page with tooltips is open. Nothing else is embedded: no analytics service, no advertising network, no social widgets.