Matomo Not Working? Common Errors & Fixes
The 11 Matomo problems users hit most often, why they happen, and the fixes that actually work — collected from user reports, forums, and official support docs.
Matomo Shows No Data (There Is No Data for This Report)
Workaround availableMatomo Cloud, Matomo On-Premise, WordPressIf Matomo shows no data, first open Visitors > Visits log for today. If visits appear, archiving is the problem; if not, the tracking code, an ad blocker, Do Not Track or consent settings are stopping tracking.
Matomo Reports Not Updating (Archiving Cron Not Working)
Fixed in latest versionMatomo On-PremiseIf visits show in the Visits log but reports are stale or flat, archiving is not running. Set up a core:archive cron job as the correct user, then disable browser-triggered archiving.
Matomo for WordPress Not Showing Statistics
Workaround availableWordPressIf Matomo for WordPress shows no stats, check the Visits Log first, then Diagnostics > Crons to see when archiving last ended. Failed WP-Cron archiving is the usual cause.
Matomo 'Oops... There Was a Problem During the Request' Error
Workaround availableMatomo On-PremiseThis generic error is usually fixed by setting up cron archiving, then checking web server logs for 403, 500 or 502 errors, file permissions, PHP memory and plugin conflicts.
Matomo Archiving Slow or Out of Memory on Large Sites
Workaround availableMatomo On-PremiseDisable browser archiving, run core:archive on a schedule, raise memory only for the archiver, trim segments, and use queued tracking with Redis and a tuned database on high-traffic sites.
Matomo Blocked by Ad Blockers (Undercounting Visitors)
Workaround availableMatomo Cloud, Matomo On-PremiseAd blockers and privacy extensions can stop Matomo's tracker and cause 5-10% fewer visits than other tools. Test in a clean window, then serve the tracker from your own domain to reduce blocking.
Why Matomo Numbers Differ From Google Analytics and Search Console
Workaround availableMatomo Cloud, Matomo On-PremiseMatomo counts visits (not clicks), honours Do Not Track, loses some visits to ad blockers and applies exclusions, so totals rarely match Google tools. Check time zone, date range and exclusions first.
How to Exclude Your Own Visits in Matomo
Fixed in latest versionMatomo Cloud, Matomo On-PremiseAdd your IP under the website settings or set the ignore cookie from Personal Settings. Exclusions are not retroactive, so old visits stay in the reports.
Matomo 'Keyword Not Defined' (Missing Search Keywords)
Workaround availableMatomo Cloud, Matomo On-PremiseSearch engines no longer send keywords, so Matomo shows 'Keyword not defined'. Connect Google Search Console with a Domain property to get aggregated keywords.
Does Matomo Need a Cookie Banner? Consent and GDPR Setup
OngoingMatomo Cloud, Matomo On-PremiseMatomo can run without a banner only when configured to meet the CNIL exemption in France; elsewhere in the EU you usually need consent. If a consent manager is active, tracking waits for opt-in.
How to Cancel Matomo Subscription (Cloud and Plugins)
Fixed in latest versionWeb (Matomo Cloud), shop.matomo.orgCancel Matomo Cloud from the Administration gear icon > Account in your Matomo account; emailing support does not count. It takes effect at the end of the billing cycle, with no proration and no refund per the Cloud terms.
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