Description:
MainWP Regression Testing Extension is an add-on for the MainWP Dashboard that helps agencies and developers monitor child sites for unexpected changes after updates. Instead of relying on pixel comparisons like visual regression tools, it analyzes the complete rendered HTML output of each site. This lets it detect real changes such as missing meta tags, altered JavaScript, content shifts, and modifications to HTML structure or inline styles that visual tools can miss.
The extension includes a side-by-side diff view that shows what changed between two versions of a site, with additions highlighted in green and deletions in red. Tests can run automatically after plugin, theme, or core updates, be scheduled at regular intervals to catch gradual changes, or be triggered manually at any time from the MainWP Dashboard.
Scans run from the MainWP Dashboard rather than on individual client sites, so the extension has minimal performance impact on the monitored sites. There is no limit to the number of sites that can be monitored, and the extension works across an entire network without per-site fees. It is available as a Pro extension from the developer MainWP.
The vendor’s own page for MainWP Regression Testing Extension has the full details.
Main Features of MainWP Regression Testing Extension:
- Tracks modifications in HTML structure, content, meta tags, JavaScript, and inline styles
- Detects meaningful code-level changes instead of relying on pixel comparisons
- Side-by-side diff view highlights additions in green and deletions in red
- Runs automatic tests after plugin, theme, or core updates
- Supports scheduled periodic checks and manual tests from the MainWP Dashboard
- Monitors all client sites from one dashboard with no per-site fees
- Scans run from the MainWP Dashboard, not on individual client sites
EffectIO members receive updates through the managed update channel. Install the EffectIO Connect plugin on your site and it handles activation, updates and licensing automatically.
Need a dashboard view of all your EffectIO assets? The EffectIO Dashboard shows what is installed, what is licensed, and what has an update available.
The 5.2 version stays on this update channel for the subscription year.











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