by
bsha100
0 (0 reviews)
WPHI Diagnostic Suite Lite
Find what's breaking or slowing your site: grouped PHP errors, a change timeline, database, cron, plugin, mail and hosting checks. Read-only.
WPHI Diagnostic Suite Lite ranks #67,332 among WordPress.org plugins with 0+ active installations, is #3,855 of 5,058 in the Security category, and was last updated Sep 29, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Compatible with WP 7.1.4
v3.4.0
Current Version v3.4.0
Updated 1 month ago
Last Update on 29 Sep, 2026
Refreshed 1 week ago
Last Refreshed on
#3,855 of 5,058 in Security
Rank
#67,332
—
No change
Active Installs
0+
-100%
KW Avg Position
N/A
—
No change
Downloads
746
+3 today
Support Resolved
0%
—
No change
Rating
0%
Review 0 out of 5
0
(0 reviews)
Next Milestone 10
0+
10+
39,764
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
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Rank Changes
Current
#67,332
Change
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0.0
0 reviews
Overall
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5
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(0%)
4
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2
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1
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- Version
- 3.4.0
- Last Updated
- Sep 29, 2026
- Requires WP
- 6.0+
- Tested Up To
- 7.1.4
- PHP Version
- 8.0 or higher
- Author
- bsha100
Support & Rating
- Rating
- ☆ ☆ ☆ ☆ ☆ 0
- Reviews
- 0
- Support Threads
- 0
- Resolved
- 0%
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Frequently Asked Questions
Common questions about WPHI Diagnostic Suite Lite
Most likely a recent change is responsible: a plugin update, an activation, a core update or a theme switch. What Changed? plots all of those on the same timeline as your PHP errors and scores how likely each change is to have caused them, so you can see which change lines up with the moment things broke instead of guessing.
No. The plugin captures PHP errors itself, so the Error Log works with debugging switched off. If you do have a debug.log or a server error log, it reads those too.
Open the Error Log page. It groups identical errors, rates each group by severity, shows the first and last time it happened, how often, and the file and line, and gives you a fix guide with the offending code highlighted. It also warns you if your debug.log can be downloaded from the web.
The Mail Health page shows how your site sends mail, checks the DNS records that decide whether your email is trusted (SPF, DKIM, DMARC and MX), and lets you send yourself a test email that shows the actual error if it fails.
Run the Hosting Benchmark. It times your database, PHP, file system and home page response and grades each one. If those look fine, check Database Health, Autoload Governor and Asset Inspector for the usual causes of a slow site.
Lite gives you 14 fully working diagnostic modules plus the health score dashboard, for one site. Nothing is locked or time-limited. Pro adds more modules for teams and agencies, including automated Root Cause Analysis, a Conflict Detector, Fleet Sync for monitoring many sites from one dashboard, and integrations that file errors straight to your task tracker.
No. It only reads from the database. The small amount of data it keeps for itself, such as captured errors and change snapshots, is stored as protected files in its own plugin folder and removed when you delete the plugin.
Yes. It's designed for production. Nothing is loaded for visitors, and nothing on your site is changed.
No. The plugin only runs its checks when an administrator opens one of its pages, and there is no background processing. On every request it registers a lightweight error handler so PHP errors can be recorded, which adds no database queries. The What Changed? timeline takes a small snapshot when plugins, themes or WordPress are updated, activated or switched, and when you open its page.
Each pairing of an error and a change gets a score from 0 to 99. Matches on file path, where the error comes from inside the plugin or theme that changed, score 70–90 whatever the timing. Matches on timing alone score from 5 up to 99 depending on how close together the change and the errors were, and how precisely the change time is known.
