Deprecation Checker
v0.1by Brian Fegter · updated 14 years ago
Deprecation Checker simply scans your plugins, themes, and custom directories for deprecated functions.
- Rank
- #30,125
- Down4 vs yesterday
- Active installs (est.)
- ≈ 16
- 10+ reported · High
- Total downloads
- 3.7K
- 3,692 all-time
- Rating
- 5.0/5
- 2 reviews
- Support resolved
- –
- 0 of 0 threads, last 2 months
Deprecation Checker at a glance
Deprecation Checker is a WordPress plugin by Brian Fegter with 10+ active installs, the #30,125 most popular plugin on WordPress.org. On a typical day it’s downloaded about 1 time, 50% fewer than the month before. It’s rated 5.0 out of 5 from 2 reviews. Version 0.1 came out on Feb 29, 2012, more than 14 years ago. It is tested up to WordPress 3.3.2. Among the 2 plugins tagged “deprecation”, it ranks #2. It was first released in 2012.
Chart time range
Applies to every chart below. History from Oct 10, 2026, 31 days.
Downloads over time
Download stats27 downloads · the last 30 days
View as table
| Date | Deprecation Checker |
|---|---|
| Nov 3, 2026 | 0 |
| Nov 2, 2026 | 0 |
| Nov 1, 2026 | 1 |
| Oct 31, 2026 | 2 |
| Oct 30, 2026 | 1 |
| Oct 29, 2026 | 0 |
| Oct 28, 2026 | 1 |
| Oct 27, 2026 | 2 |
| Oct 26, 2026 | 2 |
| Oct 25, 2026 | 2 |
| Oct 24, 2026 | 2 |
| Oct 23, 2026 | 0 |
| Oct 22, 2026 | 0 |
| Oct 21, 2026 | 0 |
| Oct 20, 2026 | 0 |
| Oct 19, 2026 | 3 |
| Oct 18, 2026 | 2 |
| Oct 17, 2026 | 2 |
| Oct 16, 2026 | 0 |
| Oct 15, 2026 | 2 |
| Oct 14, 2026 | 0 |
| Oct 13, 2026 | 1 |
| Oct 12, 2026 | 0 |
| Oct 11, 2026 | 2 |
| Oct 10, 2026 | 2 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 16 · -15.8% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 9, 2026 | 16 |
| Nov 8, 2026 | 16 |
| Nov 7, 2026 | 16 |
| Nov 5, 2026 | 17 |
| Nov 4, 2026 | 17 |
| Nov 3, 2026 | 17 |
| Nov 2, 2026 | 17 |
| Nov 1, 2026 | 17 |
| Oct 31, 2026 | 17 |
| Oct 30, 2026 | 17 |
| Oct 29, 2026 | 17 |
| Oct 28, 2026 | 17 |
| Oct 27, 2026 | 19 |
Rank over time
#30,125 · down 1,007 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | #30,125 |
| Nov 8, 2026 | #30,121 |
| Nov 7, 2026 | #30,111 |
| Nov 6, 2026 | #30,115 |
| Nov 5, 2026 | #29,994 |
| Nov 3, 2026 | #29,621 |
| Oct 31, 2026 | #29,593 |
| Oct 27, 2026 | #29,118 |
Growth %
Average -1.31% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 9, 2026 | 0.00% |
| Nov 8, 2026 | 0.00% |
| Nov 7, 2026 | -2.94% |
| Nov 5, 2026 | 0.00% |
| Nov 4, 2026 | 0.00% |
| Nov 3, 2026 | 0.00% |
| Nov 2, 2026 | 0.00% |
| Nov 1, 2026 | 0.00% |
| Oct 31, 2026 | 0.00% |
| Oct 30, 2026 | 0.00% |
| Oct 29, 2026 | 0.00% |
| Oct 28, 2026 | -10.53% |
Active installs band
10+ on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | 10+ |
| Nov 8, 2026 | 10+ |
| Nov 7, 2026 | 10+ |
| Nov 6, 2026 | 10+ |
| Nov 5, 2026 | 10+ |
| Nov 4, 2026 | 10+ |
| Nov 3, 2026 | 10+ |
| Nov 2, 2026 | 10+ |
| Nov 1, 2026 | 10+ |
| Oct 31, 2026 | 10+ |
| Oct 30, 2026 | 10+ |
| Oct 29, 2026 | 10+ |
| Oct 28, 2026 | 10+ |
| Oct 27, 2026 | 10+ |
Search rankings
Where it appears in WordPress.org search for the searches you track, checked every day.
See where Deprecation Checker ranks in search
Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.
Change log
From our daily snapshot of WordPress.orgNo changes yet. When this plugin's name, short description, tags, “Tested up to” or version change, they show here with what happened to its rank next.
Versions in use
Share of active installs on each published version, from WordPress.org.
- v0.1100%
Rating trend
5.0★★★★★2 reviews · steady in the last 30 days
Requirements & info
Version history- Version
- 0.1
- Requires WordPress
- 3.3
- Tested up to
- 3.3.2
- Requires PHP
- –
- First released
- Feb 29, 2012
- Last updated
- Feb 29, 2012
- Releases, last 12 months
- …
Questions about Deprecation Checker
How many websites use Deprecation Checker?
Deprecation Checker is active on 10+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #30,125 most popular plugin on WordPress.org.
How many times has Deprecation Checker been downloaded?
3,692 times in total since 2012. On a typical day it’s downloaded about 1 times. See download stats
When was Deprecation Checker last updated?
Version 0.1 came out on Feb 29, 2012 (14 years ago).
Is Deprecation Checker compatible with the latest WordPress?
Deprecation Checker’s readme says it’s tested up to WordPress 3.3.2, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.
Is Deprecation Checker still maintained?
Its last release was 14 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.
What rating does Deprecation Checker have?
5.0 out of 5 from 2 reviews on WordPress.org.
What are the best alternatives to Deprecation Checker?
The plugins most like Deprecation Checker, by the tags they share, are Disable Deprecated Warnings (50+), Check Conflicts (1K+) and Log Deprecated Notices (900+). Compare all alternatives
Latest reviews
Analyze reviewsReview stats
5.0
★★★★★
2 reviews
- 5 stars: 2 reviews, 100%
- 4 stars: 0 reviews, 0%
- 3 stars: 0 reviews, 0%
- 2 stars: 0 reviews, 0%
- 1 stars: 0 reviews, 0%
- Positive
- 100%4–5★
- Mixed
- 0%3★
- Critical
- 0%1–2★
Compare with competitors
Add up to 1 competitor. No account needed.
| Metric | |
|---|---|
| Estimated installs | ≈ 16 |
| Reported installs | 10+ |
| Rating | 5.0 |
| Reviews | 2 |
| Total downloads | 3.7K |
| Author | Brian Fegter |
| First released | Feb 29, 2012 |
| Version | 0.1 |
| Requires WP | 3.3 |
| Requires PHP | – |
| Last updated | Feb 29, 2012 |
Alternatives to Deprecation Checker
Compare all alternativesPopular plugins with the same tags, the most in common first.
Disable Deprecated Warnings
by tamlyn
Prevents plugins from showing deprecated errors in the WordPress admin.
- Rank
- #20,284
- Installs
- 50+
- 4.0

Check Conflicts
by ioannup
The plugin allows you to disable/enable plugins and/or activate a default theme for checking conflict between them only for your IP; other users won&# …
- Rank
- #6,206
- Installs
- 1K+
- 4.7
Log Deprecated Notices
by Andrew Nacin
Logs the usage of deprecated files, functions, and function arguments, and identifies where the deprecated functionality is being used.
- Rank
- #7,176
- Installs
- 900+
- 5.0

Bumpcheck
by jolovicdev
Check PHP compatibility for every plugin and theme, PHP 8.0 to 8.6, before your host upgrades. Scans the files on your own server.
- Rank
- #18,304
- Installs
- 70+

Debug This
by Razvan Aldea
Peek under the hood with sixty debugging reports just one click away.
- Rank
- #4,831
- Installs
- 2K+
- 4.8
Kint PHP Debugger
by Tonya Mork
Kint is a modern and powerful PHP debugging helper, which requires zero-setup and replaces var_dump(), print_r() and debug_backtrace().
- Rank
- #17,025
- Installs
- 90+
- 5.0
Side by side:Deprecation Checker vs Disable Deprecated WarningsDeprecation Checker vs Check ConflictsDeprecation Checker vs Log Deprecated Notices
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