Buffer Flush Fix
v1.0by openwrite · updated 7 years ago
If you've run into the error "failed to send buffer of zlib output compression" with WordPress, this simple plugin fixes the issue.
- Rank
- #46,640
- No change yet
- Active installs (est.)
- ≈ 12
- 10+ reported · High
- Total downloads
- 1.5K
- 1,512 all-time
- Rating
- –
- 0 reviews
- Support resolved
- –
- 0 of 0 threads, last 2 months
Buffer Flush Fix at a glance
Buffer Flush Fix is a WordPress plugin by openwrite with 10+ active installs, the #46,640 most popular plugin on WordPress.org. It has no reviews yet. Version 1.0 came out on Oct 4, 2019, more than 7 years ago. It is tested up to WordPress 5.2.30. It was first released in 2019.
Chart time range
Applies to every chart below. History from Oct 27, 2026, 13 days.
Downloads over time
Download stats22 downloads · the last 30 days
View as table
| Date | Buffer Flush Fix |
|---|---|
| Nov 8, 2026 | 11 |
| Nov 7, 2026 | 0 |
| Nov 6, 2026 | 0 |
| Nov 5, 2026 | 0 |
| Nov 4, 2026 | 0 |
| Nov 3, 2026 | 0 |
| Nov 2, 2026 | 0 |
| Nov 1, 2026 | 0 |
| Oct 31, 2026 | 0 |
| Oct 30, 2026 | 0 |
| Oct 29, 2026 | 11 |
| Oct 28, 2026 | 0 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 12 · -25.0% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 8, 2026 | 12 |
| Nov 7, 2026 | 11 |
| Nov 5, 2026 | 13 |
| Nov 4, 2026 | 13 |
| Nov 3, 2026 | 13 |
| Nov 2, 2026 | 13 |
| Nov 1, 2026 | 12 |
| Oct 31, 2026 | 15 |
| Oct 30, 2026 | 15 |
| Oct 29, 2026 | 15 |
| Oct 28, 2026 | 15 |
| Oct 27, 2026 | 16 |
Rank over time
#46,640 · down 11,370 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 8, 2026 | #46,640 |
| Nov 6, 2026 | #47,844 |
| Nov 2, 2026 | #42,992 |
| Nov 1, 2026 | #46,439 |
| Oct 30, 2026 | #37,890 |
| Oct 27, 2026 | #35,270 |
Growth %
Average -2.37% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 8, 2026 | +9.09% |
| Nov 7, 2026 | -7.69% |
| Nov 5, 2026 | 0.00% |
| Nov 4, 2026 | 0.00% |
| Nov 3, 2026 | 0.00% |
| Nov 2, 2026 | +8.33% |
| Nov 1, 2026 | -20.00% |
| Oct 31, 2026 | 0.00% |
| Oct 30, 2026 | 0.00% |
| Oct 29, 2026 | 0.00% |
| Oct 28, 2026 | -6.25% |
Active installs band
10+ on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| 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 Buffer Flush Fix 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.org- Tested up to 5.2.29 → 5.2.30
Versions in use
Share of active installs on each published version, from WordPress.org.
- v1.0100%
Requirements & info
Version history- Version
- 1.0
- Requires WordPress
- 2.2
- Tested up to
- 5.2.30
- Requires PHP
- –
- First released
- Oct 4, 2019
- Last updated
- Oct 4, 2019
- Releases, last 12 months
- …
Questions about Buffer Flush Fix
How many websites use Buffer Flush Fix?
Buffer Flush Fix 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 #46,640 most popular plugin on WordPress.org.
How many times has Buffer Flush Fix been downloaded?
1,512 times in total since 2019.
When was Buffer Flush Fix last updated?
Version 1.0 came out on Oct 4, 2019 (7 years ago).
Is Buffer Flush Fix compatible with the latest WordPress?
Buffer Flush Fix’s readme says it’s tested up to WordPress 5.2.30, 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 Buffer Flush Fix still maintained?
Its last release was 7 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.
What rating does Buffer Flush Fix have?
No one has reviewed Buffer Flush Fix on WordPress.org yet.
Compare with competitors
Add up to 1 competitor. No account needed.
| Metric | |
|---|---|
| Estimated installs | ≈ 12 |
| Reported installs | 10+ |
| Rating | – |
| Reviews | 0 |
| Total downloads | 1.5K |
| Author | openwrite |
| First released | Oct 4, 2019 |
| Version | 1.0 |
| Requires WP | 2.2 |
| Requires PHP | – |
| Last updated | Oct 4, 2019 |