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Specify a Vary: Accept-Encoding Header

v1.0.0

by lithiumsixteen · updated 8 years ago

This plugin fixes a "Vary: Accept-Encoding Header" message and boosts website performance.

acceptperformancesecurityspeedvary
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#12,924
Up2 vs yesterday
Active installs (est.)
≈ 214
200+ reported · High
Total downloads
6.2K
6,195 all-time
Rating
4.0/5
4 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +0% (30d)·Toward 300+ · ETA unknown

Specify a Vary at a glance

Specify a Vary is a WordPress plugin by lithiumsixteen with 200+ active installs, the #12,924 most popular plugin on WordPress.org. On a typical day it’s downloaded about 4 times, about the same as the month before. It’s rated 4.0 out of 5 from 4 reviews. Version 1.0.0 came out on Apr 13, 2018, more than 8 years ago. It is tested up to WordPress 4.9.35. Among the 7 plugins tagged “accept”, it ranks #2. It was first released in 2018.

Chart time range

Applies to every chart below. History from Oct 10, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

101 downloads · the last 30 days

Downloads over time
Specify a Vary Compare series
Downloads over time: 29 days across 1 series.0510Oct 10Oct 15Oct 19Oct 24Oct 29Nov 2Nov 7Oct 29, 2026: Tested up to 4.9.35
View as table
DateSpecify a Vary
Nov 7, 20263
Nov 6, 20266
Nov 5, 20260
Nov 4, 20264
Nov 3, 20266
Nov 2, 202613
Nov 1, 202612
Oct 31, 20263
Oct 30, 20261
Oct 29, 20262
Oct 28, 20262
Oct 27, 20264
Oct 26, 20264
Oct 25, 20264
Oct 24, 20264
Oct 23, 20261
Oct 22, 20261
Oct 21, 20262
Oct 20, 20260
Oct 19, 20265
Oct 18, 20263
Oct 17, 20262
Oct 16, 20262
Oct 15, 20262
Oct 14, 20264
Oct 13, 20264
Oct 12, 20261
Oct 11, 20261
Oct 10, 20265

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 214 · -0.9% in the last 30 days

Estimated installs
Estimated installs: 13 days across 1 series.212214216Oct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 4.9.35
View as table
DateEstimated installs
Nov 9, 2026214
Nov 8, 2026214
Nov 7, 2026214
Nov 5, 2026213
Nov 4, 2026214
Nov 3, 2026212
Nov 2, 2026213
Nov 1, 2026213
Oct 31, 2026213
Oct 30, 2026212
Oct 29, 2026214
Oct 28, 2026215
Oct 27, 2026216

Rank over time

#12,924 · down 2 in the last 30 days

Popular rank
Popular rank: 14 days across 1 series.#13KOct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 4.9.35
View as table
DateDaily snapshot
Nov 9, 2026#12,924
Nov 8, 2026#12,926
Nov 7, 2026#12,933
Nov 6, 2026#12,918
Nov 5, 2026#12,949
Nov 4, 2026#12,929
Nov 3, 2026#12,982
Nov 2, 2026#12,958
Nov 1, 2026#12,977
Oct 31, 2026#12,964
Oct 30, 2026#12,990
Oct 29, 2026#12,930
Oct 28, 2026#12,932
Oct 27, 2026#12,922

Growth %

Average -0.07% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 12 days across 1 series.-1%0%1%Oct 28Oct 30Nov 1Nov 3Nov 5Nov 7Nov 9
View as table
DateGrowth
Nov 9, 20260.00%
Nov 8, 20260.00%
Nov 7, 2026+0.23%
Nov 5, 2026-0.47%
Nov 4, 2026+0.94%
Nov 3, 2026-0.47%
Nov 2, 20260.00%
Nov 1, 20260.00%
Oct 31, 2026+0.47%
Oct 30, 2026-0.94%
Oct 29, 2026-0.47%
Oct 28, 2026-0.46%

Active installs band

200+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.190200210Oct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 4.9.35
View as table
DateDaily snapshot
Nov 9, 2026200+
Nov 8, 2026200+
Nov 7, 2026200+
Nov 6, 2026200+
Nov 5, 2026200+
Nov 4, 2026200+
Nov 3, 2026200+
Nov 2, 2026200+
Nov 1, 2026200+
Oct 31, 2026200+
Oct 30, 2026200+
Oct 29, 2026200+
Oct 28, 2026200+
Oct 27, 2026200+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where Specify a Vary ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #12932 → #12949Downloads +100%
    • Tested up to 4.9.34 → 4.9.35

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v1.0100%

Rating trend

4.0★★★★★4 reviews · steady in the last 30 days

Requirements & info

Version history
Version
1.0.0
Requires WordPress
3.0.1
Tested up to
4.9.35
Requires PHP
5.2
First released
Apr 13, 2018
Last updated
Apr 13, 2018
Releases, last 12 months
…

Questions about Specify a Vary

How many websites use Specify a Vary?

Specify a Vary is active on 200+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #12,924 most popular plugin on WordPress.org.

How many times has Specify a Vary been downloaded?

6,195 times in total since 2018. On a typical day it’s downloaded about 4 times. See download stats

When was Specify a Vary last updated?

Version 1.0.0 came out on Apr 13, 2018 (8 years ago).

Is Specify a Vary compatible with the latest WordPress?

Specify a Vary’s readme says it’s tested up to WordPress 4.9.35, 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 Specify a Vary still maintained?

Its last release was 8 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.

What rating does Specify a Vary have?

4.0 out of 5 from 4 reviews on WordPress.org.

What are the best alternatives to Specify a Vary?

The plugins most like Specify a Vary, by the tags they share, are Speed Optimizer (1M+), Jetpack Boost (200K+) and Advanced Database Cleaner (100K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.0

★★★★★

4 reviews

  • 5 stars: 3 reviews, 75%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 0 reviews, 0%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 1 reviews, 25%
Positive
75%4–5★
Mixed
0%3★
Critical
25%1–2★
  • About 1 more 5★ reviews would lift it to 4.1.
  • Each new 1★ review takes 3 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Specify a Vary
Suggested:
Metric
Specify a Vary
Estimated installs≈ 214
Reported installs200+
Rating4.0
Reviews4
Total downloads6.2K
Authorlithiumsixteen
First releasedApr 13, 2018
Version1.0.0
Requires WP3.0.1
Requires PHP5.2
Last updatedApr 13, 2018

Alternatives to Specify a Vary

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Specify a Vary vs Speed OptimizerSpecify a Vary vs Jetpack BoostSpecify a Vary vs Advanced Database Cleaner