Specify a Vary: Accept-Encoding Header
by lithiumsixteen 4 (4 reviews)

Specify a Vary: Accept-Encoding Header

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

Specify a Vary ranks #12,960 among WordPress.org plugins with 200+ active installations, is #300 of 1,658 in the Performance category, a 4/5 rating from 4 reviews, and was last updated Apr 13, 2018. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 4.9 (Current: 7.1.4)
v1.0.0 Current Version v1.0.0
Updated 8 years ago Last Update on 13 Apr, 2018
Refreshed 1 week ago Last Refreshed on
#300 of 1,658 in Performance Top 25% by installs No update in over a year
View on WordPress.org
Rank
#12,960
— No change
Active Installs
200+
-12.3%
KW Avg Position
N/A
— No change
Downloads
5.8K
+6 today
Support Resolved
0%
— No change
Rating
80%
Review 4 out of 5
4 (4 reviews)

Next Milestone 300

Total Progress 10%
200+ 300+
1,974
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
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Rank Changes

12,312 12,636 12,960 13,284 13,608 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
12,905 12,927 12,948 12,969 12,991 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Current #12,960
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 10 20 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
0 10 20 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Downloads
Growth
Peak

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Reviews & Ratings

4.0
4 reviews
Overall 80%
5
3 (75%)
4
0 (0%)
3
0 (0%)
2
0 (0%)
1
1 (25%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Specify a Vary. Checked 3 months ago.

TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who want a lightweight fix for the missing Vary: Accept-Encoding header warning. It solves this by adding a single rewrite rule to the site's .htaccess file so caches correctly account for content encoding, without adding unrelated performance features.

  • Adds Vary Accept-Encoding header
  • Modifies .htaccess rewrite rule
  • Targets js, css, xml, gz, html files
  • Single-purpose, no bloat
  • Boosts website performance

Frequently Asked Questions

Common questions about Specify a Vary: Accept-Encoding Header

Specify a Vary: Accept-Encoding Header has 200+ active installations on the WordPress.org plugin directory.
Specify a Vary: Accept-Encoding Header holds a 4 out of 5 star rating based on 4 user reviews on WordPress.org.
Specify a Vary: Accept-Encoding Header is developed by lithiumsixteen and published on the official WordPress.org plugin repository.
Specify a Vary: Accept-Encoding Header requires WordPress 3.0.1 or higher, is tested up to WordPress 4.9 and needs PHP 5.2 or newer.
Specify a Vary: Accept-Encoding Header has been downloaded 5,755+ times from WordPress.org.
The latest version of Specify a Vary: Accept-Encoding Header is 1.0.0. It was last updated on April 13, 2018.
Yes. Specify a Vary: Accept-Encoding Header is a free WordPress plugin available to download and install from the WordPress.org plugin directory.

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