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Security Headers

v1.1

by SimonRWaters · updated 7 years ago

Plug-in to ease the setting of TLS headers for HSTS and similar

hstshttpsnosnifftls
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#3,775
Up3 vs yesterday
Active installs (est.)
≈ 3,530
3K+ reported · High
Total downloads
49.7K
49,685 all-time
Rating
5.0/5
8 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +21.4% (30d)·Toward 4K+ · ETA ~19d

Security Headers at a glance

Security Headers is a WordPress plugin by SimonRWaters with 3K+ active installs, the #3,775 most popular plugin on WordPress.org. On a typical day it’s downloaded about 19 times, 21% more than the month before. It’s rated 5.0 out of 5 from 8 reviews. Version 1.1 came out on Feb 26, 2019, more than 7 years ago. It is tested up to WordPress 5.1.28. It leads the 2 plugins tagged “nosniff”. It was first released in 2015.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

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

Downloads over time

Download stats

448 downloads · the last 30 days

Downloads over time
Security Headers Compare series
Downloads over time: 27 days across 1 series.1020Oct 9Oct 13Oct 18Oct 22Oct 26Oct 31Nov 4Oct 29, 2026: Tested up to 5.1.28
View as table
DateSecurity Headers
Nov 4, 202616
Nov 3, 202622
Nov 2, 202620
Nov 1, 202624
Oct 31, 202615
Oct 30, 202618
Oct 29, 202617
Oct 28, 202613
Oct 27, 202622
Oct 26, 202617
Oct 25, 202615
Oct 24, 202619
Oct 23, 202619
Oct 22, 202622
Oct 21, 202626
Oct 20, 202617
Oct 19, 202621
Oct 18, 20267
Oct 17, 202612
Oct 16, 202618
Oct 15, 20269
Oct 14, 202617
Oct 13, 202610
Oct 12, 20268
Oct 11, 202613
Oct 10, 202618
Oct 9, 202613

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 3,532 · -0.5% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.3.5K3.5KOct 27Oct 29Oct 31Nov 2Nov 4Nov 8Oct 29, 2026: Tested up to 5.1.28
View as table
DateEstimated installs
Nov 8, 20263,532
Nov 7, 20263,530
Nov 5, 20263,531
Nov 4, 20263,527
Nov 3, 20263,526
Nov 2, 20263,526
Nov 1, 20263,526
Oct 31, 20263,535
Oct 30, 20263,538
Oct 29, 20263,543
Oct 28, 20263,545
Oct 27, 20263,548

Rank over time

#3,775 · down 34 in the last 30 days

Popular rank
Popular rank: 14 days across 1 series.#3.7K#3.8K#3.8KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 5.1.28
View as table
DateDaily snapshot
Nov 8, 2026#3,775
Nov 7, 2026#3,778
Nov 6, 2026#3,772
Nov 5, 2026#3,774
Nov 4, 2026#3,779
Nov 3, 2026#3,778
Nov 2, 2026#3,774
Nov 1, 2026#3,776
Oct 31, 2026#3,771
Oct 30, 2026#3,769
Oct 29, 2026#3,766
Oct 28, 2026#3,771
Oct 27, 2026#3,769
Oct 16, 2026#3,741

Growth %

Average -0.04% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-0.2%0%0.2%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 2026+0.06%
Nov 7, 2026-0.01%
Nov 5, 2026+0.11%
Nov 4, 2026+0.03%
Nov 3, 20260.00%
Nov 2, 20260.00%
Nov 1, 2026-0.26%
Oct 31, 2026-0.09%
Oct 30, 2026-0.14%
Oct 29, 2026-0.06%
Oct 28, 2026-0.09%

Active installs band

3K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.2.9K3K3.1KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 5.1.28
View as table
DateDaily snapshot
Nov 8, 20263K+
Nov 7, 20263K+
Nov 6, 20263K+
Nov 5, 20263K+
Nov 4, 20263K+
Nov 3, 20263K+
Nov 2, 20263K+
Nov 1, 20263K+
Oct 31, 20263K+
Oct 30, 20263K+
Oct 29, 20263K+
Oct 28, 20263K+
Oct 27, 20263K+
Oct 16, 20263K+

Search rankings

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

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Change log

From our daily snapshot of WordPress.org
  1. Rank #3771 → #3774
    • Tested up to 5.1.27 → 5.1.28

Versions in use

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

  • v1.197%
  • Other2.8%

Rating trend

5.0★★★★★8 reviews · steady in the last 30 days

Requirements & info

Version history
Version
1.1
Requires WordPress
3.8.1
Tested up to
5.1.28
Requires PHP
5.6
First released
Apr 10, 2015
Last updated
Feb 26, 2019
Releases, last 12 months
…

Questions about Security Headers

How many websites use Security Headers?

Security Headers is active on 3K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #3,775 most popular plugin on WordPress.org.

How many times has Security Headers been downloaded?

49,685 times in total since 2015. On a typical day it’s downloaded about 19 times. See download stats

When was Security Headers last updated?

Version 1.1 came out on Feb 26, 2019 (7 years ago). See every release

Is Security Headers compatible with the latest WordPress?

Security Headers’s readme says it’s tested up to WordPress 5.1.28, 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.

Does Security Headers have known security vulnerabilities?

No. WPVulnerability’s database lists no known vulnerabilities for Security Headers. See its security record

Is Security Headers 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 Security Headers have?

5.0 out of 5 from 8 reviews on WordPress.org. 100% of them give 5 stars.

What are the best alternatives to Security Headers?

The plugins most like Security Headers, by the tags they share, are HSTS Ready (3K+), LH HSTS (600+) and Zen Site Security (60+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

5.0

★★★★★

8 reviews

  • 5 stars: 8 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.

Starter · 1 competitor
Security Headers
Suggested:
Metric
Security Headers
Estimated installs≈ 3,530
Reported installs3K+
Rating5.0
Reviews8
Total downloads49.7K
AuthorSimonRWaters
First releasedApr 10, 2015
Version1.1
Requires WP3.8.1
Requires PHP5.6
Last updatedFeb 26, 2019

Alternatives to Security Headers

Compare all alternatives

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

Side by side:Security Headers vs HSTS ReadySecurity Headers vs LH HSTSSecurity Headers vs Zen Site Security