PluginSift

Spider Blocker vs HTAuth Sync (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Spider Blocker

Spider Blocker

4(5)

20K+ active installs

Free

Updated 1 year ago
View Spider Blocker
VS
HTAuth Sync

HTAuth Sync

0(0)

10 active installs

Free

Updated 12 years ago
View HTAuth Sync

Quick Verdict

As of April 2026, Spider Blocker has a higher user rating (4/5 from 5 reviews) and leads in active installations (20K+ vs 10). Both are free WordPress plugins. Spider Blocker has accumulated 612K+ total downloads while HTAuth Sync has 1.6K+.

Detailed Comparison

Rating
4/5Spider Blocker
◄
HTAuth SyncN/A
Total Reviews
5Spider Blocker
◄
HTAuth Sync0
Active Installs
20K+Spider Blocker
◄
HTAuth Sync10
Total Downloads
612K+Spider Blocker
◄
HTAuth Sync1.6K+
Support Resolution
N/ASpider Blocker
HTAuth SyncN/A
Last Updated
1 year agoSpider Blocker
◄
HTAuth Sync12 years ago
First Released
2015Spider Blocker
HTAuth Sync2013
Age
11 yearsSpider Blocker
HTAuth Sync13 years
WP Requires
4.0+Spider Blocker
HTAuth Sync3.5+
PHP Requires
false+Spider Blocker
HTAuth Syncfalse+
Business Model
FreeSpider Blocker
HTAuth SyncFree
Latest Version
1.3.7Spider Blocker
HTAuth Sync1.1

Rating Breakdown

Spider Blocker

4/5(5 reviews)
5
60%
4
0%
3
20%
2
20%
1
0%

HTAuth Sync

0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Spider Blocker Reviews

by hugrat

Too many concerns

Apparently you need to keep your htaccess readable all the time or the plugin turns off. I cannot find any info if the htaccess still needs the plugin to function after this. This does not make me fee

by Akshit Sethi

Perfect!

Does what it promises to do. No more bad bots to my WP blog 🙂

by deleted

Good first impression

I like that you can add additional bots. It does what it says and keeps the worst offenders of your page out of the box It also didn’t crash my multi site or disable admin or anything (like “Stop bad

HTAuth Sync Reviews

No reviews yet

Frequently Asked Questions

Is Spider Blocker or HTAuth Sync more popular?
Spider Blocker has 20K+ active installations while HTAuth Sync has 10. Spider Blocker is the more widely-used plugin as of April 2026.
Which has better ratings — Spider Blocker or HTAuth Sync?
Spider Blocker has a 4/5 rating from 5 reviews, while HTAuth Sync has a 0/5 rating from 0 reviews.
Are Spider Blocker and HTAuth Sync free?
Spider Blocker is free and HTAuth Sync is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Spider Blocker or HTAuth Sync?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Spider Blocker was last updated 1 year ago and HTAuth Sync was last updated 12 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.