SMTP King Pro vs WP 404 Auto Redirect to Similar Post
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
WP 404 Auto Redirect to Similar Post ranks #965 on the popular list; SMTP King Pro is outside the top 500 we capture daily. WP 404 Auto Redirect to Similar Post has the largest install base, roughly 3000× the next: 30K+ active installs against 10+ for SMTP King Pro. Downloads this week: WP 404 Auto Redirect to Similar Post 1,036 and SMTP King Pro 13. Ratings: SMTP King Pro 3★ from 1 and WP 404 Auto Redirect to Similar Post 4.9★ from 113 reviews.
| Metric | SMTP King Pro | WP 404 Auto Redirect to Similar Post |
|---|---|---|
| Popular rank today | outside top 500 | #965 ▲ 2 |
| Active installs | 10+ | 30K+ |
| Downloads, last 7 days | 13 | 1,036 |
| Rating | 3★ (1) | 4.9★ (113) |
| Last updated | Jan 12, 2014 | Nov 21, 2025 |
| Current version | 1.0.2 | 1.0.6 |
| Best rank on record | #34,524 | #953 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Nov 2013 | Apr 2017 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
- SMTP King Pro vs Redirection
- SMTP King Pro vs Attachment Pages Redirect
- SMTP King Pro vs Redirection
- SMTP King Pro vs 301 Redirects & 404 Error Log
- WP 404 Auto Redirect to Similar Post vs Redirection
- WP 404 Auto Redirect to Similar Post vs Redirection
- WP 404 Auto Redirect to Similar Post vs Link Juice Keeper
- WP 404 Auto Redirect to Similar Post vs Attachment Pages Redirect
Frequently asked questions
Which is more popular, SMTP King Pro or WP 404 Auto Redirect to Similar Post?
By active installs, WP 404 Auto Redirect to Similar Post: 30K+ sites run it against 10+ for SMTP King Pro, according to WordPress.org figures captured on October 29, 2026.
Are SMTP King Pro or WP 404 Auto Redirect to Similar Post alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.