Head-to-head · October 2026
Speculative Loading vs WP Javascript Detect
Speculative Loading comes out ahead, winning 6 of 7 head-to-head checks against WP Javascript Detect.
Speculative Loading
This plugin adds support for the Speculation Rules API, which allows defining rules by which certain URLs are…
WP Javascript Detect
The WP Javascript Detect plugin is a very simple plugin that provides a way to let website visitors know your…
| Metric | Speculative Loading | WP Javascript Detect |
|---|---|---|
| Active installs | 70K+ | 30+ |
| Downloads (30 days) | 15.6K | 77 |
| Download trend | -68.8% | -11.5% |
| Rating | 5/5 | 4/5 |
| Reviews | 18 | 2 |
| Health score | 86/100 | 28/100 |
| Last updated | 2 months ago | 16 years ago |
| Tested up to | WP 7.1.3 | WP 3.0.5 |
| Support resolved | 100% | — |
| Requires PHP | 7.4+ | Any |
| First released | Jan 2024 | Jul 2010 |
Daily downloads, last 90 days
Speculative LoadingWP Javascript Detect
Choose Speculative Loading if…
You care most about active installs, downloads (30 days) and reviews.
- Proven at scale on 70K+ active sites
- Tested with the latest WordPress (7.1)
Choose WP Javascript Detect if…
You care most about download trend.
- Small user base (30+ active installs)
- Very few reviews so far
- No update in 15 years
- Only tested up to WordPress 3.0 (latest is 7.1)
Both compete in: javascript
FAQ
Speculative Loading vs WP Javascript Detect: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 19, 2026
Which is better, Speculative Loading or WP Javascript Detect?
Speculative Loading comes out ahead, winning 6 of 7 head-to-head checks against WP Javascript Detect. Choose Speculative Loading if you care most about active installs, downloads (30 days) and reviews. Choose WP Javascript Detect if you care most about download trend.
Is Speculative Loading more popular than WP Javascript Detect?
Speculative Loading is the more popular of the two with 70K+ active installs, compared with 30+ for WP Javascript Detect.
Can I use Speculative Loading and WP Javascript Detect together?
Both plugins cover javascript, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are Speculative Loading and WP Javascript Detect free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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