Detect Speculative Loading
Performance plugin from the WordPress Performance Team, which adds support for the Speculation Rules API, by which certain URLs are dynamically prefetched or prerendered based on user interaction.
01
Websites using Speculative Loading
23 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| greenpeace.org.uk | 8/3/2026 |
| rogerebert.com | 8/3/2026 |
| advancedcustomfields.com | 8/3/2026 |
| seranking.com | 8/3/2026 |
| deliciousbrains.com | 8/4/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Speculative Loading signature at the time of the scan.
- Does not establish
- A sitewide install of Speculative Loading, an active vendor contract, exclusive use, or that Speculative Loading is still in place today.
03
How to check a site for Speculative Loading
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Speculative Loading signals.
- 2. PluginView reads only public responses and scores them against proprietary Speculative Loading fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Speculative Loading on the results page.
04
FAQ: detecting Speculative Loading
- Can PluginView detect Speculative Loading without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Speculative Loading. It does not bypass authentication or paywalls.
- What category is Speculative Loading?
- Speculative Loading is classified under WordPress plugins, Performance in the PluginView directory.
- Does PluginView publish Speculative Loading fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.
