CDN

WP Fastest Cache

WP Fastest Cache is a popular WordPress caching plugin developed by Emre Vona. It improves page-load performance by serving pre-built static HTML to non-logged-in visitors, with optional minification of CSS/JS, browser cache control, CDN integration and image optimisation. The plugin itself does not place any analytics or tracking cookies on visitors; its only outbound traffic is license verification with wpfastestcache.com servers in Turkey. From a GDPR perspective, WP Fastest Cache has a very low compliance footprint and does not normally require user consent.

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Overview

What does WP Fastest Cache do?

What is WP Fastest Cache

WP Fastest Cache is a widely installed WordPress caching plugin (over a million active installations) that generates static HTML versions of dynamic WordPress pages, then serves them quickly to non-logged-in visitors. It includes CSS/JS minification, GZIP compression, browser caching, and a paid Premium tier with image WebP conversion and database optimisation.

What data is processed

The plugin processes the rendered HTML output, stores cached files in wp-content/cache, and serves these files in response to visitor requests. No visitor identifiers, cookies or behavioural data are captured. For paid licenses, the plugin periodically pings wpfastestcache.com with the site URL and license key for activation and updates.

GDPR and ePrivacy implications

WP Fastest Cache does not set cookies on visitors and does not access information on their devices, so Art. 5(3) ePrivacy does not apply. There is no requirement to obtain consent. The processing of cached HTML is justified by legitimate interest in performance. The plugin must be configured to respect cookies set by your CMP, however, so that a logged-in or consented visitor is not served stale cached content.

Data transfer to Turkey

License verification and update checks for paid versions transmit the site URL and license key to wpfastestcache.com servers in Turkey. Turkey is not on the EU adequacy list, so the transfer requires Standard Contractual Clauses. The information transferred is minimal (admin URL and license key, no visitor data), so the impact is low.

CMP and cache interaction

A common pitfall is that the cache serves a version of the page that already includes tracking scripts before the visitor has consented. Configure your CMP to load before the cache, or use server-side consent that conditionally renders tracking scripts. Exclude consent cookies from cache key generation so they are honoured even when serving cached HTML.

Practical compliance checklist

1. Document WP Fastest Cache in your Record of Processing Activities as a technical measure. 2. Sign or accept the developer's standard terms with SCCs for the Turkey license transfer. 3. Mention the plugin in your privacy notice if listing all sub-processors. 4. Test the CMP and cache interaction so consent is respected. 5. Use OCSP stapling and other security best practices alongside the cache.

Compliance

WP Fastest Cache and the GDPR

Legal basis: Legitimate interest (Art. 6(1)(f) GDPR) for performance optimisation; no visitor cookies are placed
Risk level: low
Applicable regulations: GDPR, ePrivacy Directive (no specific obligations as no consent-relevant data is processed on visitors)

Impact assessment (DPIA)

WP Fastest Cache operates server-side and stores static HTML in a cache folder. From a personal data perspective: (1) the cache itself may capture personal data (e.g. cached author name, comment counts) but this data was already published; (2) the optional CDN integration (Cloudflare, BunnyCDN) introduces additional processing terms; (3) the premium license check sends the site URL and license key to wpfastestcache.com in Turkey, requiring SCCs in absence of an adequacy decision; (4) the plugin can interfere with cookie-based consent banners if the cache is too aggressive, so cache invalidation rules must be set per CMP. A DPIA is not normally required.

Sample text for your banner

This site uses WP Fastest Cache, a WordPress performance plugin that serves pre-built static pages to speed up your browsing. It does not place tracking cookies or personalise content. No consent is required for its operation. License verification with the developer in Turkey is covered by Standard Contractual Clauses in our processing terms.

Cookies and trackers

What WP Fastest Cache sets and contacts

Tracking method: WordPress caching plugin that generates static HTML files and serves them to non-logged-in users. Optional CDN integration and license check; no analytics or tracking cookies are set on visitors
Server location: Emre Vona (developer), Turkey. The plugin itself runs entirely on the customer's WordPress server; only license verification calls reach wpfastestcache.com
Cookieless mode available: Yes
Data transferred outside the EU: License verification and update checks send the site URL and license key to wpfastestcache.com servers (Turkey). The EU has not granted Turkey an adequacy decision, so transfers must be covered by SCCs. The transfer is minimal (admin credentials and site URL only).

Cookies set (2)

Name	Type	Duration	Purpose
wordpress_logged_in_<hash>	Strictly necessary	Session or 14 days	Standard WordPress login cookie that lets the plugin skip caching for authenticated users so they see fresh content.
wpfc_cache_excluded	Strictly necessary	Session	Internal flag used to mark requests that should bypass the cache, e.g. POST submissions, cart updates and consent banner interactions.

Third-party domains contacted (3)

wpfastestcache.com
license.wpfastestcache.com
update.wpfastestcache.com

Questions

Frequently asked questions about WP Fastest Cache

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Does WP Fastest Cache set cookies on my visitors?

No. WP Fastest Cache is a server-side caching plugin and does not place cookies on visitors' browsers. WordPress itself may set session cookies for logged-in users, but those are unrelated to the cache.

Do I need user consent for WP Fastest Cache?

No. Because no cookies are placed and no information is read from the visitor's device, Art. 5(3) ePrivacy does not apply.

What is the legal basis for processing?

Legitimate interest (Art. 6(1)(f) GDPR) for performance optimisation. The processing is limited to internal caching of already-rendered HTML.

Is data transferred outside the EU?

Yes, the license verification and update check send the site URL and license key to wpfastestcache.com servers in Turkey. Turkey is not on the EU adequacy list, so the transfer needs SCCs. Visitor data is not part of this transfer.

Do I need a DPIA?

No, a DPIA is not normally required for a caching plugin. Document the plugin as a technical measure in your Record of Processing Activities.

How do I configure WP Fastest Cache in a compliant way?

Configure exclusions for CMP cookies and logged-in users; ensure tracking scripts are loaded conditionally based on consent; review the developer's privacy terms; document SCCs for the Turkey license transfer.

What alternatives exist?

Other caching plugins: W3 Total Cache (US), WP Rocket (France, EU-hosted), LiteSpeed Cache (US), Cache Enabler (Germany, free) and SG Optimizer (Bulgaria). WP Rocket and Cache Enabler are EU-native alternatives.

How do I update my privacy policy?

A brief mention is enough: list the plugin as a technical measure used to improve performance and disclose the SCCs for the licensing relationship with the developer in Turkey. No cookie policy update is required.

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WP Fastest Cache

What does WP Fastest Cache do?

What is WP Fastest Cache

What data is processed

GDPR and ePrivacy implications

Data transfer to Turkey

CMP and cache interaction

Practical compliance checklist

WP Fastest Cache and the GDPR

Impact assessment (DPIA)

Sample text for your banner

What WP Fastest Cache sets and contacts

Cookies set (2)

Third-party domains contacted (3)

Frequently asked questions about WP Fastest Cache

Does WP Fastest Cache set cookies on my visitors?

Do I need user consent for WP Fastest Cache?

What is the legal basis for processing?

Is data transferred outside the EU?

Do I need a DPIA?

How do I configure WP Fastest Cache in a compliant way?

What alternatives exist?

How do I update my privacy policy?

More services: CDN

GoCache

Oracle Web Cache

Hyperspeed

Speed Kit

Microsoft Ajax Content Delivery Network

Varnish

Make your site compliant today.