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Caution: This documentation is for Exponential, from version 3.x to 6.x.
For 5.x documentation covering Platform see Exponential Platform Documentation, for difference between legacy and Platform see 5.x Architecture overview.

Recent changes

35934 changed pages · Atom feed · Recent comments · Recently added · Recent ratings

Wednesday November 04 2026

  • Control panels: overview (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    The overview of the control panels section: which hosting panels the Exponential sources mention and at which tier (Plesk tier 1, cPanel and DirectAdmin tier 3, ISPConfig and Webmin not mentioned), what every panel must…
  • cPanel (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    What the Exponential sources say about cPanel hosts (tier 3, expected to work; EasyApache PHP per account; Velocity may not be allowed) and a hedged, generic approach to setting up an Exponential account there, with a…
  • Cron and shell access (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    How customers on panel servers schedule Exponential's runcronjobs.php (parts, schedules, the right PHP binary, the site user's crontab), what the administration's Cronjobs page needs from PHP, and what a site can and…
  • Databases and users (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    Creating the database and its user for an Exponential site, engine by engine in the official order (SQLite 3, PostgreSQL, MongoDB, MariaDB, Oracle, MySQL), with the privileges each driver needs, the character set, how…
  • DirectAdmin (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    What the Exponential sources say about DirectAdmin hosts (tier 3, expected to work, in the same row as cPanel), the Exponential requirements translated into generic panel tasks, the questions to answer about your…
  • ISPConfig (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    ISPConfig is not mentioned in the Exponential sources and is not placed in any tier. This page says so plainly, lists what an ISPConfig-managed server must provide for an Exponential site, maps each need to a generic…
  • PHP selection and FPM pools (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    How to give an Exponential site the right PHP on a panel server: the web PHP and the command line PHP must match, one PHP-FPM pool per site running as the site's user, the settings that matter in the pool, and how to…
  • Plesk (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    Running Exponential on Plesk, the panel of the project's own development server (AlmaLinux 9, tier 1): Plesk's PHP builds and per-domain PHP-FPM pools, the plesk-phpXY-fpm services, the domain settings, nginx in front…
  • TLS certificates in panels (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    How HTTPS works for an Exponential site on a panel server: the panel's certificate for Apache or nginx, what Exponential itself must be told (site URLs, secure cookies, HSTS, trusted proxies), and how Velocity or…
  • Webmin (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    Webmin is not mentioned in the Exponential sources and is not placed in a tier. This page says so, explains why the installation book's own instructions for Apache, nginx, PHP-FPM, cron and certificates are the…
  • Performance (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    Overview of the performance section for hosting companies: the levers in order of effect, the caching layers, measuring before tuning, and a one-line guide to every page of the section.
  • Benchmarking a hosted site (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    How a host measures Exponential sites with exp:benchmark: safe defaults, cached against rendered pages, comparing servers back to back, deploy regression checks, noise on shared machines, and turning measurements into…
  • Cache clearing and warming (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    Which cache to clear for which change, the order that makes a change visible, the commands (ezcache.php, exp:cache, exp:velocity), cache clears on busy sites, the cleanup cronjob, and warming a site with exp:warm…
  • Caching layers (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    Every cache between a visitor and the database of an Exponential site, in order: what each holds, whether it ships on or off, where it lives, which server uses it, and how it is cleared, so a host knows what a plan…
  • CDN (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    Putting a content delivery network in front of hosted Exponential sites: what is safe to cache at the edge, trusting the CDN's addresses for HTTPS and the visitor's address, the CDN headers Velocity understands, purge…
  • The compiled kernel container (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    What var/cache/kernelservices/ is, what it saves on every request under PHP-FPM and Velocity, when the deploy and the INI cache clear rebuild it, how to check it with exp:services:check, and how to switch it off.
  • HTTP cache headers (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    What browsers, proxies and CDNs may keep from an Exponential site: the default no-cache page headers, cacheable headers for anonymous visitors only, static file lifetimes under Velocity and Apache, and the role-aware…
  • OPcache (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    OPcache for hosted Exponential sites: the settings under PHP-FPM, Velocity and FrankenPHP, why Velocity's differ, the one setting never to use, what JIT measured, and how to check and profile the cache.
  • PHP-FPM tuning (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    The PHP-FPM settings that matter for Exponential on a hosting server: php.ini values per pool, timeouts and the settings that must stay below them, APCu sizing and sharing, sessions, reloading the right master without…
  • Static cache (Updated, Markdown page)
    Markdown documentation (help center) · Hosting · Changed 01:08 pm
    The static cache for hosts: pages generated as plain files and served by the web server without PHP, why it ships off and the installation book says to leave it off, when a customer might still want it, how to generate…