Automatically create newsletter issues highlighting your latest content

Double opt-in: Prevent false sign-ups by asking subscribers to confirm their subscriptions.

Host multiple newsletters: Visitors can subscribe to the ones they want.

Flexible mailings: Send out mailings to all members, to different usergroups, or to subscribers of specific newsletters.

Welcome e-mails: Send multiple welcome e-mails to new users automatically, on a configurable schedule (Conversr-only).

Bounce cleanup: Automatically clean out bounces from your e-mail list.

Unsubscribe: Recipients can easily unsubscribe from newsletters through an unsubscribe link provided in the e-mail.

Change settings: Newsletter subscribers can change their subscription settings on-site.

Drip sending: Prevent overwhelming your mail server or outbound limits.

Choose what is searchable

Boolean and full-text modes

Keyword highlighting in results

Search boxes to integrate into your website

Logging/stats

OpenSearch support: Allow users to search from inside their web browser.

Results sorting, and filtering by author and date

Search within downloads: Including support for looking inside archives.

Composr fast custom index: Support full-text searches in instances where your database does not

Multiple types: Each one can specify its own width-by-height (e.g. skyscraper).

Smart banners: Integrate text-banners into your content via keyword detection.

Broad media compatibility: Image banners, external banner rotations, and text banners.

Determine which banners display most often

Run a cross-site banner network

Hit-balancing support: A site on a banner network gets as many inbound hits as it provides outbound clicks.

Targeted advertising: Show different banners to different usergroups.

Track banner performance

Use the banner system to display whole sets of sponsor logos or partners

Supports Geotargeting

Periodic content reviews: Reminders to check (or remove) banners

Quick installer: Our self-extractor allows faster uploads and will automatically set permissions.

Wizard-based installation

Auto-scans for compatibility problems: Be informed of problems before installing

Get your site up and running in just a few minutes

Keep your site closed to regular visitors until you're happy to open it

Configures server: Automatically generates an htaccess file for you (for Apache).

Auto-detection of forum settings for easy integration

Install test content

Add virtually unlimited pages to your site

WYSIWYG editor (powered by CKEditor)

Convenient edit links: Staff see “edit this” links at the bottom of every page.

PHP support: Upload your PHP scripts and run them inside Composr (may require adjustments to the script code).

Hierarchical page structure: Supports parent and child pages

Periodic content reviews: Helping you ensure ongoing accuracy of your content.

Add Comcode pages (the default) or static HTML pages

Supports revisions and revision control systems (such as git); add new pages as files, and Composr will automatically register them in its system.

Clear organisation: Uses a tree structure for unlimited categorisation.

Anti-leech protection: download links contain a session ID

Community-centred: Allow users to comment upon and rate downloads

Many ways to add new files: Upload files. Link-to existing files. Copy existing files using a live URL. Batch import links from existing file stores.

Author support: Assign your downloads to authors, so users can find other downloads by the same author.

Set licences: Make users agree to a licence before downloading.

Images: Show images along with your downloads (e.g. screen-shots) (this implicitly uses galleries).

Basic file versioning support

Control monthly bandwidth use site-wide

Think “structured wikis”.

Create an encyclopaedic database for your website

Use a tree-structure or traditional cross-linking

Supports revisions: Track changes

Display the tree structure of your entire Wiki+

Allow users to jump in at random pages

Make your pages either wiki-style or topic-style

Allow members to contribute to Wiki+ pages by adding Wiki+ posts

Run a competition: Choose winners randomly from those who passed the quiz.

Surveys: Gather data and find trends.

Tests: Test members' knowledge on a variety of topics.

Cheat prevention: Settings to prevent cheating, such as time limits, question / answer shuffling, and re-testing rules.

Integration with points: Charge points to enter a competition, or award points for winning.

Member blogs: Allow members to have their own blogs on their profile

RSS and Atom support: Export and import feeds.

Trackback support: Send and receive trackbacks.

Scheduled publishing

Ping support and RSS Cloud support

Multiple news categories and filtering

Multiple ways to integrate news into your website

Import from RSS feeds

Supports geotargeting

Members can rate and comment on news articles and blog posts

Send out a news article as a newsletter

Day/week/month/year views

Advanced “recurring event” settings

Event subscriptions: Receive reminders and notifications by event or event type

Warnings about conflicting events

Microformats support

Integrate a calendar month view, or an upcoming events view, onto your design

Supports categories: Have multiple event types

Multiple time zones: Have different events in different time zones with configurable conversion settings.

Priority flagging: Choose between 5 priorities

Programmers can even use the calendar to schedule custom tasks (Commandr) to be run

RSS and Atom support: Export support, but also support for overlaying news feeds onto the calendar.

Supports geotargeting

Feedback: Allow members to comment and rate events. Segregate feedback on recurring events by date.

• Broken links and forms
• Security vulnerabilities
• Outdated software versions
• Server performance issues
• Email configuration problems

• Configuring the CDN option in Composr with a comma-separated list of CDN domain names.
• Ensuring your files are mirrored on the CDN servers.
• Utilizing the CDN_FILTER directive and symbol to control what content is served via CDN.

• $SITE_INFO['disable_smart_decaching'] = '1';
• $SITE_INFO['no_disk_sanity_checks'] = '1';
• $SITE_INFO['hardcode_common_module_zones'] = '1';
• $SITE_INFO['prefer_direct_code_call'] = '1';
• $SITE_INFO['charset'] = 'utf-8';
• $SITE_INFO['known_suexec'] = '1';
• $SITE_INFO['dev_mode'] = '0';
• $SITE_INFO['no_extra_logs'] = '1';
• $SITE_INFO['no_extra_bots'] = '1';
• $SITE_INFO['no_extra_closed_file'] = '1';
• $SITE_INFO['no_installer_checks'] = '1';
• $SITE_INFO['assume_full_mobile_support'] = '1';
• $SITE_INFO['no_extra_mobiles'] = '1';

• Go to the Installation Options editor (yourbaseurl/config_editor.php). You will need your maintenance password.
• Activate the static cache option.

• Language cache: Eliminates the need to parse language files on each page load.
• Template cache: Avoids reparsing template files repeatedly.
• Comcode page cache & Comcode cache: Reduces the need to parse Comcode pages and general Comcode usage.
• Block cache: Caches blocks based on their parameters, minimizing execution.
• Theme image cache: Prevents redundant searches for theme images.
• Values caches: Stores calculated values like member post counts.
• Persistent cache: Keeps frequently used data in memory for faster access.
• Advanced admin cache: Allows admins to view cached pages while the server generates updates.
• Static cache: Serves static pages to bots and guests, bypassing much of the framework.
• Self learning cache: Optimizes resource loading by learning which resources each page requires.

• Check Email Logs: View the email log (Admin Zone > Audit > E-mail queue/log) to see what notifications have been sent.
• Use the SU Feature: Impersonate a member using the SU feature (described in the "Testing access and privileges" tutorial) to view their notification settings and confirm they are set up correctly.
• Enable Carbon-copy Email: Configure a "Carbon-copy e-mail address" in the configuration settings to receive copies of all outgoing emails, including notifications. This helps you monitor email delivery.
• Verify System Scheduler: Ensure the system scheduler is configured correctly if members are not receiving digest emails.
• Check Digest Settings: Confirm that "Enable digest notifications" is enabled in the Messages configuration settings.
• Review "Safety listing limit": If a notification has too many categories, members might not see the full selection tree. Adjust the "Safety listing limit" in the configuration settings if necessary.

• Notification Defaults: You can set default notification preferences for all members. You can enable or disable specific notifications and choose the delivery method (Admin Zone > Setup > Notification defaults).
• Notification Lock-down: You can force members to receive or prevent them from receiving certain notifications (Admin Zone > Setup > Notification lock-down). This allows you to enforce specific notification policies and manage email volume.

• Content Updates: Notifications for new or updated content, such as news articles, forum posts, and gallery images.
• Private Messages: Alerts for new private messages received.
• Friend Requests: Notifications for new friend requests.
• Administrative Actions: Alerts for actions taken by site administrators, such as account approvals or content moderation decisions.

• Email: Notifications sent directly to their email address.
• Digest Email: Combined summaries of activity sent in batched emails. This requires the system scheduler and the digest e-mails configuration option to be enabled.
• Private Topics: Notifications delivered as private forum topics.
• SMS: Notifications sent as text messages (requires configuration and incurs costs).
• Web Notifications: Real-time alerts displayed within the Composr interface.