Osclass Themes and Osclass Plugins

Multisite Manager Plugin

Plugin
Demo available
Updated recently
Multisite Manager Plugin - SEO, Speed & Admin - Osclass plugins
Downloads 201
Version 1.0.3
Osclass version 8.0.1 or higher
Last update Feb 2026
No. updates 4
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Manage multiple Osclass installations efficiently. Plugin allows to connect multiple installations of classified ads CMS Osclass and switch between backoffice on different installations just with 1 click - without need to login on other sites.

Plugin use one "master" site as repository and central point for other "slave" sites. This means it is needed to keep sites network configuration only on "master" site and "slave" sites will feed all required informations from "master".

Manage multiple Osclass installations easily

Plugins helps to quickly navigate across multiple classifieds installations (no top limit) without need to login into backoffice.

Besides that, plugin allows to monitor status of other installations without need to check one by one, as multisite manager check regularly what is status of slave installations.

Plugin features

Create sites network

Major functionality of plugin is to create sites network (network of osclass installations) where plugin helps you to navigate across these sites without need to login to each site specifically.

You just login to one and then to any site you navigate, you get automatically logged-in.

"master" site

In network, you can only define one "master" site that will hold information about all sites in network. When other sites need information about network, it will ping "master" site and receive up-to-date list with all sites in network and their status.

When you select "master" site, this site will get master key used as authentication and verification method across all sites. This key must be copied to all slave sites so they can listen communication from master.

When list of sites on master is updated, master send this information to slave sites automatically.

"Slave" site

Other sites in network must be all "slave" sites. Slave site does not hold information about other sites in network (in database), but it keeps list up-to-date by checking regularly info in master.

Each slave site has api key that identifies slave site in sites network and also, besides master key, authenticate on master site.

Regular status check

Besides instant updates of slave site when master is updated, all sites will try to get information about other sites in network regularly, on daily base.

This helps to keep all sites up and identify possible troubles with other sites in network.

Switch website, Keep current navigation URL

Admin can easily switch current Osclass site by hitting sites button at top toolbar and jump on another Osclass site into same location (path) as you were on previous site.

Mark/identify each site in network

It is possible to assign each site it's color that is used in backoffice to help identify on what site you are currently logged in.

Ping site in network

Easily ping any site in network and get it's current status.

Sites network setup

Master - select which site will be your master. Copy master key. Define all slave sites in sites network. You need "Site API key" from all slave sites to be defined in master.

Slave - get master key from master site and save it in all slave sites into "master secret key" field.

 

Note: Plugin is target for advanced users managing multiple installations Osclass classified advert php script.

Last update of product description has been on 2. October 2025

Product features and functionality

Basic documentation included
Add back office functionality
Coding skills NOT required
Theme modifications NOT required
Use hooks for theme integration
Coding skills recommended
Recommended for advanced osclass users
Advanced installation (need more skills)
No dependency on 3rd party services
Osclass Seller's picture
MB Themes
Premium developer
221 products
View seller profile

Product support includes

Direct support from Adrian Brezak, founder of MB Themes and developer maintaining these products in production
12 months access to support and latest updates
Support can be extended anytime for 35% of base price (+12 months)
Availability of seller to answer questions
Answer technical queries about product features
Assistance with reported bugs or issues
Help with installation in case there is problem
Product in English language (other locales provided by community)
Proven support scale: 9,200 resolved tickets and 47,000 support messages
Long-term maintenance track record: 2,200+ updates released across products
Updates are based on customer support cases, Osclass core changes, PHP/MySQL updates, and real-world usage feedback

Support does not include

Customization service, custom work or feature requests
Support on free/gratis plugins delivered with premium themes
Installation service
Translation and localization services

Support quality, trust and engineering proof

Seller updated this product 4 times
Seller rating is 4.7 of 5 - Excellent (583 reviews)
Average response time to support tickets is 1 hour 23 mins
Member since 2017

Support available in:

English English
English Czech
English Slovak
This product is not compatible with WordPress. All our themes and plugins work exclusively with Osclass.

Frequently asked questions

Question: What does Multisite Manager Plugin do in a real classifieds workflow?

Answer: Manage multiple Osclass installations efficiently.

Question: Who should use Multisite Manager Plugin?

Answer: It is useful for teams that prefer a tested implementation path over ad-hoc custom development The setup details for Multisite Manager Plugin are different in production.

Question: How should Multisite Manager Plugin be set up before launch?

Answer: Enable core options first, then validate main user flow and admin settings save cycle before enabling advanced features The setup details for Multisite Manager Plugin are different in production.

Question: How should compatibility be checked for Multisite Manager Plugin?

Answer: Validate plugin behavior after Osclass core updates and PHP upgrades, then review changelog-dependent configuration changes The setup details for Multisite Manager Plugin are different in production.

Question: What is the best way to keep Multisite Manager Plugin efficient in production?

Answer: Monitor load time and database queries on pages affected by plugin hooks, then optimize configuration based on real traffic patterns The setup details for Multisite Manager Plugin are different in production.

Question: What are common issues with Multisite Manager Plugin?

Answer: Common causes are missing prerequisites, cached outdated settings, and conflicts with custom forms or third-party overrides The setup details for Multisite Manager Plugin are different in production.

Question: What is the recommended migration path for Multisite Manager Plugin?

Answer: Update in controlled steps, retest primary business flow, and keep rollback package ready before production deployment The setup details for Multisite Manager Plugin are different in production.

Changelog - Product updates history

Version 1.0.3 released on 2026-02-20

  • Minor updates.

Version 1.0.2 released on 2024-07-26

  • Corrected small error notices in plugin.

Version 1.0.1 released on 2023-04-13

  • Small bugfix with missing admin name.

Version 1.0.0 released on 2023-04-13

  • Initial plugin release

View all products updates

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To maintain quality and accuracy, every review is moderated before being published.

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View license details
11.99
Created by best developers
Regular updates and bug fixes
Premium support services
Add to cart ✨ Ask Fred – AI Support Agent Contact seller
Price is in Euros
Osclass Seller's picture
MB Themes
Adrian Brezak is the founder of MB Themes, specializing in Osclass development, marketplace SEO, performance optimization, and payment integrations, with 12 years of experience in Osclass. He has delivered 2,200+ product updates and resolved over 9,200 support tickets throughout his career. See verified customer reviews on Trustpilot

Product technical details

201 downloads
4 updates
5189 views
Product version: 1.0.3
Last update: 3 months ago
Osclass support: 8.0.1 or higher Download osclass
Product rating: 0 of 5 - No reviews
Published on: 13. Apr 2023
Folder name: multisite