building dynamic websites with joomla cms
TRANSCRIPT
Thomas SiegersSongfuli Co., Ltd.
May 20, 2010
Building dynamic websiteswith Joomla CMS
Design, Configure, Use
About
This presentation is publicly available at:http://www.slideshare.net/thomasjs
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Chinese Culture University (PCCU)European Chamber of Commerce in
Taiwan
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Summary
Joomlaopen-sourcecontent management system
A tool for building and maintaining websites,low cost, easy to use,very suitable for small and medium sites,the right choice for self-made entrepreneurs.
Website Basics
Static vs. Dynamic
CMS Basics
Deployment Options
Managing Content
Enhancements
User Management
Maintenance
Migrating
Static vs. Dynamic
Static
Content embedded in HTML code
Content and layout partly independent
Entering content is like programming
Interactive features require CGI programming
No special requirements on web host
Faster than dynamic web site
Dynamic
Content stored in database
Content and layout completely independent
Entering content is like word processing
Interactive features are available by software components
Web host must provide database and programming language
Slower than static web site
CMS Basics: What is a CMS?
CMS: Content Management System
General: computer software system for managing content
Here: web content management system
computer software system for managing content on an Internet website
allows users to create and manage content in a way similar to word processing
used to maintain a website, not to create it
Other: enterprise content management system
also called: document management system (DMS)
CMS Basics: Functionality
Browser requests web page
Web server recognizes
dynamic request
Application software
retrieves content
from database
Application software
constructs web page
dynamically
Web server delivers
web page to browser
Database
LanguageModule
Web Server
Web Browser
ApplicationSoftware
Content
Request
Response
Webpage
CMS Basics: Products
CommercialPrices range from some hundred Dollars
to some hundred thousand Dollars
Open SourceJoomla!
Drupal
Typo3
phpNuke
XOOPS
Plone
and many more
Deployment Options
Within own network
very fast access from inside
data inside the organization
security threat
Shared web host
inexpensive
slow response with high volume traffic
Dedicated web host
fast access from everywhere
very reliable operation
data outside the organization
Managing Content
Set-up hierarchical content structure
e.g. section-category-content
Set-up menu structure
independent from content structure
Create content
online using WYSIWYG word processor
Publish content
- manually (immediately)
- automatically (scheduled)
- workflow authorized (draft, revise, approve)
- front page (yes/no)
Maintain content
update, unpublish, archive, delete
Enhancements
Multimedia
image gallery, streaming audio/video, YouTube
Communication
newsletter, guest book, forum, chat, polls
Collaboration
calendar, event list, project management
E-Commerce
web shop, payment, auction, Amazon
Web Marketing
advertising banners, classified ads, SEO
Data Management
forms, database queries, file manager
User Management
Different user typesOrganizational: internal, external
Technical: frontend, backend
Access rightsfrontend, backend
submit, create, edit, publish content
EnhancementsContact management
Mass mail
Newsletters
Maintenance
BackupFiles
Database
UpdatesSecurity
References to third party services
UpgradesMajor releases (e.g. Joomla 1.0 1.5)
Minor releases
Extensions
Migrating
Three kinds of migrationUpgrade from previous version
Clone, backup restore, move to a new site
Replace existing CMS or static web site
Migrating from legacy CMSNo straightforward way
Analysis of data model
Programmatic extraction of legacy content
Programmatic insertion into new CMS
Bulk updating of missing fields
Manual configuration
Advantages
Limitations
Requirements
Concept
Joomla
Advantages
Open Source
Very popular
Many free extensions available
Many inexpensive templates available
Relatively easy to use for website designers and users
Limitations
Very rudimentary access and permissions*
SEO difficult to achieve*
Fixed 2-stage categorization*
HMTL output with tables
Most extensions not integrated
*) improved in upcoming version 1.6 (currently beta)
Requirements
LAMP
Linux, Apache, MySQL, PHP
PHP ver. 5.2 for Joomla ver. 1.6
Shared Web Host
file upload with FTP
database configuration with web host control panel
Apache Webserver Interface
apache2handler vs. cgi-fcgi
check with php_sapi_name()
PHP Settings
register_globals = off
Concept
HeaderLeftColumn
Content Area
TemplateRightColumn
FooterMenuComponent/ModuleMenuLatestArticlesLogin FormWebLinksNewsNewsNewsDatabase
Core Features
Articles (content)
Menus
Categories*
Modules
Contact Form
Web Links
News Feeds
Polls
Banners
*) Joomla ver. 1.5 section-category
ver. 1.6 multiple categories
Template
Configuration
templateDetails.xml
files, positions, etc.
Layout
index.php
HTML with PHP snippets to insert content dynamically
Styling
template.css
CSS for layout and styling
Images
round corners, shadows, background, logo
JavaScript
adds dynamic elements, like sliding header images
Customizing
Template
layout modifications
additional module positions
changing colors, fonts, background, logo
knowledge required: HTML, CSS
Styling
add custom styles wherever possible
override styling in own CSS
knowledge required: HTML, CSS
Functional
modifications must be reapplied after each update
Joomla core should better not be modified
knowledge required: PHP, MySQL, Joomla API, JavaScript
Search Engine Optimization
Scope
on-site vs. off-site SEO
Basic
search engine friendly URLs
title tag
meta tags
XML sitemap
Advanced
headline tags
duplicate content
redirects
multimedia content
Q & A
Thomas SiegersSongfuli Co., Ltd.Taipei, Taiwan
http://[email protected]://www.slideshare.net/thomasjs
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