What are the Tagging challenges? What are the benefits of using tag management system? What are the tag management features?
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Tag management system
1. • Cognizant 20-20 Insights
A Tag Management Systems Primer
Emergent tagging tools allow nontechnical resources to more effectively
manage JavaScripts used by ad measurement and serving systems.
Executive Summary • Puts marketers/business in control of third-
party tagging: With user “permissioning,” ac-
The proliferation of third-party tags used by Web
cess can be limited to specific tags within a
sites has resulted in a burdensome reliance on
site’s source code.
already-stretched-thin IT resources. With the
emergence of tag management systems (TMS), • Reduces IT dependency: Less dependency
site managers can now accelerate updates of on IT resources to update and maintain tags
site code by empowering nontechnical resources creates more of a “self-service” environment.
to deploy tagging via intuitive, user-friendly Also, these tools decouple tag maintenance
interfaces. from IT bandwidth and code release cycles.
TMS tools allow for the management of JavaScript • Intuitive user interface: Simplifies tag man-
agement by leveraging tag libraries and menu
tagging typically associated with measurement
options to maintain tagging.
and ad serving, without the need to access a
site’s entire source code. This is accomplished
Tagging Challenges
by permitting any selected internal or external
company resource to access third-party tag While tag management solutions greatly optimize
source code. As a result, tagging modifications third-party tags used on organizations’ Web sites,
are decoupled from IT and its dependence on site they come with their own set of challenges:
update cycles.
• Effective tag deployment requires IT and
consulting resources: TMS implementations
Advantages of Tag Management
typically require external expertise.
Systems
Significant benefits can be achieved via proper • Tags create vendor lock-in: Once implemen-
use of tag management. Its ability to resolve tation is completed across all the pages it can
entrenched challenges that restrict the flexibility be challenging to switch vendors.
of Web analytics and marketing optimization can • Tag deployment rarely works perfectly at
include: first: There is always a defect or variable that
was missed; moreover, data collection is an on-
• Page speed optimization: By compressing the going process that increases deployment time.
size of third-party tags, TMS tools speed page
downloading by decreasing page weight. • Emerging platform challenges: New and non-
cognizant 20-20 insights | november 2012
2. JavaScript-based platforms such as Adobe rors on the page and notify support team.
Flash, Microsoft Silverlight and the mobile
platform require tags that use proprietary
• Support and services: Ongoing vendor sup-
port, technical documentation and online
languages. knowledge repositories.
Tag Management Features Types of TMS Architecture
With tag management technology still nascent, While there are many features and functionalities
it is important to ensure the selected solution across the different tag management vendors,
supports key functionalities, including: there are three primary types of TMS architec-
ture: client-side conditionals, server-side condi-
• Complex/emerging technology compatibil- tionals and the server-to-server approach. Each
ity: TMS tools should have the capability to comes with varying degrees of complexity in how
support JavaScript tags, rich media applica- tags are created, loaded and executed. Which
tions, Flash and mobile scripts. TMS structure works best for your organization
• Vendor template support: The ability to will depend on the functionality of your site, the
handle preconfigured third-party vendor tem- structure of your organization and your budget.
plates and create custom templates for spe-
Client-Side Conditionals
cific scenarios.
With client-side conditionals, the rules are deployed
• Scope management: Flexibility to control de- within the JavaScript file that is downloaded from
ployment of tags including domain, path, file
the TMS servers to the client-side browser. This
and URL query parameters.
file is cached for subsequent page loads, reducing
• Rule management: The ability to create, mod- the need for communication between browser
ify, duplicate, activate and deactivate rules, and server. File size increases as rules are added,
compare rule versions, view version history which can result in increased page weight and
and create rule dependencies and conditional decreased site speed (See Figure 1.)
loading.
Server-Side Conditionals
• Code deployment management: Ability to
In this model, conditional logic is processed by
support multiple deployment environments
such as development, QA and production. the TMS server. Once a small JavaScript file is
downloaded from the TMS server, a dynamic
• Security management: Role-based access request is generated and returned to the TMS
with specific, configurable functionality for dif- server. Based on the tag rules created within the
ferent types of users. interface, only the necessary vendor code is then
• Error management: The ability to track tag er- loaded into the browser. Subsequently, tags are
Client-Side Conditionals
1. Request from
browser.
TMS
Platform
Web Page
2. Client-side tag rules are downloaded and
cached in the browser for subsequent nt
page loads. The initial large file can be
followed by multiple smaller requests.
Vendor A Vendor B Vendor C
3. Tags are executed in the browser and requests
containing tracking data are sent to various vendors.
Figure 1
cognizant 20-20 insights 2
3. Server-Side Conditionals
1. Request from
browser.
TMS
Platform
Web Page
2. Vendor tags are downloaded
to the browser.
Vendor A Vendor B Vendor C
3. Tags are executed in the browser and requests
containing tracking data are sent to various vendors.
Figure 2
executed within the browser and data is forwarded While there are some performance advantages
to the respective vendors (See Figure 2.) to this approach, there are potential issues
that should be considered. For instance, a lack
Server-to-Server Approach of vendor support and issues around visitor ID
In addition to server-side conditionals, cloud cookie sharing are common with the server-to-
connectivity with selected partners allows for server model. Additionally, data contained in the
data to be communicated directly between the server-side calls can be difficult to validate and
TMS server and vendor servers. This reduces will not be seen using a standard browser-based
the number of requests fired from the browser, debugging tool.
where integration is an option (See Figure 3).
Server-to-Server Approach
Vendor X
1. Request from
browser.
TMS
Vendor Y
Platform
Web Page
2. Vendor tags are downloaded Vendor Z
to the browser.
3a. Tags are fired from
the server for selected
integrated vendors.
Vendor A Vendor B Vendor C
3b. Tags are executed in the browser and requests
containing tracking data are sent to various vendors.
Figure 3
cognizant 20-20 insights 3
4. Pricing Models
When weighing tag management vendors, it is
important to consider the pricing model that fits Quick Take
best with your site type and amount of traffic.
A Word on Content
While most TMS providers charge on a server call Management Systems
basis (similar to Web analytics vendors), other
cost models include per visit, per domain and by Though somewhat limited when compared with standalone
the number of vendor tag templates. tag management solutions, some content management
systems (CMS) are integrated with Web analytics tools and
Many tag management providers may also levy
can be used to push tracking tags to the Web page. Adobe
implementation and consulting fees for proper
CQ, for example, has integration with Adobe SiteCatalyst.
configuration and end-user training. Make sure to
Check with your CMS vendor for more information.
weigh the total cost of implementation with the
vendor you consider.
Best Practices
As enterprise Web sites evolve, new tags are added an intuitive user interface. It is important to
and existing tags are modified on a continuous implement uniform processes for managing
basis, it is not possible to deliver 100% error-free templates, rules, deployment and users.
tagging. By adhering to tag management best
Page Dependencies
practices, errors can be substantially reduced.
As a Web site goes into maintenance mode, site
Standard Naming Convention administrators may inadvertently alter page ele-
Having an enterprise-wide standard naming ments that impact tag functionality. It is best
convention creates the foundation for a robust practice to share page elements that have tag
and intuitive TMS implementation. Large orga- dependencies to the platform team. Make sure to
nizations may have multiple Web sites across implement procedures to communicate tag/page
dozens of countries in multiple languages, each interdependencies between the TMS manager
with its own unique vendor tags configuration, and IT teams.
QA and development environments. Architects
and developers should create the foundation Tag, You’re It
for a uniform TMS environment by utilizing an Tag management systems provide a welcome
enterprise standard naming convention. alternative to the inefficient processes and
tagging constraints of today’s complex Web sites.
For example: By providing a consolidated approach to tag
<Marketing Vendor tag>-<Country>-<Partner administration, a TMS can ease the burden faced
sites>-<Environment>-<Functionality name> by IT staff and assist nontechnical resources in
meeting the digital measurement requirements
An organization using SiteCatalyst and Double-
of the business.
Click vendor tags within the U.S. and Canada can
have rules such as: Organizations should do their due diligence
“SC-US-Student Loan-QA-Apply for loan (or) in the discovery and evaluation of the various
DBL-CA-Weekly Deal-PROD-Registration” tag management vendors and implementation
specialists in the market. By fully and candidly
Tag Administration exploring challenges stakeholders face related
Vendor tags within a TMS are managed using to Web site code management, organizations will
administrative tools. Most solutions deploy the be in a better position to determine which TMS
tags within the cloud, allowing an administra- solution will best serve their needs.
tor to enable, disable and archive rules using
cognizant 20-20 insights 4