Factors effecting Testing of Web Applications?
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Answer Posted / ramyab.mca@gmail.com
Factors effecting Testing of Web Applications:
- Numerous Application Usage (Entry – Exit) Paths are
possible
Due to the design and nature of the web applications it is
possible that different users follow different application
usage paths.
For example in an online banking application a user may
directly go to “Bill Pay” page and other users may check
account balances, view previous transactions and then “Pay
the Bills”.
Generally a large number of usage paths are possible and
all are supposed to work well.
All these Permutations and Combinations need to be tested
thoroughly
- People with varying backgrounds & technical skills may
use the application
Not all applications are self explanatory to all people.
People have varying backgrounds and may find the
application hard to use. For instance a Business
Intelligence application with “Drill-Down-Reports” may work
out for certain users but not for others.
Although this affects the design of the applications, but
these factors should be tested in usability testing of the
applications
- Intranet versus Internet based Applications
Intranet based applications generally cater to a controlled
audience. The developers and architects can make accurate
assumptions about the people accessing the apps and the
hardware/software/technical specifications of the client
machines.
While it may be difficult to make similar assumptions for
Internet Based Applications
Also the intranet users can generally access the app
from ‘trusted’ sources whereas for internet applications
the users may need to be authenticated and the security
measures may have to be much more stringent.
Test Cases need to be designed to test the various
scenarios and risks involved.
- The end users may use different types of browsers to
access the app
Typically for internet based applications users may have
different Browsers when accessing the apps. This aspect
also needs to be tested. If we test the app only on IE then
we cannot ensure if works well on Netscape or Fire-Fox.
Because these browsers may not only render pages
differently but also have varying levels of support for
client side scripting languages such as java-script.
- Even on similar browsers application may be rendered
differently based on the Screen
resolution/Hardware/Software Configuration
- Network speeds:
Slow Network speeds may cause the various components of a
Webpage to be downloaded with a time lag. This may cause
errors to be thrown up.
The testing process needs to consider this as important
factor specially for Internet based Applications
- ADA ( Americans with Disabilities Act)
It may be required that the applications be compliant with
ADA. Due certain disabilities, some of the users may have
difficulty in accessing the Web Applications unless the
applications are ADA compliant. The Application may need to
be tested for compliance and usability
- Other Regulatory Compliance/Standards:
Depending on the nature of the application and sensitivity
of the data captured the applications may have to be tested
for relevant Compliance Standards. This is more crucial for
Web Based Applications because of their possible exposure
to a wide audience.
- Firewalls:
As mentioned earlier Applications may behave differently
across firewalls. Applications may have certain web
services or may operate on different ports that may have
been blocked. So the apps need to be tested for these
aspects as well.
- Security Aspects:
If the Application captures certain personal or sensitive
information, it may be crucial to test the security
strength of the application. Sufficient care need to be
taken that the security of the data is not compromised.
K,byeee...
Thanks & Regards
B.Ramyasri
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