Yahoo! Developer skills – Tools and Libraries Certification for a brighter future

One of the best steps IT professionals across all industries and work fields can take is to become certified in one or more of the most in demand IT certifications. In the context of this ever-developing industry it cannot be argued that the ability to develop powerful applications is widely sought after. And if it is Yahoo! where you want to deploy your sophisticated applications, the better. Not everyone can take pride in having such abilities and upon having them you will enhance your career prospects. This is why you should consider acquiring the Yahoo! Developer skills – Tools and Libraries Certification. We will present you in this article the skills needed to acquire this important certification for your future and the reasons why you should consider this option in the first place.

First of all, you surely have heard about Yahoo! Developer Network. As the name itself suggests, it is Yahoo!’s website where developers from all over the world are being given free access to its resources and services. The purpose of this website is to bring developers worldwide together and assist them in their attempt to build new applications for deployment on Yahoo!. There is a wide collection of web services at your disposal there if you have the required skills, from Data API to Placemaker and Geoplanet API. In addition, this site offers many resources for software development, so all you need to do is put your imagination and knowledge into practice and subsequently enrich the experience of Yahoo! users. Moving on to the subject of our article, you should know there are nine tools and many libraries, including the famous YUI library. YUI stands for Yahoo! User Interface Library and it is an open source JavaScript and CSS framework that allows you build sophisticated and highly interactive web applications. What is more, access to the YUI library is granted for free, so as long as you have the relevant skills you should have no difficulty in making the most out of this service from Yahoo!. It is obvious that in order to achieve this goal you must be one of the many worldwide professionals that know how to code in JavaScript. With the proper skills, you could even contribute to the development of the library itself, because as we already mentioned it is an open source library and it is being developed not only by Yahoo! engineers, but also by professionals from all over the world. Another library is the Yahoo! Design Pattern Library, where you have access to a multitude of user interface design patterns.

Going back to the available Tools, one such tools is Pipes. This composition tool allows you to aggregate and make modifications on any type of web content you desire. With this tool you can create the output that you need, so you need to have valuable knowledge on Yahoo! Pipes in order to ease your work in web development. YSlow is a Firefox add-on that provides useful suggestions for increasing the performance of your web pages. The Pipes and YSlow tool are just two of the tools you need to be familiar with in order to get the valuable certification that is subject to our article. Without getting too much into the technicalities of the subject, we will conclude by saying that Yahoo! Tools and Libraries require complex skills but they are worth the trouble to acquire them.

Yahoo Developer skills Certification Exam

Once you have the proper abilities you should try to get certified as a way to enhance your career prospects. Everyone nowadays is looking for skilled programmers and application developers so having a Yahoo! Developer skills certification would testify your desire for excellence in this field in a reliable way. Moreover, it will distinguish you in this industry and improve your financial perspectives. While the average salary of professionals in this line of work is $98,000, with the certificate attached to your resume you could significantly increase your earnings. An online certification taken from, the global leader in skill tests and online employment testing, would showcase your abilities to the world. So you should not hesitate and take the provided Tools and Libraries exam as a prerequisite to the valuable certification that would boost your resume and improve your career perspectives in this fascinating domain.


  • Pipes
  • Yahoo PIPES
  • Yahoo! Blue Print
  • Yahoo! Blueprint
  • YQL
  • YSlow
  • YUI

No. of Questions

40  multiple choice questions.

Each question has between 2 and 5 options out of which 1 or more may be correct.

Pricing and Payment Options

Free US payable through any of the following:

Secure online credit/debit card transaction

The fee includes the cost of the hard copy certificate of accomplishment and world-wide mailing charges.


All the information regarding this test has been clearly stated inside the login account and you must read it properly before starting your test. Good luck !

Test Re-take Policy

You can take any no of retakes, they are free!!

Related Courses