For membership-oriented websites, registration forms are one of the most important parts. A problematic experience, even if the sign-up is completed, will place a "question mark" to the visitor or vice-versa.
And, it is also the first step where you can show that you care about the security of the website & all the data collected.
Although you can control/improve the security of the website, it is sometimes the weak passwords used that may have unwanted consequences.
Guiding users to have a strong password with the help of password strength meters, besides being an easy process, will help improving the security of the whole & show that the website pays attention to it.
Here are 10 password strength meter scripts for a better registration interface:
And, the website of the resource nicely displays how the strength is calculated.
This password strength meter is an improved version of this script. It that has a graphical interface (uses Prototype & Script.aculo.us) that shows the strength of the input.
Based on the PasswordMeter script, YAPM is an improved version which enables you to measure the strength of your passwords and use the functions inside to adapt in your websites.
Password Strength Meter is a jQuery plug-in that provides a smart algorithm to detect a password strength
With the help of regular expressions that checks the repeated characters, uppercase-lowercase usage, the string length & more, this password meter script generates a score for the password.
This jQuery plugin calculates the password strength similar to th other solutions like checking the repeated characters, amount of numbers, special characters used, etc. But with a difference takes into consideration the username value too.
Using the Password Strength Field plugin, you can instantly add this functionality to a password field.
It can be configured to have a custom "point system" where every variable can be defined.
A detailed tutorial on creating an Ajaxed password meter with PHP. This script checks the input at the server-side rather client-side.
A JSON result (strength value) is returned from the Ajax request and according to that value, the strength of the password is displayed.
This script is built with Ext JS and displays the password strength with an animated bar.
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