Zoho Forms CAPTCHA
Zoho Forms' CAPTCHA is a simple security check that ensures only human users can submit the form by preventing bot access.
By default, the CAPTCHA displays a sequence of intentionally distorted alphanumeric characters in an image. Bots struggle to interpret this warped text, but a human can usually read it and type the correct sequence into the field to pass the check. If the characters don't match, the user is prompted to try again, effectively blocking the bot from submitting the form.
In addition to the standard text-based check, Zoho Forms offers a variety of interactive challenge types. These interactive challenges initially display an "I'm not a robot" checkbox on the form. Once checked, a verification popup appears requiring to solve a task, such as completing a puzzle, solving a math equation, or aligning a shape, to confirm the user is human.
Configuring Zoho Forms CAPTCHA
- Navigate to Settings > Spam Control > CAPTCHA.
- Click Configure Now.
- Under Choose a CAPTCHA type, select Zoho Forms CAPTCHA.
- Select a challenge type from the Challenge Type dropdown.
- Enter a CAPTCHA Label. This is the primary title displayed above the CAPTCHA field.
- For the Text CAPTCHA, enter a CAPTCHA Description to guide respondents. For example, Please enter the characters exactly as shown in the image below.
For all other challenge types, enter a Checkbox Label, which is the text displayed next to the verification checkbox. For example, I'm not a robot. - Enter a Verification Failed Message, the text shown when a respondent fails the challenge. For example, Verification failed. Try again.
- Click Save.
Challenge Types
Zoho Forms offers 13 challenge types, many of which are interactive and difficult for bots to solve. For all challenge types except Text CAPTCHA, you will find a preview of how the challenge appear to the respondents.
- Text CAPTCHA (Default): Requires users to type a distorted alphanumeric code from an image.
- Letter Sequence: Requires users to click on letters in a specific circular sequence.
- Rotate Tile: Requires users to rotate tiles to align a visual path.
- Missing Tile: Requires users to drag and drop a tile to complete an image path.
- Chess Move: Requires users to move a chess piece in a designated order.
- JCAPTCHA- Text: Requires users to identify and input standard colored text.
- Math Problem: Requires users to solve a simple mathematical equation (e.g., addition or subtraction).
- Image Recognition: Requires users to select the textual description that matches a given image.
- Slide Puzzle: Requires users to slide a visual piece into its correct position on a background image.
- Icon Sequence: Requires users to select specific visual icons in the exact order requested.
- Archery: Requires users to aim and release an arrow to hit a target board.
- Jigsaw Puzzle: Requires users to drag a classic jigsaw puzzle piece into its correct missing slot.
- Dice Sum: Requires users to count the top face values of displayed dice and enter the mathematical total.
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