I'm trying to prevent bots from accessing a page with scripts, and want to add a captcha. What's the best way to add a captcha and load the page after it's solved?
Try looking into No Captcha Recaptcha Guide: http://webdesign.tutsplus.com/tutorials/how-to-integrate-no-captcha-recaptcha-in-your-website--cms-23024
You are trying to remove bots and wanted to include captcha! Why? Bot is smart way. Okay if you wanted to change it then Write''WordPress › Support » How to remove bot and fake visitors'' and search google then you will found the the chancing rules. Bye..
You can try using google ReCaptcha as you can use it with their api's and also use cloudflare for most protection.