Our detectives are back with the following intel on this WordPress site
The site is using the ColorMag theme by ThemeGrill .
We could identify 2 plugins (there might be more) - Advanced noCaptcha & invisible Captcha (v2 & v3) and All in One SEO Pack
ColorMag is a perfect responsive magazine style WordPress theme. Suitable for news, newspaper, magazine, publishing, business and any kind of sites. Get free support at http://themegrill.com/support-forum/ and check the demo at http://demo.themegrill.com/colormag/