WP Version: 4.3.1
Theme : ColorMag Pro
Akismet
Autoptimize
Google AdSense
Google Analytics by Yoast
iThemes Security
Jetpack by WordPress.com
MailChimp for WordPress Lite
P3 (Plugin Performance Profiler)
Redirection
Shareaholic | share buttons, analytics, related content
WP Super Cache
Yoast SEO
WP-Optimize
WP Super Cache, P3, iThemes Security were installed after issue cropped up.
Inactive : TablePress