In the coming years, the speed of your site can affect it ranking on most search engines. The almighty google will not really consider your site as a relevant one if your site is slow.

Some Of the Sites We Manage

Note: This is Glow.NG site speed result as at May 28, 2020.

Note: This is SignOnHOst site speed result as at June 8, 2020.

I run multiple wordpress websites and I also run wordpress maintenance services where I maintain over 30 WordPress blog and profile sites. I’ve been using WordPress for a very long time now and tested hundreds of WordPress plugins. Below is a list of slow loading plugins that will slow down your website.

Note that I have a domain name I use as I lab for plugins and themes. I have personally tested the below plugins and your experience with these plugins my differ from my personal results with the below plugins so feel free to let me know.

As a site Admin, if you are interested in the growth of  your website and your business, you should check your site speed often. And we highly recommend –  Gtmetrix

This is the list of plugins you may need to check if your site is  show.

AddThis
AdSense Click Fraud Monitoring
All-In-One Event Calendar
Backup Buddy
Beaver Builder
Better WordPress Google XML Sitemaps
Broken Link checker (use Dr. Link Check)
Constant Contact for WordPress
Contact Form 7 ( I still use this with Asset clean up )
Contextual Related Posts ( I still use this with text only )
Digi Auto Links
Disqus Comment System
Divi Builder
Essential Grid
Facebook Chat
Fancy Gallery
Fuzzy SEO Booster
Google Analytics
Google Language Translator
Google Translate
Google XML Sitemaps
Jetpack
Leaflet Maps Marker
MyReview
NextGEN Gallery
NewStatPress
Real Estate Website Builder
Really Simple Share
Reveal IDs
Revolution Slider
Sharebar
ShareThis
S2 member
SEO Auto Links & Related Posts
Share Buttons by AddToAny
Share Buttons by E-MAILiT
ShareThis
Social Discussions
Socialable
Similar Posts
Slimstat Analytics
SumoMe
Talk.To
Tribulent Slideshow Gallery
Ultimate Social Media & Share
VaultPress
WooCommerce Customer History
Wordfence (disable live traffic reports)
WordPress Facebook
WordPress Related Posts
WordPress Popular Posts
WordPress Social Ring
WP Bakey (formerly Visual Composer)
WP Facebook Like Plugin
WP Jump Menu
WP Social Bookmarking Lite
WP Social Share
WP Statistics
WP Power Stats
WP-PostViews
WPML (if you use too many extensions)
WPCloaker
WPML
Yet Another Related Post Plugin
Yuzo Related Posts

Is there any other slow plugins you’ve encountered?

Let me know if there is a recommendation for me to replace Contact Form 7 and Contextual Related Post plugins with a lighter plugin then do let me know.