Plugins
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Alligator Popup
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Anything Popup
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Better Internal Link Search
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Contact Form Clean and Simple
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Ditty – Responsive News Tickers, Sliders, and Lists
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Enable Media Replace
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Flexible Recent Posts
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Google Plus Authorship
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Google+ Comments
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Multi-language Responsive Contact Form
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PopupAlly
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Simple Pull Quote
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TablePress - Tables in WordPress made easy
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WordPress Google Plus Comments
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WP Mail SMTP by WPForms - The Most Popular SMTP and Email Log Plugin
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WP Social SEO Booster - Knowledge Graph Social Signals SEO
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WP-EMail
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WPSSO Core - The Complete Structured Data Plugin: Schema Markup, SEO and Social Meta Tags, Snippets, Feeds, Sitemaps, Breadcrumbs