Yoast SEO Premium (formerly known as WordPress SEO by Yoast) is the most complete WordPress SEO plugin that exists today for WordPress users.
Demo: https://yoast.com/wordpress/plugins/seo/
SEOPress Pro is a Simple, fast and powerful SEO plugin for WordPress. It have All the features you need in one plugin: breadcrumbs, redirections, schemas, sitemaps, broken link checker.
Demo: https://www.seopress.org
Seoland - Digital Marketing & SEO Agency WordPress Theme is a modern, creative, original, clean and attractive website for SEO, digital marketing agency, creative agency, web development agency, social media marketing, website analysis.
Demo: https://themeforest.net/item/seoland-seo-and-digital-marketing-agency-wordpress-theme/51857427
Rank Math SEO PRO is a search engine optimization plugin for WordPress that allows anyone to easily optimize their content with built-in suggestions based on widely accepted best practices.
Demo: https://rankmath.com
A powerful plugin to add structured data for your posts, pages, or any custom post types in WordPress to help Google better understand your content.
Demo: https://wpslimseo.com/products/slim-seo-schema/
Flexible WordPress theme specially designed for Digital Marketing Agency, SEO company, Social Media freelancers and their clients.
Demo: https://themeforest.net/item/seo-wp-online-marketing-seo-social-media-agency/8012838
Why Ewebot? The answer is simple, it’s the #1 SEO & Marketing Elementor WordPress theme.
Demo: https://themeforest.net/item/ewebot-seo-and-marketing-agency-wordpress-theme/24776025
Digimax was specially created for SEO & Digital Marketing Agency companies. It is based on the latest bootstrap with premium features.
Demo: https://themeforest.net/item/digimax-seo-digital-marketing-agency-html-template/28154934
Welcome to Numérique, a modern Digital Marketing and SEO Theme. This lovely niche theme is built and suitable for any business operating in the Digital Marketing industry.
Demo: https://themeforest.net/item/numrique-seo-digital-marketing-wordpress/46189340
Writerap is a powerful AI-driven SaaS application designed to streamline your content creation process. Generate high-quality articles, blogs, images, and videos in minutes.
Demo: https://codecanyon.net/item/writerap-ai-content-generator-with-seo-optimizer-saas-application/56509990
Onum is a business WordPress theme designed specifically for SEO & Digital Marketing companies and those that offer SEO services.
Demo: https://themeforest.net/item/onum-seo-marketing-elementor-wordpress-theme/25257938
Self-hosted, lightweight and performant fully-featured SEO checker platform PHP script.
Demo: https://66audit.com