SEOソフトウェア

A WordPress SEO plugin that automatically displays published and last updated dates for posts and pages. Features include responsive design with horizontal layout, shortcode support, PHP functions for theme integration, non-conflicting DigitalDocument schema markup, Last-Modified HTTP headers, and customizable styling options.

A minimal WordPress base theme optimized for media sites with built-in SEO and LLMO support, designed for plugin-based extensibility.

Kashiwazaki SEO OGP Manager is a feature-rich plugin that makes it easy to manage OGP (Open Graph Protocol) and Twitter Cards for WordPress sites.

Advanced data collection plugin with Google Dataset Search optimization. Automatically generates voting and survey data in 5 formats (CSV/XML/YAML/JSON/SVG), maximizing SEO impact through complete structured data.

Advanced SEO breadcrumbs plugin with URL status checking to avoid 404 errors and automatic hierarchy generation from URL structure.

An SEO plugin that automatically generates structured data (JSON-LD) based on content type. It supports the Article, NewsArticle, BlogPosting, and WebPage schemas, and outputs comprehensive structured data that also includes breadcrumbs.

A WordPress plugin that automatically generates SEO-optimized landing pages for academic research preprints (papers prior to peer review).

Kashiwazaki SEO Dynamic Date is a plugin that allows you to easily insert dynamic dates into your WordPress site content. By using the [ksdate] shortcode, you can display automatically updated dates and keep your content fresh.

Kashiwazaki SEO Custom Post Types is a WordPress plugin that makes it easy to add custom post types to your site. Even without coding knowledge, you can create and manage custom post types through an intuitive interface in the admin dashboard.

Professional WordPress related posts plugin powered by OpenAI GPT and advanced similarity calculations. Features 3-tier settings system, detailed API statistics, and optimized performance for large-scale sites.

Lock the last modified date (post_modified) of WordPress posts and intentionally control the update date for SEO optimization.

An SEO-optimized plugin that generates XML sitemaps by post type and supports news, image, and video sitemaps.

Kashiwazaki Shortcode Collector is a powerful WordPress plugin that lets you beautifully showcase posts, pages, and custom post types. With its intuitive interface, it’s easy to use for everyone—from beginners to advanced users.

WordPress plugin for SEO author schema display with social links and JSON-LD generation

WordPress plugin that generates llms.txt and llms-full.txt files for AI/LLM accessibility and SEO optimization

Kashiwazaki SEO Link Weaver is a WordPress plugin that allows you to easily create JavaScript-driven links, unlike standard HTML links. It enables you to finely control both the behavior and appearance of links to enhance SEO strategy and improve user experience.

Batch check the health of multiple XML files (such as sitemaps and RSS feeds). Automate monitoring with scheduled runs and email notifications to keep essential SEO-related XML files under control.

Kashiwazaki SEO Blocks is a WordPress plugin that helps you create SEO-friendly content with ease. Featuring multiple beautifully designed and highly customizable blocks, it provides powerful support for building professional websites.

Automatically extract SEO-friendly keywords from WordPress posts and pages using OpenAI GPT.

Automatically generate SEO-optimized meta descriptions for WordPress posts and pages using OpenAI GPT.

A plugin to manage old slugs, allowing you to edit, delete, and disable redirects for them from the WordPress admin panel.