Zynith SEO will be concluding its LTD program on May 1st of 2024!
Get $10 off your LTD purchase until then with the promotion code 10OFF!

Zynith SEO – WordPress Plugin


A comprehensive yet lightweight SEO plugin designed for complete customization control, featuring automated XML sitemaps, an advanced schema generator, and more, all tailored for optimal search performance.

Tags: SEO, XML Sitemap, Schema Markup, Meta Tags, Robots.txt, SEO Signals, WordPress SEO, Breadcrumbs, TOC
Requires at least: 4.0
Tested up to: 6.4.3
Stable tag: 7.2.8
License: GPL-3.0
License URI: https://www.gnu.org/licenses/gpl-3.0.html


1. Upload the plugin files to WordPress through the Add New button.

2. Activate the plugin through the ‘Plugins’ screen in WordPress.

3. Configure the plugin settings through the Zynith SEO options in the WordPress admin menu.

Frequently Asked Questions

What does the Zynith SEO Plugin do?

The Zynith SEO Plugin is a powerful tool designed to improve your website’s search engine rankings, drive more organic traffic, and enhance user experience. It offers a wide range of features, including on-page optimization, sitemap management, schema markup, and much more. With Zynith, you can streamline your SEO efforts and make your website more search engine-friendly.

What are the key features of the Zynith SEO Plugin?

The Zynith SEO Plugin offers a comprehensive set of features, including:

  • On-Page Optimization: Optimize meta titles, meta descriptions, and open graph images.
  • Keyword Density Analysis: Calculate keyword density for better visibility.
  • Robots.txt Management: Create and manage static or dynamic robots.txt files.
  • Redirect Management: Implement 301 or 302 redirects for SEO value preservation.
  • Schema Markup: Enhance search results with structured data markup.
  • AI-Generated Schema: Use OpenAI’s AI model to generate schema automatically.
  • SEO Signals: Get real-time feedback on content length, HTML-to-text ratio, and more.
  • Custom Scripts: Inject custom scripts into your site for tracking and analytics.
  • Automatic Sitemap Updates: Keep your sitemap current with automatic regeneration.
What is schema markup, and how does the plugin help with it?

Schema markup is a structured data language that helps search engines understand content better and display more informative search results. The Zynith SEO Plugin offers manual schema creation and AI-generated schema options. To enhance your search engine visibility, you can create schema markup for various content types, such as articles, events, products, and more.

How can I optimize my content for search engines using this plugin?

The plugin provides tools for optimizing your content, including meta titles, meta descriptions, and keyword density analysis. It helps you ensure that your content aligns with SEO best practices, making it more attractive to search engines.

Can I control how search engines crawl my website with this plugin?

Yes, you can. The Zynith SEO Plugin allows you to create and manage robots.txt files, both static and dynamic. This gives you control over how search engines access and index your site’s content.

Does the plugin offer any tools for managing redirects?

Absolutely. You can use the plugin to set up both 301 (permanent) and 302 (temporary) redirects. This is useful for preserving SEO value when you change URLs or restructure your site.

What are SEO signals, and how do they work in this plugin?

SEO signals are real-time feedback indicators that help you assess your content’s SEO performance. The plugin offers signals related to content length, HTML-to-text ratio, broken links, internal links, external links, and AI-generated content authenticity.

How can I add custom scripts to my website using this plugin?

The Zynith SEO Plugin allows you to inject custom scripts into the head and body sections of your pages. This feature is handy for adding tracking codes, analytics scripts, or other custom functionalities.

What is the purpose of the automatic sitemap updates feature?

Sitemaps help search engines crawl and index your website effectively. The plugin offers automatic sitemap regeneration, ensuring that your sitemap is always up-to-date. You can also customize the sitemap filename.

What does WordPress error ‘Incompatible Archive’ mean?

‘Incompatible Archive’ is an error that can occur when uploading a Zip file to WordPress. It can occur with both plugins and themes. The error occurs with WordPress version 6.4.3 and Zip files that have been compiled on a Mac. Luckily for Zynith SEO users, we were likely one of the first plugin developers in the world to discover the issue and fix it within minutes of a couple of users reporting the error.


Current Version: 7.2.8

Another fix to a critical error occurring with the plugin updater.

Previous Versions: 7.0.0 to 7.2.7


Fixed a critical error issue with the plugin updater.


Added additional HTML tags to the Script Manager, including noscript and iframe.


Fixed a critical error issue with previous update.


Updated the Script Manager to include more HTML tags and attributes.


Made more changes to the plugin updater code to fix ongoing update issues.


  • Made changes to the plugin updater code to fix ongoing update issues.
  • Modified the Script Manager styling slightly.


Fixed a permissions error with the featured image when the Media REST API endpoint is disabled.


  • Upgraded the Scripts functionality to allow management across specific pages in addition to a global option.
  • Added additional functionalities to Zynith Writer.
  • Added a Delete All button to the 404 Manager.
  • Reverted back to WordPress default for the meta title, defaulting to title if no meta title is set.
  • Removed default description if no excerpt is on the page.
  • Removed template URLs in the sitemap that appear when using Divi.


Fixed an error with the %%date%% shortcode automatically converting to %te%% on save.


Fixed the Zip file error (Incompatible Archive) that occurred with the new WordPress version 6.4.3 and Mac Zip files.


Added code for Divi Page Builder to allow Zynith to set the meta title instead of using the Divi meta title settings.


Error when updating that has been resolved.


Code cleanup.


Updated the schema section to remove the trailing comma on the last item of each object.


  • Set default meta title for categories (if empty) to category name.
  • Set default meta description for categories (if empty) to category description or page excerpt.
  • Removed Zynith favicon on sitemap.
  • Design and style improvements.
  • Codebase tidy-up.


  • Added ability to disable Gutenberg editor
  • Added ability to disable media endpoint for security.
  • Edited default CSS for minimalist look.


Fixed CSS conflicts with Zynith themes and page builder’s CSS.


Fixed ongoing issues with different page builders.


Fixed formatting issues that occurred with WPBakery Page Builder.


  • Fixed PHP errors that some users experienced from the last update.
  • Fixed CSS conflict that some users experienced from the last update.
  • Temporarily removed plugin color theme styles.


  • Added placeholder variables.
  • Set Title has meta title default and Excerpt as meta description default.
  • New and improved Schema section.
  • Removed Search and Replace function.
  • Updated the code for the Broken Links Signal to improve the speed when editing pages with hundreds of links.

Previous Versions: 6.3.9 and older


  • Updated and changed “Quick Ryter” to “Zynith Writer”.
  • Added a new Clone feature to pages and posts.
  • Fixed a small PHP error that some users experienced on plugin activation.


Added an import/export function in the Settings menu for RankMath and Yoast.


Remove sitemap on deactivation.


More dynamic schema calls added.


Fixed error that appears in the TOC settings on some page builders.


Fixed a PHP error in the 404 Manager.


Added a new 404 Manager.


Added a toggle option for ‘canonical tag’ to allow an alternate plugin to add the canonical tag.


Version renumber purely for WordPress to realize there is a new version released, as it wasn’t recognizing versions after 6.0.9.


Added in the meta property for “og:type”.


Fix 404 CSS error.


  • Ensure the default CSS is loaded when no CSS has been added.
  • Fix to Signals selectors and Robots Meta.


New Table of Contents customization section in the Settings menu.


Table of Contents updated to only run on pages where shortcode is present.


Table of Contents updated to include jump links to headings.


  • Compatibility fix for new WordPress versions.
  • Updated Z Y N I T H plugin documentation and streamlined information settings on WordPress plugin pages.
  • General codebase cleanup in zynith-seo.php file.

Contributors & Developers

Schieler Mew, Kellie Watson, Daniel Nielsen

© Copyright Zynith SEO. All Rights Reserved. | Privacy Policy | Sitemap

All sales from Zynith.app are final on all digital purchases or subscriptions. Zynith is a business entity owned by VIICTORY MEDIA LLC