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manifest / seo / seo-meta-generator

FreePass SEO Meta Generator

WordPress plugin for generating meta tags, Open Graph, Schema.org, and canonical URLs for pages and posts.

by asia-dev-team · github.com/asia-dev-team/seo-meta-generator

★ 0stars

Install

Download source zip No release zip yet

This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.

Install straight from GitHub with WP-CLI:

wp plugin install https://github.com/asia-dev-team/seo-meta-generator/archive/refs/heads/main.zip
No built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Readme github.com/asia-dev-team/seo-meta-generator ↗

WordPress plugin that generates SEO meta tags, Open Graph and Twitter Card tags, and Schema.org JSON-LD for posts and pages, and outputs them in <head>.

What it does

  • On every save of a post or page, builds the tags and stores the ready HTML in the post meta field _freepass_seo_meta_tags_html.
  • Outputs the stored HTML in <head> (wp_head, priority 1) on single posts and pages.
  • On the front page, outputs Schema.org WebSite markup with the organization data from the settings.
  • Fills values automatically when no custom value is set:
    • description — first 25 words of the content;
    • Open Graph image — the featured image;
    • Open Graph title — the post title.
  • Detects the Schema.org type automatically, or uses the type chosen in the editor:
    • Article for posts;
    • ContactPage for a page with slug contact, AboutPage for slug about, WebPage for other pages;
    • available manual types: Article, BlogPosting, WebPage, AboutPage, ContactPage, Service.
  • Adds list columns and Quick Edit fields for description, Open Graph title, description, image, and the auto-update switch.

Generated tags

meta description, og:title, og:description, og:image (with width, height, type), og:type, og:url, twitter:card, twitter:title, twitter:description, twitter:image, and a Schema.org JSON-LD block with a nested Organization.

Requirements

  • WordPress with permission to edit posts; plugin settings need manage_options.

Installation

  1. Copy the plugin folder to wp-content/plugins/.
  2. Activate FreePass SEO Meta Generator in Plugins.
  3. Fill in the organization data in Settings → FreePass SEO Meta Generator.
  4. Re-save existing posts and pages: tags are generated only on save.

Settings

Setting Option Fallback when empty
Organization name freepass_seo_org_name FreePass Asia
Organization URL freepass_seo_org_url site home URL
Organization logo freepass_seo_org_logo <theme>/images/logo.png
Phone freepass_seo_org_phone +66 69 4538 8352
Contact email freepass_seo_org_email —

Editor fields

Two meta boxes on the post and page editor:

  • Schema.org Metadata — schema type, alternative headline, article editor, keywords, page language; for Service: service type, area served, price range; the Disable metadata auto-update checkbox.
  • Meta Tags — meta description, Open Graph title, description, and image.

With Disable metadata auto-update on, saving the post does not regenerate its tags.

Project structure

freepass-seo.php   The whole plugin: generation, output, list columns, Quick Edit, meta boxes, settings page

Known limitations

  • No <link rel="canonical"> tag is output, although the plugin description mentions canonical URLs; only og:url and Schema.org url contain the permalink.
  • The generated HTML starts with an <html prefix="og: http://ogp.me/ns#"> tag inside <head>, which is invalid markup.
  • og:image:width, og:image:height, and og:image:type are hard-coded to 1200, 630, and image/png for every image.
  • og:type is always article, including for pages.
  • Fallback organization data (name, phone, author URL https://freepass.asia) is hard-coded for FreePass Asia.
  • Only post and page are supported; other post types get no tags.
  • Existing content gets tags only after it is re-saved.