| 1 |
<h1>WPSSO Core - Complete Schema Markup and Meta Tags</h1> |
| 2 |
|
| 3 |
<table> |
| 4 |
<tr><th align="right" valign="top" nowrap>Plugin Name</th><td>WPSSO Core</td></tr> |
| 5 |
<tr><th align="right" valign="top" nowrap>Summary</th><td>Present your content at its best for social sites and search results, no matter how URLs are shared, reshared, messaged, posted, embedded, or crawled.</td></tr> |
| 6 |
<tr><th align="right" valign="top" nowrap>Stable Version</th><td>22.7.0</td></tr> |
| 7 |
<tr><th align="right" valign="top" nowrap>Requires PHP</th><td>7.4.33 or newer</td></tr> |
| 8 |
<tr><th align="right" valign="top" nowrap>Requires WordPress</th><td>6.0 or newer</td></tr> |
| 9 |
<tr><th align="right" valign="top" nowrap>Tested Up To WordPress</th><td>7.1</td></tr> |
| 10 |
<tr><th align="right" valign="top" nowrap>Tested Up To WooCommerce</th><td>11.1.0</td></tr> |
| 11 |
<tr><th align="right" valign="top" nowrap>Contributors</th><td>jsmoriss</td></tr> |
| 12 |
<tr><th align="right" valign="top" nowrap>License</th><td><a href="https://wpsso.com/wp-content/plugins/wpsso/license/premium.txt">GPLv3</a></td></tr> |
| 13 |
<tr><th align="right" valign="top" nowrap>Tags / Keywords</th><td>schema, woocommerce, search results, optimize, meta tags</td></tr> |
| 14 |
</table> |
| 15 |
|
| 16 |
<h2>Description</h2> |
| 17 |
|
| 18 |
<h3 class="top">Complete Schema Markup and Meta Tags for WordPress</h3> |
| 19 |
|
| 20 |
<p>Present your content at its best for social sites and search results, no matter how URLs are shared, reshared, messaged, posted, embedded, or crawled.</p> |
| 21 |
|
| 22 |
<!-- about --> |
| 23 |
|
| 24 |
<p><strong>The most comprehensive and accurate Schema markup plugin for WooCommerce products.</strong></p> |
| 25 |
|
| 26 |
<p>Supports over 500 different Schema types and sub-types (including WooCommerce offers for Schema Books, Events, Products, Product Groups, and Services).</p> |
| 27 |
|
| 28 |
<p><strong>Provides complete Schema markup and meta tags for:</strong></p> |
| 29 |
|
| 30 |
<ul> |
| 31 |
<li>Facebook / Open Graph</li> |
| 32 |
<li>Google Knowledge Graph</li> |
| 33 |
<li>Google Merchant Feed XML</li> |
| 34 |
<li>Google Rich Results / Rich Snippets</li> |
| 35 |
<li>Image and Video SEO</li> |
| 36 |
<li>Instagram Catalog Feed XMLs</li> |
| 37 |
<li>Meta (Facebook and Instagram) Catalog Feed XMLs</li> |
| 38 |
<li>Mobile Web Browsers</li> |
| 39 |
<li>oEmbed for LinkedIn, Discord, and Drupal</li> |
| 40 |
<li>Pinterest Rich Pins</li> |
| 41 |
<li>Schema JSON-LD Markup</li> |
| 42 |
<li>Slack</li> |
| 43 |
<li>WhatsApp and Messaging Apps</li> |
| 44 |
<li>WordPress REST API</li> |
| 45 |
<li>WordPress Sitemaps XML</li> |
| 46 |
<li>X (Twitter) Cards</li> |
| 47 |
</ul> |
| 48 |
|
| 49 |
<!-- /about --> |
| 50 |
|
| 51 |
<p><strong>Fixes all Google Rich Results and Google Merchant errors, including:</strong></p> |
| 52 |
|
| 53 |
<ul> |
| 54 |
<li><em>A value for the headline field is required</em></li> |
| 55 |
<li><em>A value for the image field is required</em></li> |
| 56 |
<li><em>A value for the logo field is required</em></li> |
| 57 |
<li><em>A value for the publisher field is required</em></li> |
| 58 |
<li><em>Either "price" or "priceSpecification" should be specified (in "offers")</em></li> |
| 59 |
<li><em>Invalid value in field "priceSpecification"</em></li> |
| 60 |
<li><em>The aggregateRating field is recommended</em></li> |
| 61 |
<li><em>The brand field is recommended</em></li> |
| 62 |
<li><em>The headline field is recommended</em></li> |
| 63 |
<li><em>The image field is recommended</em></li> |
| 64 |
<li><em>The review field is recommended</em></li> |
| 65 |
<li><em>Missing field "address"</em></li> |
| 66 |
<li><em>Missing field "aggregateRating"</em></li> |
| 67 |
<li><em>Missing field "brand"</em></li> |
| 68 |
<li><em>Missing field "businessDays"</em></li> |
| 69 |
<li><em>Missing field "cutoffTime"</em></li> |
| 70 |
<li><em>Missing field "deliveryTime"</em></li> |
| 71 |
<li><em>Missing field "hasMerchantReturnPolicy" (in "offers")</em></li> |
| 72 |
<li><em>Missing field "image"</em></li> |
| 73 |
<li><em>Missing field "priceRange"</em></li> |
| 74 |
<li><em>Missing field "review"</em></li> |
| 75 |
<li><em>Missing field "shippingDetails" (in "offers")</em></li> |
| 76 |
<li><em>Missing field "telephone"</em></li> |
| 77 |
<li><em>No global identifier provided (e.g. gtin mpn isbn)</em></li> |
| 78 |
<li><em>Not a known valid target type for the itemReviewed property</em></li> |
| 79 |
<li><em>Price Mismatched value (page crawl): (price [price])</em></li> |
| 80 |
</ul> |
| 81 |
|
| 82 |
<p><strong>Optimized image sizes for social sites and search engines:</strong></p> |
| 83 |
|
| 84 |
<ul> |
| 85 |
<li>Commerce Manager Catalog Feed XML (Facebook and Instagram)</li> |
| 86 |
<li>Google Merchant Feed XML</li> |
| 87 |
<li>Open Graph (Facebook and oEmbed)</li> |
| 88 |
<li>Pinterest Pin It</li> |
| 89 |
<li>Schema 1:1 (Google Rich Results)</li> |
| 90 |
<li>Schema 4:3 (Google Rich Results)</li> |
| 91 |
<li>Schema 16:9 (Google Rich Results)</li> |
| 92 |
<li>Schema Thumbnail</li> |
| 93 |
<li>Video Preview Image</li> |
| 94 |
<li>X (Twitter) Summary Card</li> |
| 95 |
<li>X (Twitter) Summary Card Large Image</li> |
| 96 |
</ul> |
| 97 |
|
| 98 |
<p><strong>Reads additional information from active plugins, including:</strong></p> |
| 99 |
|
| 100 |
<ul> |
| 101 |
<li><a href="https://wordpress.org/plugins/co-authors-plus/">Co-Authors Plus</a></li> |
| 102 |
<li><a href="https://wordpress.org/plugins/elementor/">Elementor Website Builder</a></li> |
| 103 |
<li>Gravity Forms</li> |
| 104 |
<li>Gravity View</li> |
| 105 |
<li><a href="https://wordpress.org/plugins/jetpack/">Jetpack</a></li> |
| 106 |
<li><a href="https://wordpress.org/plugins/jetpack-boost/">Jetpack Boost</a></li> |
| 107 |
<li><a href="https://wordpress.org/plugins/judgeme-product-reviews-woocommerce/">Judge.me Product Reviews for WooCommerce</a></li> |
| 108 |
<li><a href="https://wordpress.org/plugins/wp-retina-2x/">Perfect Images</a></li> |
| 109 |
<li><a href="https://wordpress.org/plugins/perfect-woocommerce-brands/">Perfect Brands for WooCommerce</a></li> |
| 110 |
<li><a href="https://wordpress.org/plugins/polylang/">Polylang</a></li> |
| 111 |
<li>Product GTIN (EAN, UPC, ISBN) for WooCommerce</li> |
| 112 |
<li><a href="https://wordpress.org/plugins/publishpress-authors">PublishPress Authors</a></li> |
| 113 |
<li>qTranslate-XT</li> |
| 114 |
<li><a href="https://wordpress.org/plugins/rate-my-post/">Rate my Post</a></li> |
| 115 |
<li><a href="https://wordpress.org/plugins/simple-job-board/">Simple Job Board</a></li> |
| 116 |
<li><a href="https://wordpress.org/plugins/the-events-calendar/">The Events Calendar</a></li> |
| 117 |
<li><a href="https://wordpress.org/plugins/ultimate-member/">Ultimate Member</a></li> |
| 118 |
<li><a href="https://wordpress.org/plugins/woocommerce/">WooCommerce</a></li> |
| 119 |
<li>WooCommerce Brands</li> |
| 120 |
<li>WooCommerce Currency Switcher</li> |
| 121 |
<li>WooCommerce UPC, EAN, and ISBN</li> |
| 122 |
<li><a href="https://wordpress.org/plugins/wp-job-manager/">WP Job Manager</a></li> |
| 123 |
<li><a href="https://wordpress.org/plugins/wp-postratings/">WP-PostRatings</a></li> |
| 124 |
<li>WP Product Review</li> |
| 125 |
<li><a href="https://wordpress.org/plugins/wp-recipe-maker/">WP Recipe Maker</a></li> |
| 126 |
<li>WPML</li> |
| 127 |
<li><a href="https://wordpress.org/plugins/yith-woocommerce-brands-add-on/">YITH WooCommerce Brands Add-on</a></li> |
| 128 |
<li><a href="https://wordpress.org/plugins/yotpo-social-reviews-for-woocommerce/">Yotpo Social Reviews for WooCommerce</a></li> |
| 129 |
</ul> |
| 130 |
|
| 131 |
<p><strong>Supports additional WooCommerce product attributes:</strong></p> |
| 132 |
|
| 133 |
<ul> |
| 134 |
<li>Book Author Name</li> |
| 135 |
<li>Book ISBN</li> |
| 136 |
<li>Product Adult Type</li> |
| 137 |
<li>Product Age Group</li> |
| 138 |
<li>Product Availability</li> |
| 139 |
<li>Product Brand</li> |
| 140 |
<li>Product Google Category ID</li> |
| 141 |
<li>Product Color</li> |
| 142 |
<li>Product Condition</li> |
| 143 |
<li>Product Currency</li> |
| 144 |
<li>Product Energy Rating</li> |
| 145 |
<li>Product Fluid Volume</li> |
| 146 |
<li>Product GTIN-14</li> |
| 147 |
<li>Product GTIN-13 (EAN)</li> |
| 148 |
<li>Product GTIN-12 (UPC)</li> |
| 149 |
<li>Product GTIN-8</li> |
| 150 |
<li>Product GTIN</li> |
| 151 |
<li>Product Net Height</li> |
| 152 |
<li>Product ISBN</li> |
| 153 |
<li>Product Net Len. / Depth</li> |
| 154 |
<li>Product Material</li> |
| 155 |
<li>Product MPN</li> |
| 156 |
<li>Product Min Advert Price</li> |
| 157 |
<li>Product Pattern</li> |
| 158 |
<li>Product Price</li> |
| 159 |
<li>Product Price Type</li> |
| 160 |
<li>Product SKU</li> |
| 161 |
<li>Product Shipping Height</li> |
| 162 |
<li>Product Shipping Length</li> |
| 163 |
<li>Product Shipping Weight</li> |
| 164 |
<li>Product Shipping Width</li> |
| 165 |
<li>Product Size</li> |
| 166 |
<li>Product Size Group</li> |
| 167 |
<li>Product Size System</li> |
| 168 |
<li>Product Target Gender</li> |
| 169 |
<li>Product Net Weight</li> |
| 170 |
<li>Product Net Width</li> |
| 171 |
</ul> |
| 172 |
|
| 173 |
<p><strong>Optionally improves the structured data markup of other SEO plugins:</strong></p> |
| 174 |
|
| 175 |
<p>WPSSO Core and its add-ons can also run in combination with other SEO plugins to improve their performance and structured data markup.</p> |
| 176 |
|
| 177 |
<ul> |
| 178 |
<li>All in One SEO Pack</li> |
| 179 |
<li>Rank Math SEO</li> |
| 180 |
<li>SEOPress</li> |
| 181 |
<li>The SEO Framework</li> |
| 182 |
<li>WP Meta SEO</li> |
| 183 |
<li>Yoast SEO</li> |
| 184 |
</ul> |
| 185 |
|
| 186 |
<p><strong>Premium edition can retrieve data from service APIs automatically, including:</strong></p> |
| 187 |
|
| 188 |
<ul> |
| 189 |
<li>Bitly Short URL</li> |
| 190 |
<li>DLMY.App Short URL</li> |
| 191 |
<li>Facebook Video Data</li> |
| 192 |
<li>Gravatar Image Data</li> |
| 193 |
<li>Judge.me Review Data</li> |
| 194 |
<li>Ow.ly Short URL</li> |
| 195 |
<li>Shopper Approved Review Data</li> |
| 196 |
<li>Slideshare Presentation Data</li> |
| 197 |
<li>Soundcloud Track Data</li> |
| 198 |
<li>Stamped.io Review Data</li> |
| 199 |
<li>TinyURL Short URL</li> |
| 200 |
<li>Vimeo Video Data</li> |
| 201 |
<li>Wistia Video Data</li> |
| 202 |
<li>WP Media Library Video Block Data</li> |
| 203 |
<li>WP Media Library Video Shortcode Data</li> |
| 204 |
<li>Your Own URL Shortener (YOURLS) Short URL</li> |
| 205 |
<li>YouTube Video and Playlist Data</li> |
| 206 |
</ul> |
| 207 |
|
| 208 |
<h2>Installation</h2> |
| 209 |
|
| 210 |
<h3 class="top">Install and Uninstall</h3> |
| 211 |
|
| 212 |
<ul> |
| 213 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/installation/install-the-plugin/">Install the WPSSO Core Plugin</a></li> |
| 214 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/installation/uninstall-the-plugin/">Uninstall the WPSSO Core Plugin</a></li> |
| 215 |
</ul> |
| 216 |
|
| 217 |
<h3>Plugin Setup</h3> |
| 218 |
|
| 219 |
<ul> |
| 220 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/installation/setup-guide/">Setup Guide</a></li> |
| 221 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/installation/developer-special-buy-one-get-one-free/">Developer Special: Buy one, Get one Free</a></li> |
| 222 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/installation/better-schema-for-woocommerce/">Better Schema Markup for WooCommerce</a></li> |
| 223 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/installation/troubleshooting-guide/">Troubleshooting Guide</a></li> |
| 224 |
</ul> |
| 225 |
|
| 226 |
<h2>Frequently Asked Questions</h2> |
| 227 |
|
| 228 |
<h3 class="top">Frequently Asked Questions</h3> |
| 229 |
|
| 230 |
<ul> |
| 231 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/does-linkedin-read-the-open-graph-meta-tags/">Does LinkedIn read Facebook / Open Graph meta tags?</a></li> |
| 232 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-can-i-fix-a-err_too_many_redirects-error/">How can I fix a ERR_TOO_MANY_REDIRECTS error?</a></li> |
| 233 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-can-i-fix-a-generic-http-500-error/">How can I fix a generic HTTP 500 error?</a></li> |
| 234 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-can-i-fix-a-php-fatal-out-of-memory-error/">How can I fix a PHP fatal "out of memory" error?</a></li> |
| 235 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-can-i-fix-an-http-error-when-uploading-images/">How can I fix an HTTP error when uploading images?</a></li> |
| 236 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-can-i-have-smaller-dimensions-for-the-default-image/">How can I have smaller dimensions for the default image?</a></li> |
| 237 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-can-i-see-what-the-facebook-crawler-sees/">How can I see what the Facebook crawler sees?</a></li> |
| 238 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-do-i-create-a-schema-faqpage/">How do I create a Schema FAQPage?</a></li> |
| 239 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-do-i-enable-wordpress-wp_debug/">How do I enable WordPress WP_DEBUG?</a></li> |
| 240 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-do-i-remove-duplicate-meta-tags/">How do I remove duplicate meta tags?</a></li> |
| 241 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-does-wpsso-find-detect-select-images/">How does WPSSO Core find and select images?</a></li> |
| 242 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/how-does-wpsso-find-detect-select-videos/">How does WPSSO Core find and select videos?</a></li> |
| 243 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/w3c-says-there-is-no-attribute-property/">W3C says "there is no attribute 'property'"</a></li> |
| 244 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/why-are-some-html-elements-missing-misaligned-different/">Why are some HTML elements missing or misaligned?</a></li> |
| 245 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/why-does-facebook-show-the-wrong-image-text/">Why does Facebook show the wrong image / text?</a></li> |
| 246 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/why-does-google-structured-data-testing-tool-show-errors/">Why does the Schema Markup Validator show errors?</a></li> |
| 247 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/faqs/why-shouldnt-i-upload-small-images-to-the-media-library/">Why shouldn't I upload small images to the media library?</a></li> |
| 248 |
</ul> |
| 249 |
|
| 250 |
<h3>Notes and Documentation</h3> |
| 251 |
|
| 252 |
<ul> |
| 253 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/notes/developer/">Developer Resources</a> |
| 254 |
|
| 255 |
<ul> |
| 256 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/notes/developer/the-mod-variable/">$mod Variable</a></li> |
| 257 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/notes/developer/actions/">Actions</a></li> |
| 258 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/notes/developer/constants/">Constants</a></li> |
| 259 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/notes/developer/filters/">Filters</a></li> |
| 260 |
</ul></li> |
| 261 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/notes/inline-variables/">Inline Variables</a></li> |
| 262 |
<li><a href="https://wpsso.com/docs/plugins/wpsso/notes/multisite-network-support/">Multisite / Network Support</a></li> |
| 263 |
</ul> |
| 264 |
|
| 265 |
|