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Why does the plugin create more than 1 sitemap?

Image Sitemap Pro plugin creates separate sitemap files in two scenarios

Case 1

Image Sitemap Pro contains 1,000 URL per sitemap.This is to ensure sitemap file size is less.Smaller file size helps Google bot read file faster. So if your website has more than 1,000 URL you will see more than 1 sitemap file.

Case 2

Image Sitemap Pro creates separate sitemap files for eCommerce plugins and Gallery plugins. So if you are using these two together on your site then you will see more than one sitemap file.

Along with regular sitemap file it creates one index sitemap file.The index sitemap file should be added to Google.All regular sitemap files are included in the index sitemap file.

Which sitemap map should be added to Google?

You should always add the index sitemap file for example your-domain.com/sitemap-index-image.xml

Can I use your plugin with regular sitemap plugin?

Yes you can this plugin with regular sitemap plugin.Image sitemap pro deal with images only.So both sitemap files play well together. Here is link stating Google point of view on duplicate URL in sitemaps


File is not writable error

If you are getting file not writable error then make sure your web root is writable. You can create below blank files and make them writable (664 file permission)

  • sitemap-index-image.xml
  • sitemap-image-1.xml

Yoast SEO issue

Image Sitemap Pro is fully compatible with Yoast SEO plugin.

But there is some confusion. Yoast SEO throws below error if you are using Sitemap functionality of Yoast SEO plugin along with any other sitemap plugin.

The following file is blocking your XML sitemaps from working properly. Either delete it (this can be done with the \”Fix it\” button) or disable Yoast SEO XML sitemaps. After the error you have full path of sitemap files

Above warning is given for not only Image Sitemap Pro but every other sitemap plugin if used along with Yoast SEO sitemap functionality.

This warning can be ignored. Yoast SEO plugin searches for file names starting with sitemap and have xml extension. If there are any such files present then it will throw error.

You should submit both Yoast SEO sitemap and Image Sitemap Pro sitemap to Google Search console or other webmaster tools.Yoast SEO uses below code to throw above warning (for your reference)

/** * Find sitemaps residing on disk as they will block our rewrite. * * @since 3.1 */
public function detect_blocking_filesystem_sitemaps() {
$wpseo_xml_options = WPSEO_Options::get_option( \'wpseo_xml\' );
if ( $wpseo_xml_options[\'enablexmlsitemap\'] !== true )
unset( $wpseo_xml_options ); // Find all files and directories
containing \'sitemap\' and are post-fixed .xml. $blocking_files = glob(
ABSPATH . \'*sitemap*.xml\', ( GLOB_NOSORT | GLOB_MARK ) );
if ( false === $blocking_files ) { // Some systems might return error on no matches.
$blocking_files = array();
} // Save if we have changes.
$wpseo_options = WPSEO_Options::get_option( \'wpseo\' );
if ( $wpseo_options[\'blocking_files\'] !== $blocking_files )
$wpseo_options[\'blocking_files\'] = $blocking_files;
update_option( \'wpseo\', $wpseo_options );

Google XML Sitemap issue

Google XML Sitemaps plugin and Image Sitemap Pro do have some issues on WordPress Multisite installation. This does not mean you can not use them together.

If you are using Google XML Sitemaps plugin on multisite then my plugin may not create sitemap.You may get 404 error if you try to access sitemap-index-image.xml.

The issue can be resolved easily with below work around.

Step 1

Install and configure the Google XML Sitemaps plugin.

Step 2

Install and activate Image Sitemap Pro plugin.

That’s all. Both plugins should work fine.

You should deactivate and activate my plugin if you are deactivating and activating the Google XML sitemaps plugin. The technical reason is that Google XML sitemaps plugin wipes out the rewrite rules created by my plugin. So Image Sitemap Pro should be activated last.

All in One SEO issue

All in One SEO plugin and Image Sitemap Pro have issues working together on Multisite installation.On normal installation it works fine. The issue occurs if you are using All in One SEO sitemap feature with Image Sitemap Pro on Multisite.

If you are not using Sitemap feature of All in One SEO then both plugins should work fine. Below is the change required to make both plugins work together

Step 1

Open the file aioseop_sitemap.php in modules folder of All in One SEO plugin.

Step 2

Look for below line in the file

return $sitemap_rules;

Step 3

Add three lines above the line so the whole thing should look like

global $wp_rewrite;
$udinra_img_feed_rules = array( 'sitemap-index-image.xml$' => $wp_rewrite->index . '?feed=sitemap-index-image' );
$sitemap_rules = $udinra_img_feed_rules + $sitemap_rules_gzipped + $sitemap_rules_normal ;
return $sitemap_rules;

Step 4

Save the file.Now activate my plugin and then activate All in One SEO.

The above change will make both plugins work well.Above change is required if you ever update All in One SEO plugin.

I will look to handle the issue in my plugin or other ways to that every update wipe out issue is resolved. But as of now this work around is the best way out.