WordPress optimization to add ALT and title attributes to the article image

In WordPress optimization. Image ALT and image title optimization is a very important SEO optimization, but if there are too many images in the article, it will be very troublesome to manually add alt attribute and image title attribute to each image, especially when there are too many images.

Of course, there are WordPress plugins that can automatically add ALT and title to images, but you don’t like to use plugins, so today you share a WordPress tutorial that uses plugin free pure code to automatically add ALT and title to images.

The method is very simple, copy the above code to the functions.php File is enough

//Auto add to article imagealtandtitleinformation
add_filter('the_content', 'imagesalt');
function imagesalt($content) {
       global $post;
       $pattern ="/<a(.*?)href=('|")(.*?).(bmp|gif|jpeg|jpg|png)('|")(.*?)>/i";
       $replacement = '<a$1href=$2$3.$4$5 alt="'.$post->post_title.'" title="'.$post->post_title.'"$6>';
       $content = preg_replace($pattern, $replacement, $content);
       return $content;
}

After adding the code, refresh the article to see the properties of the image. Are there more ALT and tile properties?

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