diff --git a/web/app/themes/mitlib-child/header-slim.php b/web/app/themes/mitlib-child/header-slim.php
index 65181227..3016ab0d 100644
--- a/web/app/themes/mitlib-child/header-slim.php
+++ b/web/app/themes/mitlib-child/header-slim.php
@@ -21,6 +21,7 @@
 <!--<meta name="viewport" content="width=device-width" />-->
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title><?php wp_title( '|', true, 'right' ); ?></title>
+<?php get_template_part( 'inc/header', 'opengraph' ); ?>
 <link rel="profile" href="http://gmpg.org/xfn/11" />
 <link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
 <?php wp_head(); ?>
diff --git a/web/app/themes/mitlib-parent/functions.php b/web/app/themes/mitlib-parent/functions.php
index 11857e3c..3a887ea0 100644
--- a/web/app/themes/mitlib-parent/functions.php
+++ b/web/app/themes/mitlib-parent/functions.php
@@ -494,6 +494,17 @@ function customize_body_class( $classes ) {
 }
 add_filter( 'body_class', 'Mitlib\Parent\customize_body_class' );
 
+/**
+ * Defines a new value for the length of the excerpt.
+ *
+ * @param int $length Number of words to include in the excerpt.
+ * @return int The maximum number of words to include from the excerpt.
+ */
+function custom_excerpt_length( $length ) {
+	return 100;
+}
+add_filter( 'excerpt_length', 'Mitlib\Parent\custom_excerpt_length', 999 );
+
 /**
  * ============================================================================
  * ============================================================================