diff --git a/output/Html.php b/output/Html.php
index d1daa7173..68909d596 100644
--- a/output/Html.php
+++ b/output/Html.php
@@ -387,11 +387,24 @@ protected function build_sorter( $heading = '' ) {
 	/**
 	 * Returns a toggle control. Safe for output.
 	 *
+	 * @param string $context Optional. Information to uniquely label the toggle button for screen readers.
 	 * @return string Markup for the column sorter controls.
 	 */
-	protected static function build_toggler() {
-		$out = '<button class="qm-toggle" data-on="+" data-off="-" aria-expanded="false" aria-label="' . esc_attr__( 'Toggle more information', 'query-monitor' ) . '"><span aria-hidden="true">+</span></button>';
-		return $out;
+	protected static function build_toggler( $context = '' ) {
+		if ( $context !== '' ) {
+			$label = sprintf(
+				/* translators: Context about what this button toggles */
+				__( 'Toggle more information for %s', 'query-monitor' ),
+				wp_strip_all_tags( $context )
+			);
+		} else {
+			$label = __( 'Toggle more information', 'query-monitor' );
+		}
+
+		return sprintf(
+			'<button class="qm-toggle" data-on="+" data-off="-" aria-expanded="false" aria-label="%s"><span aria-hidden="true">+</span></button>',
+			esc_attr( $label )
+		);
 	}
 
 	/**
diff --git a/output/html/block_editor.php b/output/html/block_editor.php
index 1b48c52e5..76acc1e81 100644
--- a/output/html/block_editor.php
+++ b/output/html/block_editor.php
@@ -256,7 +256,7 @@ protected static function render_block( $i, array $block, QM_Data_Block_Editor $
 					echo '</td>';
 				} else {
 					echo '<td class="qm-nowrap qm-ltr qm-has-toggle' . esc_attr( $class ) . '">';
-					echo self::build_toggler(); // WPCS: XSS ok;
+					echo self::build_toggler( $block['callback']['name'] ); // WPCS: XSS ok;
 					echo '<ol>';
 					echo '<li>';
 					echo self::output_filename( $block['callback']['name'], $block['callback']['file'], $block['callback']['line'] ); // WPCS: XSS ok.
@@ -298,10 +298,11 @@ protected static function render_block( $i, array $block, QM_Data_Block_Editor $
 		$inner_html = $block['innerHTML'];
 
 		if ( $block['size'] > 300 ) {
+			$sub_string = substr( $inner_html, 0, 200 );
 			echo '<td class="qm-ltr qm-has-toggle qm-row-block-html">';
-			echo self::build_toggler(); // WPCS: XSS ok;
+			echo self::build_toggler( $sub_string ); // WPCS: XSS ok;
 			echo '<div class="qm-inverse-toggled"><pre class="qm-pre-wrap"><code>';
-			echo esc_html( substr( $inner_html, 0, 200 ) ) . '&nbsp;&hellip;';
+			echo esc_html( $sub_string ) . '&nbsp;&hellip;';
 			echo '</code></pre></div>';
 			echo '<div class="qm-toggled"><pre class="qm-pre-wrap"><code>';
 			echo esc_html( $inner_html );
diff --git a/output/html/caps.php b/output/html/caps.php
index c5cc06cb3..f034cb922 100644
--- a/output/html/caps.php
+++ b/output/html/caps.php
@@ -162,7 +162,7 @@ public function output() {
 				echo '<td class="qm-has-toggle qm-nowrap qm-ltr">';
 
 				if ( ! empty( $stack ) ) {
-					echo self::build_toggler(); // WPCS: XSS ok;
+					echo self::build_toggler( $caller ); // WPCS: XSS ok;
 				}
 
 				echo '<ol>';
diff --git a/output/html/db_queries.php b/output/html/db_queries.php
index d464b5248..2f4aca2f2 100644
--- a/output/html/db_queries.php
+++ b/output/html/db_queries.php
@@ -433,7 +433,7 @@ protected function output_query_row( array $row, array $cols ) {
 			echo '<td class="qm-row-caller qm-ltr qm-has-toggle qm-nowrap">';
 
 			if ( ! empty( $stack ) ) {
-				echo self::build_toggler(); // WPCS: XSS ok;
+				echo self::build_toggler( $caller_name ); // WPCS: XSS ok;
 			}
 
 			echo '<ol>';
diff --git a/output/html/environment.php b/output/html/environment.php
index a08363043..c1720476b 100644
--- a/output/html/environment.php
+++ b/output/html/environment.php
@@ -112,7 +112,7 @@ public function output() {
 		echo '<td class="qm-has-toggle qm-ltr">';
 
 		echo esc_html( (string) $data->php['error_reporting'] );
-		echo self::build_toggler(); // WPCS: XSS ok;
+		echo self::build_toggler( __( 'Error Reporting', 'query-monitor' ) ); // WPCS: XSS ok;
 
 		echo '<div class="qm-toggled">';
 		echo "<ul class='qm-supplemental'><li>{$error_levels}</li></ul>"; // WPCS: XSS ok.
@@ -129,7 +129,7 @@ public function output() {
 			printf( // WPCS: XSS ok.
 				'<div class="qm-inner-toggle">%1$s %2$s</div>',
 				esc_html( number_format_i18n( count( $data->php['extensions'] ) ) ),
-				self::build_toggler()
+				self::build_toggler( __( 'Extensions', 'query-monitor' ) )
 			);
 
 			echo '<div class="qm-toggled">';
diff --git a/output/html/hooks.php b/output/html/hooks.php
index 769c69e61..4b6a1a6e7 100644
--- a/output/html/hooks.php
+++ b/output/html/hooks.php
@@ -163,7 +163,7 @@ public static function output_hook_table( array $hooks ) {
 							echo '</td>';
 						} else {
 							echo '<td class="qm-nowrap qm-ltr qm-has-toggle' . esc_attr( $class ) . '">';
-							echo self::build_toggler(); // WPCS: XSS ok;
+							echo self::build_toggler( $action['callback']['name'] ); // WPCS: XSS ok;
 							echo '<ol>';
 							echo '<li>';
 							echo self::output_filename( $action['callback']['name'], $action['callback']['file'], $action['callback']['line'] ); // WPCS: XSS ok.
diff --git a/output/html/http.php b/output/html/http.php
index fce8fe380..c56268075 100644
--- a/output/html/http.php
+++ b/output/html/http.php
@@ -185,7 +185,9 @@ public function output() {
 				echo esc_html( $response );
 
 				if ( $show_toggle ) {
-					echo self::build_toggler(); // WPCS: XSS ok;
+					// translators: 1) HTTP query method, 2) queried URL, 3) HTTP response.
+					$context = sprintf( __( '%1$s to %2$s with status %3$s', 'query-monitor' ), $row['args']['method'], $url, $response );
+					echo self::build_toggler( $context ); // WPCS: XSS ok;
 					echo '<ul class="qm-toggled">';
 				}
 
@@ -245,7 +247,7 @@ public function output() {
 				echo '<td class="qm-has-toggle qm-nowrap qm-ltr">';
 
 				if ( ! empty( $stack ) ) {
-					echo self::build_toggler(); // WPCS: XSS ok;
+					echo self::build_toggler( $caller ); // WPCS: XSS ok;
 				}
 
 				echo '<ol>';
diff --git a/output/html/languages.php b/output/html/languages.php
index 34baf85ba..1b785e098 100644
--- a/output/html/languages.php
+++ b/output/html/languages.php
@@ -117,7 +117,7 @@ public function output() {
 						echo '</td>';
 					} else {
 						echo '<td class="qm-nowrap qm-ltr qm-has-toggle">';
-						echo self::build_toggler(); // WPCS: XSS ok;
+						echo self::build_toggler( $mofile['caller']['display'] ); // WPCS: XSS ok;
 						echo '<ol>';
 						echo '<li>';
 						// undefined:
diff --git a/output/html/logger.php b/output/html/logger.php
index 727d006a2..9e0cdfa8e 100644
--- a/output/html/logger.php
+++ b/output/html/logger.php
@@ -145,7 +145,7 @@ public function output() {
 			echo '<td class="qm-has-toggle qm-nowrap qm-ltr">';
 
 			if ( ! empty( $stack ) ) {
-				echo self::build_toggler(); // WPCS: XSS ok;
+				echo self::build_toggler( $caller ); // WPCS: XSS ok;
 			}
 
 			echo '<ol>';
diff --git a/output/html/multisite.php b/output/html/multisite.php
index 7163e6c0e..4088d1a14 100644
--- a/output/html/multisite.php
+++ b/output/html/multisite.php
@@ -122,7 +122,7 @@ public function output() {
 			echo '<td class="qm-has-toggle qm-nowrap qm-ltr">';
 
 			if ( ! empty( $stack ) ) {
-				echo self::build_toggler(); // WPCS: XSS ok;
+				echo self::build_toggler( $caller ); // WPCS: XSS ok;
 			}
 
 			echo '<ol>';
diff --git a/output/html/php_errors.php b/output/html/php_errors.php
index f119d5468..4068243f2 100644
--- a/output/html/php_errors.php
+++ b/output/html/php_errors.php
@@ -147,7 +147,7 @@ public function output() {
 					echo '<td class="qm-row-caller qm-row-stack qm-nowrap qm-ltr qm-has-toggle">';
 
 					if ( ! empty( $stack ) ) {
-						echo self::build_toggler(); // WPCS: XSS ok;
+						echo self::build_toggler( $error['filename'] ); // WPCS: XSS ok;
 					}
 
 					echo '<ol>';
diff --git a/output/html/timing.php b/output/html/timing.php
index 04faa8a95..1a53c819e 100644
--- a/output/html/timing.php
+++ b/output/html/timing.php
@@ -82,7 +82,7 @@ public function output() {
 					echo '</td>';
 				} else {
 					echo '<td class="qm-ltr qm-has-toggle">';
-					echo self::build_toggler(); // WPCS: XSS ok;
+					echo self::build_toggler( $row['function'] ); // WPCS: XSS ok;
 					echo '<ol>';
 					echo '<li>';
 					echo $file; // WPCS: XSS ok.
@@ -167,7 +167,7 @@ public function output() {
 					echo '</td>';
 				} else {
 					echo '<td class="qm-ltr qm-has-toggle">';
-					echo self::build_toggler(); // WPCS: XSS ok;
+					echo self::build_toggler( $row['function'] ); // WPCS: XSS ok;
 					echo '<ol>';
 					echo '<li>';
 					echo $file; // WPCS: XSS ok.
diff --git a/output/html/transients.php b/output/html/transients.php
index 072fd2f00..4a5559039 100644
--- a/output/html/transients.php
+++ b/output/html/transients.php
@@ -100,7 +100,7 @@ public function output() {
 				echo '<td class="qm-has-toggle qm-nowrap qm-ltr">';
 
 				if ( ! empty( $stack ) ) {
-					echo self::build_toggler(); // WPCS: XSS ok;
+					echo self::build_toggler( $caller ); // WPCS: XSS ok;
 				}
 
 				echo '<ol>';