diff --git a/crates/biome_configuration/src/generated/linter_options_check.rs b/crates/biome_configuration/src/generated/linter_options_check.rs
index 33b0ac669c79..1617cf8c2269 100644
--- a/crates/biome_configuration/src/generated/linter_options_check.rs
+++ b/crates/biome_configuration/src/generated/linter_options_check.rs
@@ -380,6 +380,11 @@ pub fn config_side_rule_options_types() -> Vec<(&'static str, &'static str, Type
         "noDuplicateProperties",
         TypeId::of::<biome_rule_options::no_duplicate_properties::NoDuplicatePropertiesOptions>(),
     ));
+    result.push((
+        "nursery",
+        "noDuplicateSelectors",
+        TypeId::of::<biome_rule_options::no_duplicate_selectors::NoDuplicateSelectorsOptions>(),
+    ));
     result.push(("suspicious", "noDuplicateSelectorsKeyframeBlock", TypeId::of::<biome_rule_options::no_duplicate_selectors_keyframe_block::NoDuplicateSelectorsKeyframeBlockOptions>()));
     result.push((
         "suspicious",
diff --git a/crates/biome_html_parser/src/lexer/mod.rs b/crates/biome_html_parser/src/lexer/mod.rs
index b7af4a76391c..6ef828130134 100644
--- a/crates/biome_html_parser/src/lexer/mod.rs
+++ b/crates/biome_html_parser/src/lexer/mod.rs
@@ -1327,6 +1327,7 @@ impl<'src> Lexer<'src> for HtmlLexer<'src> {
         self.current_kind
     }
 
+    #[inline]
     fn current_start(&self) -> TextSize {
         self.current_start
     }
@@ -1428,11 +1429,13 @@ impl<'src> Lexer<'src> for HtmlLexer<'src> {
         self.diagnostics.push(diagnostic);
     }
 
+    #[inline]
     fn advance_char_unchecked(&mut self) {
         let c = self.current_char_unchecked();
         self.position += c.len_utf8();
     }
 
+    #[inline]
     fn advance(&mut self, n: usize) {
         self.position += n;
     }
diff --git a/crates/biome_html_parser/src/syntax/astro.rs b/crates/biome_html_parser/src/syntax/astro.rs
index 9ef7e6b1af4e..d90190e80f0a 100644
--- a/crates/biome_html_parser/src/syntax/astro.rs
+++ b/crates/biome_html_parser/src/syntax/astro.rs
@@ -163,10 +163,12 @@ pub const ASTRO_DIRECTIVE_TOKEN_SET: TokenSet<HtmlSyntaxKind> = token_set![
     T![define],
 ];
 
+#[inline]
 pub(crate) fn is_at_astro_directive_keyword(p: &mut HtmlParser) -> bool {
     p.at_ts(ASTRO_DIRECTIVE_TOKEN_SET)
 }
 
+#[inline]
 pub(crate) fn is_astro_directive_keyword(token: HtmlSyntaxKind) -> bool {
     ASTRO_DIRECTIVE_TOKEN_SET.contains(token)
 }
diff --git a/crates/biome_html_parser/src/syntax/mod.rs b/crates/biome_html_parser/src/syntax/mod.rs
index 94fce7549b03..ed3d955b4cd2 100644
--- a/crates/biome_html_parser/src/syntax/mod.rs
+++ b/crates/biome_html_parser/src/syntax/mod.rs
@@ -158,6 +158,7 @@ fn inside_tag_context(p: &HtmlParser) -> HtmlLexContext {
     }
 }
 
+#[inline]
 fn is_possible_component(p: &HtmlParser, tag_name: &str) -> bool {
     tag_name
         .chars()
@@ -352,6 +353,7 @@ fn parse_closing_tag(p: &mut HtmlParser) -> ParsedSyntax {
     Present(m.complete(p, HTML_CLOSING_ELEMENT))
 }
 
+#[inline]
 pub(crate) fn parse_html_element(p: &mut HtmlParser) -> ParsedSyntax {
     match p.cur() {
         T!["<![CDATA["] => parse_cdata_section(p),
@@ -540,6 +542,7 @@ fn parse_attribute(p: &mut HtmlParser) -> ParsedSyntax {
     }
 }
 
+#[inline]
 fn is_at_attribute_start(p: &mut HtmlParser) -> bool {
     p.at_ts(token_set![
         HTML_LITERAL,
@@ -552,6 +555,7 @@ fn is_at_attribute_start(p: &mut HtmlParser) -> bool {
         || (Astro.is_supported(p) && is_at_astro_directive_keyword(p))
 }
 
+#[inline]
 fn parse_literal(p: &mut HtmlParser, kind: HtmlSyntaxKind) -> ParsedSyntax {
     if !is_at_start_literal(p) {
         return Absent;
@@ -596,6 +600,7 @@ fn parse_literal(p: &mut HtmlParser, kind: HtmlSyntaxKind) -> ParsedSyntax {
     Present(m.complete(p, kind))
 }
 
+#[inline]
 fn is_at_start_literal(p: &mut HtmlParser) -> bool {
     p.at(HTML_LITERAL) || p.at(T!["{{"]) || p.at(T!["}}"])
 }
@@ -720,6 +725,7 @@ fn parse_double_text_expression(p: &mut HtmlParser, context: HtmlLexContext) ->
     }
 }
 
+#[inline]
 pub(crate) fn is_at_opening_double_expression(p: &mut HtmlParser) -> bool {
     p.at(T!["{{"])
 }
@@ -840,10 +846,12 @@ impl TextExpression {
     }
 }
 
+#[inline]
 fn is_at_keyword(p: &mut HtmlParser) -> bool {
     is_at_svelte_keyword(p) || is_at_html_keyword(p)
 }
 
+#[inline]
 fn is_at_html_keyword(p: &mut HtmlParser) -> bool {
     matches!(p.cur(), T![html] | T![doctype])
 }
diff --git a/crates/biome_html_parser/src/syntax/svelte.rs b/crates/biome_html_parser/src/syntax/svelte.rs
index 3bb7738faf07..1c774e4f1fcb 100644
--- a/crates/biome_html_parser/src/syntax/svelte.rs
+++ b/crates/biome_html_parser/src/syntax/svelte.rs
@@ -1255,18 +1255,22 @@ const SVELTE_DIRECTIVE_KEYWORDS: TokenSet<HtmlSyntaxKind> = token_set!(
     T![animate]
 );
 
+#[inline]
 pub(crate) fn is_at_svelte_keyword(p: &HtmlParser) -> bool {
     p.at_ts(SVELTE_KEYWORDS)
 }
 
+#[inline]
 fn is_at_svelte_directive_keyword(token: HtmlSyntaxKind) -> bool {
     SVELTE_DIRECTIVE_KEYWORDS.contains(token)
 }
 
+#[inline]
 fn is_at_else_opening_block(p: &mut HtmlParser) -> bool {
     p.at(T!["{:"]) && p.nth_at(1, T![else])
 }
 
+#[inline]
 fn is_at_then_or_catch_block(p: &mut HtmlParser) -> bool {
     p.at(T!["{:"]) && (p.nth_at(1, T![then]) || p.nth_at(1, T![catch]))
 }