/**
 * Filter <img> tags in post content to use WebP and srcset if available.
 * Converts .jpg/.jpeg/.png to .webp if file exists, and adds srcset for responsive images.
 */
function codit_content_img_to_webp_srcset( $content ) {
	if ( is_admin() || codit_is_elementor_active() ) {
		return $content;
	}
	return preg_replace_callback( '/<img([^>]+)src=["\']([^"\']+\.(?:jpg|jpeg|png))["\']([^>]*)>/i', function( $matches ) {
		$before = $matches[1];
		$src = $matches[2];
		$after = $matches[3];
		$webp_src = preg_replace( '/\.(jpg|jpeg|png)$/i', '.webp', $src );
		$srcset = $webp_src . ' 1x, ' . $src . ' 1x';
		// If WebP file exists, use <picture> for fallback
		$webp_path = ABSPATH . str_replace( home_url( '/' ), '', $webp_src );
		if ( file_exists( $webp_path ) ) {
			return '<picture><source srcset="' . esc_attr( $webp_src ) . '" type="image/webp"><img' . $before . 'src="' . esc_attr( $src ) . '" srcset="' . esc_attr( $srcset ) . '"' . $after . '></picture>';
		} else {
			return '<img' . $before . 'src="' . esc_attr( $src ) . '"' . $after . ' srcset="' . esc_attr( $src ) . ' 1x" >';
		}
	}, $content );
}
add_filter( 'the_content', 'codit_content_img_to_webp_srcset', 14 );

/**
 * Add srcset and WebP for featured images and attachment images.
 */
function codit_attachment_img_to_webp_srcset( $html, $id, $size, $attr ) {
	if ( is_admin() || codit_is_elementor_active() ) {
		return $html;
	}
	if ( preg_match( '/src=["\']([^"\']+\.(?:jpg|jpeg|png))["\']/', $html, $m ) ) {
		$src = $m[1];
		$webp_src = preg_replace( '/\.(jpg|jpeg|png)$/i', '.webp', $src );
		$srcset = $webp_src . ' 1x, ' . $src . ' 1x';
		$webp_path = ABSPATH . str_replace( home_url( '/' ), '', $webp_src );
		if ( file_exists( $webp_path ) ) {
			$html = preg_replace( '/<img([^>]+)src=["\'][^"\']+["\']([^>]*)>/', '<picture><source srcset="' . esc_attr( $webp_src ) . '" type="image/webp"><img$1src="' . esc_attr( $src ) . '" srcset="' . esc_attr( $srcset ) . '"$2></picture>', $html );
		} else {
			$html = preg_replace( '/<img([^>]+)src=["\'][^"\']+["\']([^>]*)>/', '<img$1src="' . esc_attr( $src ) . '"$2 srcset="' . esc_attr( $src ) . ' 1x" >', $html );
		}
	}
	return $html;
}
add_filter( 'post_thumbnail_html', 'codit_attachment_img_to_webp_srcset', 12, 4 );
add_filter( 'wp_get_attachment_image', 'codit_attachment_img_to_webp_srcset', 12, 4 );

/**
 * Minify inline JS output and add aggressive defer/async to all enqueued scripts except critical.
 */
function codit_minify_js_output( $buffer ) {
	// Remove comments, whitespace, and collapse lines for inline <script> tags
	$buffer = preg_replace( '/<script(.*?)>([\s\S]*?)<\/script>/i', function( $m ) {
		$open = $m[1];
		$js = $m[2];
		// Remove comments
		$js = preg_replace( '/\/\*.*?\*\//s', '', $js );
		$js = preg_replace( '/\/\/.*?\n/', '', $js );
		// Collapse whitespace
		$js = preg_replace( '/\s+/', ' ', $js );
		return '<script' . $open . '>' . trim( $js ) . '</script>';
	}, $buffer );
	return $buffer;
}
add_filter( 'final_output', 'codit_minify_js_output', 20 );

// More aggressive script deferral: add async to all scripts except modernizr and critical
add_filter( 'script_loader_tag', function( $tag, $handle ) {
	if ( is_admin() || codit_is_elementor_active() ) return $tag;
	$critical = array( 'modernizr' );
	if ( in_array( $handle, $critical, true ) ) return $tag;
	if ( strpos( $tag, ' defer ' ) === false ) {
		$tag = str_replace( ' src=', ' defer async src=', $tag );
	}
	return $tag;
}, 20, 2 );
<br />
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<br />
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<br />
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<br />
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<br />
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<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//nextolive.com/main-sitemap.xsl"?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
	<sitemap>
		<loc>https://nextolive.com/post-sitemap.xml</loc>
		<lastmod>2026-04-03T13:17:35+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://nextolive.com/page-sitemap.xml</loc>
		<lastmod>2026-04-02T08:57:55+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://nextolive.com/codit_service-sitemap.xml</loc>
		<lastmod>2026-03-24T06:19:10+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://nextolive.com/portfolio-sitemap.xml</loc>
		<lastmod>2026-03-16T06:40:53+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://nextolive.com/category-sitemap.xml</loc>
		<lastmod>2026-04-03T13:17:35+00:00</lastmod>
	</sitemap>
</sitemapindex>
<!-- XML Sitemap generated by Rank Math SEO Plugin (c) Rank Math - rankmath.com -->