Page Optimize

The $domain parameter must be a single text string literal. Found: page_optimize_get_text_domain()

All output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.

Processing form data without nonce verification.

parse_url() is discouraged because of inconsistency in the output across PHP versions; use wp_parse_url() instead.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "css_do_concat".

PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;

Detected usage of a non-sanitized input variable: $_GET['load-mode-js']

$_GET['load-mode-js'] not unslashed before sanitization. Use wp_unslash() or similar

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$inline_after'.

Detected usage of a possibly undefined superglobal array index: $_SERVER['REQUEST_METHOD']. Check that the array index exists before using it.

Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "ALLOW_GZIP_COMPRESSION".

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$_tests_dir".

error_log() found. Debug code should not normally be used in production.

Scripts must be registered/enqueued via wp_enqueue_script()

Stylesheets must be registered/enqueued via wp_enqueue_style()

The use of function ini_set() is discouraged

Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "_manually_load_plugin".

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fclose().

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fopen().

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fread().

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: is_writable().

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: mkdir().

unlink() is discouraged. Use wp_delete_file() to delete a file.

Application files are not permitted.

Missing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license.