Optimize images automatically — compress, resize and convert to WebP, AVIF & more with Kraken.io. Faster pages, smaller files, same quality.
Category Scores
Top Issues by Category
i18n274
maintainability73
security11
repo_compliance1
Issues Details
359 issues found in latest scan
Mismatched text domain. Expected 'kraken-image-optimizer' but got 'kraken-io'.
Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$account".
Detected usage of a non-sanitized input variable: $_GET['tab']
$_GET['tab'] not unslashed before sanitization. Use wp_unslash() or similar
unlink() is discouraged. Use wp_delete_file() to delete a file.
load_plugin_textdomain() has been discouraged since WordPress version 4.6. When your plugin is hosted on WordPress.org, you no longer need to manually include this function call for translations under your plugin slug. WordPress will automatically load the translations for you as needed.
Use of heredoc syntax (<<<) is not allowed; use standard strings or inline HTML instead
Detected usage of meta_query, possible slow query.
Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "$name".
All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$checked'.
Processing form data without nonce verification.
Detected usage of a possibly undefined superglobal array index: $_POST['kraken_io_settings_nonce']. Check that the array index exists before using it.
Plugin name "Kraken.io Image Optimizer – Compress, Convert to WebP & AVIF, Resize & Bulk Optimize" is different from the name declared in plugin header "Kraken Image Optimizer".
Missing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license.
The "Text Domain" header in the plugin file does not match the slug. Found "kraken-io", expected "kraken-image-optimizer".
| Code | Type | Message | Count |
|---|---|---|---|
| WordPress.WP.I18n.TextDomainMismatch | ERROR | Mismatched text domain. Expected 'kraken-image-optimizer' but got 'kraken-io'. | 272 |
| WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound | WARNING | Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$account". | 64 |
| WordPress.Security.ValidatedSanitizedInput.InputNotSanitized | WARNING | Detected usage of a non-sanitized input variable: $_GET['tab'] | 4 |
| WordPress.Security.ValidatedSanitizedInput.MissingUnslash | WARNING | $_GET['tab'] not unslashed before sanitization. Use wp_unslash() or similar | 4 |
| WordPress.WP.AlternativeFunctions.unlink_unlink | ERROR | unlink() is discouraged. Use wp_delete_file() to delete a file. | 3 |
| badly_named_files | ERROR | File and folder names must not contain spaces or special characters. | 2 |
| PluginCheck.CodeAnalysis.DiscouragedFunctions.load_plugin_textdomainFound | WARNING | load_plugin_textdomain() has been discouraged since WordPress version 4.6. When your plugin is hosted on WordPress.org, you no longer need to manually include this function call for translations under your plugin slug. WordPress will automatically load the translations for you as needed. | 1 |
| PluginCheck.CodeAnalysis.Heredoc.NotAllowed | ERROR | Use of heredoc syntax (<<<) is not allowed; use standard strings or inline HTML instead | 1 |
| WordPress.DB.SlowDBQuery.slow_db_query_meta_query | WARNING | Detected usage of meta_query, possible slow query. | 1 |
| WordPress.NamingConventions.PrefixAllGlobals.VariableConstantNameFound | WARNING | Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "$name". | 1 |
| WordPress.Security.EscapeOutput.OutputNotEscaped | ERROR | All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$checked'. | 1 |
| WordPress.Security.NonceVerification.Recommended | WARNING | Processing form data without nonce verification. | 1 |
| WordPress.Security.ValidatedSanitizedInput.InputNotValidated | WARNING | Detected usage of a possibly undefined superglobal array index: $_POST['kraken_io_settings_nonce']. Check that the array index exists before using it. | 1 |
| mismatched_plugin_name | WARNING | Plugin name "Kraken.io Image Optimizer – Compress, Convert to WebP & AVIF, Resize & Bulk Optimize" is different from the name declared in plugin header "Kraken Image Optimizer". | 1 |
| plugin_header_no_license | ERROR | Missing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license. | 1 |
| textdomain_mismatch | WARNING | The "Text Domain" header in the plugin file does not match the slug. Found "kraken-io", expected "kraken-image-optimizer". | 1 |
Latest Snapshot
Findings
359
Errors
280
Warnings
79
Score History
First score snapshot
First scan completed
v3.0.2 · Plugin Check 2.0.0 · Model 2026.06-mvp-static-v2
v3.0.2
67
Latest
- Findings
- 359
- Errors
- 280
- Warnings
- 79
- Plugin Check
- 2.0.0
- Model
- 2026.06-mvp-static-v2
| Scan | Score | Findings | Errors | Warnings | Plugin | Plugin Check | Model |
|---|---|---|---|---|---|---|---|
| Latest | 67 | 359 | 280 | 79 | v3.0.2 | 2.0.0 | 2026.06-mvp-static-v2 |
