FastPixel Cache – Optimize Page Speed: Compress Images, Minify, Clean Database & CDN

Optimize Core Web Vitals and PageSpeed with advanced caching, image compression, lazy loading, critical CSS, and CDN – the ultimate performance tool.

v1.8.0ShortPixelUpdated Added 4k+ installs96% rating100% support resolved
33
Score
51
Errors
333
Warnings
-1
Change

Category Scores

Security0
Repo100
Performance98
Maintainability43

Issues to Review

Prioritized issue groups from the latest Plugin Check scan

384 findings

Security

255

7 issue groups

Maintainability

94

14 issue groups

I18n

28

4 issue groups

WARNINGSecurityRequest data is not unslashed$_COOKIE[$cookie_name] not unslashed before sanitization. Use wp_unslash() or similar108
Category
Security
Occurrences
108
Severity
warning

Sample message

$_COOKIE[$cookie_name] not unslashed before sanitization. Use wp_unslash() or similar

WARNINGSecurityMissing nonce verificationProcessing form data without nonce verification.50
Category
Security
Occurrences
50
Severity
warning

Sample message

Processing form data without nonce verification.

WARNINGMaintainabilityNon-prefixed global variableGlobal variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$adminEmail".46
Category
Maintainability
Occurrences
46
Severity
warning

Sample message

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

WARNINGSecurityInput is not sanitizedDetected usage of a non-sanitized input variable: $_COOKIE[$cookie_name]37
Category
Security
Occurrences
37
Severity
warning

Sample message

Detected usage of a non-sanitized input variable: $_COOKIE[$cookie_name]

WARNINGSecurityNonce verification recommendedProcessing form data without nonce verification.23
Category
Security
Occurrences
23
Severity
warning

Sample message

Processing form data without nonce verification.

ERRORI18nMissing Translators CommentA function call to esc_attr__() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.20
Category
I18n
Occurrences
20
Severity
error

Sample message

A function call to esc_attr__() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

WARNINGSecurityInput is not validatedDetected usage of a possibly undefined superglobal array index: $_POST['fastpixel_always_purge_urls']. Check that the array index exists before using it.19
Category
Security
Occurrences
19
Severity
warning

Sample message

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

WARNINGMaintainabilityNon-prefixed functionFunctions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "wp_cache_add".15
Category
Maintainability
Occurrences
15
Severity
warning

Sample message

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

WARNINGSecuritywp redirect wp redirectwp_redirect() found. Using wp_safe_redirect(), along with the "allowed_redirect_hosts" filter if needed, can help avoid any chances of malicious redirects within code. It is also important to remember to call exit() after a redirect so that no other unwanted code is executed.15
Category
Security
Occurrences
15
Severity
warning

Sample message

wp_redirect() found. Using wp_safe_redirect(), along with the "allowed_redirect_hosts" filter if needed, can help avoid any chances of malicious redirects within code. It is also important to remember to call exit() after a redirect so that no other unwanted code is executed.

WARNINGMaintainabilityerror log var exportvar_export() found. Debug code should not normally be used in production.6
Category
Maintainability
Occurrences
6
Severity
warning

Sample message

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

Show 15 more
ERRORMaintainabilityunlink unlink5
Category
Maintainability
Occurrences
5
Severity
error

Sample message

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

WARNINGMaintainabilityNon-prefixed hook name4
Category
Maintainability
Occurrences
4
Severity
warning

Sample message

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

ERRORMaintainabilityparse url parse url4
Category
Maintainability
Occurrences
4
Severity
error

Sample message

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

ERRORI18nText Domain Mismatch4
Category
I18n
Occurrences
4
Severity
error

Sample message

Mismatched text domain. Expected 'fastpixel-website-accelerator' but got 'fastpixel-web-accelerator'.

ERRORMaintainabilityMissing direct file access protection4
Category
Maintainability
Occurrences
4
Severity
error

Sample message

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

ERRORSecurityOutput is not escaped3
Category
Security
Occurrences
3
Severity
error

Sample message

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

ERRORI18nUnordered Placeholders Text3
Category
I18n
Occurrences
3
Severity
error

Sample message

Multiple placeholders in translatable strings should be ordered. Expected "%1$s, %2$s", but got "%s, %s" in 'API Key is missing, please set it up in FastPixel\'s %s. Otherwise please %s to assist you.'.

WARNINGMaintainabilityDirect Query2
Category
Maintainability
Occurrences
2
Severity
warning

Sample message

Use of a direct database call is discouraged.

WARNINGMaintainabilityNo Caching2
Category
Maintainability
Occurrences
2
Severity
warning

Sample message

Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().

WARNINGMaintainabilityerror log error log2
Category
Maintainability
Occurrences
2
Severity
warning

Sample message

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

ERRORMaintainabilityForbidden PHP function found1
Category
Maintainability
Occurrences
1
Severity
error

Sample message

The use of function get_post_type_labels() is forbidden

WARNINGI18nDiscouraged text-domain loading1
Category
I18n
Occurrences
1
Severity
warning

Sample message

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.

ERRORMaintainabilityOffloaded Content1
Category
Maintainability
Occurrences
1
Severity
error

Sample message

Found call to wp_enqueue_script() with external resource. Offloading scripts to your servers or any remote service is disallowed.

WARNINGMaintainabilityNon-prefixed global symbol1
Category
Maintainability
Occurrences
1
Severity
warning

Sample message

The "fastpixel/status" prefix is not a valid namespace/function/class/variable/constant prefix in PHP.

ERRORMaintainabilityfile system operations mkdir1
Category
Maintainability
Occurrences
1
Severity
error

Sample message

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

External Connections

Potential connections found in static code analysis.

45 domains

Outbound calls

283

External assets

1

Incoming endpoints

16

Notable Domains

tools.ietf.org36 · outbound
fastpixel.io24 · outbound
en.wikipedia.org19 · outbound
pear.php.net13 · outbound
hyperelliptic.org7 · outbound

Platform / Reference Domains

opensource.org54 · platform/reference
github.com15 · platform/reference
w3.org7 · platform/reference
gnu.org1 · platform/reference
wordpress.org1 · platform/reference

External Asset Domains

Incoming Endpoints

No public endpoints detected.

Admin AJAX endpoints16
admin_post_fastpixel_admin_delete_cachedauthenticated

admin_post

admin_post_fastpixel_admin_purge_cacheauthenticated

admin_post

admin_post_fastpixel_admin_toggle_exclusionauthenticated

admin_post

wp_ajax_fastpixel_cache_statusesauthenticated

wp_ajax

wp_ajax_fastpixel_check_domainauthenticated

wp_ajax

wp_ajax_fastpixel_deactivate_pluginauthenticated

wp_ajax

wp_ajax_fastpixel_deactivate_plugin_feedbackauthenticated

wp_ajax

wp_ajax_fastpixel_delete_cached_filesauthenticated

wp_ajax

wp_ajax_fastpixel_dismiss_noticeauthenticated

wp_ajax

wp_ajax_fastpixel_get_homepage_performanceauthenticated

wp_ajax

wp_ajax_fastpixel_object_cache_test_connectionauthenticated

wp_ajax

wp_ajax_fastpixel_purge_cacheauthenticated

wp_ajax

4 more hidden

Score History

2 score snapshots

-1
1007550250Jun 21, 2026, 08:38 AM UTC Score 34/100 Plugin v1.7.0 Plugin Check 2.0.0 49 errors, 324 warningsJun 24, 2026, 03:05 PM UTC Score 33/100 Plugin v1.8.0 Plugin Check 2.0.0 51 errors, 333 warningsJun 21, 2026Jun 24, 2026

v1.8.0

33

Latest

Findings
384
Errors
51
Warnings
333
Check
2.0.0

v1.7.0

34

Score

Findings
373
Errors
49
Warnings
324
Check
2.0.0

Relationship Map

Author, categories, issues, domains, and nearby plugins.

37 nodes

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