lazysizes

High performance and SEO friendly lazy loader for images, iframes and more. Many features, like low-res Blurhash placeholders and image fade-in

v1.3.3Patrick SletvoldUpdated Added 600 installs100% rating
86
Score
12
Errors
3
Warnings
+0
Change

Category Scores

Security81
Repo86
Performance100
Maintainability91

Issues to Review

Prioritized issue groups from the latest Plugin Check scan

15 findings

Maintainability

9

4 issue groups

Security

3

1 issue group

Repo Compliance

3

3 issue groups

ERRORMaintainabilitywp function not compatible with requires wpFunction "attachment_url_to_postid()" requires WordPress 4.0.0, but your plugin minimum supported version is WordPress 3.9.0.6
Category
Maintainability
Occurrences
6
Severity
error

Sample message

Function "attachment_url_to_postid()" requires WordPress 4.0.0, but your plugin minimum supported version is WordPress 3.9.0.

ERRORSecuritySetting is missing a sanitization callbackSanitization missing for register_setting().3
Category
Security
Occurrences
3
Severity
error

Sample message

Sanitization missing for register_setting().

WARNINGMaintainabilityDiscouraged PHP functionThe use of function set_time_limit() is discouraged1
Category
Maintainability
Occurrences
1
Severity
warning

Sample message

The use of function set_time_limit() is discouraged

WARNINGMaintainabilitymissing composer json fileThe "/vendor" directory using composer exists, but "composer.json" file is missing.1
Category
Maintainability
Occurrences
1
Severity
warning

Sample message

The "/vendor" directory using composer exists, but "composer.json" file is missing.

ERRORMaintainabilityMissing direct file access protectionPHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;1
Category
Maintainability
Occurrences
1
Severity
error

Sample message

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

ERRORRepo Complianceoutdated tested upto headerTested up to: 5.5 < 7.0. The "Tested up to" value in your plugin is not set to the current version of WordPress. This means your plugin will not show up in searches, as we require plugins to be compatible and documented as tested up to the most recent version of WordPress.1
Category
Repo Compliance
Occurrences
1
Severity
error

Sample message

Tested up to: 5.5 < 7.0. The "Tested up to" value in your plugin is not set to the current version of WordPress. This means your plugin will not show up in searches, as we require plugins to be compatible and documented as tested up to the most recent version of WordPress.

ERRORRepo Complianceplugin header no licenseMissing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license.1
Category
Repo Compliance
Occurrences
1
Severity
error

Sample message

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

WARNINGRepo Compliancereadme parser warnings trimmed short descriptionThe "Short Description" section is too long and was truncated. A maximum of 150 characters is supported.1
Category
Repo Compliance
Occurrences
1
Severity
warning

Sample message

The "Short Description" section is too long and was truncated. A maximum of 150 characters is supported.

External Connections

Potential connections found in static code analysis.

8 domains

Outbound calls

111

External assets

1

Incoming endpoints

1

Notable Domains

bugs.chromium.org49 · outbound
php-fig.org4 · outbound
gist.github.com1 · outbound
multitek.no1 · outbound

Platform / Reference Domains

github.com3 · platform/reference
wordpress.org3 · platform/reference
core.trac.wordpress.org2 · platform/reference

External Asset Domains

No external asset domains detected.

Incoming Endpoints

No public endpoints detected.

Admin AJAX endpoints1
wp_ajax_lazysizes_blurhashauthenticated

wp_ajax

Score History

First score snapshot

v1.3.3

86

Latest

Findings
15
Errors
12
Warnings
3
Check
2.0.0

Relationship Map

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

34 nodes

Related Plugins

Category Icon

2k+ active installs

100
Disable Lazy Load

10k+ active installs

100
100
WF Magnific Lightbox

1k+ active installs

100
Default Featured Image

60k+ active installs

99
Favicon Rotator

20k+ active installs

99