wpsnoop: fix Fastly plugin conflicts, errors & issues

When the plugin Fastly conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by Fastly, plus learn which plugins and/or themes could be in conflict with Fastly.


Troubleshooting theme and plugin conflicts is easier when you know what Fastly leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for Fastly

Get professional support for Fastly here

When you need professional help with WordPress: get help here


What does Fastly version 1.2.20 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Fastly to perform differently in your installation, previous versions before 1.2.20 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 1.2.20 of Fastly behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for Fastly by clicking here.

Our testing covered the free version of this plugin there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does Fastly add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/plugins/fastly/ 900.92kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/.gitignore 11.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/assets/ 369.29kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/assets/screenshot-1.png 110.16kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/assets/screenshot-2.png 177.01kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/assets/screenshot-3.png 82.12kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/build.sh 207.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/EDGE-MODULES.md 2.41kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/ 55.23kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/blackfire_integration.json 1.23kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/cors_headers.json 2.20kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/countryblock.json 1.16kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/datadome_integration.json 16.03kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/disabled/ 11.87kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/disabled/aclblacklist.json 2.26kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/disabled/error.json 1.56kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/disabled/normalise.json 2.40kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/disabled/redirects.json 2.13kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/disabled/stale.json 2.26kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/disabled/ttloverride.json 1.26kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/force_cache_miss_on_hard_reload_for_admins.json 1.01kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/increase_timeouts_long_jobs.json 1.32kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/mobile_device_detection.json 1.39kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/netacea_integration.json 12.31kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/nocache.json 1.34kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/other_cms_integration.json 2.28kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/redirect_hosts.json 1.52kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/fastly_edge_modules/url_rewrites.json 1.57kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/js/ 240.16kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/js/edgemodules.js 2.43kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/js/handlebars-v4.0.12.js 232.24kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/js/jquery.serializejson.min.js 5.49kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/languages/ 5.80kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/languages/purgely.pot 5.80kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/lib/ No known conflicts with other themes or plugins.
wp-content/plugins/fastly/purgely.php 19.98kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/readme.txt 10.02kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/ 193.39kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/ 90.26kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/api.php 5.81kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/edgemodules.php 13.31kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/header-cache-control.php 691.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/header-surrogate-control.php 1.10kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/header-surrogate-keys.php 3.47kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/header.php 2.84kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/purge-request.php 5.51kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/related-surrogate-keys.php 6.04kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/settings.php 8.77kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/surrogate-key-collection.php 7.71kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/upgrades.php 8.33kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/classes/vcl-handler.php 26.70kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/config.php 4.37kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/settings-page.php 77.19kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/utils.php 9.89kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/wp-cli.php 9.04kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/src/wp-purges.php 2.62kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/static/ 1.25kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/static/logo_white.gif 1.25kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/vcl_snippets/ 3.18kB No known conflicts with other themes or plugins.
wp-content/plugins/fastly/vcl_snippets/deliver.vcl 247.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/vcl_snippets/error_page/ 255.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/vcl_snippets/error_page/deliver.vcl 255.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/vcl_snippets/error.vcl 206.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/vcl_snippets/fetch.vcl 376.00B No known conflicts with other themes or plugins.
wp-content/plugins/fastly/vcl_snippets/recv.vcl 2.12kB No known conflicts with other themes or plugins.

Which new shortcodes does Fastly add to WordPress?

Which new database tables are created by the WordPress plugin Fastly?

Which new options are added to the wp-options table by Fastly?

Option Name   Known Conflicts
fastly-schema-version The fastly-schema-version option doesn't have any known conflicts with other themes or plugins.
fastly-settings-advanced The fastly-settings-advanced option doesn't have any known conflicts with other themes or plugins.
fastly-settings-general The fastly-settings-general option doesn't have any known conflicts with other themes or plugins.

During use Fastly may or may not create more options depending on how the plugin is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does Fastly declare when it is active?

Function   Conflicts Common Errors
get_purgely_instance 1 conflict Fatal error: Cannot redeclare get_purgely_instance()
get_purgely_purges_instance 1 conflict Fatal error: Cannot redeclare get_purgely_purges_instance()
is_url 7 conflicts Fatal error: Cannot redeclare is_url()
purgely_get_option 1 conflict Fatal error: Cannot redeclare purgely_get_option()
purgely_get_options 1 conflict Fatal error: Cannot redeclare purgely_get_options()
purgely_sanitize_checkbox 1 conflict Fatal error: Cannot redeclare purgely_sanitize_checkbox()
purgely_sanitize_key 1 conflict Fatal error: Cannot redeclare purgely_sanitize_key()
purgely_sanitize_surrogate_key 1 conflict Fatal error: Cannot redeclare purgely_sanitize_surrogate_key()
fastly_api 0 conflicts Fatal error: Cannot redeclare fastly_api()
get_maintenance_html 0 conflicts Fatal error: Cannot redeclare get_maintenance_html()
get_message_by_status_code 0 conflicts Fatal error: Cannot redeclare get_message_by_status_code()
handle_logging 0 conflicts Fatal error: Cannot redeclare handle_logging()
purgely_sanitize_pixel_ratios 0 conflicts Fatal error: Cannot redeclare purgely_sanitize_pixel_ratios()
purgely_sanitize_ttl_templates 0 conflicts Fatal error: Cannot redeclare purgely_sanitize_ttl_templates()
send_web_hook 0 conflicts Fatal error: Cannot redeclare send_web_hook()
test_fastly_api_connection 0 conflicts Fatal error: Cannot redeclare test_fastly_api_connection()
test_web_hook 0 conflicts Fatal error: Cannot redeclare test_web_hook()

Using Fastly from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install Fastly from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp plugin install fastly


How to activate Fastly from the command line with WP-CLI

To immediately activate Fastly after WP-CLI downloads the latest version you can use the following command:

wp plugin install fastly --activate


How to reinstall Fastly from the command line with WP-CLI

To force a reinstallation of Fastly which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install fastly --force


How to update Fastly to the latest version from the command line with WP-CLI

wp plugin update fastly


How to delete Fastly from the command line with WP-CLI

wp plugin delete fastly

Where can you download earlier versions of Fastly?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of Fastly from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in Fastly

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with Fastly. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.