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constants swift performance quick links changelog landing constants knowledgebase tweaks constants you can define various constants in wp config php to tweak settings or enable hidden features where should i add these code snippets in the root folder of wordpress install you will find a file named wp config php this file contains the basic configuration for wordpress you can add the code snippets to this file before the that s all stop editing happy publishing line disable caching if you define swift_performance_disable_cache and set it to true in wp config php swift performance will disable caching module in some cases swift performance will disable caching automatically if you would like to override this you can define swift_performance_disable_cache and set it to false define swift_performance_disable_cache true disable whitelabel if you enable whitelabel and save settings whitelabel options will be hidden on the settings page you can temporary disable whitelabel if you add a constant to wp config php define swift_performance_whitelabel false lazyload size if you are using blurred method for lazyload placeholders swift performance will create a smaller version for all images you can change the default 20x20px size with swift_performance_lazyload_size constant after you change this you should regenerate thumbnails define swift_performance_lazyload_size 20 lazyload quality if you are using low quality method for lazyload placeholders swift performance will create a low quality version for all images you can change the default quality and pixelate values with constants after you change these you should clear all cache define swift_performance_lazyload_quality 7 define swift_performance_lazyload_pixelate 5 max log entries to avoid too large logs swift performance will store only the last 1000 entries in the log file however you can override this with swift_performance_max_log_entries constant define swift_performance_max_log_entries 1000 prebuild timeout if you run autoconfig swift performance will measure the correct script timeout value by default it is 300 seconds which you can override with swift_performance_prebuild_timeout constant define swift_performance_prebuild_timeout 300 warmup table limit by default swift performance will store maximum 10 000 urls in warmup table you can override this with swift_performance_warmup_limit constant define swift_performance_warmup_limit 10000 wpml compatibility by default swift performance will find wpml translations and add them to warmup table you can prevent it if you define swift_performance_wpml_warmup constant define swift_performance_wpml_warmup false max threads there is a limit in swift performance optimization settings for maximum simultaneous threads however you can override it with swift_performance_threads constant define swift_performance_threads 3 disable clear cache on commenting by default swift performance will clear post cache when a new comment has been sent you can disable this feature with swift_performance_clear_cache_on_comment constant define swift_performance_clear_cache_on_comment true server push prefix if you enable server push feature you may need to use a prefix if you modified the css or js on the site to bypass browser and proxy cache define swift_performance_push_prefix 2 plugin name in pro version you can rename the plugin you can use whitelabel settings to achieve this however you can define constants directly define swift_performance_plugin_name swift performance plugin name in pro version you can change the plugin slug you can use whitelabel settings to achieve this however you can define constants directly define swift_performance_slug swift performance plugin cache base directory in pro version you can change the cache base directory you can use whitelabel settings to achieve this however you can define constants directly define swift_performance_cache_base_dir swift performance plugin database prefix in pro version you can change the database prefix you can use whitelabel settings to achieve this however you can define constants directly define swift_performance_table_prefix swift_performance image optimizer database table in pro version you can change the image optimizer database prefix you can use whitelabel settings to achieve this it will inherit the plugin database prefix however you can define constants directly define swift_performance_table_prefix swift_ alternatively you can override the whole table name with swift_performance_image_table constant define swift_performance_image_table swift_image_optimizer disable set_time_limit swift performance will try to extend the default php timeout if it is possible in rare cases it can cause php warning to avoid this you can disable this feature define swift_performance_disable_set_time_limit true did you like this article search tweaks regular expressions redirect based on browser language categories getting started general optimization caching media cdn compatibility tweaks license filters faq changelog 2026 swift performance all rights reserved made with fevr
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