speedup website by not loading useless functions. Excludes: deprecated.php, pluggable-deprecated.php, bookmark.php and bookmark-template.php (It saves about 2% on memory which WordPress consumes on every page load)
shows in the admin bar the number of SQL queries during the WordPress execution, the amount of time in seconds to generate the page and memory load
Your hosting will be happy.
常见问题:
What to do if plugin caused errors:
You should connect to website via ftp and manually edit file wp-settings.php and uncomment lines which contains these filenames: deprecated.php, pluggable-deprecated.php, bookmark.php and bookmark-template.php