Before going live with your website, consider the following checklist:

• Change favicon, apple touch icons?
• Configure robots.txt, humans.txt?
• Add XML sitemp to Webmaster Tools?
• Change / remove the Google Analytics code in EXT:speciality/Resources/Private/Partials/Stats.html?
• Remove extension EXT:introduction? Extension has become useless once the website is running.
• Configure a Cron job for the Scheduler:
  00 * * * * /usr/bin/php /sites/htdocs/typo3/cli_dispatch.phpsh scheduler > /dev/null
• Configure a Cron job for updating the Index Reference:
  00 00 * * * /usr/bin/php /sites/htdocstypo3/cli_dispatch.phpsh lowlevel_refindex -c
• Select the language pack for your BE Editors?
• Canonical URL configuration is OK?