Redirect - we need redirection if the title of an entity changes. Very good for search engine optimization and being able to contain links coming from outside.
Google Analytics - we need to track what is going on.
Pathauto - we need search engine friendly titles on our articles and pages populated automatically.
simple_sitemap - a nice xml sitemap generator.
Corrects urls automatically: pathologic
Core: responsive_image
Single command to download and enable modules: drush dl redirect, google_analytics, pathauto, pathologic; drush en redirect, google_analytics, pathauto, simple_sitemap, pathologic, responsive_image
Good starter theme
drush dl bootstrap; drush en bootstrap; drush config-set system.theme default bootstrap; drush cr
Nice To Have Drupal 8 Modules
video_filter - very nice filter to embed videos in your posts.
drush dl video_filter
https://www.drupal.org/project/csv_importer
https://www.drupal.org/project/term_csv_export_import
https://www.drupal.org/project/css_injector
Drupal 8 Optimization
http://valuebound.com/resources/blog/a-beginners-guide-to-performance-o…
Experimental from Drupal 7
drush dl devel, ds, boost, httprl, captcha, ctools, db_maintenance, token, pathauto, google_analytics, jquery_update, xmlsitemap, expire, imagemagick, globalredirect, module_filter, lazyloader, linkit, logintoboggan, pathologic, video_filter, extlink, image_allow_insecure_derivatives, transliteration, mostpopular -y