Moving to another product framework includes substantially more than building new digs. The time has come with the next version of Drupal 8. What’s more, it offers some great upgrades, incorporating better integration with outside administrations, enhanced user experience and availability features. All things being equal, choosing to make a jump from a past form of Drupal into the most recent and most prominent can be somewhat startling and overwhelming. There are a few things you have to consider carefully when deciding to move up to the new form.

Security
In case you’re using Drupal 6, so this is a bad news since this rendition is no longer authoritatively supported. This implies the Drupal community won’t keep on making updates and fixes to things like security issues or endeavours that may manifest after some time. This implies if security is foremost to you and you stay with old versions of drupal, you will have to discover and take help from drupal development company who can keep your site secure.

Timing and Version
On the chance that you are on Drupal 6, then it is a peak time to think of an update. As time wears on, using an obsolete CMS will turn out to be progressively expensive. For every month you defer the upgrade, you will pile on charges that could have been offset by updating sooner. They wind up sunken expenses, in spite of the way that despite everything you’ll have to push ahead sooner or later.

Upgrade Cycle
It’s always better to upgrade cycle when some latest update or notification comes from official community to avoid any harmful effects. On the off chance that you need to have a platform for 7-8 years, consider Drupal 8 as an approach to future-confirmation of your site.

Budget
Since its new and has more refined features, having your site moved to Drupal 8 will cost more than keeping up your current site. Right now, there is around 25% extra overhead to create or update a Drupal 8 site contrasted with Drupal 7, contingent upon the features you must require.

Source: https://drupalwebdevelopmentservicesindia./2018/10/10/6-key-factors-to-consider-before-upgrading-to-drupal-8/

The Migration tools in Drupal core is available for site builders, developers and Drupal agencies to upgrade their sites from Drupal 6/7 to Drupal 8. The tools will migrate your content and configuration to your new empty Drupal 8 site while you recreate your views as views are not migrated.

Read details of how we handled our first Drupal 7 to Drupal 8 upgrade, https://www.skillmaticace.com/blog/we-completed-our-first-drupal-7-drupal-8-upgrade