After certification of the plan or part thereof, the governing body shall post the comprehensive plan or part thereof certified by the local planning commission on a website that is maintained by the governing body or on any other website on which the governing body generally posts information, and that is available to the public or that clearly describes how the public may access information regarding the plan or part thereof being considered for adoption. After a public hearing with notice as required by § 15.2-2204, the governing body shall proceed to a consideration of the plan or part thereof and shall approve and adopt, amend and adopt, or disapprove the plan. In acting on the plan or part thereof, or any amendments to the plan, the governing body shall act within 90 days of the local planning commission’s recommending resolution; however, if a comprehensive plan amendment is initiated by the locality for more than 25 parcels, the governing body shall act within 150 days of the local planning commission’s recommending resolution. Any comprehensive plan or part thereof adopted by the governing body pursuant to this section shall be posted on a website that is maintained by the local governing body or on any other website on which the governing body generally posts information, and that is available to the public or that clearly describes how the public may access information regarding the plan or part thereof adopted by the local governing body. Inadvertent failure to post information on a website in accordance with this section shall not invalidate action taken by the governing body following notice and public hearing as required herein.