It is better to paperclip a resume. Paperclipping your resume is better than stapling it because it’s easier for a hiring manager to remove a paperclip if they want to scan each page.
However, it’s better to submit a one-page resume for most job seekers, and a one-page resume doesn’t require staples or paperclips. Keeping your resume to one page also ensures that you only include your most relevant work experience and skills, which are the main details hiring managers need to evaluate your application.