To distinguish the good resume writing services from the bad ones you need to find out how they proceed with the task. A good service asks you to fill out an online question. They also set you up for an interview with the writer. This ensures that the writer is aware of all details that must be present in your resume. If a personal interview is not possible they may also provide you with other ways to get in touch with the writer.
Functional format is best for those who are switching their career or have large employment gaps on their resume. In this format, you dont have to list the joining or resigning dates of the previous employments. Functional format will hide your employment gaps or your job switching.
There are millions of resumes being uploaded to job sites and because of this job sites have an ongoing need for more and more web servers. Job sites earn revenue from recruiters and employers that are subscribers and not from job seekers so it makes sense to eliminate this cost and pass it on to the resume website provider. Since people manage multiple resumes in their profiles to apply for different jobs it would be better for everyone if job seekers had multiple links to different resume pages instead of resume PDFs. The storage cost to job sites is eliminated and job sites can reduce their fees to subscribers.
Instead resume writing services suggest you use a summary paragraph which will include a brief objective component to focus your resume. Yet the summary portion will mostly cover your career highlights capabilities and strongest most in-demand skills.
Chronological format is most commonly used. It is best format for recent graduates and fresher applicants. The details in such CV are presented in the bullet-ed points and are categorized into different sections. The skills are generally listed after the career objective and before professional experience details as fresher applicant will not have any eye catching experience details to grab the attention of the employer.