Quantify your success
Claiming that you can increase web traffic is great, but quantifying it by 50% is even better. It shows the hiring manager you're result-oriented, and provides a benchmark for what you could potentially achieve in their company.
Highlight relevant certifications
Not every SEO professional is a certified Google Analytics and AdWords professional. Touting these certifications in your objective demonstrates your dedication, technical skills, and a keen interest in staying updated in your field.
Leverage your experience
Managing SEO for five different e-commerce businesses is not a small feat. Mentioning this in your objective emphasizes your versatility, adaptability, and potential for handling similar projects in the future.
Validate your skill with proven results
Demonstrating a proven ability to optimize websites for search engines reassures hiring managers that you're not just blowing smoke. Concrete skills like these are a recruiter's dream because they are easily measurable and indicate a strong command of SEO principles.