Before you embark on updating or creating your LinkedIn profile, consider how you would like to brand yourself. Choose the professional competence that is to be the main theme of your profile. Which abilities do you have? What is your goal? Which skills are to be your selling points? Have a look at other profiles in the industry or company that you would like to apply to. Which skills do they emphasize?

Look at job postings in the industry or the professional area in which you would like to work. Which skills are in demand in relevant job postings? They are typically the words searched for when a recruitment consultant searches for a new employee. Use the same keywords and skills throughout your profile - then you have a better chance of standing out in searches.

Select a professional and lifelike profile picture for your LinkedIn profile. Dress as if you were going to work. The background should be neutral - or perhaps show you in a working situation. And there is no harm in smiling and looking co-operative. You can emphasize your personality with a profile video.

Background picture

Select a background picture (also called a cover picture) that reflects your professional profile. You do not need to be included in your background picture - the most important thing is that the picture visually supports your skills, and what interests you on the professional level.

A good headline should state what you can and will do. In your headline, you can use both skills words and job descriptions. Use more words and think of tasks that you can solve. The recruiting person must be able to decode what you can help a potential employer with by looking only at your headline.

Elaborate on the skills you mention in your headline. Write briefly and concisely and using “I”. The words you choose to write in your "About" also function as search words, so you should think in terms of job assignments and professionalism. When you write this section, contemplate what you can help with and which values your skills can create. Why are your skills relevant to an employer?
Also add three times #. They also function as search words.

When you fill in work experience, you must write company, title and mention your most important job assignments, areas of responsibility and results in a bullet list, under both present job and previous jobs. Remember to use your search words and the main theme.

Briefly state your education and any relevant supplementary training. Which value can you create for a company based on your (supplementary) education? Also use your search terms here. You should also use your search words here. Also add subjects and courses of relevance to your profile.

You should add many skills as they also function as search words. You can also choose to prioritise the order of your skills. You can also add your IT skills here. 
Your network also has the possibility of endorsing you. It is good network practice that you endorse your network before you ask for endorsement.

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