What makes an effective title tag?

The Title Tag is one of the most important meta-tags for a search engine and your potential clientele. The Title Tag should describe exactly what the document contains. It should contain keywords or phrases that you have targeted for that page based on the research of the business demographic that you want is found under. It should also be as readable as possible.

A title tag is an HTML element that specifies the title of a web page. Title tags are displayed on search engine results pages (SERPs) as the clickable headline for a given result, and are important for usability, SEO, and social sharing. The title tag of a web page is meant to be an accurate and concise description of a page's content.

Topical Relevance Within the Page
Unique Tags
Use Dynamic Options When Possible
Optimal title leng

 A good title tag means maximum visibility

Including keywords in title
It should be unique
Check the length of the title
It should be attractive

For making an effective title tag you follow the below step:
1. First thing do your research
2. Apply the best format
3. Check your title length
4. Make it attractive
5. Write unique titles

Add long tail keyword make effective.

Title tag is the title of a website that is defined in the webpage source. The title defines the content of your website and helps browsers and robots to know about your webpage content. This title is also used to display against your website in search engines.

A title tag can be effective if and only if it is unique and contains your branded keywords in it. And make sure that your title tag must be a maximum length of 70 characters to be effective.