J3.x:Add article title to read more link
From Joomla! Documentation
Some people want to have the article title instead of the Read More link. To achieve this you can set that in the Article management options.
Set the Article management Options:
- In the Admin, go to System → Global Configuration
- In the menu on the left, click: Articles then go to the Tab Articles
- Set Show "Read More" to Show
- Set Show Title with Read More to Show
- You can also set a limit of number of characters in Article Title to show in Read More button.
Tips & Tricks
Note that you can also add a custom text instead of the Read More button in the tabs Options while editing an article.