Some questions about hyperlinks

I was very excited to participate in this episode of the potato chip meeting and became familiar with a few friends~ Unexpectedly, I want to summarize today

A. How to make it easier for users to identify hyperlinks?

B. Do hyperlinks have to be underlined?

C. Is it a button or a link?

It feels like a link, and it doesn't feel like a link. Let's look at a few examples together.

Sina:

Some are underlined with red, some are not underlined with red, and some are underlined with blue. etc.

This kind of feeling is that you can click on anything and there are links everywhere. But the interface is very beautiful.

Yahoo:

In the figure, 1, 3, and 4 are all links, but 2 is the main text that cannot be linked. At first glance, I couldn't tell which one was a link or which one was not a link. I suddenly realized it when the mouse passed by.

Although this method of handling without underscores makes the interface very beautiful overall, it increases the difficulty in distinguishing. I don't know what to do.

Amazon:

Amazon's website links are handled ingeniously, with links contained in the text. The non-linkable text is black. If you can link, use blue and underline it. In addition, its classification is not underlined, but everyone believes that classification does not require underline.

Everyone agrees with Amazon's approach.

After discussion, no consensus conclusions were formed, but there are some relatively consistent tendencies, such as

• Classification can be without underscore.
• To achieve a good distinction between links, the most rustic way is to add blue underline.
• For a website, if there is no underline, then links and non-connections must be distinguished by different colors, and the color of the link is best the same.