Creating new "Start Page" tab has delay on the title

The "Start Page" tab title does not immediately show upon creating a new tab. (Either by pressing Command-T or Plus Button on toolbar)
Safari DOES NOT have a delay

Here is a video showing it:

I expected the Start Page title to show immediately.

Version 0.99.130.2-beta (WebKit 621.1.2.111.4)

Sequoia (15)

For reference, here is Safari:

You're right, thanks.