I changed the title but Google still shows the old one. Why?

Make sure you tapped Publish changes. After that, Google updates its results on its own schedule, which can take days.

Why is the counter turning colour while I type?

The counter warns you when you are close to the limit: 60 characters for Page title and 160 for Description.

The Search and sharing settings decide how your website shows up on Google and when someone shares your link on WhatsApp or social media.

Open Settings > Website and tap Your website.
Scroll to Search and sharing.
Type a Page title of up to 60 characters. Lead with what you do and where, for example your business name, service and area. Leave it empty to use the suggested title shown in the box.
Type a Description of up to 160 characters that says what customers can do, such as see prices and book online.
Check the Search result preview under the fields.
Tap Publish changes so the new title and description go live.

The page title falls back to a title made from your business details, shown as the placeholder.
The description falls back to the start of your About text. The editor says We use your About text when this is empty. when there is no About text either.

Use the words customers type into Google: the service, your area and your business name.
Keep each page title unique to your business; do not copy a competitor.
Google decides when to show changes. A new title can take days to appear in search results.

Your page title and description in Google results and in link previews when your website link is shared.

I changed the title but Google still shows the old one. Why?: Make sure you tapped Publish changes. After that, Google updates its results on its own schedule, which can take days.
Why is the counter turning colour while I type?: The counter warns you when you are close to the limit: 60 characters for Page title and 160 for Description.