In IOS mobile safari browser popup window not showing In incognito mode - safari

I have an issue related to the popup window in a mobile safari browser. In mobile browser popup not showing but when I opened the same site in Mackbook safari browser it's showing, its also showing on the mobile app but when I opened it on the mobile safari browser it's not showing. I checked the browser settings for popup it on.

Related

Why the "Sign In with Google" button looks different in Safari and in Chrome?

I'm trying to use the Google Identity > Sign In With Google for Web on a test web application. I followed the Display the Sign In With Google button and the button (and the One Tap) show the way I expected in Google Chrome
Note how the button shows my name and email address already
But in Safari I get a generic button:
I'm able to login to my test app with Safari and Chrome, so it's not because it's my first login (which I noticed it's one reason why both Chrome and Safari will show a generic button)
I know that the button experience should be the same in Safari and Chrome because the "sign in with google" button in the documentation overview https://developers.google.com/identity/gsi/web/guides/overview looks right in both Safari and Chrome.
So what can prevent Safari from displaying my name and email in the button?
The button code:
<div id="g_id_onload"
data-client_id="<%=google_client_id%>"
data-context="signin"
data-ux_mode="redirect"
data-login_uri="<%=login_uri%>"
data-nonce=""
data-itp_support="true">
</div>
<div class="g_id_signin"
data-type="standard"
data-shape="rectangular"
data-theme="outline"
data-text="signin_with"
data-size="large"
data-logo_alignment="left">
</div>
The button looks different in Safari because Safari blocks third party cookies by default "Preferences > Privacy > Website tracking > Prevent cross-site tracking". See Apple Support > Prevent cross-site tracking in Safari on Mac
It seems that the ITP (Intelligent Tracking Protection) in Safari negates the "advanced" version of the "Sign in with Google" button.
In the Safari Privacy Report you can see that it blocked google.com
After disabling temporarily that option and reloading the page in Safari, the "Sign In with Google" button looks the same as in Chrome or Firefox.
Of course, the rest of the Safari users will have the "Prevent cross-site tracking" enabled so they will still see the other version of the button, unfortunately.

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enter image description here
it's in true show and in mobile chrome browser
and its in ie and safari mobile browsers
enter image description here
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