As recommended position of the GTM container has changed & this has caused some confusion. Hence, I created these diagrams explain how to optimise your container making experience...
5. Page <Head>
Page <Body>
GTM dataLayer1. New Outfit
Same position: new code
but same body
GTM script container
no iframe container
6. 2. New outfit + Boob Job
Same position: new code
with new upper <body>
7. Page <Head>
Page <Body>
GTM dataLayer2. New outfit + Boob Job
Same position: new code
with new upper <body>
GTM script container
GTM iframe container
8. 3. New outfit + New Shoes
Same position: new code
same upper <body> but new footer
9. Page <Head>
Page <Body>
GTM dataLayer3. New outfit + New Shoes
Same position: new code
same upper <body> but new footer
GTM script container
GTM iframe container
11. Page <Head>
Page <Body>
GTM dataLayer
4. The Ex-girlfriend:
New <head> & new <body>
GTM script container
GTM iframe container
12. Page <Head>
Page <Body> GTM dataLayer
5. Crazy Ex-girlfriend:
No head <head> & new <body>
GTM script container
GTM iframe container
13. Page <Head>
Page <Body>
GTM dataLayer
4. The Ex-girlfriend:
New <head> & new <body>
GTM script container
GTM iframe container
14. Page <Head>
Page <Body> GTM dataLayer
5. Crazy Ex-girlfriend:
No head <head> & new <body>
GTM script container
GTM iframe container
15. Page <Head>
Page <Body>
GTM dataLayer
6. Crazy Ex-girlfriend with a
boo-reduction & new shows:
No head <head>
& only new footer
GTM script container
GTM iframe container