[Pound]

may be image not show please http://www.fkx.asia/understandme.jpg

[Pound]

dear @venutius

May be i done what my expected,
“google search” can understand title tag that i set from js.

document.title = ‘<?php echo strip_tags(mb_substr(bp_get_activity_content_body(), 0, 40)); ?>’;

and search engine can index website activity by activity
with title tage from first 40 charactors of ‘activity content body’

I’d like to say thank you to you again for taking the time to help me.

[Pound]

dear @venutius

now i put

<?php
include(“header.php”);
$title = “TITLE”;

$output = str_replace(‘%TITLE%’, $title, $output);
echo $output;
?>

to entry.php and nothing effected, may be i’m not understand how it use.
so, i will try to study about your advice about 2 day and will report the result to you again.
Thank you very much.

[Pound]

on entry.php i do this

<script type=”text/javascript”>
document.title = ‘<?php echo strip_tags(mb_substr(bp_get_activity_content_body(), 0, 40)); ?>’;
</script>

this is example of my output http://www.retrophotoclub.com/members/admin/activity/47/

it is ok to change title tag, but i thing it will change after page is load finished.

i would like to try this with php with out use javascript.

Thank you so much @venutius

[Pound]

dear @venutius
thank you very much for teach me.
I want to get first 40 charector of bp_get_activity_content_body() and set to single activity page <title> tag.
Could you please guide me to do.
Thank you very much