You can easily locate a word or set of characters on a webpage in iWeb and change it to something else.
Select the page you want to search by clicking it in the sidebar on the left of the iWeb window.
Choose EditĀ > FindĀ > Find Panel.
In the Find field, type the text you want to search for.
If you want to replace the text, type the new text in the Replace field.
Click one of these buttons:
Replace All: Replaces all occurrences of the text on the webpage with text you enter in the Replace field.
Replace: Replaces the selected text with text you enter in the Replace field.
Replace & Find: Replaces the current selection and immediately finds the next occurrence.
Previous or Next: Finds the previous or next occurrence of the text without changing the current selection.