When reading a poem closely to interpret its meaning and nuances, the title of the poem can give you clues about the theme of the poem. The rhyme scheme and stanza structure are structural aspects of the poem that can work to convey an idea in certain styles like concrete poetry, but the do not give us enough information to interpret the meaning of the poem.
Also, the name of the poet is not a reliable source since a poet can write about different themes and present different perspectives.
On the other hand, the name of the poem can help us deciphering the meaning of the poem and even clarify through certain words of tone whether the poem is satirical, signifying or else. The title of the poem is the most reliable option.
