Short answer
Physical attraction can reasonably be considered, but it should be balanced with faith, character, compatibility and responsibility.
Islamic Guidance
What Islam teaches
Islam does not require people to ignore attraction when considering marriage. However, external appearance is temporary and should not become the sole basis for choosing a life partner.
Practical Guidance
What you can consider
Make sure attraction is accompanied by meaningful conversations about personality, values, expectations and future plans.
Sources
Sahih al-Bukhari; Sahih Muslim.