01.png -

Many sites use this naming convention for cropped logos or icons (e.g., Brew Bird , Rampart Library District, First Tee).

Based on the search results, "01.png" appears to be a generic filename often used for introductory graphics, logos, or figures within a set. Examples found include: 01.png

Frequently used for web graphics, diagrams, and logos. Many sites use this naming convention for cropped