Globemallow is a browser extension that produces detailed sustainability reports on the energy consumption and estimated carbon output of any webpage.

1. Energy Consumption: The primary factor is the electricity consumption of bytes transferred.
2. CO2 Emissions: Energy consumption data is used to estimate the carbon footprint of the website.

1. Extension Format: View reports directly on the page without opening a new tab or window.
2. Detailed Reports: Break down elements of the page contributing to power consumption and the overall digital footprint.
3. Sustainability Grade: Each site tested receives a grade to quickly see its overall digital footprint.
4. Suggested Improvements: Recommendations are provided for each element, highlighting where sites excel or fall short.

1. Page Weight: Total size of the page uploaded to the server.
2. Background Color: Darker backgrounds consume less energy.
3. Image Format and Size: Some formats are more energy-intensive than others.
4. Green Hosting: Hosting that uses renewable energy sources scores higher.
5. Redirects: Redirects consume unnecessary energy.