Images · Diagnosis
Do large images slow down a website?
Separate transfer size, pixel dimensions and decoded memory, then find the image changes that can make a real difference.
Read the guideWebsite performance guides
Understand what makes a website slow.
Practical explanations for finding performance problems, understanding the browser and testing changes under controlled conditions.
Latest guides
Start with the problem you are investigating.
Use the evidence carefully
A lab test is a controlled view, not the whole user experience.
Latixo loads a public webpage in Chromium from a selected Browser Node. That makes it useful for repeating a test under the same profile and comparing one change at a time.
Results still vary with location, page state, network conditions and third-party services. Read the website speed test metrics guide before drawing conclusions from a single run.
Run a website speed test