Question 1

How do I use TMI to analyze image weight on my website?

Accepted Answer

Install TMI globally via npm, then run 'tmi <url>' with options like --verbose for detailed summaries or --strategy for mobile/desktop analysis, as shown in the README example with todomvc.com.

Question 2

TMI vs Lighthouse: which is better for image optimization?

Accepted Answer

TMI specializes in image weight analysis with BigQuery benchmarking for focused insights, while Lighthouse offers broader performance audits. Use TMI for deep image diagnostics and Lighthouse for comprehensive page reviews.

Question 3

Can TMI work with localhost or offline files?

Accepted Answer

Currently, TMI does not support localhost or local file testing, as stated in the README. The project plans to add this, but for now, you need tools like ngrok to expose local sites for analysis.

Question 4

What API key do I need for TMI and how to get it?

Accepted Answer

TMI uses Google's PageSpeed Insights API, requiring a Google API key for higher usage tiers. You can provide it via the --key option, though a free tier is available by default, as mentioned in the help output.

Question 5

Does TMI automate image compression or resizing?

Accepted Answer

No, TMI only analyzes image weight and identifies optimization opportunities through verbose reporting. It does not include automated tools for compression, resizing, or format changes—you'll need separate tools for that.

Question 6

How accurate is the BigQuery comparison in TMI?

Accepted Answer

The comparison uses Google's BigQuery quantiles based on aggregated web data, providing a reliable industry benchmark. However, it may not account for all niche site types or rapidly changing trends.

TMI

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