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Field Notes

The public operating journal.

Concise observations, transparent breakdowns, and material updates from the work—without manufacturing a daily content treadmill.

Evidence-conscious notes

Published Field Notes

Complete answers, not a content treadmill.

New articles appear here only after their evidence, claims, sources, and practical value have been reviewed.

SEO and Content Acquisition

How to Prevent Layout Shifts on Affiliate Sites: A CLS Fix Guide

Reserve the final space for product media, ads, embeds, fonts, and late interface elements before they load, then fix the largest unexpected movement first.

By Duff · 6 min read

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SEO and Content Acquisition

Should Affiliate Sites Use WebP or AVIF? An Image-Format Guide

Use AVIF or WebP when a tested export meaningfully reduces image bytes without obscuring product details, and keep a dependable fallback and responsive sizes.

By Duff · 6 min read

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SEO and Content Acquisition

Should Affiliate Sites Use a CDN? A Cache-Control Guide

Use a CDN when edge caching solves measured latency, traffic, or resilience problems—not as a ranking shortcut—and set a cache policy for each content type.

By Duff · 6 min read

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SEO and Content Acquisition

How to Write Alt Text for Affiliate Images: A Decision Guide

Write alt text around an image's purpose on the page: convey useful product information, name linked actions, explain complex data nearby, and silence decoration.

By Duff · 6 min read

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SEO and Content Acquisition

Should Affiliate Sites Use Client-Side Rendering? A Practical Rule

Most affiliate sites should serve complete article HTML first and use JavaScript for enhancement. Reserve client-side rendering for interactions that truly need it.

By Duff · 7 min read

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SEO and Content Acquisition

Should Affiliate Sites Use 301 Redirects? A URL-Change Guide

Use a 301 only when an affiliate URL is permanently replaced by a useful on-site page. Prefer server-side redirects, keep the map one-to-one, and avoid homepage dumps.

By Duff · 6 min read

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Editorial lanes

Three categories. One evidence standard.

One reader intent, one original angle, complete public value, visible tradeoffs, sourced claims, and a contextual next step.

01

Affiliate Operating Systems

Offer fit, useful assets, disclosure, measurement, and the operating sequence behind legitimate affiliate work.

02

SEO and Content Acquisition

Search intent, durable content, technical foundations, internal linking, and evidence-led traffic improvement.

03

AI and Workflow Automation

Responsible AI systems for repeatable work, with human review retained where accuracy, trust, and risk matter.

Duff signs his name to the work.

First-person claims, timelines, screenshots, and results appear only when the supporting evidence is available. Research and interpretation are labeled plainly.

Open notes

Start with the standards already in use.

These notes explain how AskDuff handles evidence, incentives, and editorial independence before more observations are added.

Note formats

Short when short is enough. Detailed when the evidence requires it.

Field Notes is the public operating journal, not a volume-driven content feed.

01

Observation

A concise pattern, failure, or decision worth recording while the evidence is still fresh.

02

Breakdown

A structured explanation of a workflow, tool decision, or public framework with evidence limits.

03

Update

A material change to an earlier conclusion, label, tool, policy, or build status.

The Duff Lab

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