Chronological feed of writing, field notes, and colophon updates from Tony Seets.https://tonyseets.com/en-ustony@tonyseets.com (Tony Seets)tony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-04-17-ask-palette-ai-search/https://tonyseets.com/colophon/2026-04-17-ask-palette-ai-search/Shipped search and Ask.Fri, 17 Apr 2026 00:00:00 GMTaicloudflareai-searchclaude-codeexperimenttony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/skill-issue/https://tonyseets.com/blog/skill-issue/The beauty of a stupid question anymore is a stupid answer.Mon, 06 Apr 2026 00:00:00 GMTailearningprocesscollaborationtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-10-astro-6-stable-same-worker/https://tonyseets.com/colophon/2026-03-10-astro-6-stable-same-worker/Swapped the live Worker from the Astro 6 beta stack to stable, reran the checks, and confirmed the risky part had already happened.Tue, 10 Mar 2026 00:00:00 GMTastrocloudflareworkersmigrationtony@tonyseets.com (Tony Seets)https://tonyseets.com/field-notes/2026-03-09-clockwork-multi-project-control/https://tonyseets.com/field-notes/2026-03-09-clockwork-multi-project-control/Link: https://www.reddit.com/r/ClaudeCode/comments/1rp30b0/controlling_multiple_claude_code_projects_with/Mon, 09 Mar 2026 12:00:00 GMTclaude-codeclockworkorchestrationtoolingaitony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/cowboy-shit/https://tonyseets.com/blog/cowboy-shit/This site, a beta framework, a runtime migration, and a weirdly clear picture of what agents can actually do now.Mon, 09 Mar 2026 00:00:00 GMTaiprocessmigrationagentscollaborationtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-08-almost-astro-6-workers-cutover/https://tonyseets.com/colophon/2026-03-08-almost-astro-6-workers-cutover/Astro 6 beta + Workers migration, production cutover, tweet embeds, and perf cleanup.Sun, 08 Mar 2026 00:00:00 GMTastrocloudflareworkersmigrationperformancetony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/ai-site-audit/https://tonyseets.com/blog/ai-site-audit/I pointed an AI agent at my site's SEO and it built systems instead of applying patches.Thu, 05 Mar 2026 00:00:00 GMTaiseometatony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/the-throttle/https://tonyseets.com/blog/the-throttle/Both AI companies are rationing compute this week. I asked Claude to pull the thread on why. Here's what came back.Thu, 05 Mar 2026 00:00:00 GMTaicomputebusinessanthropicopenaitony@tonyseets.com (Tony Seets)https://tonyseets.com/field-notes/2026-03-05-cost-estimate-skill/https://tonyseets.com/field-notes/2026-03-05-cost-estimate-skill/Todd Saunders posted about a /cost-estimate command in Claude Code that prices out what your codebase would've cost a real team to build. I liked the idea, turned it into a reusable skill, and pointed it at tonyseets.com.Thu, 05 Mar 2026 00:00:00 GMTaitoolingestimationcodextonyseetstony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-05-link-preview-prefetch/https://tonyseets.com/colophon/2026-03-05-link-preview-prefetch/Link preview tooltips now prefetch metadata before you hover, eliminating the visible flash between domain fallback and rich preview. Uses ForesightJS proximity detection to prefetch on cursor approach.Thu, 05 Mar 2026 00:00:00 GMTuxperformanceweb-componentstony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-05-link-preview-validation/https://tonyseets.com/colophon/2026-03-05-link-preview-validation/Link preview tooltips now verify that the URL being previewed actually appears on the referring page, and preview images render through proper DOM construction instead of string injection.Thu, 05 Mar 2026 00:00:00 GMTuxlink-previewsqualitytony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-05-mermaid-polish/https://tonyseets.com/colophon/2026-03-05-mermaid-polish/Upgraded beautiful-mermaid to 1.1.3, fixed XY chart bar rounding, made the diagram modal edge-to-edge, and unified drag handle indicators across code panel and modal.Thu, 05 Mar 2026 00:00:00 GMTdiagramscssui-polishtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-05-seo-metadata-systems/https://tonyseets.com/colophon/2026-03-05-seo-metadata-systems/Added build-time llms.txt generation, a shared metadata resolver for consistent page titles and descriptions, reusable JSON-LD schema components, and a validation script that checks SEO health across the built sitemap.Thu, 05 Mar 2026 00:00:00 GMTseoschemametadatallmsinfrastructuretony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/slop-x-slop/https://tonyseets.com/blog/slop-x-slop/Over-polishing has crushed more of my ideas than their shortcomings ever have.Tue, 03 Mar 2026 00:00:00 GMTaicreative-processmetatony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-03-cls-investigation/https://tonyseets.com/colophon/2026-03-03-cls-investigation/The site felt chonky. Traced it from view transition jank on mobile through modal lag and same-page nav bugs to the real culprit: the critical CSS integration was async-loading stylesheets, causing massive layout shift on every page load.Tue, 03 Mar 2026 00:00:00 GMTperformanceclscssview-transitionsdebuggingtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-03-recraft-v4-cover-images/https://tonyseets.com/colophon/2026-03-03-recraft-v4-cover-images/Swapped every cover image on the site from Recraft v3 to v4. Same palette, same style prompt, better compositions. The prompt generation pipeline got an overhaul too.Tue, 03 Mar 2026 00:00:00 GMTaiimagesfalrecrafttony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-03-02-haptic-feedback/https://tonyseets.com/colophon/2026-03-02-haptic-feedback/Discovered web-haptics, a zero-dep wrapper around the Vibration API (with a clever iOS fallback). A handful of prompts later, every interactive element on the site has tactile feedback on mobile.Mon, 02 Mar 2026 00:00:00 GMTmobileuxweb-componentsvibration-apitony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-02-13-critical-css/https://tonyseets.com/colophon/2026-02-13-critical-css/Misconfigured critters was inlining everything. Went looking for alternatives, found archived projects and dated advice, ended up building a Playwright-based critical CSS integration from scratch.Fri, 13 Feb 2026 00:00:00 GMTperformancecssastroplaywrighttony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/markdown-for-agents/https://tonyseets.com/blog/markdown-for-agents/My entire homepage, reduced to a tagline and some labels.Thu, 12 Feb 2026 00:00:00 GMTcloudflaremarkdownagentsaicontent-negotiationtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-02-12-markdown-for-agents/https://tonyseets.com/colophon/2026-02-12-markdown-for-agents/Flipped one toggle and now every page on this site speaks Markdown to agents.Thu, 12 Feb 2026 00:00:00 GMTcloudflareaidocstony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-02-10-github-activity-dashboard/https://tonyseets.com/colophon/2026-02-10-github-activity-dashboard/I wanted to see what I'm actually shipping, not just that I'm shipping. Built a GitHub activity dashboard backed by live GitHub API data at the edge, with two very different chart implementations.Tue, 10 Feb 2026 00:00:00 GMTgithubvisualizationtoolingperformancetony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/why-artifacts/https://tonyseets.com/blog/why-artifacts/Most developers delete their test pages. I made mine a first-class content type.Fri, 06 Feb 2026 00:00:00 GMTmetaprocesstestingiterationtony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/colophon/https://tonyseets.com/blog/colophon/This site's colophon is a stream of build decisions, not a static tech stack page.Thu, 05 Feb 2026 00:00:00 GMTcolophonmetabuildingtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-02-05-link-preview-tooltips/https://tonyseets.com/colophon/2026-02-05-link-preview-tooltips/Hovering external links now shows a preview tooltip with favicon, title, and description. A Cloudflare Worker fetches and caches metadata, while the client uses a singleton tooltip and Floating UI for positioning.Thu, 05 Feb 2026 00:00:00 GMTuxperformanceastrotony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-02-05-pipes-screensaver/https://tonyseets.com/colophon/2026-02-05-pipes-screensaver/The 'Calling the Plumbers' post has an optional background animation, a recreation of the Windows 3D Pipes screensaver. Canvas 2D with simplified 3D projection. Hit play on the control strip to start it up, or go fullscreen for the screensaver experience.Thu, 05 Feb 2026 00:00:00 GMTeaster-egganimationcanvastony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-02-05-privacy-friendly-x-embeds/https://tonyseets.com/colophon/2026-02-05-privacy-friendly-x-embeds/Standard X embeds load tracking scripts and set cookies on every page view. This site uses astro-tweet to fetch posts at build time and render them as static HTML. X never knows when someone views the embedded post.Thu, 05 Feb 2026 00:00:00 GMTprivacyembedsastrotony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/agent-shaped-web/https://tonyseets.com/blog/agent-shaped-web/AI Overviews now eat 58% of clicks. Responsive design optimizes for every screen size humans own. Agents don't care about either. What does an agent-first web actually look like?Wed, 04 Feb 2026 00:00:00 GMTaiwebagentsdesigndistributiontony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/calling-the-plumbers/https://tonyseets.com/blog/calling-the-plumbers/On knowing when to stop doing everything yourself, and why AI didn't change thatTue, 03 Feb 2026 00:00:00 GMTno-codeaicollaborationself-reflectiontony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/escape-the-echo-chamber/https://tonyseets.com/blog/escape-the-echo-chamber/Why following someone else's playbook probably won't work for youTue, 03 Feb 2026 00:00:00 GMTdistributionindie-hackingmarketingtony@tonyseets.com (Tony Seets)https://tonyseets.com/blog/github-graveyard/https://tonyseets.com/blog/github-graveyard/Why good projects die in obscurity and what's actually missingTue, 03 Feb 2026 00:00:00 GMTdistributionmarketingopen-sourcetony@tonyseets.com (Tony Seets)https://tonyseets.com/field-notes/2026-01-30-domain-checking-skill/https://tonyseets.com/field-notes/2026-01-30-domain-checking-skill/Built a domain-checking skill for Claude Code using RDAP. String matching with whois kept failing. Structured protocols solve it.Fri, 30 Jan 2026 00:00:00 GMTdomain-checkingskillsautomationclaude-coderdapwhoistony@tonyseets.com (Tony Seets)https://tonyseets.com/field-notes/2026-01-28-ccstatusline-configuration/https://tonyseets.com/field-notes/2026-01-28-ccstatusline-configuration/Custom ccstatusline config with Unicode icons for tracking model, tokens, and costs in real-time. Seeing dollar figures changes how you plan.Wed, 28 Jan 2026 00:00:00 GMTclaude-codeconfigurationtoolingtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-01-28-devtools-disable-cache/https://tonyseets.com/colophon/2026-01-28-devtools-disable-cache/Spent hours convinced my images weren't caching across View Transitions navigations. Server headers were perfect. Cloudflare config was perfect. The problem was DevTools "Disable cache" being checked.Wed, 28 Jan 2026 00:00:00 GMTperformancedebuggingtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2026-01-28-mermaid-diagrams/https://tonyseets.com/colophon/2026-01-28-mermaid-diagrams/Added build-time mermaid diagrams using beautiful-mermaid. SVG output, themeable via CSS variables, zero client-side JavaScript.Wed, 28 Jan 2026 00:00:00 GMTastrodiagramsdxtony@tonyseets.com (Tony Seets)https://tonyseets.com/colophon/2025-01-28-image-optimization/https://tonyseets.com/colophon/2025-01-28-image-optimization/Added LQIP (Low Quality Image Placeholders) to the about page using astro-lqip. Base64-encoded blurred previews now load instantly before the full images, eliminating layout shift and giving a smoother perceived load.Tue, 28 Jan 2025 00:00:00 GMTperformanceastrotony@tonyseets.com (Tony Seets)