LCP—CLS—INP—// THIS VISIT
Close-up of dark fabric and green stitching
UNSNAIL // I Invited One Script T-Shirt — black t-shirt, front view

[WEB_PERFORMANCE_MERCH]STRICTLY DEV GEAR

MERCH FOR THE
ONES WHO SHIP.

T-shirts for developers who take milliseconds personally. Soft fabric. Sharp jokes. Good reasons to leave your editor.

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[IN_FRAME]UNSNAIL // I Invited One Script T-Shirt
01 / 03

PRODUCT LINE SPECIFICATIONS.

The important details, without opening eight tabs. Prices vary by selected options.

Unsnail apparel categories, fit, available sizes and starting prices
ProductCategoryFit notesAvailable sizesFrom
UNSNAIL // I Invited One Script T-ShirtTeesRegular unisex fit. One third-party tag rarely travels alone. This print turns the familiar dependency cascade into a warning label for anyone who has watched a harmless embed invite an entire network waterfall.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Fine, I'll Fetch It Myself T-ShirtTeesRegular unisex fit. The cache missed, so the snail is taking the request personally. A front-print design for developers who know that every avoidable round trip feels longer when you can see it in the waterfall.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Think Global, Load Local T-ShirtTeesRegular unisex fit. Ship worldwide; serve nearby. This Content Delivery Network print celebrates the edge nodes, warm caches, and shorter routes that keep a global site feeling local.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Critical CSS T-ShirtTeesRegular unisex fit. Dress the top; let the rest wait. This Critical CSS print gives above-the-fold styling the red-carpet treatment while the nonessential rules stay behind the rope.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Drop the Dead Weight T-ShirtTeesRegular unisex fit. Unused code is still cargo. This tree-shaking print is a reminder to cut dead branches, trim the bundle, and keep only the modules that earn their bytes.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // DOM Bloat T-ShirtTeesRegular unisex fit. All this for one button. This DOM bloat design turns a mountain of nested divs into the monument it always threatened to become.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Love at First Paint T-ShirtTeesRegular unisex fit. A fast first paint makes an immediate impression. This First Contentful Paint design frames that first visible pixel as the beginning of a beautiful relationship.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Show Up, Then Show Off T-ShirtTeesRegular unisex fit. Readable first, branded second. This font-display: swap print celebrates the sensible order of operations: show the words now, then let the custom face make its entrance.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Responsive Image T-ShirtTeesRegular unisex fit. It is a thumbnail, not a billboard. This responsive-image design gives srcset and sizes their due for matching image bytes to the screen that actually requested them.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // AVIF / WebP T-ShirtTeesRegular unisex fit. Same picture, less baggage. This modern-image-format print packs AVIF and WebP into a colorful case for sharper delivery with fewer transferred bytes.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Rage Click T-ShirtTeesRegular unisex fit. Tap. Tap. Snap. This Interaction to Next Paint design captures the exact moment a slow response turns a patient visitor into a repeated-click benchmark.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Long Task T-ShirtTeesRegular unisex fit. Just one quick script, forty-five seconds later. This Long Task print follows the receipt trail from a tiny JavaScript promise to a thoroughly occupied main thread.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Attachment Issues T-ShirtTeesRegular unisex fit. Detached nodes can be hard to let go. This memory-leak print sends abandoned handlers, retained references, and one stubborn button toward the garbage collector.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Back Already? T-ShirtTeesRegular unisex fit. Leave the page; keep its place. This back/forward cache design celebrates instant history navigation and the satisfying return of a page that never had to rebuild itself.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Same Content, Less Baggage T-ShirtTeesRegular unisex fit. The payload is going places, so pack it properly. This Content-Encoding: br print turns Brotli compression into a neatly stacked case for smaller transfers.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Just a Slice T-ShirtTeesRegular unisex fit. Import the feature, not the whole application. This code-splitting print serves one useful slice while the rest of the bundle stays out of the first request.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Give Me a Break T-ShirtTeesRegular unisex fit. Long work behaves better when it makes room. This scheduler.yield() design gives the main thread a breather between the heavy task and the quick interaction waiting beside it.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // I Saw That Click Coming T-ShirtTeesRegular unisex fit. The fastest navigation is the one already getting ready. This Speculation Rules print imagines the next click arriving after the browser has read the room.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Long Task, Short Temper T-ShirtTeesRegular unisex fit. A blocked main thread has consequences. This Total Blocking Time design puts a long task on the tracks and the UNSNAIL mascot at the controls.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99
UNSNAIL // Time to First Bite T-ShirtTeesRegular unisex fit. The server has answered; dinner can begin. This Time to First Byte print turns backend latency into the first course of a properly measured request.XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL$24.99

// Select your size and color on the product page before adding to cart.

EVERY PRINT HAS A BACKSTORY.

unsnail-i-invited-one-sc.logTEE

One third-party tag rarely travels alone. This print turns the familiar dependency cascade into a warning label for anyone who has watched a harmless embed…

Read the source
unsnail-fine-ill-fetch-i.logTEE

The cache missed, so the snail is taking the request personally. A front-print design for developers who know that every avoidable round trip feels longer…

Read the source
unsnail-think-global-loa.logTEE

Ship worldwide; serve nearby. This Content Delivery Network print celebrates the edge nodes, warm caches, and shorter routes that keep a global site feeling local.A…

Read the source

ENGINEERED FOR
THE ONES WHO SHIP.

Web-performance in-jokes belong outside the browser console. Unsnail makes shirts for people who read Lighthouse reports for fun.

Cache misses. Layout shifts. Coffee that should never be deferred. The things you deal with every day deserve a place outside your browser console.

20DESIGNS IN THE BUILD
∞THINGS TO DEBUG
Read the manifesto ↗
Macro view of dark fabric, a precise seam and green stitching
[TEXTURE_DETAIL]// THE SOFT SIDE OF SOFTWARE

THE METRICS BEHIND THE MERCH.

A Core Web Vitals deep dive from Addy Osmani and the Chrome team. An archive classic for the performance-obsessed.

GET THE NEXT RELEASE NOTE.

New designs and the occasional dev-culture joke. No noisy dependencies.

    BEFORE YOU
    HIT DEPLOY.

    Still have a question? ↗
    How do I choose the right size?

    The catalog table above shows each design’s fit and available sizes. These t-shirts use a regular unisex fit in XS–5XL. Compare garment measurements in the size guide.

    How are orders made?

    Each order is printed on demand. Shipping options and costs appear at checkout for your delivery address.

    What if I need to return an order?

    For help with a return, contact us with your order details.

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