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ETag-Based Caching for Dynamic Pages in Go

ETag-Based Caching for Dynamic Pages in Go

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3 min read
Five Production Bugs You Can Reproduce in a Browser Tab

Five Production Bugs You Can Reproduce in a Browser Tab

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12 min read
A CORS Error on a POST Does Not Mean the POST Failed

A CORS Error on a POST Does Not Mean the POST Failed

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4 min read
Wix image URLs: fill vs fit, enc_auto, Vary: Accept and the file behind /v1/

Wix image URLs: fill vs fit, enc_auto, Vary: Accept and the file behind /v1/

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5 min read
Chrome got zstd for the HTML and gzip for the CSS. Brotli was 279 KB smaller.

Chrome got zstd for the HTML and gzip for the CSS. Brotli was 279 KB smaller.

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7 min read
HTTPS and HTTP

HTTPS and HTTP

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16 min read
Cache headers for images: immutable, hashed names and CDNs

Cache headers for images: immutable, hashed names and CDNs

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5 min read
Fetch Metadata turns request context into an authorization input

Fetch Metadata turns request context into an authorization input

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3 min read
Opaque Response Blocking closes a cross-origin media read path

Opaque Response Blocking closes a cross-origin media read path

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3 min read
Dribbble's image URLs: imgproxy options, Vary: Accept, and the shots that ignore resize

Dribbble's image URLs: imgproxy options, Vary: Accept, and the shots that ignore resize

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4 min read
How to Schedule Recurring HTTP Data Cleanup Triggers Without Task Executors (and Why)

How to Schedule Recurring HTTP Data Cleanup Triggers Without Task Executors (and Why)

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5 min read
One add_header in a location deletes every header above it

One add_header in a location deletes every header above it

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6 min read
Handling Legacy Domain Requests on a Static Site with 301 and 410

Handling Legacy Domain Requests on a Static Site with 301 and 410

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2 min read
A Collision in Our Own Per-Request Key: One of Our URLs Returned the Same Bytes Twice in 30 Fetches

A Collision in Our Own Per-Request Key: One of Our URLs Returned the Same Bytes Twice in 30 Fetches

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4 min read
HTTP Headers Explained: What They Are and How They Work

HTTP Headers Explained: What They Are and How They Work

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6 min read
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