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Two Server-Timing Lines on Every Response: What Our Own Host Sends Twice, and Why Your Parser Shows You One

Two Server-Timing Lines on Every Response: What Our Own Host Sends Twice, and Why Your Parser Shows You One

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3 min read
Eight Named, One Delivered: The Expose List on Our API Host and the Route That Proves It

Eight Named, One Delivered: The Expose List on Our API Host and the Route That Proves It

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3 min read
21 of our 114 sites answer every missing URL with the homepage. Search Console calls that indexed.

21 of our 114 sites answer every missing URL with the homepage. Search Console calls that indexed.

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10 min read
Backend Cron Alternatives for Scheduled Go Scripts with HTTP Digest Recovery

Backend Cron Alternatives for Scheduled Go Scripts with HTTP Digest Recovery

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7 min read
The Protocol Layer of app.onepassapps.com: 56 URLs, Two HTTP Versions, and the Two Headers HTTP/2 Drops

The Protocol Layer of app.onepassapps.com: 56 URLs, Two HTTP Versions, and the Two Headers HTTP/2 Drops

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4 min read
Content-Length on Our API Host: 47 Answers Carry It, 4 Are Chunked, and gzip Flips Two More

Content-Length on Our API Host: 47 Answers Carry It, 4 Are Chunked, and gzip Flips Two More

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3 min read
The Busy Answer: A 503 With SERVICE_BUSY and Retry-After From Our Own API Host

The Busy Answer: A 503 With SERVICE_BUSY and Retry-After From Our Own API Host

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4 min read
Six Query Shapes, 56 Pages: What a Repeated, Blank or Encoded Tracking Parameter Does to Our Own Site

Six Query Shapes, 56 Pages: What a Repeated, Blank or Encoded Tracking Parameter Does to Our Own Site

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4 min read
The Client-Hints Layer of app.onepassapps.com: 238 Requests, Not One Accept-CH, and Headers That Never Move

The Client-Hints Layer of app.onepassapps.com: 238 Requests, Not One Accept-CH, and Headers That Never Move

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4 min read
The HEAD Layer of app.onepassapps.com: What a Request With No Body Asks For

The HEAD Layer of app.onepassapps.com: What a Request With No Body Asks For

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5 min read
Our API Host Ignores the Query String: Ten Shapes, One Answer, 43 Records Every Time

Our API Host Ignores the Query String: Ten Shapes, One Answer, 43 Records Every Time

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4 min read
The Reporting Layer of app.onepassapps.com: 56 Pages, One Reporting Group, and a Fresh Token on Every Response

The Reporting Layer of app.onepassapps.com: 56 Pages, One Reporting Group, and a Fresh Token on Every Response

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3 min read
Our robots.txt bans 31 crawlers. I tested 7: two got through, and Baidu got a 520.

Our robots.txt bans 31 crawlers. I tested 7: two got through, and Baidu got a 520.

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9 min read
What a 404 Costs on app.onepassapps.com: 114 Requests, 1.2 MB, and a Title That Never Changes

What a 404 Costs on app.onepassapps.com: 114 Requests, 1.2 MB, and a Title That Never Changes

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3 min read
What Happens to 12 Ways to Misspell a URL on app.onepassapps.com: The Status Codes and Where They Point

What Happens to 12 Ways to Misspell a URL on app.onepassapps.com: The Status Codes and Where They Point

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3 min read
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