[HN Gopher] Show HN: HTTP:COLON - A quick HTTP header/directive ...
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Show HN: HTTP:COLON - A quick HTTP header/directive inspector and
reference
Hi HN -- I built HTTP:COLON, a small, open-source web tool for
quickly checking a site's HTTP response headers and learning what
they mean as you go. Link: https://httpcolon.dev/ What it does -
Enter a URL and fetch its response headers - Groups common headers
into handy buckets (cache, content, security) - Includes short
docs/tooltips for headers and directives so you can look things up
while debugging. I find hovering on highlighted headers quite
useful! Supports different HTTP methods (GET/POST/PUT/DELETE)
Deep links - You can link directly to a host, e.g.
https://httpcolon.dev/www.google.com (or any domain) to jump
straight into inspecting it. Why I made it - I kept bouncing
between DevTools, MDN, and random blog posts while debugging
caching + security headers. I wanted one place that's quick for
"what am I getting back?" and "what does this header/directive do?"
It's in beta, and I'd love feedback on: - Missing features you'd
want for day-to-day debugging (export/share formats, comparisons,
presets, etc.) Thanks!
Author : ultimoo
Score : 18 points
Date : 2026-01-18 18:03 UTC (4 hours ago)
(HTM) web link (httpcolon.dev)
(TXT) w3m dump (httpcolon.dev)
| php-3 wrote:
| Heyho. Really nice Work, Love the Design.
|
| Maybe you have an Idea for my Feedback: IT would be cool if i can
| save my favorites, so i can only come Back and See Always the
| Same. What do you think?
| ultimoo wrote:
| Good idea, maybe I could simply store this is in the browser's
| local storage instead of implementing server side state.
| php-3 wrote:
| Good Point! Would Love to Test IT, keep IT up!
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(page generated 2026-01-18 23:00 UTC)