Link Header Parser

Link Header Parser

Commonly used for GitHub API pagination and preload/preconnect resource hints. Here rel, URL and parameters are all parsed.

Parse Result

3 Link items
#1rel=prev
https://api.github.com/repositories/1300192/issues?page=2
relprev
#2rel=next
https://api.github.com/repositories/1300192/issues?page=4
relnext
#3rel=last
https://api.github.com/repositories/1300192/issues?page=515
rellast

JSON Preview

[
  {
    "index": 0,
    "url": "https://api.github.com/repositories/1300192/issues?page=2",
    "rels": [
      "prev"
    ],
    "params": {
      "rel": "prev"
    }
  },
  {
    "index": 1,
    "url": "https://api.github.com/repositories/1300192/issues?page=4",
    "rels": [
      "next"
    ],
    "params": {
      "rel": "next"
    }
  },
  {
    "index": 2,
    "url": "https://api.github.com/repositories/1300192/issues?page=515",
    "rels": [
      "last"
    ],
    "params": {
      "rel": "last"
    }
  }
]

View Link headers online, clarify pagination and preload relationships.

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Use Cases

  • When debugging API pagination, first check what next/prev page info is in the Link header
  • Check website preload and prefetch resource preloading configuration to improve frontend performance
  • Analyze pagination relationships in list API response headers to confirm first, last and other boundary links are complete
  • When troubleshooting complex Link response headers, structurally view each rel relationship and target URL to avoid manual reading omissions

How to Use

  1. Paste Link response header content into input area
  2. Tool automatically parses pagination links, preload resources, and rel relationships with structured display
  3. View each link's target URL, rel parameter, and preload type
  4. Copy parsed results for API debugging or performance optimization records

Features

  • Pagination links understood directly: next, prev, first, last without manual string parsing
  • Performance-related relationships checked together: preload, prefetch and other declarations easier to verify
  • High-frequency API debugging scenario: Suitable for GitHub API, list interfaces, and response header integration
  • Structured result output: Help quickly understand complex Link headers and enable one-click copy

FAQ

What is the Link response header typically used for?

Link headers are commonly used for API pagination, resource preloading, and declaring related links. After splitting rel and target addresses, it's easier to determine if the server returned correct values.

Is it suitable for debugging GitHub API or pagination interfaces?

Yes. Many APIs put next page, previous page, and other info in the Link header. Parsing makes the pagination structure easier to understand.

Can it view preload resources and target URLs?

Yes. The tool is suitable for checking resource preloading configuration, link parameters, and redirect targets, convenient for frontend performance optimization and API debugging.

Why is manually reading Link response headers so difficult?

Because it's usually a long string of comma-separated links and attribute combinations. Manual reading easily misses rel, URL, or parameter details. The parser displays them structurally.