# Lychee link checker configuration.

# See https://lychee.cli.rs for the full reference.

cache = true

max_cache_age = "30d"

max_redirects = 5

timeout = 15

max_concurrency = 32

retry_wait_time = 2

# Tasks such as "Hello world/Web server" use localhost/127.0.0.1 URLs

# as example demo addresses. These have no public target so skip them.

exclude_loopback = true

# Status codes to accept. 4xx auth/throttling responses prove the resource

# exists; the failure is an access restriction we cannot work around.

accept = [

"200..=299",

"301", "302", "304", "307", "308",

"401", "403", "405", "429",

]

exclude = [

# Templates link every page to GitHub for "Edit"/"Submit issue", so

# GitHub aggressively rate-limits these. The links work in browsers.

'github\.com/.*?/(issues/new|tree/master)',

# Lychee fails on rosettacode.org with TLS/cert errors that don't

# reproduce in browsers or curl.

'rosettacode\.org',

# Defunct services

'scalafiddle\.io',

'alioth\.debian\.org',

'siteduzero\.com',

'merd\.sourceforge\.net',

'swiftapi\.com',

'php2python\.com',

'angelfire\.com',

'informatyka\.wroc\.pl',

'wiki\.theory\.org/YourLanguageSucks',

# Sites already documented as dead in content/similar_sites.md "Archive".

'algpedia\.dcc\.ufrj\.br',

'amath\.colorado\.edu',

'cs\.fit\.edu/~ryan/compare',

'cw\.tactileint\.com',

'eqcode\.com',

'everything2\.com',

'sicp\.org\.ua',

'wiki\.archlinux\.org/index\.php/Kiloseconds',

'wiki\.schmid\.dk',

'www\.algorithm-code\.com',

'www\.codepoetics\.com',

'www\.dawnofthegeeks\.com',

'www\.kernelthread\.com',

'www\.miranda\.org',

'www\.nocruft\.com',

'www\.planetsourcecode\.com',

'wp7mapping\.interoperabilitybridges',

# Persistent cert/connection errors from lychee but reachable in browsers

'jibbering\.com',

'l\.autohotkey\.com',

'autohotkey\.com/forum',

'mvshelp\.net',

'i\.csc\.uvic\.ca',

'simula67\.at\.ifi\.uio\.no',

'gfycat\.com',

'blog\.newsystemsthinking\.com',

'git\.chise\.org',

# Unreachable domains used by many language-specific task entries.

# Fōrmulæ programs live on the project wiki; the Gambas playground

# hosts runnable gists. Both sites currently time out for lychee and

# curl alike, but the links exist on every task page for those langs.

'wiki\.formulae\.org',

'gambas-playground\.proko\.eu',

# Defunct user directories from the retired AutoHotkey community

# hosting at www.autohotkey.net (lychee reports them as broken but

# the shared hosting never returned). No wayback captures exist.

'www\.autohotkey\.net',

# Former AutoHotkey link shortener domain, now dead.

'l\.autohotkey\.com',

# CLiki (Common Lisp wiki) and the Tapestry Unicon/Icon TWiki are both

# unreachable and have no wayback captures for the linked pages.

'www\.cliki\.net',

'tapestry\.tucson\.az\.us',

# German AHK community forum, defunct since at least 2022.

'www\.development-lounge\.de',

# HicEst redesigned their site; the old documentation .htm pages

# (MatrixExplorer, OPEN, SOLVE, etc.) are gone with no replacement

# and no usable wayback captures for most.

'(?i)www\.hicest\.com/[A-Za-z$]+',

# RubyForge shut down in 2014; Google Code shut down in 2016.

# Many projects migrated to GitHub under different paths.

'rubyforge\.org',

'googlecode\.com',

# Dr. Dobb's Journal (drdobbs.com) shut down in 2014 and the site

# went offline in 2023. Cited articles have no wayback replacements.

'(?:www\.)?drdobbs\.com',

# LOLCODE specs site is currently unreachable.

'(?:www\.)?lolcode\.com',

# Wikispaces shut down in 2018; the basic.wikispaces.com pages are gone.

'basic\.wikispaces\.com',

]