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Find files, editable templates and browser test targets by what you need to make or test. The directory below is cut by format; the two collections under it cut the same library by subject and by workflow.

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Security Contact JSON: 06

Well-known security contact JSON SAMPLE #6.

File: JSON · Well Known
Use case: Web assets

Security Contact JSON: 07

Well-known security contact JSON SAMPLE #7.

File: JSON · Well Known
Use case: Web assets

Security Contact JSON: 08

Well-known security contact JSON SAMPLE #8.

File: JSON · Well Known
Use case: Web assets

security.txt (RFC 9116)

An RFC 9116 security.txt with Contact, Expires, Encryption, and Policy fields: normally served at /.well-known/security.txt, for testing security.txt parsers.

File: TXT · Well Known
Use case: Web assetsEditor testing

security.txt: Expired SAMPLE

RFC 9116 security.txt SAMPLE variant (security-txt-expired.txt) for well-known parsers.

File: TXT · Well Known
Use case: Web assets· Conversion set

security.txt: Full SAMPLE

RFC 9116 security.txt SAMPLE variant (security-txt-full.txt) for well-known parsers.

File: TXT · Well Known
Use case: Web assets· Conversion set

security.txt: Minimal SAMPLE

RFC 9116 security.txt SAMPLE variant (security-txt-minimal.txt) for well-known parsers.

File: TXT · Well Known
Use case: Web assets· Conversion set

security.txt: Multi Contact SAMPLE

RFC 9116 security.txt SAMPLE variant (security-txt-multi-contact.txt) for well-known parsers.

File: TXT · Well Known
Use case: Web assets· Conversion set

security.txt: Pgp SAMPLE

RFC 9116 security.txt SAMPLE variant (security-txt-pgp.txt) for well-known parsers.

File: TXT · Well Known
Use case: Web assets· Conversion set

Service Worker (sw.js)

A sample cache-first service worker handling install, activate, and fetch events with an offline fallback, for testing service-worker registration, JS parsers, and PWA tooling.

File: JS · Pwa · JavaScript
Use case: Web assetsSyntax highlighting+1

Service Worker: Offline Shell SAMPLE

Cache-first SAMPLE service worker for PWA offline-shell registration tests.

File: JS · Pwa
Use case: Web assets· Conversion set

Sitemap index over three sitemaps

A sitemap index listing three child sitemaps, one dated with a plain date, one with a full W3C datetime, and one with no lastmod at all. Two of the children ship alongside it, so a crawler can be walked from index to URL.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap shard 1 (core pages)

The first child of the sitemap index: six core URLs with a deliberately uneven mix of lastmod, changefreq and priority, including one entry that carries nothing but a loc. For testing that optional sitemap fields really are optional.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap shard 2 (blog and legal)

The second child of the sitemap index: six URLs dated with W3C datetimes in two different timezone offsets, including a changefreq of never and a priority of 0.1. For testing datetime normalisation and priority ordering.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap with a deliberately invalid hreflang cluster

A deliberately invalid hreflang cluster: an `en-UK` region that does not exist, an underscore locale, a German page that never links back, a Spanish self-reference dropped to http, and no x-default anywhere. For testing that an international audit reports each defect rather than the first one.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap with a reciprocal hreflang cluster

A sitemap whose three URLs form a complete hreflang cluster: every page lists every locale including itself and a shared x-default. This is the shape an international audit should pass, and the reference twin of the broken cluster.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap with the image extension

A sitemap using the image extension namespace: six images across three pages, with and without titles and captions, in JPEG, WebP and AVIF. For testing extension-namespace parsing and image-discovery pipelines.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap with the news extension

A two-URL news sitemap with publication name, language, publication date and headline for an English and a German article. For testing nested extension elements and per-article language handling.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap with the video extension

A sitemap using the video extension namespace: one fully populated entry with duration, rating, view count, country restriction and tags, and one minimal entry with only the required children plus a player attribute. For testing video-sitemap parsers and their attribute handling.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

Sitemap with XML escaping and percent-encoding

A sitemap of URLs that need both layers of escaping the format demands: ampersands written as XML entities and reserved characters percent-encoded, plus a punycode host. For testing that a parser unescapes exactly once and does not double-decode.

File: XML · Crawlers
Use case: Web assetsWeb scraping+1· Conversion set

sitemap.xml

An XML sitemap (sitemaps.org 0.9) with loc, lastmod, changefreq, and priority for several URLs, for testing sitemap parsers and crawl-scheduling tools.

File: XML · Crawlers · UTF-8
Use case: Web assetsEditor testing

Source map index map (sections with offsets)

An index map: instead of a top-level `mappings` string it carries a `sections` array of offset-and-map pairs, the form used when several independently built chunks are concatenated. For testing decoders that assume every map has mappings at the root.

File: JSON · Build Output
Use case: Web assetsCode parsing+1· Conversion set

Source map v3 (external, with sourcesContent)

A complete v3 source map for the minified bundle: two sources with their full original text inlined in sourcesContent, two names, and five VLQ-encoded mapping segments. For testing source-map decoders and stack-trace symbolication without any network fetch of the originals.

File: JSON · Build Output
Use case: Web assetsCode parsing+1· Paired fixture

Source map v3 for a stylesheet

The v3 map for the minified stylesheet: one source with its text inlined, an empty names array, and three segments covering the selector and both declarations. For testing that a decoder handles maps with no names at all.

File: JSON · Build Output
Use case: Web assetsCode parsing+1· Paired fixture