VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
General‑purpose web archiving used widely in financial research to cite and compare historical webpages (IR pages, fund fact sheets, product sites). Save Page Now (SPN2) enables on‑demand snapshots with options like outlink capture and full‑page screenshots. Availability and CDX APIs expose snapshot discovery; Memento provides time‑based negotiation. Rate limits/quotas apply to SPN2; crawling and replay behavior may vary by target site robots/policies. Some large platforms (e.g., Reddit) restrict Wayback access to content.
Key features
- On‑demand archiving via Save Page Now (SPN2) with POST/GET; options include capture_outlinks, capture_all, capture_screenshot, custom UA/cookies, and conditional capture (if_not_archived_within).
- Snapshot discovery: Availability API (/wayback/v1/available) returns the closest archived capture to a URL/time; CDX Server API lists/filters captures; Memento TimeGate/TimeMap endpoints enable time‑based content negotiation.
- Operational endpoints: user status (remaining/active SPN sessions) and system status (overload/OK) for SPN2.
- Mobile & extensions: official iOS/Android apps and browser extensions (Chrome, Firefox, Safari, Edge) for quick saving and lookup.
- Quotas/limits (SPN2): per‑minute, per‑day, per‑URL, resource size and screenshot size limits; concurrency dampening by host; max outlinks/embeds returned.
- Timestamps and replay: captures are timestamped (UTC) and replayed with toolbar metadata; screenshot capture available as a separate archived asset.
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