How WRL Compares

A factual comparison of WRL with other web archiving and evidence tools, including criteria where WRL is not the strongest option. Each cell reflects publicly documented capabilities as of March 2026. If something has changed, open an issue.

Notes

Manual Screenshots + Notarization

Legally established with centuries of precedent. Entirely manual, no automation possible. Notary attestation is broadly accepted by courts. Cost scales linearly with volume. WRL is faster, scalable, and cheaper but has less legal track record.

Webrecorder

Webrecorder created the WACZ format that WRL and other tools use. They also authored the WACZ-Auth specification for signing WACZ files, and their pywb toolkit powers web archives at national libraries worldwide. WACZ is recognized by the Library of Congress as an acceptable digital preservation format. Webrecorder's Browsertrix is the leading open-source platform for large-scale browser-based web archiving -- used by the IIPC, British Library, and the SUCHO project that preserved 5,400+ Ukrainian heritage sites. WRL implements signing as a default on every capture; Webrecorder provides the format, specification, and ecosystem WRL builds on. For self-hosted, open-source web archiving at scale, Webrecorder is the best choice.

Wayback Machine

Massive scale (1 trillion+ pages archived as of October 2025) and institutional credibility accepted by some courts. Captures have no cryptographic signatures -- integrity relies on trust in the Internet Archive as an institution. Rate-limited public API (15 req/min). The de facto reference for "what did this page look like" but not designed as an evidence tool.

PageFreezer

Enterprise-grade compliance platform (FedRAMP authorized, SOC 2). SHA-256 digital signatures with their own timestamping infrastructure (Stratum-1 atomic clock, ESIGN Act compliant). Timestamps are not from an independent third-party TSA per RFC 3161. Strong in social media archiving (Teams, Workplace) which WRL does not offer. Verification is internal to their platform.

Hanzo

Focused on dynamic content capture (SPAs, interactive elements) and eDiscovery workflows. SOC 2 Type 2 certified. No public API (confirmed by multiple review sources). Integrity approach is proprietary and not publicly documented. Note: Hanzo (hanzo.co) the web archiving company is distinct from Hanzo AI (hanzo.ai).

Page Vault

Purpose-built for US litigation. Provides expert witness testimony and affidavit services for court admissibility under FRE 901(b)(9) and FRE 902(13)/902(14). SHA-256 hashing with internal timestamps. No API -- browser extension and managed capture service. WRL provides machine-verifiable proof; Page Vault provides human-verifiable expert testimony.

MirrorWeb

Financial services compliance focus (SEC 17a-4, FINRA 2210, FCA COBS 4). Documentation references SHA-1 digital signatures, though this may have been updated (SHA-1 is cryptographically deprecated). SOC 2 certified. Multi-channel archiving including social media and SMS.

Stillio

Screenshot scheduling service, not an evidence tool. No integrity proofs, no cryptographic signing. Useful for visual monitoring and brand tracking. Including Stillio illustrates the gap between screenshot services and evidence services.

Archive-It

Internet Archive's subscription archiving service for institutions. WARC format with MD5 and SHA-1 checksums via WASAPI (data integrity, not cryptographic authenticity). Strong in academic, government, and cultural heritage sectors. Public access to archives but no cryptographic verification.

Methodology

All claims are based on publicly available documentation, product pages, and review platforms as of March 2026. Where a capability could not be confirmed from public sources, the cell reads "Not documented" rather than "No". We do not have accounts with every listed service -- claims reflect what each service publicly represents, not hands-on testing of every feature. If any information is outdated or incorrect, please open an issue.

When to Use Something Else

WRL is a good fit for on-demand, API-driven evidence capture with cryptographic proof. For other needs, these tools are better choices:

Court-ready evidence with expert testimony

Page Vault provides expert witness testimony and affidavits for court admissibility. Their captures have been admitted as evidence in 10+ documented federal court cases. WRL provides cryptographic proof but not legal services.

Open-source web archiving at scale

Webrecorder created the WACZ format WRL uses. Their Browsertrix platform handles large-scale crawling, and everything is open source and self-hostable on Kubernetes. Backed by the IIPC, British Library, and Harvard.

Bulk compliance monitoring (thousands of URLs on a schedule)

PageFreezer and MirrorWeb offer continuous, enterprise-scale archiving with compliance dashboards, AI-powered surveillance, and regulatory reporting.

Social media archiving

Hanzo and PageFreezer integrate with platform APIs to capture posts, comments, reactions, edits, and deletions across 6-8+ social platforms.

Collaboration tool capture (Slack, Teams, Google Workspace)

Hanzo captures Slack, Teams, Google Workspace, Jira, Confluence, and Asana. MirrorWeb adds email, SMS, WhatsApp, and Zoom. WRL captures web pages only.

Passive capture of your entire browsing session

Hunchly (now part of Maltego) captures every page you visit while investigating. It records what you see in your browser; WRL captures a URL on demand from a server. Different use cases, often complementary.

Free citation preservation for courts and academics

Perma.cc (Harvard Library) preserves links cited in legal and academic writing. Free for courts and institutions. It solves link rot; WRL solves evidence integrity.

eIDAS-qualified mobile evidence certification

TrueScreen offers eIDAS-qualified timestamps from a certified trust service provider, with mobile apps for certifying photos, videos, documents, and web pages on-site. Different approach (mobile-first certification vs. API infrastructure), strong in EU legal contexts.

If none of these fit, the Wayback Machine is free, has archived over one trillion web pages since 1996, and is the most widely recognized web archive. It does not provide cryptographic proof of integrity, but for many use cases, institutional credibility is sufficient.

See also the summary comparison on our landing page, which includes a "when to use something else" guide.