Website Compliance Monitoring Tools Compared

A compliance team does not need to know that a page changed. It needs to show, months later, what the page said on a given day — and that the copy it is showing has not been touched since.

The tools sold for it fall into four groups. This guide compares website compliance monitoring tools by group: what each records, what it proves, what it costs as of October 2026, and where it stops.

Quick answer

What you need	Group	Examples
A regulator-ready archive of every page, WORM storage, eDiscovery export	Regulated archiving platforms	Pagefreezer, Hanzo, MirrorWeb, Smarsh
An alert when a disclaimer, price or policy page changes	Change monitors	Visualping, ChangeTower, Fluxguard
A dated image of the same pages every day or week	Scheduled screenshot archives	Stillio
One capture you can hand to a lawyer, with a hash or signature	Evidence capture	Page Vault, Browsertrix, Site2PDF

What compliance monitoring has to prove

Three questions decide which tool fits, and the first is the easiest to answer.

Did the page change? A diff and an alert. Most tools below do some version of this.
What exactly did it say on that date? A stored copy of the whole page, dated, kept for the retention period your rules set.
Can anyone show the copy was not edited? A hash or a digital signature recorded at capture time, and a way for someone outside your company to check it.

Regulated industries spell these out. In US financial services, FINRA Rule 2210 requires firms to keep a copy of each retail communication — a website counts — with “the dates of first and (if applicable) last use”, for the period set by SEC Rule 17a-4. That rule asks for “not less than three years” and for electronic records either “in a non-rewriteable, non-erasable format” or with “a complete time-stamped audit trail.”

Outside finance the rules are looser, but the questions are the same: a price shown on a date, a terms page in force when a customer signed up, a health claim that was or was not on the page.

1. Regulated archiving platforms

These are built for questions 2 and 3 at the scale of a whole organisation. None of the four publishes a price — every one is quote or demo only (checked October 2026).

Pagefreezer says “every archived record is stored with a cryptographic hash value, timestamp, and digital signature,” exports to “PDF, CSV, and eDiscovery-compatible formats,” and targets FOIA, SEC and FINRA work. Its security page adds a timestamp from an external time-stamp authority.
Hanzo Chronicle stores captures as WARC in “immutable (WORM) storage” with “SHA-256 hash values,” exports “auditor-ready PDF packages,” and alerts teams “when disclaimers are changed or missing.”
MirrorWeb archives in “ISO-standard WARC format, stored in a WORM environment,” and names SEC 17a-4, FINRA 2210 and FCA COBS 4.
Smarsh Web Archive sets capture frequency “daily, weekly, or custom” per domain, keeps each capture “time-stamped and stored in its original form,” and lets you “compare any two dates.”

Where they stop: verification runs through the vendor. None of these pages publishes a public key or a stand-alone verifier, so a third party checks the record by trusting the vendor’s portal, report or affidavit. Expect a sales call and an annual contract.

2. Change monitors

Change monitors answer question 1 well: they check a page on a schedule, show a visual or text diff, and send an alert.

Visualping — as of October 2026, free for 5 pages and 150 checks a month; Personal plans from $14/mo; Business features need a subscription of at least $140/mo. “Change history is kept for three months by default,” one year on Business.
ChangeTower — as of October 2026, free for 3 pages checked daily with 30 days of history; Business is $78/mo for 200 pages, hourly, six months of history. Full-page archiving on every check and review workflows are Enterprise only, priced on request.
Fluxguard — as of October 2026, free for 3 sites; paid plans $110, $220 and $550 a month, with checks “as frequent as every 5 minutes” on the top plan.

Where they stop: the record is the diff and a limited history window. When you need the page as it looked on a date two years ago, the monitor may no longer hold it, and none of these three describes a hash or signature on the stored copy. The workflow for turning alerts into a kept record is in how to document website changes.

3. Scheduled screenshot archives

Stillio captures the same URLs daily, weekly or monthly and files the screenshots by date. As of October 2026 it starts at $29/mo for up to 5 pages and $79/mo for 25; every plan keeps screenshots for 36 months “provided there is an active subscription,” with a 14-day trial.

Where it stops: a screenshot is an image. It shows the page, but text inside it is not searchable without OCR, and the file carries nothing that proves it was not edited. The trade-off between image and document formats is in PDF vs screenshot for archiving.

4. Evidence capture: one page you can defend

This group answers question 3 for a specific page, on demand or on a schedule.

Page Vault is built for litigation, and every capture includes a timestamp and a SHA-256 hash. Its On Demand service, where Page Vault captures for you, starts at $199 for websites as of October 2026; the browser software is quote only.
Browsertrix from Webrecorder crawls sites into WACZ files and says “crawl outputs are digitally signed to ensure a provable chain of custody.” It is free for 7 days, then from $30/mo as of October 2026. WACZ opens in archive tools, not in a PDF reader.
Site2PDF captures a page or a whole site to PDF, PNG or JPG. Its legal capture option stamps the source URL and capture time on the PDF and issues a certificate with the file’s SHA-256 hash and an RSA-2048 signature. The public key is published at a fixed address, so anyone can check a file with two stock commands — sha256sum and openssl dgst -verify — without an account and without trusting Site2PDF. Single-page legal capture is included on every plan, Free included.

Site2PDF also schedules captures (scheduled runs are plain archives; legal capture is a separate, on-demand step). A watch re-captures a page or a fixed list of pages daily, weekly or monthly, compares the page text with the last run, and can email you only when it changed. Free accounts get 3 watches; on Starter and above each capture can also go straight to Google Drive. Plans are on the pricing grid.

Where it stops: the fastest schedule is daily, so it does not replace a monitor that checks every few minutes. Files are kept for a period that depends on the plan, not in WORM storage, so the long-term copy is yours to store. The capture time is recorded by Site2PDF rather than an external time-stamp authority. And there is no WARC output or eDiscovery load file. The practices that make a capture hold up are in website archiving for legal purposes.

Side by side

Tool	Change alerts	Stored copy	Hash / signature	Checkable without the vendor	Published price
Pagefreezer	Not stated	PDF, CSV, eDiscovery	Hash, signature, TSA timestamp	Not published	No
Hanzo	Yes	WARC, PDF package	SHA-256	Not published	No
MirrorWeb	Not stated	WARC	Not stated on page	Not published	No
Smarsh	Date compare	Screenshot, source	Not stated on page	Not published	No
Visualping	Yes	Diff, 3–12 months	Not stated	—	Yes
ChangeTower	Yes	Diff; full page on Enterprise	Not stated	—	Yes
Fluxguard	Yes	3–100 versions per page	Not stated	—	Yes
Stillio	Not stated	Screenshot, 36 months	Not stated	—	Yes
Page Vault	Not stated	PDF, video	SHA-256	Not published	On Demand only
Browsertrix	Not stated	WACZ	Signed	Yes (open spec)	Yes
Site2PDF	Text change	PDF, PNG, JPG	SHA-256 + RSA	Yes (public key)	See pricing

Which one should you use?

A regulated firm with a recordkeeping rule (SEC, FINRA, FCA) → a regulated archiving platform. The WORM storage, retention controls and eDiscovery export are the product; book the demos.
Marketing or legal wants to know when a page changes → a change monitor. Pick by page count and check frequency.
You need a dated picture of the same pages for years → a scheduled screenshot archive like Stillio.
A dispute, a complaint or an audit about specific pages → an evidence capture. A signed PDF someone can verify with openssl, or a signed WACZ if your counterpart works with web-archive tools.
A small team that needs all three questions answered on a budget → combine them: scheduled captures with change emails for the running record, and a signed capture of any page that becomes evidence.

For a wider list that includes free public archives and self-hosted tools, see the best web archiving tools of 2026.

FAQ

Is a screenshot enough for a compliance record?

For internal tracking, often yes. For a regulator or a court, a screenshot alone is weak: it carries no proof that it was not edited. A capture with a hash recorded at the time, ideally signed, is stronger.

How long do I need to keep website records?

It depends on your rules. For US broker-dealers, SEC Rule 17a-4(b) sets “not less than three years, the first two years in an easily accessible place.” Check the rules that apply to you, then check the tool’s retention against them.

Can a third party verify a capture without trusting the tool that made it?

Only if the tool publishes how. Browsertrix signs WACZ files under an open specification, and Site2PDF publishes the public key that checks its signatures. The enterprise platforms above do not publish a key or verifier on their product pages.

The takeaway

Decide which of the three questions you must answer — what changed, what it said, and that the copy is untouched — before you compare prices. Regulated firms need a platform built for their recordkeeping rule. Everyone else can pair scheduled captures with a signed capture of the pages that matter: Site2PDF does both, and its signatures check against a key anyone can download.

Website Compliance Monitoring Tools Compared (2026)