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06 Numbers and Powers

Monitor Websites and Keep a Journalist’s Audit Trail

Card No. 06·60583 · Updated · Standard formula, shown below

Journalists can monitor websites for changes, preserve what was visible at a particular time, and document how evidence was collected. A consistent process helps distinguish a genuine change from a capture error and gives editors a clear record to review; it does not, by itself, prove who made a change or make a record legally admissible.

What You’ll Need

  • A computer or phone, a web browser, and a reliable internet connection.
  • The target page URLs and a clear reason to monitor each one.
  • A spreadsheet or case log with fields for URL, date and time, time zone, observer, capture method, and notes.
  • A way to save evidence: screenshots, print-to-PDF files, downloaded source where appropriate, or a reputable web-archiving service.
  • Secure, backed-up storage with access limited to the reporting team when material is sensitive.
  • Optional: a website-change alert or monitoring service. Check its retention, privacy, and capture features before relying on it.

Step-by-Step

  1. Define the monitoring question. Write down what you need to establish: for example, whether a public page changes its wording, whether a document disappears, or when a policy is updated. Set a reasonable monitoring period and check frequency. Avoid collecting unrelated personal information, and do not attempt to get around logins, paywalls, access controls, or robots restrictions.
  2. Record the page’s starting state. Open the exact URL in a browser and note the date and time, including the time zone. Record the page title, the visible text relevant to your reporting, and how you reached it. Note whether the content requires a location, account, or other context to display. Save a screenshot and, if useful, print the page to PDF. Include the address bar when practical, but do not let it obscure the content.
  3. Capture context, not just a crop. A screenshot should show enough surrounding material to identify the page and relevant passage. Save the full page where feasible, or take overlapping screenshots for long pages. Record the URL separately because screenshots can omit it. If the page embeds video, a document, or dynamic content, note which element you viewed and capture it separately when possible.
  4. Choose an appropriate archive method. Submit public pages to a web-archiving service when its terms and privacy implications are suitable. Save the archive URL and submission time, then verify that the archived copy loads and contains the relevant material. An archive may fail to capture scripts, images, or content behind a session. Keep your own original captures; an archive link alone may not remain available.
  5. Set up change checks. For a small number of pages, revisit the URLs on a documented schedule and compare them with your baseline. For larger sets, use a change-monitoring service that checks only the relevant page area if possible. Configure alerts for meaningful changes rather than every layout tweak. Record the tool, settings, check interval, and any limits it reports.
  6. Verify every alert manually. Open the live page in a normal browser, confirm the URL, and determine whether the alert reflects changed content or a harmless difference such as an updated timestamp, rotating banner, or personalized module. Compare the relevant text with your earlier capture. Do not report an automated alert as a verified change until you have checked it.
  7. Make a dated evidence package. For each important observation, preserve the original screenshot or PDF, the URL, the capture time and time zone, and a short note describing what changed. Keep unedited originals separate from annotated or cropped copies. Use filenames that sort consistently, such as 2026-11-07T1430Z_example-page_before.png; use UTC or clearly label another time zone.
  8. Maintain an audit log. Add one row for each check or capture, including unsuccessful attempts. Record who performed it, the method and tool, the result, and any relevant circumstances such as an error page or redirect. If you correct a note, preserve the earlier entry or clearly show what changed and when rather than silently overwriting it.
  9. Protect and review the record. Store files in a location with appropriate permissions and backups. If the evidence may be disputed or especially consequential, calculate a file hash using a standard tool and log the hash, filename, and time; a hash can show whether a file later changed, but cannot prove the capture was genuine. Have another team member review key captures and notes before publication.

Common Mistakes

  • Saving only a screenshot. It may lack the full URL, time zone, page context, or text needed to interpret it. Pair it with a log entry and, where appropriate, a PDF or archive copy.
  • Treating an alert as proof. Automated systems can flag layout changes, fail to load a page, or miss content rendered by scripts. Verify the page yourself and preserve the verification.
  • Forgetting time zones or clock accuracy. A timestamp without a zone is ambiguous. Use a consistent time standard, and make sure the device clock is set correctly.
  • Editing the only copy. Cropping, highlighting, or adding notes can make a capture harder to assess. Retain the original and label working copies.
  • Overlooking page variation. A site may show different content by region, device, language, or session. Note the conditions of access and avoid claiming that one view represents every visitor’s experience.
  • Collecting too much. Broad monitoring may capture personal or confidential information unrelated to the story. Limit the scope, restrict access, and follow newsroom retention and security practices.

Tips

  • Use one log template across a reporting team, with a unique reference number for each monitored page.
  • Capture important changes promptly; a page may change again before the next scheduled check.
  • Keep notes factual: describe what is visible and separate observation from interpretation.
  • Record redirects, HTTP errors, and unavailable pages rather than treating them as proof that content was deliberately removed.
  • For a sensitive story, agree in advance who can access the evidence, how it will be backed up, and when it should be reviewed or deleted.

Troubleshooting

The alert says a page changed, but you see no difference: Check the exact URL, compare the captured text, and look for rotating content, timestamps, or personalization. Adjust the monitored area or alert threshold, then document the adjustment.

The page is unavailable: Record the time, URL, browser message, and any redirect. Retry later and, if appropriate, check a reputable archive. Do not assume the site intentionally removed the content; outages, access rules, and network problems can produce the same result.

The archive is incomplete: Save a direct browser capture and note which elements failed to load. Try another permitted capture method, but preserve the first attempt and its limitation rather than replacing it without explanation.

Your evidence files are inconsistent or missing: Stop editing or reorganizing originals, check backups and access history, and make a dated note of what is missing and what recovery steps you took. Tell the editor or evidence custodian if the gap affects a key claim.

A monitor cannot access a page: Confirm that the URL is public and correctly entered. Do not provide credentials to an unfamiliar service or bypass access controls. Use an authorized browser check and record the tool’s limitation.

Frequently Asked Questions

Is a screenshot enough to prove a website said something?
A screenshot documents what appeared in a particular capture, but alone may not establish when, where, or under what conditions it was captured. Keep the URL, timestamp, method, and supporting records too.

Should I use a web archive or save my own copy?
Often both, when appropriate. An archive can provide an independently hosted reference, while a local capture gives you a copy to inspect. Neither method guarantees a complete record.

How often should I check a website?
Choose a frequency based on how quickly the page might change and the story’s needs. State the schedule in the log; checks cannot show what happened between observations.

Can a change-monitoring service be the audit trail?
Use it as one part of the record, not the whole record. Save important alerts and captures, document settings and checks, and independently verify consequential changes.

Do file hashes prove that a capture is authentic?
No. A hash can help show that a particular file has not changed since the hash was recorded. It does not establish that the capture accurately represents the live website or when it was made.

Can I monitor pages behind a login?
Only use access you are authorized to use and follow newsroom policy and the site’s applicable terms. Avoid sharing credentials with monitoring services, and do not bypass technical restrictions.

Related

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.

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