Designing a sustainability page for a digital property

A sustainability page for a digital property is not a marketing brochure. It is a place to explain environmental and social impacts that arise from operating and running websites and apps, to state commitments and to show the data and governance behind those statements. Readers should be able to answer three questions after reading the page: what you measure, how you measure it, and who is accountable.

Why specialised ESG reporting for digital assets matters

Digital products create environmental impacts through hosting, content delivery, device energy use and third party services. They also create social and governance impacts related to accessibility, data privacy and vendor selection. Stakeholders including customers, investors and auditors increasingly expect clear, verifiable disclosures that align digital operations with corporate ESG programs and standards.

Core sections to include

A sustainability page should be structured for transparency and traceability. The following sections are practical and widely useful for digital properties.

• Overview statement that summarises your approach to sustainability for the site or app and links to the organisation level ESG report when one exists.
• Key metrics at a glance presented in a compact card or table so visitors see primary indicators quickly.
• Methodology and boundaries explaining what systems are included, whether metrics are measured site wide or by product, and how the data was collected.
• Targets and progress that show past data, current performance and concrete targets with timelines.
• Governance and ownership naming the teams or roles responsible for measurement, remediation and sign off.
• Verification and evidence linking to audits, third party assessments, certificates or downloadable datasets.
• Vendor and supply chain disclosures describing hosting, CDN and major vendor choices and how vendor sustainability is assessed.
• Accessibility and privacy commitments explaining how the product minimises social harm and complies with accessibility and privacy expectations.
• Updates and change log showing when data or methodology changed and why.

Which metrics to publish

Choose metrics that are measurable, meaningful and auditable. For digital properties the following are commonly useful and can be adapted to your organisation.

• Energy or emissions per visit expressed as emissions or energy per visit, per page view or per transaction with the underlying footprint method linked.
• Absolute energy or emissions for a reporting period where meaningful and where scope boundaries are clear.
• Server and hosting emissions including scope 2 emissions from purchased electricity used in hosting, plus any scope 1 emissions if you operate physical infrastructure.
• Scope 3 vendor emissions where available for major third parties such as cloud providers and CDNs, or a qualitative statement if exact data is not available.
• Data transfer and average page size to help readers understand drivers of network energy demand.
• Third party script inventory listing major marketing and analytics tags and the governance rules used to permit them.
• Accessibility metrics such as automated coverage and major barriers found in audits, together with remediation status.
• Privacy and data minimisation practices including an explanation of tracking controls and consent practices that reduce unnecessary data collection.

How to present methodology and assumptions

Methodology must be explicit. State the calculation steps, data sources, the attribution logic and the version of any tool or emission factor you used. Explain how you allocate shared infrastructure emissions across products if relevant. If you use third party tools show their version and link to their methodology so independent reviewers can follow the chain of calculation.

When full primary data is not available, publish the proxy approach and quantify uncertainty. For example explain that vendor reported intensity factors were used and estimate the likely direction of bias rather than presenting uncertain figures as precise facts.

Aligning digital reporting with corporate ESG frameworks

Mention which corporate or regulatory frameworks the page aligns with. Common references include greenhouse gas accounting guidance and disclosure frameworks. Use these references to explain scope boundaries, assurance expectations and where readers can find the organisation level disclosures that cover financed emissions or full scope 3 reporting.

Governance, ownership and sign off

Publishing names or roles for accountability builds credibility. State which team maintains the metrics, who approves public figures, and the cadence for review. If an external verifier or internal audit function reviews the work say so and explain the scope of assurance provided. This is particularly important where figures feed into investor facing reports or regulatory filings.

Verification and supporting evidence

Whenever possible provide direct evidence. Useful items to link or make available for download include raw data extracts, calculation spreadsheets, vendor sustainability statements, certificates and third party assurance letters. If you use a calculator or model, publish the input dataset or a reproducible example so third parties can validate results.

Frequency of publication and versioning

State how often you will update the page and what triggers an out of cycle update. Maintain a clear change log that documents methodology changes separately from actual performance changes. This allows readers to distinguish progress from restatements.

Accessibility and transparency in presentation

Design the page so information is accessible to technical and non technical audiences. Use a short summary with links to detailed methodology and data. Ensure the page itself meets accessibility standards and that downloadable data is provided in accessible formats. Avoid graphics that are the only way to show important figures. Provide alt text and data tables alongside charts.

How to handle vendor and CDN confidentiality

There will be situations where vendors will not share detailed data. In those cases provide the highest level disclosure you can and explain the limitation. Describe your vendor due diligence process and the criteria used to select or prioritise remediation. Where vendor emissions are material but unverifiable, consider publishing scenario ranges and an explanation of why precise figures are not available.

Practical copy and structure example

Use clear section headings and short paragraphs. The following structure works well on a page and maps to stakeholder needs.

1. Snapshot A one paragraph summary and three key metrics or badges.
2. What we measure A description of included systems and an explicit reporting boundary.
3. Latest data Table with metric names, values, units and reporting period.
4. Methodology Links to detailed notes and downloadable calculations.
5. Targets KPI targets, target dates and progress chart.
6. Governance Roles, sign off and verification statements.
7. Vendor disclosure Hosting and major supplier sustainability notes.
8. FAQs Short answers to common questions and a contact point for data requests.

Common pitfalls to avoid

Do not use vague or unverified claims without evidence. Avoid presenting a single aggregated number without explaining scope and methodology. Do not bury methodology behind legal pages or hard to find links. Avoid mixing marketing language with technical data in a way that prevents independent verification.

Deciding what to publish first

If resource constraints exist, publish a minimal but rigorous set of items and a roadmap for expansion. A recommended minimal set includes a clear reporting boundary, one or two verified metrics such as energy or emissions allocation for hosting, the methodology summary and named owners. Add per visit or per transaction metrics and vendor breakdowns once primary data collection matures.

How to respond to stakeholder questions

Prepare a short FAQ that answers likely queries about measurement methods, data gaps and future plans. Provide a contact channel for data requests and offer to share underlying datasets under reasonable confidentiality terms when permitted.

Visualisation and data export

Offer charts for quick understanding and downloadable CSV or JSON for analysts. Include machine readable metadata that identifies units, date ranges and methodology version. This improves trust and makes it easier for external auditors or analysts to reuse your data.

Next steps for product and communications teams

Coordinate measurement work with procurement and the corporate sustainability team. Treat the sustainability page as a living document and set a review cadence aligned with internal reporting cycles or regulatory deadlines. Use the page to reduce friction for stakeholders who need to verify claims or to integrate digital impacts into broader ESG disclosures.

Transparency, explicit methodology and verifiable evidence create credibility. A well structured sustainability page for a digital property clarifies what you measure, how you account for uncertainty and who is accountable. That clarity reduces risk and supports better decision making across product, procurement and communications teams.