Data Export
Definition
A data export is a copy of what you hold in a service, produced in an open format you can store and re-import elsewhere. For a hosting account it covers three different things, and they rarely come out the same way. The content — HTML, images, PDFs, whatever you uploaded — usually arrives as a ZIP archive with the original folder structure intact. Configuration, meaning redirects, custom headers, domain settings and access rules, may come as a config file, may be readable through an API, or may exist only in a settings screen you have to copy by hand. Statistics are the awkward one: view and download counts are often visible but not downloadable, or downloadable only as a rolling window rather than the whole history. A useful export is complete, dated, and in a format still readable in five years, which in practice means CSV, JSON or plain files rather than a proprietary bundle.
Why It Matters
An export you have never run is a guess. The failure people hit is discovering, at migration time, that the archive holds the pages but not the redirects, or 90 days of figures rather than the three years they were counting on. Running one early, unpacking it and looking inside turns vendor lock-in from an abstract worry into a short list of things to record separately. It is also the cheapest insurance against an account problem — a suspension, a lapsed card, a deletion made by the wrong person.
How It Works
Exports come in roughly three shapes. A one-click archive builds a ZIP in the background and emails a download link, normally valid for a day or two. A REST API lets you enumerate files and settings programmatically, which is the right route for anything you want on a schedule, since a script can run monthly and drop the result into storage you control. Failing both, a recursive download tool can mirror the public site, which captures the pages but nothing private and none of the configuration. Whichever route you take, check the result against the live account: count the files, open a few, confirm the figures cover the period you expected. Then store it somewhere that is not the same provider, because an export sitting inside the account it came from protects you against nothing.
Real-World Example
A membership organisation keeps twelve years of newsletters at archive-nl.99helpers.site, about 900 PDFs. Once a quarter they pull the whole set down as a single ZIP and keep the last four copies on a machine in the office. When they eventually rebuild on a different structure, that archive is what they build from, and the folder names become the new URL paths. The one thing they had to start doing separately was saving a monthly CSV of download counts, because the reporting window only reached back a year.
Common Mistakes
- ✕Trusting an export you have never opened — the archive that turns out to be empty, truncated or missing the configuration is discovered at the worst possible moment
- ✕Keeping the export inside the account it came from — the scenarios where you need it are mostly scenarios where you have lost access to that account
- ✕Exporting content but not statistics — files can be re-uploaded from your own machine, while a lost view and download history cannot be reconstructed from anywhere
Related Terms
Vendor Lock-In
The cost and difficulty of moving away from a supplier once you are on it. With web hosting it is rarely the files that trap you — it is everything wrapped around them.
Website Backup
A copy of everything a site is made of, kept somewhere the live site cannot take down with it. For a static site that means the HTML, CSS, JavaScript, images and any data files, held outside the account that serves them.
ZIP Archive
A single .zip file that holds many files and folders, each compressed separately. On a host it is used two ways: served as one download, or unpacked on upload so its contents are served individually.
REST API
A way of exposing a service over HTTP where each thing you can act on has its own URL, and the HTTP method says what you are doing to it. GET reads, POST creates, PUT replaces, DELETE removes.
Web Analytics
Measuring who visits a site and what they look at. The two methods — a script running in the visitor's browser, or counting each request as it is served — produce different numbers, and neither of them is wrong.
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