What is the Greater London Authority?

The strategic government for London, covering transport, policing, planning, housing and the environment across all 32 boroughs plus the City of London.

Why does the pipeline fetch this rather than the browser?

Because the portal sends no CORS header, so a browser cannot read it directly. Its API is also non-standard in two ways worth knowing: the results sit under result.result rather than result.results, and the rows parameter is ignored entirely.

Yes. It comes from The London Datastore, refreshed through this site's pipeline. Nothing is invented or simulated, and if the source cannot be reached the saver reports that instead of drawing something plausible.

Does it cost anything or need an account?

No. Every screensaver here is free, runs in the browser and needs no sign-up. This one uses a public API that requires no key.

London, Published Screensaver

The London, Published screensaver streams the London Datastore in update order, showing what the Greater London Authority and its partners are publishing about the city. It runs in the browser with nothing to install; press ESC to exit.

How the London, Published screensaver works

The saver reads The London Datastore, refreshed through this site's pipeline.

No account and no key: the request goes straight from your browser, or from this site's own refreshed copy of the feed where the source does not permit browser access.

Values are drawn on a canvas that resizes with the window, so it works on a laptop or a wall display.

If the source is unreachable the saver says so on screen rather than showing stale numbers as though they were current.

A worked example

Each row names a dataset, the organisation behind it, when it changed and how many files it holds. The GLA has run this portal since 2010, among the first city governments anywhere to do so, and the catalogue reflects a city that measures itself constantly — air quality, cycle hire, planning, housing, crime and famously granular ward-level statistics.

Settings & tips

Accent and Background recolour the display without changing the data.
Add it to a Multi-view grid to watch it alongside other live savers.
Press ESC at any time to leave fullscreen.

Frequently asked questions

What is the Greater London Authority?: The strategic government for London, covering transport, policing, planning, housing and the environment across all 32 boroughs plus the City of London.
Why does the pipeline fetch this rather than the browser?: Because the portal sends no CORS header, so a browser cannot read it directly. Its API is also non-standard in two ways worth knowing: the results sit under result.result rather than result.results, and the rows parameter is ignored entirely.
Is this real data?: Yes. It comes from The London Datastore, refreshed through this site's pipeline. Nothing is invented or simulated, and if the source cannot be reached the saver reports that instead of drawing something plausible.
Does it cost anything or need an account?: No. Every screensaver here is free, runs in the browser and needs no sign-up. This one uses a public API that requires no key.

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