Down for Everyone or Just Me
downforeveryoneorjustme.com
Settles whether a site is actually down or only down for you
No sign-upClassic
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blummy.com
Packed a grid of web-service shortcuts into a single bookmarklet.
Use Raindrop.io instead
A bookmark manager that shows what you saved as a wall of covers. Full-text search and permanent copies of saved pages require the Pro subscription.
Open Raindrop.ioOne bookmarklet opened a small grid of actions — search this page, share it, save it, look up the selection — so you did not need a toolbar button per service. It was a neat answer to the bookmarklet sprawl of 2006, and browser extensions with proper toolbars made it unnecessary. The site is gone.
Questions
No. blummy is no longer running and blummy.com does not serve the tool any more. Raindrop.io is the closest current equivalent — it a bookmark manager that shows what you saved as a wall of covers.
No. blummy does the work inside your browser, so the file never leaves your device — you can load the page, disconnect from the network, and it still works. That makes it a reasonable choice for material containing personal data.
No longer available; existing blummies stopped working when the host went down.
Alternatives
Same category or same task, ordered by how closely they overlap.
downforeveryoneorjustme.com
Settles whether a site is actually down or only down for you
lookup.icann.org
The registry's own WHOIS record for a domain, with no upsell
pagespeed.web.dev
Scores a page on real-user Core Web Vitals and lab measurements
ssllabs.com
Grades a site's TLS configuration from A+ down to F and says why
securityheaders.com
Grades the HTTP security headers a site sends and names the missing ones
wave.webaim.org
Overlays accessibility errors directly on top of the page they affect