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Sparth alternatives & similar sites

Home | sparth.org — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
spaceable.org ↗	73 match 1 shared topics	Home \| SpaceAble	en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
spacebasics.org ↗	72 match 1 shared topics	Home \| Spacebasics	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spaceportsarabhai.org ↗	70 match 1 shared topics	Home \| Spaceport SARABHAI	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spaceforall.org ↗	69 match 1 shared topics	welcome \| Space for All	en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
aavso.org ↗	69 match 1 shared topics	Home \| aavso	United States~ en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
alientequila.com ↗	69 match 1 shared topics	HOME \| alien	en	space-and-astronomy Wix Wix Stores	robots llmsaihumans	emailphone	none
alienabailey.com ↗	68 match 1 shared topics	Home \| Aliena	en	space-and-astronomy Wix	robotsllmsaihumans	emailphone	none
cassini.eu ↗	68 match 1 shared topics	Home \| Cassini	European Union en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
alieneyesband.com ↗	67 match 1 shared topics	Home \| Alien Eyes	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
a1rocketry.com ↗	67 match 1 shared topics	Home \| A1 Rocketry	en	space-and-astronomy Wix Wix Stores	robotsllmsaihumans	emailphone	none
alienarleth.com ↗	67 match 1 shared topics	Home \| Alienarleth	en	space-and-astronomy Wix	robotsllmsaihumans	emailphone	none
spacetimewithstuartgary.com ↗	67 match 1 shared topics	Home \| Space, Astronomy & Science Podcast	en	space-and-astronomy Shopify	robotsllmsaihumans	emailphone	none
space-rf.org ↗	67 match 1 shared topics	Home \| The Space-RF Journal	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mahmoudallam.me ↗	66 match 1 shared topics	Home \| Mahmoud Allam	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
aliencreationhk.com ↗	66 match 1 shared topics	HOME \| Aliencreation	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
spacestationlarkhill.com ↗	66 match 1 shared topics	Home \| Larkhill Space Station	en	space-and-astronomy Weebly Square Online	robotsllmsaihumans	emailphone	none
aliendigits.com ↗	66 match 1 shared topics	Home \| Aliendigits.com	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
meansofinquiry.org ↗	66 match 1 shared topics	Home \| Means of Inquiry	en	space-and-astronomy	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.