Evidence floor met in this release.
Physical Consumer ProductsStatePublished Observed runs94 Run dates7 Observed domains138
Published segment leaderboard
Physical Consumer Products: Problem-first research in the Machine Relations Index
This leaderboard uses only the Physical Consumer Products / Problem-first research segment denominator: 94 observed answer runs across 7 dates.
Segment-specific denominator. Not the overall domain denominator.
Release floor: 7 dates.
Only released domains with evidence in this exact segment.
Leaderboard
Segment-specific cited sources
Rates, runs and rank are the producer's segment-specific values. Overall domain rates and engine breadth are not used as category rates.
| Rank | Source | Source role | Citation rate | Cited runs | Observed runs | Run dates |
|---|---|---|---|---|---|---|
| #1 of 138 | YouTube (only pages not mapped to a channel or publication)youtube.com | Search or media platform | 19.15% | 18 | 94 | 7 |
| #2 of 138 | clivecoffee.comclivecoffee.com | Other observed source | 12.77% | 12 | 94 | 7 |
| #3 of 138 | kitchenaid.comkitchenaid.com | Other observed source | 10.64% | 10 | 94 | 7 |
| #4 of 138 | merakitech.commerakitech.com | Other observed source | 10.64% | 10 | 94 | 7 |
| #5 of 138 | myhomebarista.commyhomebarista.com | Other observed source | 8.51% | 8 | 94 | 7 |
| #6 of 138 | WebMDwebmd.com | Editorial publication | 8.51% | 8 | 94 | 7 |
| #7 of 138 | Tom's Guidetomsguide.com | Editorial publication | 7.45% | 7 | 94 | 7 |
| #8 of 138 | brewedbarista.combrewedbarista.com | Other observed source | 6.38% | 6 | 94 | 7 |
| #9 of 138 | bryte.combryte.com | Other observed source | 6.38% | 6 | 94 | 7 |
| #10 of 138 | clevelandclinic.orgclevelandclinic.org | Academic and government source | 6.38% | 6 | 94 | 7 |
| #11 of 138 | coffeegearhub.comcoffeegearhub.com | Other observed source | 6.38% | 6 | 94 | 7 |
| #12 of 138 | espresso.compareespresso.compare | Other observed source | 6.38% | 6 | 94 | 7 |
| #13 of 138 | livingetc.comlivingetc.com | Other observed source | 6.38% | 6 | 94 | 7 |
| #14 of 138 | Power Tools Todaypowertoolstoday.com | Other observed source | 6.38% | 6 | 94 | 7 |
| #15 of 138 | saatva.comsaatva.com | Other observed source | 6.38% | 6 | 94 | 7 |
| #16 of 138 | sleepfoundation.orgsleepfoundation.org | Academic and government source | 6.38% | 6 | 94 | 7 |
| #17 of 138 | sleepworld.comsleepworld.com | Other observed source | 6.38% | 6 | 94 | 7 |
| #18 of 138 | The Honest Reviewersthehonestreviewers.com | Editorial publication | 6.38% | 6 | 94 | 7 |
| #19 of 138 | cordless-drill-set-guru.comcordless-drill-set-guru.com | Other observed source | 5.32% | 5 | 94 | 7 |
| #20 of 138 | nationalmattress.canationalmattress.ca | Other observed source | 5.32% | 5 | 94 | 7 |
| #21 of 138 | portafilterco.comportafilterco.com | Other observed source | 5.32% | 5 | 94 | 7 |
| #22 of 138 | beanbox.combeanbox.com | Other observed source | 4.26% | 4 | 94 | 7 |
| #23 of 138 | makeruk.co.ukmakeruk.co.uk | Other observed source | 4.26% | 4 | 94 | 7 |
| #24 of 138 | owngevity.comowngevity.com | Other observed source | 4.26% | 4 | 94 | 7 |
| #25 of 138 | T3t3.com | Editorial publication | 4.26% | 4 | 94 | 7 |
| #26 of 138 | tasteofespresso.comtasteofespresso.com | Other observed source | 4.26% | 4 | 94 | 7 |
| #27 of 138 | The Espresso Reporttheespressoreport.com | Other observed source | 4.26% | 4 | 94 | 7 |
| #28 of 138 | toolsadvisers.comtoolsadvisers.com | Other observed source | 4.26% | 4 | 94 | 7 |
| #29 of 138 | toolsradar.comtoolsradar.com | Other observed source | 4.26% | 4 | 94 | 7 |
| #30 of 138 | tooltrip.comtooltrip.com | Other observed source | 4.26% | 4 | 94 | 7 |
| #31 of 138 | breville.combreville.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #32 of 138 | completehomebarista.comcompletehomebarista.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #33 of 138 | cutterspoint.comcutterspoint.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #34 of 138 | Espresso Adviceespressoadvice.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #35 of 138 | EspressoSpecsHQespressospecshq.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #36 of 138 | foundationphysio.comfoundationphysio.com | Academic and government source | 3.19% | 3 | 94 | 7 |
| #37 of 138 | gebpower.comgebpower.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #38 of 138 | homeespressohq.comhomeespressohq.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #39 of 138 | ourhometools.comourhometools.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #40 of 138 | pargotool.compargotool.com | Vendor-owned source | 3.19% | 3 | 94 | 7 |
| #41 of 138 | powertoolsvault.compowertoolsvault.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #42 of 138 | Redditreddit.com | Community and social platform | 3.19% | 3 | 94 | 7 |
| #43 of 138 | thecoffeelocator.comthecoffeelocator.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #44 of 138 | toolacademy.comtoolacademy.com | Other observed source | 3.19% | 3 | 94 | 7 |
| #45 of 138 | arco.coffeearco.coffee | Other observed source | 2.13% | 2 | 94 | 7 |
| #46 of 138 | baristafix.combaristafix.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #47 of 138 | burrandbasket.comburrandbasket.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #48 of 138 | ceylonlanka.infoceylonlanka.info | Editorial publication | 2.13% | 2 | 94 | 7 |
| #49 of 138 | coffeenerds.co.ukcoffeenerds.co.uk | Other observed source | 2.13% | 2 | 94 | 7 |
| #50 of 138 | danielnorris.comdanielnorris.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #51 of 138 | Espresso Atlasespressoatlas.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #52 of 138 | espressoshotlog.comespressoshotlog.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #53 of 138 | espressosnob.comespressosnob.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #54 of 138 | Expert Reviewsexpertreviews.co.uk | Editorial publication | 2.13% | 2 | 94 | 7 |
| #55 of 138 | expireguide.comexpireguide.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #56 of 138 | grindset.cafegrindset.cafe | Other observed source | 2.13% | 2 | 94 | 7 |
| #57 of 138 | kafuwell.comkafuwell.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #58 of 138 | mechtron.techmechtron.tech | Other observed source | 2.13% | 2 | 94 | 7 |
| #59 of 138 | onlinecoffeeguide.comonlinecoffeeguide.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #60 of 138 | primebrewingcompany.comprimebrewingcompany.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #61 of 138 | protguide.comprotguide.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #62 of 138 | roastycoffee.comroastycoffee.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #63 of 138 | rpwoodworks.comrpwoodworks.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #64 of 138 | rynextools.comrynextools.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #65 of 138 | sageappliances.comsageappliances.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #66 of 138 | spineart.orgspineart.org | Other observed source | 2.13% | 2 | 94 | 7 |
| #67 of 138 | terrahills.comterrahills.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #68 of 138 | the-espresso.comthe-espresso.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #69 of 138 | toolexpertreviews.comtoolexpertreviews.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #70 of 138 | toolingideas.comtoolingideas.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #71 of 138 | toolsinaction.comtoolsinaction.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #72 of 138 | zimmatools.comzimmatools.com | Other observed source | 2.13% | 2 | 94 | 7 |
| #73 of 138 | 101drill.com101drill.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #74 of 138 | alibaba.comalibaba.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #75 of 138 | analysisoffear.comanalysisoffear.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #76 of 138 | bannermattressonline.combannermattressonline.com | Market and company database | 1.06% | 1 | 94 | 7 |
| #77 of 138 | bedworldonline.com.aubedworldonline.com.au | Other observed source | 1.06% | 1 | 94 | 7 |
| #78 of 138 | bestgearreviews.orgbestgearreviews.org | Other observed source | 1.06% | 1 | 94 | 7 |
| #79 of 138 | bettercoffeelab.combettercoffeelab.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #80 of 138 | bilgebrew.combilgebrew.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #81 of 138 | blackmarketcoffee.com.aublackmarketcoffee.com.au | Other observed source | 1.06% | 1 | 94 | 7 |
| #82 of 138 | bobistheoilguy.combobistheoilguy.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #83 of 138 | brewingcoffees.combrewingcoffees.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #84 of 138 | brewstationlab.combrewstationlab.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #85 of 138 | broadmag.combroadmag.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #86 of 138 | coffeeblog.co.ukcoffeeblog.co.uk | Other observed source | 1.06% | 1 | 94 | 7 |
| #87 of 138 | coffeebrew.coachcoffeebrew.coach | Other observed source | 1.06% | 1 | 94 | 7 |
| #88 of 138 | coffeeforums.co.ukcoffeeforums.co.uk | Community and social platform | 1.06% | 1 | 94 | 7 |
| #89 of 138 | Consumer Reportsconsumerreports.org | Editorial publication | 1.06% | 1 | 94 | 7 |
| #90 of 138 | cordlessdrillsnow.comcordlessdrillsnow.com | Editorial publication | 1.06% | 1 | 94 | 7 |
| #91 of 138 | dailypullcoffee.comdailypullcoffee.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #92 of 138 | dialedgrind.comdialedgrind.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #93 of 138 | distefano.com.audistefano.com.au | Other observed source | 1.06% | 1 | 94 | 7 |
| #94 of 138 | electroitem.comelectroitem.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #95 of 138 | fieldex.comfieldex.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #96 of 138 | findmattress.comfindmattress.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #97 of 138 | fixyardly.comfixyardly.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #98 of 138 | foxcoffee.com.aufoxcoffee.com.au | Other observed source | 1.06% | 1 | 94 | 7 |
| #99 of 138 | gardenandhomereviews.comgardenandhomereviews.com | Other observed source | 1.06% | 1 | 94 | 7 |
| #100 of 138 | home-barista.comhome-barista.com | Other observed source | 1.06% | 1 | 94 | 7 |
Showing the first 100 rows from 138 observed domains.
Cite this
Citation
Machine Relations Index (MRI), Machine Relations Research — machinerelations.ai. Physical Consumer Products / Problem-first research: 138 observed source domains in the leaderboard, measured on 94 observed runs across 7 distinct run dates, 2026-05-10 to 2026-11-05. Release mri_score_v2.1+2026-11-05+66c560c07279. https://machinerelations.ai/index/categories/physical-consumer/problem_first. CC BY 4.0.APA
Parrott, J. (2026). Physical Consumer Products / Problem-first research in the Machine Relations Index (Version mri_score_v2.1+2026-11-05+66c560c07279) [Data set]. Machine Relations Research. https://machinerelations.ai/index/categories/physical-consumer/problem_first https://doi.org/10.5281/zenodo.23652423BibTeX
@misc{parrott2026mriphysicalconsumerproblemfirst,
author = {Parrott, Jaxon},
title = {Physical Consumer Products / Problem-first research in the Machine Relations Index},
year = {2026},
version = {mri\_score\_v2.1+2026-11-05+66c560c07279},
publisher = {Machine Relations Research},
url = {https://machinerelations.ai/index/categories/physical-consumer/problem_first},
doi = {10.5281/zenodo.23652423},
license = {CC-BY-4.0},
note = {Machine Relations Index (MRI), Machine Relations Research — machinerelations.ai}
}Release and boundary
What this segment measures
Published November 5, 2026. The observation window runs May 10, 2026 to November 5, 2026. Methodology v2.1.
MRI measures observed root-domain citations inside monitored prompts. Segment rates are conditional on this sample and do not claim recommendation quality, traffic, placement availability, or commercial performance.