3 cited runs of 38,832 observed answer runs.
Machine Relations IndexCitation rateunder 0.01% Days cited3/180 Engine breadth3 ConfidenceCollecting
Source domain profile · Vendor-owned source
petfood.express in the Machine Relations Index
petfood.express appeared as a cited source in 3 of 38,832 monitored answer runs (under 0.01%) from May 10, 2026 to November 12, 2026.
Self-description
How the site describes itself
Pet Food Express offers same-day delivery from each of our neighborhood stores in California. Our product offering includes the very best selection of pet supplies and pet products along with a quality selection of natural and organic pet foods.
petfood.express describes itself this way in the description tag on its homepage, read on September 22, 2026. It is the source's own wording, quoted as found, not a finding of this Index.
Days with a citation, of the days observed in the current release window.
ChatGPT, Gemini, Google AI Overviews. This is an observed-engine list, not a per-engine rate.
MRI confidence is not an Answer-Source Fidelity grade.
Standing
Population ranks from the public release
- Public standing
- Collecting: no rank until it clears the evidence floor
- Full universe
- Not ranked in this release
- Source role population
- Not ranked in this release
- Evidence-qualified source role
- Not ranked in this release
Segment evidence
Observed category and question-shape rows
Segment rates use that category and question shape only. A row still collecting shows how many runs have been measured. A dash means no measured runs yet.
| Category | Question shape | State | Cited runs | Observed runs | Run dates | Rate | Rank population | Badge |
|---|---|---|---|---|---|---|---|---|
| Consumer Products | Top lists | Published | 1 | 306 | 13 | 0.33% | #487 of 587 | Badge |
| Consumer Products | Comparisons | Published | 2 | 298 | 13 | 0.67% | #202 of 381 | Badge |
Published segments: 2. Collecting segments: 0.
Citation history
Cited runs month by month
petfood.express was first cited in a monitored answer run on July 8, 2026, and most recently on July 30, 2026, with cited runs in 1 of the 5 months from then to this release. The release window opens 2026-05-10, so an earlier citation would not show here.
A month's rate is the share of all monitored answer runs that month that cited this domain. The latest month is still collecting.
| Month | Cited runs | Observed runs | Rate |
|---|---|---|---|
| July 2026 | 3 | 4,697 | 0.06% |
| August 2026 | 0 | 3,062 | 0.00% |
| September 2026 | 0 | 4,971 | 0.00% |
| October 2026 | 0 | 16,496 | 0.00% |
| November 2026 (to November 12, 2026) | 0 | 4,349 | 0.00% |
By answer engine
Which engines cite petfood.express
An engine's rate is its cited runs over every monitored run that engine answered in the window. Engines answer different numbers of runs, so compare rates, not counts.
| Engine | Cited runs | Engine’s observed runs | Rate |
|---|---|---|---|
| ChatGPT | 1 | 9,228 | 0.01% |
| Gemini | 1 | 7,417 | 0.01% |
| Google AI Overviews | 1 | 1,360 | 0.07% |
| Claude | 0 | 9,268 | 0.00% |
| Google AI Mode | 0 | 2,211 | 0.00% |
| Perplexity | 0 | 9,348 | 0.00% |
Since August 31, 2026, petfood.express is cited in none of 1,005 observed Google AI Mode runs. Google AI Mode's collection changed between August 10, 2026 and August 30, 2026, so its row above pools both sides of the change.
Since October 7, 2026, petfood.express is cited in none of 4,579 observed Perplexity runs. Perplexity's collection changed between October 6, 2026 and October 7, 2026, so its row above pools both sides of the change.
Peers
Nearest sources on Consumer Products / Comparisons
petfood.express holds its best segment rank, #202 of 381, in Consumer Products / Comparisons, at 0.67%. 59 sources on that leaderboard share that rate, and their order inside the tie is not a measured difference. Listed here: the nearest sources cited more and less often than it, and the sources beside it that share this best segment. Full leaderboard.
| Rank | Source | Source role | Segment citation rate | Against this source |
|---|---|---|---|---|
| #149 of 381 | petflow.com | Other observed source | 1.01% | +0.34 pts |
| #150 of 381 | pupsgourmetkitchen.com | Other observed source | 1.01% | +0.34 pts |
| #151 of 381 | realjourneytravels.com | Other observed source | 1.01% | +0.34 pts |
| #200 of 381 | ourcomparisons.com | Other observed source | 0.67% | Same rate |
| #203 of 381 | platinumperformance.com | Other observed source | 0.67% | Same rate |
| #337 of 381 | Review Finder | Editorial publication | 0.34% | -0.33 pts |
| #338 of 381 | Rolling Stone | Editorial publication | 0.34% | -0.33 pts |
| #339 of 381 | safeway.com | Other observed source | 0.34% | -0.33 pts |
Cite this
Citation
Machine Relations Index (MRI), Machine Relations Research — machinerelations.ai. petfood.express, under 0.01% citation rate, 3 of 38,832 monitored answer runs, 2026-05-10 to 2026-11-12. Release mri_score_v2.1+2026-11-12+a13391e29889. CC BY 4.0. https://machinerelations.ai/index/domains/petfood.expressAPA
Parrott, J. (2026). petfood.express in the Machine Relations Index (Version mri_score_v2.1+2026-11-12+a13391e29889) [Data set]. Machine Relations Research. https://machinerelations.ai/index/domains/petfood.express https://doi.org/10.5281/zenodo.23652423BibTeX
@misc{parrott2026mripetfoodexpress,
author = {Parrott, Jaxon},
title = {petfood.express in the Machine Relations Index},
year = {2026},
version = {mri\_score\_v2.1+2026-11-12+a13391e29889},
publisher = {Machine Relations Research},
url = {https://machinerelations.ai/index/domains/petfood.express},
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 profile measures
Published November 12, 2026. The observation window runs May 10, 2026 to November 12, 2026. Methodology v2.1.
Use the data
curl -fsSL "https://machinerelations.ai/data/machine-relations-index.json" -o machine-relations-index.json
curl -fsSL "https://machinerelations.ai/data/mri-release-manifest.json" -o mri-release-manifest.json
curl -fsSL "https://huggingface.co/datasets/machine-relations/machine-relations-index/resolve/main/domains.csv" -o domains.csv
curl -fsSL -L "https://doi.org/10.5281/zenodo.23652423" -o mri-zenodo.htmlimport json
from urllib.request import urlopen
index_url = "https://machinerelations.ai/data/machine-relations-index.json"
with urlopen(index_url) as response:
index = json.load(response)
print(index["generated"], index["total_domains"])The public dataset reports citation rates, rankings, and evidence counts. It excludes internal query identifiers, raw cited URLs, and answer-engine provider payloads. MRI measures observed root-domain citations in monitored prompts, not all AI answers, recommendation quality, web traffic or commercial performance. A citation is not source support.
Embed
Embed this profile’s badge
Put this badge on your site to show how often AI answers cite it. It links to this profile and updates with every new release; if a later release no longer includes this domain, the badge stops loading. To keep today’s numbers fixed, save the SVG and host it yourself.
HTML
<a href="https://machinerelations.ai/index/domains/petfood.express"><img src="https://machinerelations.ai/index/domains/petfood.express/badge.svg" alt="petfood.express in the Machine Relations Index: cited in under 0.01% of monitored AI answers (3 of 38,832 runs), Nov 12, 2026 release. Machine Relations Research." width="385" height="64"></a>Markdown
[](https://machinerelations.ai/index/domains/petfood.express)