Citably Index · No. 01 · Open data
July 23, 2026 · ET
The AI Citation Index
Who AI engines cite forproject management software
Ask an AI answer engine for the best project management software and it does not read every vendor’s website. It leans on a small set of trusted domains. We tallied which ones. Across 20 buyer-intent queries, the retrieval surface returned 148 source links pointing at 81 domains. One independent review site — not a single vendor — took the largest share.
The top-cited domain, thedigitalprojectmanager.com, accounted for 18 of 148 source links, or 12.2 percent of the entire surface. That is roughly three times the most-cited software vendor. In this category, the door into the AI answer runs through reviewers and directories, not product pages.
- Queries analyzed
- 20
- Source links tallied
- 148
- Unique domains
- 81
- Top domain share
- 12.2%
- Retrieval surfaces
- 1 (this run)
- Collected
- Jul 23, 2026
01 · The ranking
Most-cited domains.
Raw counts.
Every domain that surfaced three or more times across the 20 queries, ranked by how many source links pointed to it. Color marks the source type: reviewer, directory, or vendor.
| # | Domain | Citations | Share | Source type |
|---|---|---|---|---|
| 01 | thedigitalprojectmanager.com | 18 | 12.2% | Independent review |
| 02 | project-management.com | 7 | 4.7% | Independent review |
| 03 | capterra.com | 7 | 4.7% | Software directory |
| 04 | zapier.com | 6 | 4.1% | Independent review |
| 05 | paymoapp.com | 6 | 4.1% | Vendor-owned |
| 06 | monday.com | 6 | 4.1% | Vendor-owned |
| 07 | wrike.com | 3 | 2.0% | Vendor-owned |
| 08 | smartsuite.com | 3 | 2.0% | Vendor-owned |
| 09 | goodday.work | 3 | 2.0% | Vendor-owned |
| 10 | g2.com | 3 | 2.0% | Software directory |
| 11 | saashub.com | 3 | 2.0% | Software directory |
| 12 | cloudwards.net | 3 | 2.0% | Independent review |
The remaining 69 domains each surfaced once or twice, forming a long tail of reviewers, vendor blogs, and niche directories. Shares are of all 148 source links.
02 · What it means
Vendors do not win
from their own site.
Three patterns held across the whole query set. Each one is a lever a brand can actually pull.
Independent review / media
Editorial roundups and comparison sites that do not sell a PM tool
Leader · thedigitalprojectmanager.com
Software directories
Capterra, G2, SaaSHub and peers — listing + review marketplaces
Leader · capterra.com
Vendor-owned domains
A PM tool citing its own blog — almost always a comparison or listicle post, not a product page
Leader · monday.com
Vendor domains that do rank — monday.com, Wrike, Paymo — earn it through comparison and listicle posts, not product or pricing pages. The AI cited monday.com because monday.com publishes “X vs Y” content that reads like a review, not because it sells a good tool.
One finding worth flagging: community platforms barely surfaced in this run. Reddit did not appear once in the top sources for these 20 queries, and forums showed up only as scattered dev.to and Medium posts. For project management, the answer surface is editorial and directory-led, not community-led.
03 · Methodology
Boring on purpose.
So you can redo it.
A ranking is only worth citing if a stranger can rebuild it and land in the same place. Here is exactly what we did.
Query set
Twenty buyer-intent queries in one category — project management software — spanning "best of" roundups, head-to-head comparisons, and use-case cuts (remote, agile, marketing, construction). These are the prompt shapes a buyer actually types into ChatGPT or Perplexity before a purchase. The full list is printed above; nothing was cherry-picked after the fact.
What got counted
For each query we captured the source links returned by the web retrieval layer — the same organic-and-directory corpus that AI answer engines draw citations from. Every link counts once. We normalized each URL to its root domain, so help.clickup.com and clickup.com/blog both roll up to clickup.com. No weighting, no editorializing: a citation is a citation.
The tally
148 source links resolved to 81 unique domains across the 20 queries. We ranked domains by raw citation count and grouped them into three source types: independent review sites, software directories, and vendor-owned domains. The table above shows every domain that surfaced three or more times.
Date and scope
Collected 2026-07-23, US English, one retrieval surface. This is a point-in-time snapshot of a moving target — answer engines re-rank their sources constantly. The value is the repeatable method, not a frozen leaderboard.
The 20 queries
- 01best project management software 2026
- 02best project management software for small teams
- 03best free project management software
- 04Asana vs Monday vs ClickUp comparison
- 05best project management tools for remote teams
- 06best agile project management software
- 07project management software for startups
- 08best Jira alternatives 2026
- 09best project management software for marketing teams
- 10Trello vs Asana which is better
- 11best enterprise project management software
- 12best project management software with Gantt charts
- 13ClickUp vs Notion for project management
- 14best AI project management tools 2026
- 15best project management software for software development teams
- 16best project management software for consultants and agencies
- 17Monday.com alternatives 2026
- 18cheapest project management software with good reviews
- 19best project management software for construction
- 20Smartsheet vs Wrike vs monday.com
04 · Reproduce it
Run it yourself.
- 01Take the 20 queries listed above, unedited.
- 02Run each through your retrieval surface of choice: a search API, or the live source list an engine like Perplexity or Google AI Overviews shows beneath its answer.
- 03Record every source link. Normalize each to its root domain.
- 04Tally the domains. Sort by count. That is the index.
Your numbers will drift from ours as engines re-rank and as you pick a different surface. The shape — reviewers and directories on top, vendor product pages absent — should hold.
Caveats · read before you cite
What this is not.
Retrieval surface, not answer logs.
This tallies the organic-and-directory corpus answer engines draw from, captured via web search. It is a strong proxy for what gets cited, not a scrape of each engine’s live citation panel. Treat it as directional.
One surface this run.
Numbers come from a single retrieval layer. A fuller pass across ChatGPT, Perplexity, Google AI Overviews, and Gemini live-citation panels is the planned next release. Multi-engine collection is pending.
Sample size.
Twenty queries is representative of the category, not exhaustive. A domain that just missed the top 12 could move up in a wider set.
Source-type labels are ours.
The reviewer / directory / vendor tags are our classification. The citation counts are raw and objective; the grouping is a judgment call and is stated as directional.
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