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Dictionary termTrack EStablev2026.2

Twitter mentions (concept)

An altmetric signal counting public posts on Twitter (rebranded to X in 2023) that include a link or identifier referring to a specific research output.

ByCASRAI Editorial Board
· Last updated 22 Aug 2026
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Examples

Worked examples

  • Is an instance

    An impact case study uses Twitter mentions as evidence of policy-stakeholder attention.

  • Is an instance

    A research-communications team tracks Twitter mentions of preprints to time press engagement.

Counter-examples

Looks similar, but isn't

  • Not an instance

    Awarding internal recognition based solely on Twitter mention volume.

  • Not an instance

    Comparing Twitter mention counts across languages without representativeness analysis.

Editorial commentary

Twitter mentions — now more precisely ‘X mentions’ — are an altmetric signal counting public posts on the platform that link to or identify a specific research output. They were among the earliest and most-cited altmetric signals because of the platform’s historically open API and fast propagation: scholarly attention often appeared within days of publication, versus citation lags of years.

Is this metric still tracked? A 2026 status check

Yes, but the mechanism and reliability changed materially since 2023, worth stating plainly rather than leaving the page frozen in pre-2023 assumptions. X retired the Gnip enterprise data product — the source altmetric providers relied on — on 30 June 2024; providers including Altmetric now ingest X mentions through X’s own API v2 Filtered Stream. Since 2023, X has also restricted free API read access for most uses, so hydrating post data at volume now generally requires a paid API tier — a real cost and coverage change, not merely a rebrand.

The signal is not deprecated — providers continue to actively collect it — but it is structurally less complete and more expensive to track than before 2023, and coverage gaps from the API transition mean mention-count comparisons across the pre-/post-2023 boundary should be treated with caution.

What it measures, and its limits

A mention typically counts a public post (or repost/quote) containing a direct link to the output; automated and coordinated activity can inflate raw counts, and coverage is skewed toward English-language content and toward disciplines with higher platform usage. Because a single, highly-followed account can generate a spike unrelated to substantive reception, mention counts are read as attention indicators, not quality indicators.

How this differs from Mendeley readership

Mendeley readership counts researchers who saved an output to a reference library — a slower-forming, academic-audience signal. X mentions capture immediate, often non-specialist public attention that can spike and fade within days. They are reported side-by-side precisely because they measure different audiences, not because one supersedes the other.

Where this fits among altmetric signals

X mentions are one input alongside news coverage, blog mentions, and Mendeley readership within composite indicators such as the Altmetric Attention Score and PlumX Metrics; see PlumX vs. Altmetric and the NISO Altmetrics Initiative for the standards effort behind the category.

Frequently asked questions

Is this metric obsolete now that Twitter is X?

No — providers still actively track it, but the data pipeline changed and coverage/cost characteristics differ from the pre-2023 era.

Should researchers still care about X mentions?

As one attention signal among several, yes — it should not be read as a proxy for research quality or citation impact.

Can I reliably compare 2020 counts with 2026 counts?

Not cleanly — the API and data-access model changed twice (2023 access restrictions, June 2024 Gnip retirement), conflating platform-access changes with genuine attention changes.

References

  • Haustein S, Costas R, Larivière V, ‘Characterizing social media metrics of scholarly papers’, PLOS ONE, 2015. Altmetric.com documentation and blog on X/Twitter data sourcing (accessed 2026-08-22).

Also known as

X mentions · Tweet mentions

Machine-readable encodings

Use in your systems

JATS XML <role> element
xml
<role vocab="credit"
      vocab-identifier="https://casrai.org/dictionary/"
      vocab-term="Twitter mentions (concept)"
      vocab-term-identifier="https://casrai.org/dictionary/term/twitter-mentions-concept" />
Schema.org DefinedTerm (JSON-LD)
json
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  "datePublished": "2026-05-21T02:22:55",
  "dateModified": "2026-08-22T15:38:21",
  "inLanguage": "en-GB",
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