C Evidence Grade C Use with Hedging Dated

90%

90% -- engagement rate for Google Plus (2018)

Name: Engagement Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-08-07

2018 · Google

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Attribution: Google View source

Lighthouse Research Team

Last verified: 2026-08-25 · How we verify data →

Source verified Evidence graded

Value

90%

Unit

Percentage

Data Vintage

2018

Entity

Google Plus

Evidence Quality

Moderate quality evidence

Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.

59/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Sources (5)

Google Primary Tier B

http://www.searchenginejournal.com/beginners-guide-to-google/57988/?utm_source=feedburner&utm_medium… ↗

Confidence: 95/100 Vintage: 2018 Channel: Common Crawl

Source Article

Google Plus: Past, Present & Future

Earlier this month, Google announced that it will be shutting down Google Plus for consumers in a 10-month phase-out. The decision follows a recent discovery of an undisclosed security flaw that exposed users’ profile data that was said to have been remedied in March. The software glitch may have ex…

Also cited by

searchenginejournal.com http://www.searchenginejournal.com/google-plus-fifty-millio/34088/google-plus-4/

2026-08-13

Search Engine Journal https://www.searchenginejournal.com/facebook-google-plus-growth/38337/

2026-08-25

Search Engine Journal http://www.searchenginejournal.com/breakdown-of-who-uses-google-infographic/3739…

2026-08-07

Search Engine Journal http://www.searchenginejournal.com/8-keys-to-getting-more-google-interaction/108…

2026-08-14

Original Research

Google · Original study ↗

Methodology

Google's statement

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Suggested hedging: According to limited, single-source data, based on claims without stated methodology, with unverified sample sizes...

Plain Text

Google Plus: 90% engagement rate. Source: Google (2018). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-plus-engagement

HTML Embed

<blockquote cite="https://lighthousedata.io/data/google-plus-engagement" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>90%</strong> -- engagement rate for Google Plus<br><small>Source: Google (2018) · <a href="https://lighthousedata.io/data/google-plus-engagement" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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