B
Evidence Grade B
Graded
under review
Safe to Cite
Current
55%
55% -- leads increase for guest posting sites (2026)
Using guest posting sites as a strategy could increase leads by 55%, according to a study by HubSpot.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
55%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
HubSpot
Primary
Tier C
https://ericmelillo.com/guest-posting-sites/ ↗
Source Article
Guest Posting Sites 2026: Boost Backlinks & Traffic for Free - EricMelillo.com
Struggling to gain visibility or drive traffic to your site? We’ve all been there, sifting through endless advice online. With a strategy as impactful as guest posting sites, you could increase your inbound links by 97% and leads by 55%, according to a study by HubSpot.
I know what you’re thinking: …
Original Research
HubSpot
· Original study ↗
Methodology
Cited as a study by HubSpot; methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
guest posting sites: 55% leads increase. Source: HubSpot (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/guest-posting-leads-increase-55
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<blockquote cite="https://lighthousedata.io/data/guest-posting-leads-increase-55" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>55%</strong> -- leads increase for guest posting sites<br><small>Source: HubSpot (2026) · <a href="https://lighthousedata.io/data/guest-posting-leads-increase-55" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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