B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
54%
54% -- share of digital marketing professionals for digital marketers (2025)
Nearly 54% of digital marketers say link building is the hardest part of SEO.
- The source text notes 'nearly 54%'.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
54%
Unit
Percentage
Data Vintage
2025
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
Authority Hacker
Primary
Tier C
https://staging-userp.kinsta.cloud/link-building/essential-link-building-metrics/ ↗
Source Article
Essential Link Building Metrics For Rapid SEO Growth
Link building can feel like a game where everyone’s rushing to collect as many backlinks as possible. But it’s easy to get caught up and forget that not all links actually help your SEO.
You put in the work, reach out to websites, get some backlinks, and still, your rankings don’t move.
Two words: m…
Original Research
Authority Hacker
· Original study ↗
Methodology
Survey finding attributed to Gael Breton of Authority Hacker; methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
digital marketers: 54% share of digital marketing professionals. Source: Authority Hacker (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/link-building-hardest-seo-54-percent
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<blockquote cite="https://lighthousedata.io/data/link-building-hardest-seo-54-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>54%</strong> -- share of digital marketing professionals for digital marketers<br><small>Source: Authority Hacker (2025) · <a href="https://lighthousedata.io/data/link-building-hardest-seo-54-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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