B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
17%
17% -- share of internal links leading to 404 or redirects for sites with more than 10,000 pages (2025)
An Ahrefs study found that 17% of internal links on sites with more than 10,000 pages lead to 404 errors or redirects.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
17%
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
20
Independence
30
Methodology
45
Freshness
95
Source
Ahrefs
Primary
Tier C
https://www.linkactions.com/mistakes-in-relinking-that-cause-rankings-to-drop/ ↗
Source Article
Mistakes in Relinking That Cause Rankings to Drop - LinkNatics
Internal relinking is one of the most underrated ranking factors. It helps search engines understand the structure of the site, distribute link weight and prioritize pages. But if incorrectly configured, it does not just not help – it hurts. And this is confirmed by both Google representatives and s…
Original Research
Ahrefs
· Original study ↗
Methodology
Ahrefs study, as cited by LinkNatics
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
sites with more than 10,000 pages: 17% share of internal links leading to 404 or redirects. Source: Ahrefs (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/internal-links-404-redirects-ahrefs
HTML Embed
<blockquote cite="https://lighthousedata.io/data/internal-links-404-redirects-ahrefs" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>17%</strong> -- share of internal links leading to 404 or redirects for sites with more than 10,000 pages<br><small>Source: Ahrefs (2025) · <a href="https://lighthousedata.io/data/internal-links-404-redirects-ahrefs" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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