B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
11.5%
11.5% -- javascript file download rate for GPTBot (2026)
GPTBot downloads JavaScript files in approximately 11.5% of fetches.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
11.5%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Lantern
Primary
Tier B
https://www.asklantern.com/blogs/ai-crawlers-do-not-render-javascript ↗
Source Article
AI Crawlers Do Not Render JavaScript
Original Research
Lantern
· Original study ↗
Methodology
Analysis of over 500 million GPTBot fetches
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
GPTBot: 11.5% javascript file download rate. Source: Lantern (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/gptbot-javascript-file-download-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/gptbot-javascript-file-download-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>11.5%</strong> -- javascript file download rate for GPTBot<br><small>Source: Lantern (2026) · <a href="https://lighthousedata.io/data/gptbot-javascript-file-download-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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