B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
13%
13% -- share of pages with poor lcp for mobile web pages (2025)
13% of mobile web pages have a poor LCP score, compared to 7% of desktop pages.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
13%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
HTTP Archive
Primary
Tier B
https://imgseo.io/blog/ai-image-compression-complete-guide ↗
Source Article
AI Image Compression: Complete Guide for E-commerce Sellers in 2026
A 5MB product photo can cost you Google rankings before a single buyer ever sees it. The page loads slowly. Your Core Web Vitals score drops. Google's algorithm penalizes your position in search. All because of a file that looks fine in your product editor but is doing measurable damage to your visi…
Original Research
HTTP Archive
· Original study ↗
Methodology
HTTP Archive Web Almanac 2025; desktop comparison 7%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
mobile web pages: 13% share of pages with poor lcp. Source: HTTP Archive (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mobile-poor-lcp-rate-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/mobile-poor-lcp-rate-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>13%</strong> -- share of pages with poor lcp for mobile web pages<br><small>Source: HTTP Archive (2025) · <a href="https://lighthousedata.io/data/mobile-poor-lcp-rate-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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