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توییتر \ @levelsio در توییتر: «If there is anything @twitter could do is make their Twitter Card robot better, it misses half the images of websites https://t.co/2Er63V7Fv6»
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Twitter meta image is not rendering on Twitter because it "may be restricted by the site's robots.txt file" - Stack Overflow
Twitter Block Web Crawlers via Robots.txt? | Web Marketing School