#FacebookExternalHit
18:17:30, 34.81.209.247, all 404s
/.codex/config.toml ... Slackbot-LinkExpanding/1.0
/actuator/mappings ... ChatGPT-User/1.0
/graphql/console ... GrokBot/1.0
/.hermes/.env ... facebookexternalhit/1.1
/.claude/settings.json ... TelegramBot/1.0
/login ... Amzn-SearchBot/1.0

Get. In. The. Sea.
August 29, 2026 at 5:23 PM
サーバーログに見慣れない文字列が残っていました。

facebookexternalhit/1.1

Facebookに投稿していないのになぜ?

調べると、Xに記事をシェアするたびに
MetaのクローラーがOGPを取得しに来ていました。

7日間92件の実測データで挙動を解説しています。

www.blog.ai-kansoku.com/facebookexte...

#AIクローラー #OGP #サーバーログ #facebookexternalhit
XでシェアするたびにMetaのクローラーも来ていた—facebookexternalhitの正体【AI実験室 #14】
サーバーログに記録されるfacebookexternalhitは、MetaのOGPフェッチャーです。7日間92件の実測データから、Xへの投稿をきっかけにTwitterbotとfacebookexternalhitの両方が動く仕組みを解説します。
www.blog.ai-kansoku.com
April 13, 2026 at 4:19 AM
Scrolling Reddit without following me? 📱 Your feed needs more Goddess content. Fix that now:

🤓 me on reddit ↝
Reddit - Dive into anything
Your user agent facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php) has been identified as a social crawler. If this is not the case, please submit a bug report
bit.ly
January 12, 2025 at 5:53 PM
https://twitter.com/robots.txt
https://x.com/robots.txt

```
User-agent: Googlebot

Allow: /*?lang=
Allow: /hashtag/*?src=
Allow: /search?q=%23
Allow: /i/api/
[…]

User-Agent: Google-Extended
Disallow: *

User-Agent: FacebookBot
Disallow: *

User-agent: facebookexternalhit
Disallow: * […]
Original post on fedibird.com
fedibird.com
June 17, 2025 at 10:09 AM
Building the AI Economy: Texas at a Crossroads

https://www.byteseu.com/2147919/

Building the AI Economy: Texas at a Crossroads | Brownwood News facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php) X-Middleton/1 9a1aa2aa5a1f9e07a77f9f49759a2a813d9c5e7d 1
Building the AI Economy: Texas at a Crossroads - Bytes Europe
Building the AI Economy: Texas at a Crossroads | Brownwood News
www.byteseu.com
June 28, 2026 at 3:00 PM
They are bot's, mostly googlebot

Googlebot 11,448
AhrefsBot 9,128
Unknown robot identified by bot\* 7,723+
Applebot 2,719
SemrushBot 2,182
empty user agent string 2,408
Mediapartners-Google 2,324
bingbot 2,129
feed 2,016
Googlebot-Image 2,043
Go-http-client 1,670
facebookexternalhit 1,589
October 31, 2024 at 3:56 PM
Even Reddit simps deserve my attention. Follow my posts and replies there too:

🤓 me on reddit ↝
Reddit - Dive into anything
Your user agent facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php) has been identified as a social crawler. If this is not the case, please submit a bug report
bit.ly
January 7, 2025 at 7:53 PM
Notice a surge of /meta.json requests in your logs? 🧐

Our data shows this Meta crawler affects 15% of sites and can spike to 30%+ of total traffic. Learn what it is and how to block it at the edge to save server resources 👉 redirection.io/blog/unders...
Understanding and mitigating requests to /meta.json - Blog | redirection.io
Over the past few weeks, our team at redirection.io has observed a significant increase in automated traffic from Meta (Facebook) targeting a specific path: /meta.json. If you monitor your website logs, you may have noticed an influx of requests from the facebookexternalhit/1.1 u
redirection.io
March 18, 2026 at 3:05 PM
Hopkinsville O’Charley’s Closing Its Doors Wednesday

Hopkinsville O'Charley's Closing Its Doors Wednesday | WKDZ

facebookexternalhit/1.1 (+ 9896b249217151b5c552c72e38f85376e3abbb54 1 Source link
Hopkinsville O’Charley’s Closing Its Doors Wednesday
Hopkinsville O'Charley's Closing Its Doors Wednesday | WKDZ 
 
 
 
 
 facebookexternalhit/1.1 (+ 9896b249217151b5c552c72e38f85376e3abbb54 1 Source link
freeaitoolsayoob.com
September 9, 2026 at 2:56 AM
ICYMI: Explaining FacebookExternalHit #Facebook #Meta #LinkPreview #Crawler #SEO
Explaining FacebookExternalHit
FacebookExternalHit is Meta's link preview crawler, fetching pages shared in its apps. How it works, what it reads, and why its robots.txt status is disputed.
ppc.land
August 31, 2026 at 8:01 AM