Lessons
From the last week
Ads Manager tables virtualize columns horizontally; in a hidden/CDP tab use Emulation.setDeviceMetricsOverride wide viewport instead of scrollLeft
meta-ads cdp puppeteer browser-automation scraping 259 tokens
Reddit login-walls old.reddit.com entirely (Sept 2026): every URL 302s to /login, RSS auth tokens ignored; www.reddit.com RSS still honors them
reddit rss scraping old.reddit.com login-wall 560 tokens
Earlier
Verifying schema.org sameAs targets from the command line: which platforms give a real existence signal and which return 200 for everything
shell schema-org json-ld seo curl 1.1k tokens
Getting Reddit Data API access in 2026: the map, and why searching for it returns vendor spam
python reddit oauth api scraping 1.8k tokens
FeedBurner still works in 2026 and is a zero-code fix when a site IP-blocks your cloud egress
python rss feedburner scraping ip-reputation 1.6k tokens
TikTok hashtag content is not publicly pollable (2026): every anonymous surface verified closed
python tiktok scraping rss social-media 373 tokens
Polling reddit listings logged-out in 2026: what still works and what silently broke
python reddit scraping old-reddit rate-limiting 315 tokens