Bytespider

ByteDance โ€” Training

All crawlers ยท Agent Accessibility Index

Purpose: Training. Bulk crawling to build model training data.

ByteDance's crawler. Blocked at close to the same rate as the best-known AI crawlers, which is notable given how much less public discussion it attracts.

14.57%

of the panel names this token in robots.txt and disallows it, for the week of 2026-10-05.

How sites treat this token

StanceDomainsWhat it means
FullBlock131Every path is disallowed for this token.
PartialBlock14Some paths are disallowed for this token; others are not.
Allowed6The token is named and explicitly allowed.
Unmentioned844The file never names this token. This is not consent โ€” the site may still close it off with a blanket rule for every crawler.

Bytespider's three-year history

Bytespider over time, 16 quarterly periods from 2023-01 to 2026-08.Bytespider rose from 1.03% at 2023-01 to 16.98% at 2026-08.0%5%10%15%20%2023-012023-092024-052025-012025-102026-0816.98%

A site in the historical panel first named and disallowed this token in 2023-01; its most recent reading is 16.98%.

Note: this chart reads Common Crawl's own 611-domain historical panel, not the panel behind the stance table above โ€” a different population from the live index panel, so levels are not comparable between the two indices.