Parallel Fetcher
SafeUser-agent: Shap-User
Category: AI & LLM Bots
SEO impact if blocked: 2/10
Parallel
2 crawlers operated by Parallel
Who Parallel is, for site owners
Parallel operates 2 crawlers in our directory, filed under AI & LLM Bots. Of those 2, 1 rated safe, 1 rated caution for crawl behaviour.
Blocking Parallel carries an SEO impact score of 2/10 across its crawlers. Every crawler here carries the same blocking impact: Low - No SEO ranking impact.
Our recommendation for Parallel, set by its least reassuring crawler (Parallel Web Crawler, rated caution): Generally safe to allow; provides legitimate crawling value.
Parallel at a glance
| Operator | Parallel |
|---|---|
| Crawlers in directory | 2 |
| Categories | AI & LLM Bots |
| SEO impact if blocked | 2/10 |
| Crawl behaviour | 1 rated safe, 1 rated caution |
| Official crawler docs | Parallel crawler documentation |
Crawlers operated by Parallel
How to block or allow Parallel in robots.txt
These rules cover all 2 crawlers Parallel operates. Add them to the robots.txt file at the root of your domain.
Block Parallel completely
User-agent: Shap-User
User-agent: ShapBot
Disallow: /
Allow Parallel explicitly
User-agent: Shap-User
User-agent: ShapBot
Allow: /
robots.txt is a request, not an enforcement mechanism. A crawler that ignores it needs a block at the server or CDN layer. Rules are case-sensitive on the path and matched against the user-agent token, not the full user-agent string.
Frequently asked questions about Parallel
What crawlers does Parallel run?
Parallel operates 2 crawlers in our directory: Parallel Fetcher (user-agent Shap-User), Parallel Web Crawler (user-agent ShapBot).
Should I block Parallel?
Generally safe to allow; provides legitimate crawling value. That guidance follows this operator's least reassuring crawler, Parallel Web Crawler, rated caution, because allowing an operator allows every crawler it runs. The SEO impact score for blocking is 2/10, where 10 means blocking costs you the most visibility.
How do I block Parallel in robots.txt?
Add the following to robots.txt at your domain root: User-agent: Shap-User then User-agent: ShapBot then Disallow: /. One Disallow line covers all 2 user-agent tokens.
Does blocking Parallel hurt my search rankings?
Every crawler here carries the same blocking impact: Low - No SEO ranking impact. Google's own ranking crawler is Googlebot, which this operator does not run, so blocking Parallel does not by itself remove you from Google's index. What it can change is whether AI assistants and analytics tools can read your pages.