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Caution Data Scrapers

Factset_spyderbot

Operated by FactSet

Quick Facts

User-Agent:Factset_spyderbot
Category:Data Scrapers
Operator:FactSet
Safety:Caution
Blocking Impact:Low — No SEO ranking impact
SEO Impact Score:2/10

What is Factset_spyderbot?

The web crawler for FactSet, a financial data and software company, used to gather market intelligence.

The web crawler for FactSet, a financial data and software company, used to gather market intelligence. Factset_spyderbot is a data aggregation crawler. Unlike search bots or AI crawlers, its purpose is typically to collect content for private datasets, price monitoring, or research. Blocking Factset_spyderbot via robots.txt or at the server level has NO negative SEO impact. If you see excessive crawl volume from this bot in your logs, a hard block is recommended.

What happens if you block Factset_spyderbot?

✅ **Minimal Impact** — Blocking Factset_spyderbot has no meaningful effect on your search engine rankings or organic traffic.
Consider blocking based on your content strategy.

How to block Factset_spyderbot with robots.txt

<code>User-agent: Factset_spyderbot</code> — Matching is case-insensitive. Robots.txt is fetched from the root of each subdomain separately.

Block completely (robots.txt)
User-agent: Factset_spyderbot Disallow: /
Allow all (robots.txt)
User-agent: Factset_spyderbot Allow: /
Block private only (robots.txt)
User-agent: Factset_spyderbot Disallow: /private/ Disallow: /api/ Disallow: /admin/ Allow: /
Nginx server block
# Nginx: Hard-block Factset_spyderbot if ($http_user_agent ~* "Factset_spyderbot") { return 403 "Bot blocked"; }
Apache .htaccess
# Apache: Hard-block Factset_spyderbot SetEnvIfNoCase User-Agent "Factset_spyderbot" bad_bot Order Allow,Deny Allow from all Deny from env=bad_bot
Meta robots tag
<meta name="robots" content="noindex, nofollow">
X-Robots-Tag header
X-Robots-Tag: noindex, nofollow

Is Factset_spyderbot safe to allow?

⚠️ **Use Caution with Factset_spyderbot.** While operated by FactSet for stated legitimate purposes, this bot collects your content for uses you may not want to support (commercial data aggregation). It generally respects robots.txt but may revisit pages more frequently than needed. Evaluate your content strategy: if you're concerned about your data being used for these purposes, block it.

What does Factset_spyderbot do?

Understanding Factset_spyderbot's purpose helps you decide whether to allow or block it.

Frequently Asked Questions

What is the official user-agent string for Factset_spyderbot?
The official user-agent string for Factset_spyderbot is: Factset_spyderbot. This is the exact string you must use in robots.txt, Nginx, Apache, or Cloudflare firewall rules to target this bot. User-agent matching in robots.txt is case-insensitive, but the string must be spelled correctly. You can verify that a request genuinely comes from Factset_spyderbot by performing a reverse-DNS lookup on the source IP — legitimate bots resolve back to their operator's domain.
Is Factset_spyderbot safe?
⚠️ **Use Caution with Factset_spyderbot.** While operated by FactSet for stated legitimate purposes, this bot collects your content for uses you may not want to support (commercial data aggregation). It generally respects robots.txt but may revisit pages more frequently than needed. Evaluate your content strategy: if you're concerned about your data being used for these purposes, block it.
Will blocking Factset_spyderbot hurt my SEO?
✅ **Minimal Impact** — Blocking Factset_spyderbot has no meaningful effect on your search engine rankings or organic traffic.
How do I block Factset_spyderbot in robots.txt?
Add the following lines to your /robots.txt file: 
User-agent: Factset_spyderbot
Disallow: /
This instructs Factset_spyderbot not to crawl any path on your site. The Disallow: / directive covers the entire domain including subfolders. To only block specific sections, replace / with the path (e.g., Disallow: /blog/). Note: robots.txt is publicly readable — any bot or human can inspect it at yourdomain.com/robots.txt.
Does Factset_spyderbot respect robots.txt?
⚠️ Factset_spyderbot may not always respect robots.txt. For guaranteed blocking, combine robots.txt with server-level rules (Nginx if/return 403, Apache SetEnvIf, or Cloudflare WAF).
How do I verify if Factset_spyderbot is crawling my site?
Search your web server access logs for the string Factset_spyderbot (case-insensitive grep: grep -i "Factset_spyderbot" /var/log/nginx/access.log). You can also check Google Search Console → Coverage → Crawl Stats for Googlebot variants. For Factset_spyderbot specifically, filter by user-agent in your log analysis tool (GoAccess, AWStats, etc.).
What is the crawl frequency of Factset_spyderbot?
Crawl frequency data for Factset_spyderbot is not publicly documented. Monitor your logs to understand actual visit patterns.
Can I block Factset_spyderbot from specific pages only?
Yes. Instead of a global Disallow: / you can restrict Factset_spyderbot to specific paths: 
User-agent: Factset_spyderbot
Disallow: /private/
Disallow: /staging/
Allow: /
This allows Factset_spyderbot everywhere except the listed paths. Path matching in robots.txt uses prefix matching — Disallow: /private/ blocks /private/page.html but NOT /public/private/.
Is Factset_spyderbot causing high server load?
If Factset_spyderbot is generating excessive requests, you can: 1. Add Crawl-delay: 30 below the User-agent directive in robots.txt. 2. Rate-limit the user-agent via Nginx's limit_req_zone or Apache's mod_ratelimit. 3. Block it outright at Cloudflare WAF with rule: http.user_agent contains "Factset_spyderbot". 4. Use fail2ban to auto-block IPs exceeding request thresholds.

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