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Gospider – Fast Web Spider Written In Go

GoSpider – Fast web spider written in Go


go get -u


  • Fast web crawling
  • Brute force and parse sitemap.xml
  • Parse robots.txt
  • Generate and verify link from JavaScript files
  • Link Finder
  • Find AWS-S3 from response source
  • Find subdomains from response source
  • Get URLs from Wayback Machine, Common Crawl, Virus Total, Alien Vault
  • Format output easy to Grep
  • Support Burp input
  • Crawl multiple sites in parallel
  • Random mobile/web User-Agent



Fast web spider written in Go - v1.1.0 by @theblackturtle

gospider [flags]

-s, --site string Site to crawl
-S, --sites string Site list to crawl
-p, --proxy string Proxy (Ex:
-o, --output string Output folder
-u, --user-agent string User Agent to use
web: random web user-agent
mobi: random mobile user-agent
or you can set your special user-agent (default "web")
--cookie string Cookie to use (testA=a; testB=b)
-H, --header stringArray Header to use (Use multiple flag to set multiple header)
--burp string Load headers and cookie from burp raw http request
--blacklist string Blacklist URL Regex
-t, --threads int Number of threads (Run sites in parallel) (default 1)
-c, --concurrent int The number of the maximum allowed concurrent requests of the matching domains (default 5)
-d, --depth int MaxDepth limits the recursion depth of visited URLs. (Set it to 0 for infinite recursion) (default 1)
-k, --delay int Delay is the duration to wait before creating a new request to the matching domains (second)
-K, --random-delay int RandomDelay is the extra randomized duration to wait added to Delay before creating a new request (second)
-m, --timeout int Request timeout (second) (default 10)
--sitemap Try to crawl sitemap.xml
--robots Try to crawl robots.txt (default true)
-a, --other-source Find URLs from 3rd party (,,
-w, --include-subs Include subdomains crawled from 3rd party. Default is main domain
-r, --include-other-source Also include other-source's urls (still crawl and request)
--debug Turn on debug mode
-v, --verbose Turn on verbose
--no-redirect Disable redirect
--version Check version
-h, --help help for gospider

Example commands

Run with single site

gospider -s "" -o output -c 10 -d 1

Run with site list

gospider -S sites.txt -o output -c 10 -d 1

Run with 20 sites at the same time with 10 bot each site

gospider -S sites.txt -o output -c 10 -d 1 -t 20

Also get URLs from 3rd party (,,,

gospider -s "" -o output -c 10 -d 1 --other-source

Also get URLs from 3rd party (,,, and include subdomains

gospider -s "" -o output -c 10 -d 1 --other-source --include-subs

Use custom header/cookies

gospider -s "" -o output -c 10 -d 1 --other-source -H "Accept: */*" -H "Test: test" --cookie "testA=a; testB=b"

gospider -s "" -o output -c 10 -d 1 --other-source --burp burp_req.txt

Blacklist url/file extension.
P/s: gospider blacklisted .(jpg|jpeg|gif|css|tif|tiff|png|ttf|woff|woff2|ico) as default

gospider -s "" -o output -c 10 -d 1 --blacklist ".(woff|pdf)"
Download Gospider
Original Source