Website Contact Crawler

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Python Apify Actor that crawls a list of start URLs, follows links up to a configurable depth, and extracts:

• email addresses
• phone numbers
• Facebook, X/Twitter, WhatsApp, YouTube, Instagram, and LinkedIn links

Each extracted contact is stored with:

• startingUrl — seed URL for the crawl branch
• currentPage — URL that was requested and crawled (e.g. /pages/contact-us)
• pageFetched — final URL after HTTP redirects, where the HTML was parsed
• type
• value

Output

1. Default dataset — one row per unique contact (standard Apify export as JSON/CSV).
2. Key-Value Store
   • contacts.json — full aggregated array of all contacts from the run.
   • pages-scraped.json — per seed URL, all HTML pages that were successfully scraped (startingUrl + pagesScraped array).

Input

• startUrls: list of seed URLs (JSON array; supports large lists such as ~1,000 sites)
• depthOfPages: crawl depth from each seed URL
• defaultPhoneRegion: default region for phonenumbers
• maxConcurrencyPerIp: concurrent fetches per worker band (default 50)
• proxyPoolSize: number of worker bands (default 10); total workers = maxConcurrencyPerIp × proxyPoolSize
• maxConcurrencyPerHost: cap simultaneous requests per website host (default 5; set 0 to disable)
• dedupeScope: global (one row per value) or perStartingUrl (same value allowed under different seeds)
• proxyConfiguration: Apify Proxy or custom proxy settings (RESIDENTIAL recommended on Apify)
• additionalPaths / excludeKeywords: add depth-1 paths and filter URLs

Concurrency and proxy

• Worker bands: proxyPoolSize × maxConcurrencyPerIp async workers (default 500) share a global crawl queue.
• Per-request IP rotation: when Apify Proxy is enabled, every HTTP request uses a new residential proxy session (session_id is unique per fetch). Worker bands organize parallelism; they do not pin 10 fixed IPs.
• Per-host limit: maxConcurrencyPerHost reduces hammering a single domain when many seeds or pages target the same host.
• Cost: high concurrency with residential proxies can be expensive; lower maxConcurrencyPerIp or proxyPoolSize if you hit rate limits or budget limits.

Notes

• The crawler stays on the same host or subdomain family as the seed URL, and also follows links on other hosts seen in that crawl branch (common for Shopify: *.myshopify.com seed redirecting to a custom domain while HTML still links to myshopify.com pages).
• Static assets, mailto:, tel:, javascript:, and fragment-only links are ignored for crawling.
• additionalPaths are applied when the seed page at depth 0 is fetched, so they become depth-1 pages alongside links discovered from that page. excludeKeywords blocks matching URLs at every depth.
• 429 responses trigger host-specific cooldowns and respect Retry-After. Lower concurrency if a site still rate limits heavily.
• Local runs work without Apify Proxy credentials; on Apify, the actor uses the residential proxy pool when available.
• Default run options: 2-hour timeout, 8 GB memory (see .actor/actor.json). Increase timeout for very large seed lists and depth.

Local run

python -m pip install-r requirements.txt
python -m src

For local testing, put an INPUT.json file under storage/key_value_stores/default/ or set APIFY_LOCAL_STORAGE_DIR to a folder with that structure.

After a run, check storage/datasets/default/ for dataset rows and storage/key_value_stores/default/contacts.json and pages-scraped.json for aggregated JSON files.

Publish to Apify

apify login
apify push

Smoke-test with a few startUrls and depthOfPages=1, then scale up gradually before running ~1,000 seeds at full concurrency.