Ask a room of sourcers which engine they x-ray with and most say Google, out of habit rather than testing. After years of running the same searches through both, here's the honest comparison.
Where Google wins
Coverage. Google's index is bigger and fresher, especially for the long tail — personal sites, university pages, small-town news. If a candidate's footprint exists anywhere, Google has probably crawled it.
Where Google bites
Google is suspicious of people who search like sourcers. Long boolean strings, stacked operators, page after page of results — that pattern looks automated to Google, and it responds with CAPTCHAs. Every recruiter who x-rays seriously has hit the "unusual traffic" wall mid-flow, sometimes repeatedly, and there's no appealing it: solve the puzzle, lose your rhythm, get flagged again an hour later. It's not a ban and it's not personal — but at desk volume, it's friction that adds up every single day.
Where Bing quietly shines
Bing tolerates working sourcers far better. The same operator-heavy searches that trip Google's alarms run all day on Bing without a challenge. And here's the part that surprises people: Bing's different ranking is a feature. Both engines index the same public profiles, but they order them by different rules — so Bing's page one is not Google's page one. Different people surface. When a search feels mined out on one engine, the other is a fresh deck.
The syntax gotchas
The engines speak slightly different dialects. The big operators — quotes, OR, minus, site:, intitle:, inurl: — work on both, but the details drift: how strictly quotes are honored, how many terms get respected before the engine starts silently dropping them, how OR groups need arranging. A search tuned for one engine can quietly underperform on the other, which is why Sourcer's Desk adapts its syntax to whichever engine you aim it at rather than assuming one dialect fits both.
The working answer
Bing first for volume work — it's the engine that doesn't fight you at recruiter pace. Google for the deep, obscure hunts where index size wins. And for any search that matters, both: it costs one extra minute, and the second engine's page one is full of people the first engine buried on page six. Your competitors are all fishing the same Google pond, standing in the same CAPTCHA line. The Bing pond has fewer fishermen and different fish.