Site query order isn’t specific
The order of search results for site: query in Google isn’t meaningful.
HTML bookmarks may be shown in SERPs
Sometimes Google will show the HTML bookmarks (e.g.href="#bookmark") in the SERPs results next to a page.
Only Google Search Results Pages Count as Referrals
In Chrome, if you start typing a domain into the Google Search box, it doesn’t count as a referral from Google and will be treated as direct. t’s only counted as a Google referral if a results page has been shown.
The Link Search Operator Doesn’t Work for All Websites
The Link: search operator in Google doesn’t work for all websites due to a bug, but hasn’t been retired.
Google Detects Accented Characters as Synonyms
For words with accented characters, because people search for both, Google is usually able to detect them as synonyms and return similar results.
Site Operator Results Are Not Ordered by Page Importance
The order of search results for a site: command are ordered in some way ‘which makes sense’, but you shouldn’t be worried if you don’t see your most important pages showing up.
Info: Query Shows Indexed Data
An info: query in Google gives you a page’s true indexed data, instead of site: which will always try to return something.
Monitor a Site Using Google Alerts with Site: Query
You can use Google Alerts with a site: query as a means to spot potential problems.
Site: Queries Can Produce Strange Results
site: queries can produce some strange results so don’t worry if you see something weird.