How to Redirect a Search Form to a Site-Scoped Google Search

Programming - Mar 31, 2024

This is just a tiny little trick that might be helpful on a site where you don’t have the time or desire to build out a really good on-site search solution. Google.com itself can perform searches scoped to one particular site. The trick is getting people there using that special syntax without them even knowing it.

Make a search form:

<form action="https://google.com/search" target="_blank" type="GET">

  <label>
     Search CSS-Tricks on Google: 
     <input type="search" name="q">
   </label>

  <input type="submit" value="Go">

</form>

When that form is submitted, we’ll intercept it and change the value to include the special syntax:

var form = document.querySelector("form");

form.addEventListener("submit", function (e) {
  e.preventDefault();
  var search = form.querySelector("input[type=search]");
  search.value = "site:css-tricks.com " + search.value;
  form.submit();
});

That’s all.

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