Use mrcoles.com/bookmarklet tool to convert this to a bookmarklet! It will check the page for clues about what tool was used to generate it (e.g., WordPress, Wix).

GetGeneratorCluesBookmarklet.js

var attributeWanted = {
    "meta": "content",
    "link": "href",
    "script": "src",
    "img": "src",
    "iframe": "src"
};
var title = (document.querySelector('title') || {
    innerHTML: ''
}).innerHTML + '\n';
var clues = title + window.location.href + ':\n' + (
    ["meta[name='generator']", "link[href*='theme']", "script[href*='theme']", "link[href*='wp-'], [src*='wp-']", "link[href*='wix'], [src*='wix']"].map(function(clue) {
        var qResult = document.querySelector(clue),
            tagName = (qResult && qResult.tagName.toLowerCase()) || null,
            attrName = (tagName && attributeWanted[tagName]) || null;
        var result = (qResult && (clue + '=>' + tagName + '/@' + attrName + '= ' + qResult.getAttribute(attrName)));
        return result;
    })
    .filter(function(x) {
        return x;
    })
    .join('\n') || 'Unknown') + '\n';
prompt('Copy this', clues.replace(/^\s*/, ''));