A bookmarklet to find various zomato resource properties. To use, copy this code and paste it in URL field of a new bookmark.

zomato_bookmarklet.js

javascript: void
function($) {
    var loadBookmarklet = function($) {
            (function() {
                if ("www.zomato.com" == document.domain) {
                    var msg = "";
                    try {
                        splits = $('meta[property="al:android:url"]').attr("content").split("/");
                        const id = splits[3],
                            page_type = splits[2];
                        switch (page_type) {
                            case "r":
                                msg += "res_id: " + id;
                                break;
                            case "review":
                                msg += "review_id: " + id;
                                break;
                            case "u":
                                msg += "user_id: " + id;
                                break;
                            default:
                                msg += "Page type unknow."
                        }
                    } catch (err) {
                        console.log(err)
                    }
                    try {
                        city_id = $("input[name=city]").attr("value"), msg += "\ncity_id: " + city_id
                    } catch (err) {
                        console.log(err)
                    }
                    "" != msg && (console.log(msg), alert(msg))
                }
            })()
        },
        hasJQuery = $ && $.fn && parseFloat($.fn.jquery) >= 1.7;
    if (hasJQuery) loadBookmarklet($);
    else {
        var s = document.createElement("script");
        s.src = "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.js", s.onload = s.onreadystatechange = function() {
            var state = this.readyState;
            state && "loaded" !== state && "complete" !== state || loadBookmarklet(jQuery.noConflict())
        }
    }
    document.getElementsByTagName("head")[0].appendChild(s)
}(window.jQuery);