Add a button to Google search pages to instantly search the same query on Yandex/Bing

search.js

// ==UserScript==
// @name         Google to Yandex Search
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Add a button to Google search pages to instantly search the same query on Yandex
// @author       Ward Boumans
// @match        https://www.google.com/search*
// @match        https://google.com/search*
// @match        https://www.google.nl/search*
// @match        https://google.nl/search*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Function to get the current search query from Google
    function getCurrentSearchQuery() {
        const urlParams = new URLSearchParams(window.location.search);
        return urlParams.get('q') || '';
    }

    // Function to create and add the Yandex button
    function addYandexButton() {
        // Check if button already exists
        if (document.getElementById('yandex-search-btn')) {
            return;
        }

        const query = getCurrentSearchQuery();
        if (!query) {
            return;
        }

        // Create the Yandex button
        const yandexButton = document.createElement('button');
        yandexButton.id = 'yandex-search-btn';
        yandexButton.innerHTML = 'Yandex';
        yandexButton.style.cssText = `
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 9999;
            background: white;
            color: #333;
            border: 1px solid #ddd;
            padding: 8px 16px;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
            transition: box-shadow 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            white-space: nowrap;
        `;

        // Add hover effect for Yandex
        yandexButton.addEventListener('mouseenter', function() {
            this.style.boxShadow = '0 4px 12px rgba(0,0,0,0.25)';
            this.style.transform = 'translateY(-1px)';
        });
        yandexButton.addEventListener('mouseleave', function() {
            this.style.boxShadow = '0 2px 8px rgba(0,0,0,0.15)';
            this.style.transform = 'translateY(0)';
        });

        // Add click event to search on Yandex
        yandexButton.addEventListener('click', function() {
            const yandexUrl = `https://yandex.com/search/?text=${encodeURIComponent(query)}`;
            window.open(yandexUrl, '_blank');
        });

        // Create the Bing button
        const bingButton = document.createElement('button');
        bingButton.id = 'bing-search-btn';
        bingButton.innerHTML = 'Bing';
        bingButton.style.cssText = `
            position: fixed;
            bottom: 75px;
            right: 20px;
            z-index: 9999;
            background: white;
            color: #333;
            border: 1px solid #ddd;
            padding: 8px 16px;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
            transition: box-shadow 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            white-space: nowrap;
        `;

        // Add hover effect for Bing
        bingButton.addEventListener('mouseenter', function() {
            this.style.boxShadow = '0 4px 12px rgba(0,0,0,0.25)';
            this.style.transform = 'translateY(-1px)';
        });
        bingButton.addEventListener('mouseleave', function() {
            this.style.boxShadow = '0 2px 8px rgba(0,0,0,0.15)';
            this.style.transform = 'translateY(0)';
        });

        // Add click event to search on Bing
        bingButton.addEventListener('click', function() {
            const bingUrl = `https://www.bing.com/search?q=${encodeURIComponent(query)}`;
            window.open(bingUrl, '_blank');
        });

        // Add buttons to the page
        document.body.appendChild(yandexButton);
        document.body.appendChild(bingButton);
    }

    // Wait for page to load and add button
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', addYandexButton);
    } else {
        addYandexButton();
    }

    // Also add button when URL changes (for single-page app behavior)
    let lastUrl = location.href;
    new MutationObserver(() => {
        const url = location.href;
        if (url !== lastUrl) {
            lastUrl = url;
            setTimeout(addYandexButton, 500); // Small delay to ensure page is updated
        }
    }).observe(document, { subtree: true, childList: true });

})();