chrome.webRequest.onBeforeRequest.addListener( function (details) { var url_parts = details.url.split('?'); if (url_parts[1]) { return { redirectUrl: url_parts[0] } } }, { urls: [ '*://*.haaretz.co.il/*', '*://*.haaretz.com/*', ] }, [ 'blocking', ] ); chrome.webRequest.onBeforeSendHeaders.addListener( function (details) { for (var i = 0; i < details.requestHeaders.length; ++i) { if (details.requestHeaders[i].name.toLowerCase() === 'user-agent') { details.requestHeaders[i].value = 'Googlebot/2.1 (+http://www.googlebot.com/bot.html)'; break; } } return { requestHeaders: details.requestHeaders }; }, { urls: [ '*://*.haaretz.co.il/*', '*://*.haaretz.com/*', ] }, [ 'blocking', 'requestHeaders' ] );