Keyword Management & Optimization

// Performance-based keyword bid optimization
function optimizeKeywordBids() {
  const TARGET_ROAS = 4.0;
  const MIN_CLICKS = 10;
  const MAX_BID_CHANGE = 0.5; // 50% max change
  
  const keywords = AdsApp.keywords()
    .withCondition('Status = ENABLED')
    .withCondition(`Clicks >= ${MIN_CLICKS} DURING LAST_30_DAYS`)
    .orderBy('Cost DESC')
    .get();
    
  let optimized = 0;
  
  while (keywords.hasNext()) {
    const keyword = keywords.next();
    const stats = keyword.getStatsFor('LAST_30_DAYS');
    const currentBid = keyword.getMaxCpc();
    
    const cost = stats.getCost();
    const conversions = stats.getConversions();
    const conversionValue = stats.getConversionValue();
    
    if (conversions > 0) {
      const actualRoas = conversionValue / cost;
      const bidMultiplier = Math.min(actualRoas / TARGET_ROAS, 1 + MAX_BID_CHANGE);
      const newBid = currentBid * bidMultiplier;
      
      keyword.setMaxCpc(newBid);
      optimized++;
      
      Logger.log(`Optimized: ${keyword.getText()} - Bid: €${currentBid.toFixed(2)} → €${newBid.toFixed(2)} (ROAS: ${actualRoas.toFixed(2)})`);
    }
  }
  
  Logger.log(`Optimization complete: ${optimized} keywords updated`);
}