The effects of Google Ads campaigns stopping for extended periods of time, like multiple days or a week, on bidding algorithms are similar to those of frequent stoppages, but potentially more amplified. Here's how:

1. Exacerbated learning disruption: When campaigns are paused for a longer duration, the learning gap becomes wider, requiring the algorithm even more time and data to catch up and regain its previous performance. This can lead to extended periods of suboptimal bidding and wasted resources.

2. Significant data loss: With extended pauses, the algorithm loses a significant amount of conversion data, which forms the basis for its learning and predictions. This can lead to a more distorted understanding of conversion patterns and trends, further hindering its ability to adjust bids effectively.

3. Resetting campaign performance: In some cases, extended pauses might cause the algorithm to essentially "reset" the campaign's performance data. This can result in starting from scratch with new campaigns, requiring a longer period of inefficient bidding and potentially impacting the overall effectiveness of the campaign.

4. Missed opportunities and seasonality: If the campaign pauses coincide with periods of high potential for conversions, such as seasonal events or promotional periods, the algorithm might miss these crucial opportunities. This can significantly impact campaign performance and overall revenue.

5. Difficulty regaining momentum: After extended pauses, regaining the previous performance level can be challenging for the algorithm. It may require additional adjustments, testing, and optimization efforts to return to the desired level of efficiency.

Additional considerations:

• Bidding strategy: The impact on different bidding strategies varies. For example, "Maximize conversions" might be more affected than manual bidding due to its reliance on historical data.
• Campaign type: The type of campaign can also play a role. Search campaigns might be impacted more due to the dynamic nature of search queries and fast-changing trends.
• Industry and market: The specific industry and market dynamics can influence how significantly extended pauses affect campaign performance.

In conclusion:

While regular short pauses can cause problems for bidding algorithms, extended pauses for multiple days or a week can have even more detrimental effects. These can include significant learning disruptions, data loss, missed opportunities, and difficulties regaining momentum. It's crucial to avoid such pauses whenever possible to ensure optimal performance and achieve desired results.

Here are some tips to prevent extended pauses:

• Choose a realistic budget and adjust it as needed.
• Plan and schedule campaign pauses carefully.
• Communicate billing issues to your Google Ads representative.
• Use campaign drafts to test changes before implementing them.
• Monitor campaign performance regularly and take corrective action when necessary.

By following these practices and being mindful of the potential consequences, you can minimize the impact of pauses on your Google Ads campaigns and maintain optimal performance.