Santiago has been the marketer and site manager for Fix My Car.comfort he past 15 years.He and the developer team have spent much effort improving the user enjoyment of the site.Recently,performance metrics are showing the speed of the site has regressed significantly overtime.Whichlong-term maintenance program can help by limiting certain metrics that affect performance?

The correct answer is Performance budget.A performance budget is along-term maintenance program that helps limit certain metrics affecting site performance overtime.It involves setting specific thresholds or limits for metrics such as page load times,file sizes,and number of HTTP requests.By establishing these benchmarks,Santiago and the developer team can ensure that new features or updates added to Fix My Car.com do not exceed these limits,there by preventing degradation in site speed and performance.This proactive approach encourages ongoing monitoring and optimization to maintain optimal user enjoyment and satisfaction with the website. Implementing a performance budget involves regular checks and adjustments to align with changing technology and user expectations, ensuring that Fix My Car.com continues to deliver a fast and responsive user experience.Therefore,choosing a performance budget as a long-term maintenance program is crucial for Santiago and his team to sustain the improvements made to user enjoyment and overall site performance over the years.