“However, JavaScript, Java, VBScript and Silverlight all easily could have caused problems, and they should not be discounted as possible culprits for power consumption.”īased on those results, SecTheory wondered if blocking the main culprits of power waste - JavaScript and Flash advertising - might have an affect on overall power consumption. “While other technologies can and did cause power spikes, they caused issues far less often than Flash, making it the least “green” technology we came across,” according to researcher Robert Hansen. According to the research, the biggest drains on power were Flash and AJAX elements on pages, and Flash advertising was the worst offender. Both the browsers and the system were fully patched, and Javascript was on, Java, Flash and Silverlight were installed. Using third party and built-in monitoring tools, SecTheory took a look at the top 100 web sites according to Alexa and monitored their power consumption on the client end, as measured by amperage drawn by the CPU while visiting the site, using both Internet Explorer 7.0 and Firefox 3.0.4 on an average Windows machine. According to new research from SecTheory using Firefox in combination with popular addons like NoScript and Adblock Plus was enough to significantly reduce power consumption.
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