Depending what you are looking for...
on the above screen looks like you are inserting meta tags.
There are some options to set default meta tags in EB config.xml file.
Also take a look into RegEx in the config that could do some potential replace/insert tags and other hacks.
You can achieve the same in Enterprise Browser upcoming release.(v1.3)
Please refer to the Enterprise Browser 1.3 DOM Injection Guide.