HTTP headers allow the client and the server to pass additional information with the request or the response. A request header consists of its case-insensitive name followed by a colon ':', then by its value (without line breaks). Leading white space before the value is ignored.
<head> contains 4 <style> sections. Total size: 35529 bytes.
<head> contains 3 internal script sections. Total size: 516 bytes.
<head> section doesn't contain a base section.