{% if site.extra_footer_js %}
{%- for extra_js in site.extra_header_js -%}
{%- assign starts_with = extra_js | slice: 0,4 -%}
{% if starts_with == "http" %}
{%- else -%}
{%- endif -%}
{%- endfor -%}
{% endif %}
{%- if site.tracker -%}
{%- if site.tracker.google_analytics -%}
{%- include google-analytics.html -%}
{%- endif -%}
{%- if site.tracker.cnzz -%}
{%- include cnzz.html -%}
{%- endif -%}
{%- endif -%}