<script>performance.mark('scripts-start');</script>

<script src="https://u.outbrain.com/static/vendor.87b3e412.js"></script>

<script src="https://u.outbrain.com/static/app.10f8627e.js"></script>

<script>performance.mark('scripts-end');</script>

performance.measure('ob_css', 'css-start', 'css-end');
performance.measure('ob_scripts', 'scripts-start', 'scripts-end');
performance.measure('ob_total_page', 'total-page-start'
                    , 'total-page-end');

const measures = performance.getEntriesByType('measure')
    .filter(msr => msr.name.includes('ob_'))
    .map(msr => {
      return {
        name: msr.name,
        duration: parseInt(msr.duration),
        speed: connection ? connection.effectiveType : ''
      }
    });

this.http.post('/performance-benchmark', { measures });