Want To Harry Roberts (@csswizardry) • AB Testing, Ads & Other 3rd Party Tags Andy Davies (@andydavies) • Performance Audit (Live) Tim Kadlec (@tkadlec) • Raiders of the Fast Start Katie Sylor-Miller (@ksylor)
3000) </script> <script src="https://myadprovider.com/" onload="showBody()" onerror="showBody()" importance="high" async> </script> </head> <body style="display:none"> ... </body> when the script loads/fails: show the body hide the whole body after 3 seconds: show the body regardless
really how your third parties are used • Work with what you’ve got and optimise • Assume third parties will burn you • Protect yourself • Work with them for the better of the whole web