3rd Partiesthe story of a villain

simon.hearne@nccgroup.com

the goal

the budget?

marketing

what is lurking on your site?#Requests by

Domain

what is lurking on your site?#Requests by

Domain

CPU @ ~100% for 7 seconds of 3rd party JS!

device equality?

==

CPU time is not guaranteed

what’s the risk?

what’s the risk?

0 10 20 30 40 50 60 70 80 900

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SpeedIndex

Mean download time for objects from nexus.ensighten.com

Mean

tim

e w

hen

nexu

s.e

nsig

hte

n.c

om

ob

jects

are

load

ed

so what?

we’re using more of them

finding the villains

finding the villains

SPOF

how to find the villains

SLOW

how to find the villains

WHAT WHY WHO

a solution?

…provides independence of the marketing teams from the technical team… ”

“

a solution?

Google Tag ManagerQuBit OpenTag

TagManAdobe TagManager

BrightTagTag Commander

SiteTag

or a new problem?

fullyLoaded loadTime visualComplete SpeedIndex kBIn render0

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Adobe TagManagerQuBit OpenTagGoogle Tag ManagerTagMan

or a new problem?

Render Start

Average GTM AdobeTagManager TagMan QuBit0

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or a new problem?

Average TagMan QuBit AdobeTag GTM0

50

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Number of Objects

GTM

QuBit

Average

going deeper

know what you’re measuring

1 2 3 4 5 6 7 80

10

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Public

Private

PA

measure often (monitor)

maintain control

https://www.igvita.com/2014/05/20/script-injected-async-scripts-considered-harmful/

maintain control

https://www.igvita.com/2014/05/20/script-injected-async-scripts-considered-harmful/

maintain control

https://www.igvita.com/2014/05/20/script-injected-async-scripts-considered-harmful/

3rd Party Performance

- immunise your site- mitigate the risk

- educate your colleagues(or take control)

- measure- monitor (ALL the time) simon.hearne@nccgroup.com

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