Will adding new tags to my website cause technical problems?Follow

Not at all.
Tags can be deployed simply and quickly by adding a small piece of code to your website. We have an average latency of just 185ms globally (including network latency) so the code will not interfere with load speed or performance in any way. Plus, our tag loads pixels asynchronously, so it will not block the loading of the page even if the pixels fail to load completely.
Asynchronous loading is much faster than synchronous loading because browsers don’t have to stop and execute each individual JavaScript when loading the page content. When using asynchronous loading the browser will load and execute scripts in the background and continue loading the rest of the page content at the same time. Synchronous loading, on the other hand, means that JavaScripts load together with other content in a queue like fashion, thus adding to the loading time. The JavaScripts have to be executed along the way, which is why we don’t use synchronous loading for our JavaScript components
Tag Volumes
Being async means that even if we are firing multiple tags the load time is not significantly effected. This means that the difference between one tag and multiple tags firing is minimal. Below are the expected tag volumes that you will see when deploying our tags across your website.
Our standard Audience Analytics Tag (AAT) will only produce one tag call per page load. 
Our Basket Event Tag will fire every time a basket event happens e.g. if a customer adds 10 items then our Basket tag will fire each time - once per action.
The VisualDNA Ecommerce and Conversion Tags will fire tags based on the amount of products that are purchased. If a customer purchases a basket with x5 products then 5 product pixels will fire regardless of whether they are 5 identical products or 5 unique products. There is also a transaction summary pixel that will fire once in order to summarise the total of the product pixels.
Email & Postcode Sync Pixels will fire (where agreed) every time an email or postcode is submitted by a user on your website. In some instances more than one sync pixel may fire depending on how many partners are receiving the information for syncing. e.g. if you have 2 or 3 syncing partners that expect to receive the value then you will see 2 or 3 pixels firing. 
The sync tags will fire once per unique user. Once they have fired once for that user they will not fire upon a visit again, until the user visits the site again, 30 days after the initial visit. This is because the cookie lasts for 30 days.
We also have Custom Event Tags that will fire when a certain click based action happens. This tag will fire each time this event is triggered.
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