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How Tags Impact Website Performance And How To Optimize It

How Tags Impact Website Performance And How To Optimize It

4 min read
August 7, 2023

Out of the total websites in the world, more than 40% are built using WordPress. That’s a huge number for any CMS platform and hence, there is a great chance that your website is built using WordPress. Also, you probably use the WordPress Contact Form 7 plugin for your website's contact us form.

So tracking of WordPress contact form 7 is extremely important.

We will show two ways to track WordPress contact form 7

  • Traditional Google tag manager way that would take a lot of time.
  • and Tagmate way! ( No Code set up and fast way) 😲
Key Takeaways
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Every detail matters for digital native businesses- especially when it comes to optimizing the performance of your website. One such detail, often overlooked yet holding immense significance, is the use of website tags. Tags, ranging from tracking pixels to JavaScript snippets, are embedded into a website's code to perform a multitude of functions. They collect crucial data, track user activity, deliver targeted advertising, and customize site experience, forming the backbone of most digital marketing strategies.

However, as powerful as they are, tags can be a double-edged sword. They can provide invaluable insights into user behavior and marketing effectiveness, but at the same time, they can also impact the performance of a website, affecting load times, user experience, and ultimately, the bottom line. Given the ever-increasing emphasis on site speed and user experience, it's vital for marketing analysts and digital strategists to understand the impact of tags on their website performance.

The aim of this article is to delve deep into this complex and often misunderstood topic. We will explore the world of tags, their role in digital marketing, and how they influence website performance. We'll also uncover how to effectively manage and optimize tags to minimize their performance impact while maximizing their utility. This article will serve as a comprehensive guide for expert marketing analysts seeking to quantify the website performance impact of tags.

In this article, we aim to demystify the often intricate dynamics of tags while maintaining the depth of technical language that is integral to the topic. By the end of this article, you will have a thorough understanding of how tags can make or break your website performance, and how to harness their power effectively. 

Let's dive in.

Understanding Tags

Before we dive deep into the intricacies of how tags impact website performance, it is important to set a strong foundation by understanding what tags are and the role they play in digital marketing.

Definition and Purpose of Tags

A tag refers to a snippet of code that is embedded into a website. These tags serve as a conduit, collecting information and sending it to third parties, usually digital marketing services. The information they gather can range from user behavior, such as what pages are visited, to more technical data like loading times or bounce rates.

Despite their seemingly complex nature, the purpose of tags is straightforward. They are designed to collect, track, and analyze data. This data is then used to generate actionable insights about user behavior, website performance, and the effectiveness of marketing strategies.

Role of Tags in Digital Marketing

In the world of digital marketing, data is the compass that guides marketing strategies, enabling businesses to understand how people interact with their site, track user information for remarketing efforts, and measure the effectiveness of their campaigns. This is where tags come into the picture.

Tags are the foot soldiers of digital marketing, doing the groundwork of collecting and tracking the data that fuels these insights. Whether it is an analytics tag like Google Analytics that helps you understand how users interact with your site, or advertising tags that serve targeted ads based on a user's browsing history, tags are integral to digital marketing.

Furthermore, it's not uncommon for a website to have multiple tags running simultaneously. These could range from advertising tags and analytics tags to social media tags and conversion tracking tags. Each of these tags serves a unique purpose and contributes to the broader digital marketing strategy.

However, while tags are a potent tool for digital marketers, they also introduce an element of complexity when it comes to website performance. Each tag added to a site represents an additional HTTP request, which can impact page load times. As we'll explore in the following sections, this can have far-reaching implications for user experience and overall website performance.

In essence, tags are essential tools in the arsenal of digital marketers, offering a way to collect valuable data and gain insights into user behavior. However, it is crucial to manage them effectively to balance their benefits against their potential impact on website performance.

Impact of Tags on Website Performance

Having understood the significance of tags in the digital marketing landscape, we must now turn our attention to a critical aspect that cannot be overlooked - the impact of tags on website performance.

Influence of Tags on Site Performance

Tags, despite their benefits, carry with them a certain degree of overhead that can influence the performance of a website. The root cause of this lies in the way tags operate. Each tag introduced to a site necessitates an additional HTTP request to a third-party server, which can increase the load time of a page. To compound this, the response time of the third-party server to which the tag makes a call can further add to your load times.

In theory, adding a single tag may not significantly impact site performance. However, in practice, websites often utilize multiple tags, with some sites running as many as 20 or more tags at a time. This accumulation of tags can dramatically affect site performance in several ways, including poor tag design, slow response time from collection servers, tag placement, and the sheer number of tags accumulated on pages. As a result, the latency introduced by tags can heavily influence page speed, which is a key factor in user experience and search engine rankings.

Real-world Statistics: The Numbers Behind Tags and Performance

To quantify the impact of tags on website performance, we turn to some hard numbers. According to a study by Pingdom, the average load time of sites with tags was found to be 9.46 seconds, in contrast to just 2.69 seconds when tags were disabled. This suggests that tags increased the average load time of sites by a staggering 6.77 seconds.

Furthermore, the study found that the average site had 43 trackers, with a significant number of sites loading with 30 to 49 trackers. Most of these tags served to deliver targeted ads based on a user's browsing history, while a smaller percentage was dedicated to analytics trackers.

These statistics underscore the tangible impact tags can have on website performance. While they provide valuable data and insights, their use must be balanced against their potential to degrade website performance and user experience.

In the next section, we will delve into strategies for managing tags effectively to minimize their impact on site performance. This involves understanding how tag management systems work and how they can help streamline the process of integrating tags into your site.

Advanced Techniques to Minimize the Negative Effect of Tags

As we've discussed, tags, while crucial for digital marketing, they do introduce some performance challenges. However, all is not lost. There exist a number of advanced techniques that can be employed to minimize the effect of tags on website performance. These strategies can help optimize tag loading and page performance, contributing to an overall improvement in site speed and user experience.

Tag Loading & Page Performance: Perceived Load Time vs Actual Load Time

The first consideration is the way in which tags load on a page. Two metrics to keep in mind are perceived load time and actual load time. Perceived load time is the time it takes for a page to appear loaded to a user, while actual load time is the time it takes for all elements of a page (including tags) to fully load. By optimizing the loading sequence of tags, we can often improve the perceived load time, even if the actual load time remains the same.

Asynchronous Loading

Asynchronous loading is a technique that allows tags to load independently of other elements on the page. This means that even if a tag takes longer to load, it will not delay the loading of other page elements. This can significantly improve perceived load time and enhance the overall user experience.

Client-Side Tagging with Multi-CDNs

Client-side tagging with Multi-Content Delivery Networks (CDNs) is another technique to enhance site performance. CDNs are networks of servers that are used to distribute the delivery of web content. By implementing client-side tagging with multi-CDNs, you can ensure that tags are loaded from the closest or fastest server, thereby reducing load times.

Server-Side Tagging

Server-side tagging can significantly enhance website performance by improving loading speeds and reducing client-side requests. By shifting the bulk of tag processing to the server, the client browser is unburdened, potentially boosting page load times—a benefit that can be particularly noticeable on less powerful devices like smartphones. Additionally, by moving requests from the client to the server, the total number of HTTP requests made by the client can be reduced, further enhancing load speeds. It's important to note, however, that the actual impact on performance will depend on various factors, including the specific implementation and the nature of the website.

Read our blog on benefits of server-side tagging.

Script Compression (gzip) and Bundling

Script compression using tools like gzip, along with bundling, can help reduce the size of tag scripts, thus reducing the amount of data that needs to be loaded. This can lead to faster load times and improved site performance.

Conditional Loading

Conditional loading involves loading tags only when certain conditions are met. For instance, certain tags could be set to load only when a user interacts with a specific element on the page. This helps reduce the number of tags loaded at initial page load, leading to faster load times.

Reduced Page Weight

Reducing the overall page weight, including the weight of tags, can help improve load times. This can be achieved by optimizing images, reducing the number of elements on a page, and using techniques like script compression and bundling.

Fewer DNS Lookups

Each tag on a page requires a DNS lookup to resolve the domain name to an IP address. By reducing the number of tags or by using a tag manager that consolidates requests, you can reduce the number of DNS lookups and thereby improve load times.

Intelligent Cache

Intelligent caching can help improve load times by storing a version of the tag script on the user's device. This means that the script does not need to be loaded each time the user visits the page.

By implementing these advanced techniques, we can strike a balance between the essential role of tags in digital marketing and the need for optimal site performance. In the next section, we will explore the role of tag management systems in achieving this balance.

The Need for Efficient Tag Management

Having delved into the potential impact of tags on site performance and the techniques to mitigate these effects, it's evident that managing these tags efficiently is paramount. This is where tag management systems (TMS) come into play.

The Problem with Disorganized Tags

Consider the case of major news organizations like the New York Post and Houston Chronicle, which rely heavily on user data to inform their digital marketing efforts. As these sites demonstrate, adding one tag to a page may not be a cause for concern, but when you're dealing with dozens of tags, as they are, the scenario changes. Managing a large number of tags can lead to a disorganized and inefficient system, with each new tag requiring an additional HTTP request and increasing the load time of the website.

Moreover, any change to the tags requires the developers to make updates to the web page. This can cost hours of development time and result in pushback when marketing teams ask for new tags. The outcome? A frustrated marketing team waiting for tag edits and developers wrestling with the latency that tags introduce while costs continue surging.

The Solution: Tag Management Systems (TMS)

A TMS addresses these issues head-on by providing a streamlined and efficient method for managing tags. As its name suggests, a tag management system facilitates the management of the lifecycle of e-marketing tags, which are used to integrate third-party software into digital properties.

There are two main benefits of using a TMS:

  1. They allow you to add, edit, and manage all your tracking tags from a single point-and-click interface, without having to manually edit your source code. 
  2. They take all your tags and condense them into a single JavaScript request, which is loaded asynchronously in the background. This allows the rest of your site to load independently of the response outcome.

Role of TMS in Speeding Up Page Load and Managing Tags

A TMS can dramatically enhance page speed. By using only one JavaScript code snippet to load all your tags, a TMS significantly reduces the number of requests your pages make to third-party servers. Moreover, the snippet is loaded asynchronously, meaning it won't interrupt or slow down the loading of your site.

Furthermore, a TMS presents a more efficient way to manage tags. It allows you to add, edit, and remove tags quickly and easily, without the need to continually edit your site’s source code. This is particularly beneficial if you're developing sites for clients or if you manage your own site and want to quickly update tags.

Lastly, a TMS gives you greater and faster control over problem tags. Tags can experience errors from time to time, which can affect key functionality on your site. With a TMS, you can quickly identify and fix problematic tags, minimizing any potential disruption.

Thus, the incorporation of a TMS is an essential step in managing the performance impact of tags on your website. In the following section, we'll delve into the process of quantifying this impact and how you can measure the success of your tag management efforts.

Limitations Of Tag Managers

While tag managers, such as Google's Tag Manager 360, play a crucial role in balancing marketing needs with website performance, it's important to note that these tools are not without limitations. As we strive to optimize our digital platforms, understanding these constraints and navigating through them is essential.

Understanding The Limitations

Tag managers are designed to streamline the process of managing various tags on a website, reducing latency and enhancing site speed. However, these systems are not a magic bullet for all performance issues. 

Firstly, tag managers themselves require a tag to be inserted into the site, adding another HTTP request and thus contributing, albeit minimally, to the overall load time. 

Secondly, while tag managers do consolidate all tags into one JavaScript request, they don't eliminate the need for third-party servers altogether. Each tag will still need to communicate with its respective third-party server, which can result in latency if that server responds slowly. The performance of your website is still, to a certain extent, at the mercy of these third-party services.

It is noteworthy that while helping manage and control the tags on your website,tag managers don’t actually reduce the overall amount of data being processed and transferred. 

If your site has a large number of tags, the sheer volume of data can still impact site speed and performance.

Thus, we can conclude that tools like tag managers which are designed to simplify the process of managing tags come with a learning curve and you still need to gain expertise for using them to their fullest potential. If you don’t understand their underlying dynamics, chances are, you will end up with unexpected challenges and mistakes, ultimately sabotaging your site's performance and data collection.

Ways To Navigate Through the Limitations Of Tracking Tags

Having gone through the limitations of existing tag management solutions, we don’t need to lose hope. In fact, there are time-tested ways aka workarounds to continue getting the benefits of tag managers while limiting their negative impact.

Firstly, you should always be mindful of the total number of tags you are adding to your site. No matter what strategy you use, each tag still contributes to the overall page load time and data volume. Therefore, your number one priority should be to use only the necessary tags that provide significant value to your website and marketing efforts.

Next, you must optimize all the tags and continuously audit to find any leaks in your strategy. From practical experience, you will be able to figure out that some tags may be more efficient than others in terms of the data they collect and the server responses they require. Thus, keep researching and choose your tags wisely, aiming for those that offer the most value with the least impact on performance.

Additionally, it is always recommended to leverage the asynchronous loading feature provided by tag managers. By loading tags in the background, you allow the rest of your site to load independently, improving perceived load time and overall user experience.

Last but not the least, invest some time in learning how to effectively use your chosen tag manager or seek help from professionals or specialists. With proper understanding and usage, the benefits of tag managers can significantly outweigh their limitations and tools like Tagmate will help you do so at a fraction of the cost and time.

While tag managers do come with certain limitations, understanding these and implementing strategies to navigate through them can help maintain a balance between your site's marketing needs and performance. With careful tag selection, optimization, and effective use of tag managers, you can harness the power of digital marketing without compromising your site's performance.


We've uncovered a number of key insights that can help businesses and developers alike strike a balance between digital marketing needs and website performance through this extensive guide on tags and their impact on website performance. 

Despite playing  a pivotal role in digital marketing by tracking user behavior and delivering targeted advertising, each tag potentially adds latency and slows down page load times

We've gone through real-world statistics that imply the negative performance impact of tags. The average load time for sites with trackers was found to be 9.46 seconds which when compared to a website with disabled tags was a mere 2.69 seconds . This stark difference remarkably validates the importance of managing and optimizing tags so as to ensure they don't unnecessarily burden site performance.

We also discussed advanced techniques such as asynchronous loading, script compression, and intelligent caching, which can help reduce the performance impact of tags. But perhaps, using a Tag Management System, like Google's Tag Manager, is the most powerful tool at our disposal. 

These systems streamline the process of managing tags, reduce HTTP requests, and enhance site speed. However, it's crucial to understand their limitations and effectively, the need for technical expertise to use them.

As the economies turn increasingly digitized, the need for data-driven decision-making will only increase. This means that the number of tags used on websites is likely to grow, amplifying the potential for performance impact. The challenge will be to keep pace with these changes, continually adapt our strategies, and ensure that our digital platforms deliver the best possible experience to our users. 

Want to maximize your website performance with hard smart work?

Try Tagmate for free now!

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