How to Add Social Media Icons to an Email Signature
Enhance your email signature by adding social media icons. Discover step-by-step instructions to turn every email into a powerful marketing tool.

Choosing the right influencer isn't just about their follower count, a huge number means nothing if their audience doesn't actually care about what they post. The real measure of a successful partnership lies in authentic engagement and a genuine connection with an audience that aligns with your brand. This guide will walk you through exactly how to analyze an influencer's performance, helping you spot red flags, vet potential partners, and invest your marketing budget with confidence.
Often, the first thing an influencer will send you is a media kit or "headsheet." This is essentially a resume that highlights their best work, follower count, and a few cherry-picked performance metrics. While a professional media kit is a good sign, relying on it entirely is a common mistake for a few reasons:
Think of a media kit as a starting point, not the finish line. Your job is to independently verify a creator's analytics to get the full, unvarnished picture of their influence.
Instead of getting fixated on follower count, it's time to shift your focus to the analytics that truly reveal an influencer's effectiveness. Here are the core metrics you should always check.
Engagement rate tells you what percentage of an influencer’s audience actively interacts with their content through likes, comments, shares, and saves. It’s the single most important metric for gauging audience loyalty and connection. A low engagement rate often signals a passive audience or a high number of fake followers.
There are a few ways to calculate engagement rate, but here’s a common and simple formula for an individual post:
((Total Likes + Total Comments) / Follower Count) * 100 = Engagement Rate %
For video content like Reels or TikToks, you might also include shares and saves, as these are strong indicators of audience interest.
This is the tricky part - there's no universal "good" benchmark. It varies widely by platform, niche, and follower size. However, here are some general guidelines for Instagram:
Remember, an influencer with 1 million followers will naturally have a lower engagement rate than an influencer with 10,000. Look for consistency across a creator's recent content rather than fixating on a single number.
This is non-negotiable. It doesn't matter if an influencer has a 10% engagement rate if their followers are in a completely different country or age group than your target customer. You need to confirm that their audience matches yours.
Request explicit data on:
These analytics are only visible to the creator on the backend of their account. A legitimate influencer should have no problem providing a screenshot or a screen recording of this data.
These two metrics are often confused but tell different stories about who is seeing the content.
Impressions will almost always be higher than reach because a single person might see the same post multiple times (in their feed, on an Explore page, or if a friend shares it with them). For Instagram Stories, you should look at the average number of story views. This is a very pure indicator of how many of the influencer’s most dedicated followers actively watch their daily content.
A healthy, growing account is a sign of a creator who is consistently producing content that resonates. Sudden, massive spikes in followers can sometimes be a red flag for purchased followers. Legitimate follower growth usually looks like a steady, upward trend over time.
Ask a potential partner for a screenshot of a 30-day or 90-day follower growth chart from their native analytics. Steady growth is what you want to see, not overnight jumps followed by steep drop-offs.
Now that you know what to look for, here are three methods for gathering and checking this information, ranging from direct outreach to using paid tools.
The most straightforward method is to simply ask. Professional creators who are confident in their performance will gladly share this information. The key is to be specific and professional in your request.
Instead of just saying "send us your stats," try a clear and courteous approach like this:
Hi [Influencer Name],
My name is [Your Name] from [Your Company]. We're big fans of your content, especially [mention a specific post you liked]. We are currently looking for creators to partner with for our upcoming [Campaign Name] and think you could be a great fit.
In our initial vetting process, we ask for a couple of performance metrics. Would you be open to sharing a few up-to-date screenshots from your native analytics showing the following?:
To help us move quickly, a brief screen recording walking through these sections would be fantastic. Looking forward to hearing from you!
Best,
[Your Name]
Notice the request for a screen recording. This is the gold standard for verifying data, as it proves the analytics are coming directly from their live account and not from a doctored screenshot.
If you're managing a larger influencer program, investing in a third-party tool can save you an immense amount of time and provide a more objective layer of analysis. These platforms pull data directly via APIs or use advanced algorithms to estimate performance.
Even without tools or direct access to a creator's analytics, you can learn a lot by doing a bit of manual detective work. This is a great way to quickly prescreen potential partners before reaching out.
The comment section is where you’ll find the clearest evidence of an authentic community. Look for:
Red Flags: 🚩
Green Flags: ✅
If an influencer with 50,000 followers only gets five comments, and all of them are one-word answers, you're likely looking at an unengaged or partially fake audience.
Finally, move past the numbers and qualitatively assess the influencer's brand. Are they committed to their niche? Is their content high-quality? Do they post consistently? An amazing analytics profile means nothing if the influencer's vibe, values, and visual style don’t align with your brand. The best partnerships feel authentic because they are authentic.
Checking influencer analytics is more than just a background check, it's a strategic process for making informed marketing decisions. By moving past simple follower counts and digging into engagement rates, audience demographics, and performance trends, you can partner with creators who actually connect with the right audience for your brand and deliver measurable results.
As you build a program with several awesome content creators in your corner, reporting becomes more important and time-consuming. At Postbase, we built our analytics dashboard to give you a clear, centralized view of what's working across all your social platforms. You can easily track your native campaign posts' performances or see which content pillars resonate and create reports that share that data clearly with your team - you'll never have to manually take screenshots again.
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