There are many critical factors that email marketers must go through to optimize the deliverability of their emails. From spam filters and sender reputation to blacklists and wake words, they should consider it all. However, there are other important factors, such as email size and load speed, that are often overlooked when it comes to email deliverability. The size and speed of your email play an important role in deciding whether or not it reaches the customer’s inbox. While an email file size of 15KB to 100KB is good for deliverability, the average load speed of less than 2 seconds on desktop also makes for good email deliverability.
However, for 3G, 4G, and LTE connections, it’s less than 4.3 and 2.5 seconds, respectively. So, make sure you follow the figures mentioned above to reach your subscriber’s inbox. Here’s everything you need to know about it. Factors Affecting Email File Size Attachments Attachments are encrypted files that do not affect the size of the email body. Generally, the France B2B List email limit includes all attachments. A large attachment can be recognized as a potentially harmful item, which is why your email will be sent to the spam folder. Therefore, make sure your attachments do not exceed the 10MB size limit along with an individual attachment size of no more than 2MB.
Consequently, You Can Optimize
It by uploading the necessary files to the cloud and placing a link in your email. It will even increase your click and open rates. Pictures Choosing the right image is another critical factor that affects email file size. As mentioned above, the most secure email file size is less than 100kb. Also, you should be aware that increasing the email file size by even one KB can turn your email into spam. It doesn’t matter if your email file size is 500KB or 105KB, the spam filter will catch it anyway. According to a study by CheetahEmail, if you send emails to webmail providers like Apple Mail, Outlook, Google Apps, Yahoo, Gmail, AOL, etc., it’s critical to keep your email file size under 100KB.
Here’s how you can optimize your images for email. Opt for images in .png format instead of .jpg format. The .png format has the ability to optimize images by making them light without affecting their quality. Do not put a single image in your email without text. Since bots and programs that are responsible for verifying content cannot read images, spammers prefer large images as a container for text. So if your email has images without text, the chance that it will land in the spam folder increases. Using 50/50 or 60/40 of a text to image ratio can help you do what you need to.
Coding MIME i.e. Multipurpose Internet
Mail Extensions extends the email format to support text in character sets, without text attachments such as audio, images, etc. (SMTP) in MIME format. These MIME-encoded messages add a whopping 33% to the size of the email. So you need to keep this in mind when encoding a multipart email. Apart from the factors described above, things like message headers, signatures, and formatting, etc. also greatly affect the size of the email file. Factors Affecting Email Download Speed Including a large number of images With each image you include in an email, a separate request is sent to the server. As a result, the download speed of the email decreases. So instead of adding lots of images, choose things like styled text, CSS triangles, Unicode characters, etc.