Testiat - FAQ


What is email testing

Email testing screenshot preview is a tool that allows testers to preview an email in different email clients and devices and capture a screenshot of how the email will appear to the recipients. This is particularly important because emails can appear differently in various email clients, and a design that looks great on one device may not look as good on another. The screenshot preview feature allows testers to preview the email's appearance on multiple email clients and devices, including desktop and mobile devices, web-based email clients, and standalone email clients. By capturing a screenshot of the email in different environments, testers can identify and fix any issues that may arise, such as layout problems, broken images, or incorrect formatting.

Images from imgur.com are displayed on EOA Outlook client and on Testi not

Because other services possible predownload images using "chrome user agent" and then replace images in template. Image hosting imgur.com decide if display webpage or display image base on user agent. Outlook desktop use very basic user agent like "Microsoft Outlook 1X' and for some reasosn display HTML pag with embended image.

What is difference betwee EOA, Litmus and Testi@

You can compare features, prices, email clients on: Comparison of Email testing tools page. T@ has no API for users so infrastructure is not so much overloaded. Prices on T@ are fantastic if you can pay 20$ for "browser Testing" then why for email previews you can't pay the same prices?. Our servers has almost 1,5TB of RAM that use enterprise SSD, connected by 10G network. Mobile devices are working in "spare" models when few crash another is replacing them. Using Testi@ is like renting an expensive supercar for a few dollars, it takes almost 3 years to develop and invest a lot of money to give you affordable email screenshot tools.

What do I get with a free email test account?

Only Gmail and Yahoo - Chrome, after 24hours for random project will be generated extra 6 previews: Gmail - Chrome, Outlook - Chrome, Outlook 2007, iPhone SE - iOS 10, iPhone 7 iOS 11, iPad Pro (12.9in) iOS 11.4.

Images are load really slow what happens?

Some ISP in America can have slow routing to Europe during peak hours. Please use: Testi@ cloudflare

How do I pay using my credit card?

After clicking on the “Pay” button, you will be directed to the PayPal website. You can scroll to the bottom of the page and click "Credit card payment" and subsequently pay using your credit card without creating a PayPal account.

How to test Outlook (forwarded emails) ?

After generate screenshot of Outlook 2007-2021 there is small button call (source) that give you Outlok XML -> DOCX code. You can copy this code into ( HTML editor) and test again on non Outlook email clients.

Integration with Email Service Providers

In the settings, copy the address from "Send Email and Test (HTML test):" and send your test email to this address. By clicking on "Connect", you can check that the email has arrived and that the screenshots have been generated, copy an alternative email address in case the first one does not work and read about the daily limits. In the "Project list (JSON or HTML):" section, click on the small HTML link, which is your unique address for viewing active projects without logging in.

When the invoice will be unblocked

The receipts will be generated after the Bank of England has update exchange ratese (USD) from day before

Images are not display only on Outlook

Please search in code for <!--[if mso]> near image tag and check if images tag is not wrapped by condition that display different image for outlook and rest of e-mail clients

How can I check that the image in the email template has fetched correctly?

We use security proxy when downloading images. To be sure if everything is alright, you can do one of the following:
  • For https protocol, please check your images domain using the SSL Server Test. This tool will test all the devices/OS ciphers support.
  • Remember to replace & with "&amp;" in image url
  • Animation gifs are converted into single-frame animation, but not for all email clients. Sometimes, you will see overlap frames in screenshot
  • If you use a protocol-relative URL, you have to replace it with prefix, like https:// or http://, not //example.com as this is not supported by all email clients.
  • http password-protected resources will be displayed as missing images.
  • if image was changed please also change image name or add query string like img.png?V2

How secure are the passwords and E-mail stored?

When you create an account or login, your password is hashed by the web browser using bcrypt. On the server side, password hashes are salted with different heavy usage ram hash algorithms. Email addresses are encrypted with AES, and a random salt per user.

Why are some of the screenshots missing?

This can happen if your content contains some common spam words lorem ipsum or links. If all iOS devices screenshots are missing, this means that the iCloud spam filter has deleted your email. You can use a Spam test tool, to identify any issues. It can be particularly common in in AOL/iCloud/Freenet/Yahoo that emails are deferred even for 20 minutes by email servers when send new fresh email template content.

The email preview was not generated for some email clients. What should I do?

You can try it again using the "Bug" button near the screenshot, the system will choose different working nodes. If the screenshot is still not display, please wait 30 seconds and try to refresh the page sometimes when internet connection is poor images are not loaded. Many times email can be deferred by mail server even for 5 minutes. On Webmail if "profile" icon is red near "Subject" that means the email was rejected on first try

Are there any E-mail height limits?

  1. Apple iOS: ~4.700px
  2. Other: ~14.000px

After these limits have been reached, screenshots will be cut.

Why do some screenshots appear in a different size compared to the own mobile device?

Screenshots are resized to viewport for Apple devices and Android because retina screenshots are way too big (even 500MB each). You can find device resolutions on this page.

Are base64 images supported?

Not all email clients support base64; and is a security issue so all base64 tags are removed same as Javascript

Has some tags been removed from my template?

JavaScript are removed from template as is not supported. You can compare the HTML code between the editor and your original template. If you think a tag was removed by mistake, please contact us. We tested +10,000 emails, and none of them broke the code. If some code was remove it will be replace with :_T@SECIDS%$%% text

My eml file did not convert correctly, how can I prevent this?

We strongly recommend that you use the .eml file from Gmail or Thunderbird. If you use Apple mail, the eml may not convert correctly.

How can I paste my E-mail template into the editor?

  1. If you have an html file, you can simply drag and drop it into the editor.
  2. You can convert an eml file to HTML. All "included" images will be copied to the temporary CDN.
  3. Uploaded zip files need to include the .html file. All images will be attached if the image resource doesn't have a query string in url link.
  4. Upload the image and ensure that names are the same as in template.
  5. Sending E-mail only works when pop-ups are displayed. The "from" address needs to be the same as a text input. If you close the pop-up, you close the socket connection, and any emails that are received in the future will be not added to the editor.





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