10 top tips for HTML email development

Whether you like it or not, HTML email marketingImage of email in web-mail client (Thunderbird) –
campaigns are a core requirement for any successfulnotice that even with the images turned off the
email marketing program.email still reads well, with the headline drawing you
An email campaign can boost a companies revenueinto the main content of the email. Simple design, yet
by millions of pounds, for example over thisto the point and easy to read, effective.
Christmas period how many do you think you will
receive from your favourite brands – electronics,7. CSS SUPPORT IN EMAIL CLIENTS
music, etc?Enter The email standards project 
Email marketing is a cheap and successful onlineThese guys have taken the email design issue by the
marketing method. Cheap in relation to posting outscruff of the neck and are actually getting Yahoo,
printed flyers to every recipient. And successful byGmail, Outlook to take notice of the need for Email
being able to measure the success of every emailstandards compliance.
campaign, tracking every open time and read timeCurrently we grade the email clients in the following
for each email. HTML emails done correctly, offer away:
better conversion rate, and people choose HTMLThe Angel’s Choir:
over plain text format more often.Strong and generally reliable HTML rendering
So, here's a list to help all email marketers andcapabilities – Thunderbird, AppleMail, and Opera
designers create the perfect email, and make sure itMail
appears as you intended on your customersYou can essentially treat these mail clients as if they
computers. If you feel I’ve missed anyare normal, modern browsers.
important ones, feel free to leave a comment.The Muddlers:
Make no mistake, HTML email design andThis group includes the majority of the remaining mail
development is a complete minefield. There are veryclients and includes Outlook 2003, Outlook Express,
few rules that you can rely upon across all mailand Yahoo Mail.
clients. Let’s do this:While you’ll probably encounter some variability in
1. USE INLINE CSS + TABLEStheir renderings — often in text size and margins
External and internal style sheets are ignored by apadding – the Muddlers will generally honour your
number of email clients. Back to the old school withpage layout.
tables too. Yes, it means going back to 1999 coding,The Legion of Doom:
and does make the code heavy, but it means youEach uses their own unique but evil super-powers to
can guarantee locking down the styles to be correctsubvert and destroy your HTML
in the ‘majority’ of email clients.Outlook 2007, Gmail, Lotus notes – rewrite CSS,
2. EMAIL TEMPLATESpadding/margins, no positioning support, removes
Unless you have extensive personal experience tobackgrounds.
draw on,you’re most likely going to want start8. TESTING
with a template that gets most of the fundamentals
right. Save yourself some time, get some inspirationUse which sends back how your email looks on the
and free templates here:following email clients:
- carbon graffitiWeb-based email clients
- campaign monitor gallery* AOL Web
3. USE ABSOLUTE DIMENSIONS* Comcast
In pixels for all measurements. For example, give* Earthlink
images and tables exact pixel dimensions – so the* Gmail
browser knows exactly how to display it. Email clients* * MSN Hotmail
are not as forgiving as web browsers.* Windows Live Hotmail
4. THE DESIGN* Yahoo! Classic
The width of the email design to be no more than* Yahoo! Mail
600 pixels wide, so the full width of the email can beDesktop email clients
seen in the view port in email preview mode.* AOL 9
5. ACCESSIBILITY* Lotus Notes 6.5.4
Make sure it is readable, with images turned off does* Outlook 2003
the email make sense? By default images are not* Outlook 2007
displayed in most email clients (unless you have* Outlook Express 6
added the address to your contacts), also not* Outlook XP
creating the best look for your company.* Thunderbird
Image of email in web-mail client (Gmail) – notice* Windows Mail (actually, what is that?)
that the email doesn’t make much sense withMobile email clients
the images turned off? This can be improved by* Blackberry
adding copy to the ALT attribute in the html code:* Windows Mobile 5
* Windows Mobile 6
- Use Alt attributes - en.wikipedia.org/wiki/alt9 . THE FUTURE
- Use anchor link as well to take people to importantAt various sites there are thousands of new
subheadings in your emailsubscribers to html newsletters every single month.
- Last resort – have a prominent link toAnd those subscribers still always choose HTML over
your web version of the same emailplain text at a rate of 15-20 to 1. In short, while we
6. FANTASTIC COPYWRITINGmight not like it, your clients probably prefer HTML
Attention grabbing headlines that will make usersemail, and so does their audience.
want to read more and click through. The attention10. STICK WITH IT
grabbing information should be already visible in theUse the templates, HTML formats are here to stay
viewport area when the email loads, very few peopleso remember to keep it simple as possible, and test
will scroll – like on web pages unless they like theearly and often.
information, drawing them down the page.