As I had a look at your website, it was looking good.
Can we write this by email?
I vote for a simpler and more immediate approach. Since the appearance of a website is an ongoing process, why not express the compliment in the present tense: I had a look at your website; it looks great. ": As I had a look at your website, I can tell you it was looking good.
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I vote for a simpler and more immediate approach. Since the appearance of a website is an ongoing process, why not express the compliment in the present tense:
I had a look at your website; it looks great.
If something changed and you only want to address how the site looked in the past, and if you're attached to "As I had...":
As I had a look at your website,
kumenglishAs I had a look at your website, it was looking good.
It means that I looked at your website and that caused it to look good.
Can you do that to a website?
I looked at your website. It is very nicely done.