Which services are good SEO or SMO?

If you have a new website than definitely you need both for your website ranking & traffic. Both are necessary to promote your website...

Both are important as the traffic point of view

Both are good. Seo provide increase ranking and SMO Provide business Traffic

Both are good for business

SEO & SMO both are necessary for website promotion. As SEO website rank and build good backlinks and SMO helps for branding also to attract traffic to your website. So, the combination of both can lead to better website promotion.

Both are good services for your website promotion.

hey! I think SMO/SMM is a part of "off the page SEO".

both are nice ...SEO improve your ranking and SMO promote your business..

SEO and SMO both are good services for your business website promote.

SEO: Every one know about SEO(SEARCH ENGINE OPTIMIZATION). It is the great way to get great traffic for website or a web page in a search engine's unpaid results -
often referred to as "natural," "organic," or "earned" results.Seo bring traffic and backlinks for website or webpages.
SEO: Traffic+Backlinks

SMO:Social media optimization (SMO) is the use of a number of social media outlets and communities to generate publicity to increase the awareness of a product, brand or event.
SMO: Traffic+

both are improtant ...SEO improve your ranking and SMO promote your business..

Both are important to take your business high digitally. SEO is require to raise your the ranking on Google and SMO for promoting your business on social media.

SEO(Search Engine Optimization): totally base for ranking for website using back link from other sites.
SMO(Social Media Optimization): It help to generate Traffic for our websites.

SEO and SMO both have their own importance for promoting or increasing traffic of any website. So, according to me both are good.