| onsite seo | See On-Page SEO |
| serp volatility | SERP Volatility stands for ranking fluctuations. Variation in the algorithmical SERP may occur due to changes in the content of a ranking page, the number of inbound links pointing to that page, the competitiveness of a given keyword or niche, etc. This fluctuations may appear even daily or hourly. |
| shopify seo | An online store platform |
| webinar | An online seminar broadcast by an individual or company, typically with the intention of educating attendees on a specific topic. Webinars may consist of slides, video, audio, or all three. |
| extensible hypertext markup language | XHTML extends HTML to include XML formatting. |