1. Backlink: A link from another website pointing to your website. Backlinks are an important factor in SEO as they can improve your website's authority and visibility in search engine rankings. 2. Black Hat SEO: Unethical SEO practices that aim to manipulate search engine rankings. This can include keyword stuffing, link spamming, and other tactics that violate search engine guidelines. 3. Canonical URL: The preferred version of a URL that search engines should index. Canonical URLs help prevent duplicate content issues and consolidate link equity. 4. Crawling: The process by which search engine bots discover and index web pages. Crawling is an essential step in getting your website to appear in search engine results. 5. Domain Authority (DA): A metric developed by Moz that predicts how well a website will rank on search engine results pages (SERPs). DA ranges from 0 to 100, with higher scores indicating a greater likelihood of ranking well. 6. Keyword Density: The percentage of times a keyword appears in relation to the total number of words on a web page. Keyword density is a factor that search engines consider when determining the relevance of a page to a specific search query. 7. Meta Description: A brief summary of a web page's content that appears in search engine results. Meta descriptions can influence click-through rates and should be concise and compelling. 8. Organic Traffic: Traffic that comes to your website from unpaid, organic search engine results. Organic traffic is driven by search engine optimization efforts rather than paid advertising. 9. PageRank: An algorithm developed by Google that measures the importance of web pages based on the quantity and quality of links pointing to them. PageRank is no longer publicly available but still influences search engine rankings. 10. SERP: Acronym for Search Engine Results Page. SERPs display the results of a search query and typically include paid advertisements, organic search results, and other features like featured snippets and knowledge panels. 11. Title Tag: An HTML element that specifies the title of a web page. Title tags are displayed as the clickable headline in search engine results and should accurately reflect the content of the page. 12. White Hat SEO: Ethical SEO practices that focus on improving a website's visibility and rankings through quality content, user experience optimization, and adherence to search engine guidelines. White Hat SEO aims to provide value to users and build long-term, sustainable rankings.