Traffic Ranks are updated daily. A site's ranking is based on a combined measure of Unique Visitors and Pageviews. Unique Visitors are determined by the number of unique Alexa users who visit a site on a given day.
The /robots.txt file to give instructions about their site to web robots; this is called The Robots Exclusion Protocol. The "User-agent: *" means this section applies to all robots. The "Disallow: /" tells the robot that it should not visit any pages on the site.
Initially I did not think that my micro niche site would do very well in a short ... As you can see there are some ups and downs in some weeks and days
Domain authority is one of the main factors that define how well your website will rank in search engines. In the “old days”, a website was weighed based on its page-rank. Now, domain and page authority play a major role in the ranking of any domain.