Que-What is Crawler or spider or boat ?
Ans- A web crawler (also known as web spider) is a program which browses the or visit the World Wide Web Page in a methodical, automated manner. A web crawler is one type of bot. Web crawlers not only keep a copy of all the visited pages for later processing - for example by a search engine but also index these pages to make the search narrower.
Que-What is Page Rank ?Ans-Page Rank is a link analysis algorithm, by the Google Internet search engine, that assigns a numerical weighting to each element of a hyperlinked set of documents.PageRank relies on the uniquely democratic nature of the web by using its vast link structure as an indicator of an individual page’s value.It is depend on no. of inbound and no. of outbound link. The numerical weight that it assigns to any given element is referred to as the Page Rank denoted by PR from o to 10 .
Que-What is Index ?Ans-In database design, a list of keys (or keywords), each of which identifies a unique record. Indices make it faster to find specific records and to sort records by the index field -- that is, the field used to identify each record. Index has important role to quick search in contain data . Google search engine has own database for indexing the website.
Que-What is "Cache" ?Ans- A very advanced topic, for server developers who want to speed up their Web servers. Caching will help speed up frequently accessed pages. Web caching is a tool to improve the performance of Web servers. Caches store the Web pages in a central place and only update them every once in a while. They make the pages appear to load faster, while sacrificing timeliness. Any search engine that added url or website contains in own dirctory , it is called web "Cache".
A cache is a type of dynamic and high speed memory that is used to supplement the function of the central processing unit and the physical disk storage. The cache acts as a buffer when the CPU tries to access data from the disk so the data traveling from the CPU and physical disks can have synchronized speed. Disk reading and writing process is generally slower than CPU function.
Que-What is traffic/Page traffic ?Ans-Web traffic or page traffic is the amount of data sent and received by visitors to a web site. It is a large portion of Internet traffic. This is determined by the number of visitors and the number of pages they visit. Sites monitor the incoming and outgoing traffic to see which parts or pages of their site are popular and if there are any apparent trends, such as one specific page being viewed mostly by people in a particular country. There are many ways to monitor this traffic and the gathered data is used to help structure sites, highlight security problems or indicate a potential lack of bandwidth — not all web traffic is welcome.
Page traffic is also defined as no. of website or web page has or rank in any search engine by unique keyword and search engine is determine how many , web page or website exist with given keyword or string.
Que-What is the search engine and give some ex. of search engine ?Ans-
Search engines are online services that allow users to scan the contents of the Internet to find Web sites or specific information of interest to them. A user inputs a search term, and the search engine attempts to match this term to categories or keywords in its catalog of World Wide Web sites. The search engine then generates a list of sites that match the search criteria, ranked in order of relevance. Search engines help organize the more than two billion pages of information on the World Wide Web and make them accessible to Internet users. Search engines are the primary method Internet surfers use to locate information on the Web.
Some example of top Search Engine-
6. Alta Vista
Que-What is Page popularity ?Ans- Web page popularity is what gives you visitors and makes your site saleable to others.
There are different ways of gauging the popularity of a website. More often than not, big search engines have a say as to how popular a particular website is, at least as far as their search network is concerned. For instance, Google has a different way of assessing web page popularity from Yahoo, MSN, or Alexa. But given these different search engines, they are credible enough and produce congruent results.you'll get at the top of search results, first and foremost. Imagine your site coming up on the first page when a certain keyword is typed on the search engine box. When this happens, there are high chances that internet surfers would click your site to check out what you've got in there. But if your web page popularity is low, don't expect that you'll get to the first page.
Que-What is back/outbound link and inbound link ?Ans-
Outbound Link:Outbound links are the links which are linked from my website to the otherwebsite. Then we say that I have an outbound link. These doesnot effect our page rank. From the above example I www.website1.com has an outbound link. that means www.website1.com is sending a link to www.website2.com. Outbound links is not used in calculating our page rank.
INBOUND LINKS:Inbound links are the links from webpage of other websites to our website. Inbound links are very important in getting good page ranks. Inbound links are otherwise called as Backlinks. Inbound links decide the Page rank of our website. Good page rank increases the importance of the website in the world wide web. To know exactly what the inbound link is.
Que-What is Anchor text ?Ans-
Anchor text is a part of SEO which helps in optimizing the targetted keyword. This carries the importance of the targeted keywords in the web page. Anchor text is created using anchor tag.
Anchor Text are usually created for navigation purpose. It guides other webpages from a web page. In this process we create a link to the text. The text which is kept as a link gets some importance. Google analyses these text links in the pages. If we use the targetted keywords as the link then it will helps our webpages for quick optimization in google search engine.
Que-What is Hyperlink ?Ans-An element in an electronic document that link to another place in The Same document or to an entirely different document. Typically, you click on the hyperlink to follow the link. Hyperlinks are the most essential ingredient of all hypertext systems, include the World Wide Web.
Que-What is Keyword ?Ans-Keyword targeting in article writing is a term that applies to the density or the frequency with which a keyword is featured in a piece of text. The significance of keywords in written content for use on the Internet is an important area of online promotions. This is basically the technique of writing articles or blog posts with the specific aim of picking up web traffic as a direct result of online users’ search engine queries for a given keyword or set of keywords.