Disadvantages of Search Engine

There are the following disadvantages of Search Engines –

Sometimes the search engine takes too much time to display relevant, valuable, and informative content.
Search engines, especially Google, frequently update their algorithm, and it is very difficult to find the algorithm in which Google runs.
It makes end-users effortless as they all time use search engines to solve their small queries also.

Components of Search Engine

There are the following four basic components of Search Engine –

1. Web Crawler

Web Crawler is also known as a search engine bot, web robot, or web spider. It plays an essential role in search engine optimization (SEO) strategy. It is mainly a software component that traverses on the web, then downloads and collects all the information over the Internet.

Note: Googlebot is the most popular web crawler.

There are the following web crawler features that can affect the search results –

Included Pages
Excluded Pages
Document Types
Frequency of Crawling

2. Database

The search engine database is a type of Non-relational database. It is the place where all the web information is stored. It has a large number of web resources. Some most popular search engine databases are Amazon Elastic Search Service and Splunk.

There are the following two database variable features that can affect the search results:

Size of the database
The freshness of the database

3. Search Interfaces

Search Interface is one of the most important components of Search Engine. It is an interface between the user and the database. It basically helps users to search for queries using the database.

There are the following features Search Interfaces that affect the search results –

Operators
Phrase Searching
Truncation

4. Ranking Algorithms

The ranking algorithm is used by Google to rank web pages according to the Google search algorithm.

There are the following ranking features that affect the search results –

Location and frequency
Link Analysis
Clickthrough measurement