Interview Questions and Answers

SEO tools include Google Analytics, SEMrush, Ahrefs, Moz, and more. Keyword research is the process of finding and analyzing search terms that people enter into search engines.

• SEO tools help optimize websites for search engines

• Google Analytics tracks website traffic and user behavior

• SEMrush provides keyword research, site audit, and backlink analysis

• Ahrefs offers competitor analysis, keyword research, and backlink tracking

• Moz provides site audit, keyword research, and link bu...read more

Cross-linking is the process of linking one webpage to another webpage within the same website.

• Cross-linking helps to improve the website's internal linking structure.

• It helps search engines to understand the website's hierarchy and importance of pages.

• Example: Linking a blog post to a relevant product page on the same website.

• Avoid excessive cross-linking as it can be seen as spammy by search engines.

Keyword stuffing is the practice of overusing keywords in a webpage to manipulate search engine rankings.

• It is a black hat SEO technique

• It violates search engine guidelines

• It can result in penalties or even getting banned from search engines

• Examples include repeating the same keyword multiple times, hiding keywords in the background, and using irrelevant keywords

• Keyword density should be kept at a reasonable level

Reverse a linked list

• Create three pointers: current, prev, and next

• Iterate through the linked list, updating pointers accordingly

• Set the head of the linked list to the new tail

Reverse a given string

• Create an empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string

Pascal triangle is a triangular array of binomial coefficients.

• Start with 1 at the top of the triangle.

• Each number is the sum of the two directly above it.

• Example: ['1', '1 1', '1 2 1', '1 3 3 1', ...]