Google Analytics: It is used to monitor and analyse the performance of your website traffic. However from GA you can’t control the fixing of issues associated with your website.
Google Webmaster(Search Console): Webmaster is basically used to monitor, analyse the statistics of your website. Apart from this analysis, Webmaster allow you to monitor and fix the crawl, indexing, fetching and other issues with your website such as data structuring, sitemaps and robots.txt submittal.
IN MORE DETAIL
A. Google Analytics
Google Analytics is one of the most widely used web analytics applications. It will give you the following information.
1. Visitor Reports eg
The total number of visitors your website has. It also specifies what are the number of new visitors and returning visitors
The time that your visitors spend on your site.
The amount of pages your visitors view.
The amount of visitors who landed on your site and left immediately.
Geographical location of your website visitors
The websites which referred visitors to your site.
2. Web traffic Reports
Total number of of people visiting your site on a daily, monthly and yearly basis. It also provides your traffic stats to previous years.
3. Details of Keywords
The keywords which brings traffic to your website.
The keywords which produces most sales.
The keywords which keeps your visitors on your site for longer duration.
The web pages your visitors visit often.
The web pages that brings you more traffic.
The pages your visitors most often leave your site.
5. Conversions: The conversion rates for the goals you set on your site.
B. Google Webmaster Tools(Search Console)
Google Webmaster Tools reveals how Google looks your site online. Webmasters use this tool to fix problems with the site if any. It offers lot of tools for webmasters with which one can improve the visibility of the site and fix problems if any. It will give you the following information
1. Crawl Errors
Google webmaster tools give you information about the pages which Google is unable to crawl. This is a very important aspect because if Google cannot crawl your pages, your search engine visibility may go down. With the help of the tool, one can find out issues if any and resolve it.
2. Search Queries
This is information on your pages Google has returned to searchers for specific queries. The following information is available using webmaster tools.
Total number of search queries which returned pages from your site.
Your top search queries which returned pages in Google.
The number of times your pages were viewed in Google’s search results.
The number of times your listings were clicked on for a particular search query.
The percentage of times your listing was clicked for a particular search query.
The average position of your website for a particular search query.
The links linking into your site from other websites.
4. Blocked URLS
If your site has content you don't want Google or other search engines to access, use a robots.txt file to specify how search engines should crawl your site's content. You can use Google Webmaster Tools to find out if your robots.txt is working as expected.
Google Webmaster Tools inform you If Google detects any malware on the site.
6. HTML errors
Google Webmaster Tools inform you If Google detects any HTML errors on the site.
7. Fetch as Google
You can use Google Webmaster Tools to submit a page to Google. However Google doesn't guarantee that they will index every URL we crawl.