Tools and service SEO provide

Search engines provide a variety of accessible tools for the user, which people tend to find quite useful. Search engines encourage webmasters to create more available content; ultimately making more analytics and guidance for users. 

Frequent search engine obligations

 Here are some common search engine necessities:

1. Sitemaps: A sitemap is a model of a website's content designed to help both users and search engines navigate the site, this allows search engines to approve original content on the site. Sitemaps emphasise different types of content such as video and images that allows them to come in many distinctive formats, these come in three main variables: XML (extensible mark-up language) is a recommended format for sitemaps because it is simple for the search engines to digest and also can be done and controlled by plenty of sitemap generators; but, file sizes can take up a lot of space with using XML, since it demands an open tag and a close tag. Another sitemap format is RSS (really simple syndication or rich site summary), one benefit to using this sitemap is that it is extremely easy to upkeep, code and update, a downside to RSS, it is actually more difficult to manage than XML because of its updating habits. The last sitemap variable is txt (text file), even though it doesn't allow the ability to add meta data to pages; this is the easiest format to use and is one URL per line up to 50,000.
2. Robots.Txt: the robots.txt. file is a product of robots exclusion protocol that gives a set of instructions to web crawlers such as search engine crawlers, they also give locations or sitemap files and crawl-delay parametres. Here are some commands that are used: Disallow- this stops docile robots from handling particular pages or files, sitemap- shows the location of a website's sitemap or sitemaps, and crawl delay- highlights the speed a robot can crawl the server (in milliseconds). 
3. Meta robots: Create page-level orders for search engine robots, they would normally be included in the head section of the HTML document. 
4. Rel-'Nofollow': This lets you links to a resource without your vote (links are considered as votes), for search engine purposes; since nofollow literally means to not follow the link, some search engines do this anyway to discover new pages. If you want to link to an untrusted site then this is ideal, even if it has less value, it it still useful for the source.
5. Rel='canonical': Usually, a few copies of your website's content will appear in different URLs. Search engines see these different URLs are singular, separated pages, which is a default because the search engines then devalue the content, decreasing its potential rankings. To resolve this problem the canonical tag is developed to tell search robots which page is singular and authoritative over the others.  

Search engine key features 

Google search engine console 

• Geographic target: When webmasters target a specific location, they give Google information that will help determine how that site appears in a location specific search results.
• Preferred domain: This is the domain webmasters would like used to index their site's pages. 
• URL parametres: To help Google crawl your site efficiently, you can show information about each parametre on your site.
• Crawl rate: How the crawl rate affects the speed of the search engine's requests during the crawling process.
• Malware: This can affect the user experience on your website and damage rankings so Google informs you when it has found any malware on your site.
• Crawl errors: Google will report to you if any issues come up when crawling your site.
• HTML suggestions: Google will look for any issues in the HTML links such as the meta description and report any issues that may occur. 

Bing webmaster tools 

• Sites overview: This allows a single overview of all your website's performance such as: clicks, impressions and pages indexed in Bing search results.
• Crawl stats: You can view how many of your pages have been crawled by Bing and if there were any issues. This is similar to Google's tools because you can also submit sitemaps to help Bing prioritise and organise your content.
• Index: Allows you to have an overview of how your content is organised within Bing and help control how Bing indexes their web pages.
• Traffic: Reports that show an average position and cost estimates if you were buying ads targeting a specific keyword. 

Moz open site explorer

• Identify power links: Organises all of your website's inbound links by their metrics which helps you determine which links are most important. 
• Discover the strongest linking domains: Highlights the strongest domains linking to your domain. 
• Analyse link anchor text distribution: Shows the distribution of the text people used when linking to your website.
• Head to head comparison view: Allows you to compare two websites to see different rankings and why one is better than the other.
• Social share metrics: Measuring social media shares such as Facebook, likes and tweets. 

Search engines have just started to provide these tools in order for webmasters to update and improve their search results. But, this is an increasingly better step for SEO and web-masters, though the main responsibility lies within the web-master, SEO has created an easier way for websites to advance in the search engine marketing strategies. 

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