These are critical guideline’s to follow to promote your website ranking. You can’t get the first page results or publisher’s facilities without following all of them.
Page Speed: The most critical webmaster guideline. Website speed reveals many things about your website's health and how well it's managed. Also important for mobile SEO. Checki your page with Google Page speed insight to identify why your website is slow and which steps to take to fix.
robots.txt: Robot.txt is a file which exist’s in your website root directory to control the search engine’s crawlers about which page you want to let it accessing or not. Sometimes people blocked some specific page or resource by robot txt for preventing them to showing in the search result.
Paid links: Do not build any Dofollow referral links, Affiliate links or paid link’s which is give you financial benefits or commission for selling a goods or send the link juice to the link resource’s. You can share an Affiliate, referral or paid links with nofollow attributes which tells the search engine’s not to follow these links. Keep your outgoing or external links under 50%..
Sitemap for search engines: You must have a sitemap for Search engines using XML format where you have sorted all public links. This sitemap is placed in the root directory of your domain and easily accessible by a simple URL such as “yourwebsite.com/sitemap.xml”. Keep the sitemap current for best result. After creating this sitemap submit it to the Google by Google webmaster tools for getting indexed faster.
A quick HTML sitemap/navigation page for visitors: After submitting a sitemap to the search engine, create a sitemap or easy navigation page for your users to find all important website links.
Text/image links: Always try to display a text instead of an image where it is necessary. However, if you really want to share some image, don’t forget to add the “ALT” attribute for images. Use a meaningful ALT text to describe the image. Use at least two descriptive word’s instead of only one.
Title/ALT tag: Describe your image “ALT” tags and <title> elements by meaningful and accurate description. One of the worst SEO mistakes is leaving <title></title> elements blank that is shown in the browser tab.
if modified since: If-Modified-Since HTTP header tells Google about the update of a web page since their last crawl.The Search engine quickly know about the updates of a web page and development and constantly show them in their search result. Most of the web server support this feature to reduce bandwidth usage and avoid interruption.
The amount of links: Always keep the website’s external or internal links, under 50 for per page and don’t exceed 100 links.
Dynamic links: Make sure that your website links are SEO friendly and simple. Avoid auto generated links containing “?” and other automatic characters to pass this guideline. Use landing pages to avoid auto-generated links instead of redirecting users dynamically.