META Description tag not set! It's necessary to add into META Description tag a brief description of the page and include the most important keywords. Recommended META Description length - from 70 to 160 symbols, this is optimally for Google, Yahoo and Bing.
This is good practice to use at list next 3 og tags: og:title, og:image, og:description, og:type. You didn't use any one.
You should define url of sitemap.xml in Robots.txt. It's very important to make your site more transparent for Search Engines and increase number of pages in Search Engine results.
FavIcon image is not set or empty. Please add it to this page. Usually it should be done for whole website from settings in CMS or website template.
Server does not use any data compression method. Data compression on http-server allows to improve the page upload speed due to their compression. Searching systems love fast content.
H2 tags are not set or empty. It's necessary to add one or more titles, which includes the most important keywords and frame them by H2 tags
You have 2 external links that is not using rel="nofollow" link attribute. Add rel="nofollow" to increase the weight of the page.
Now more than 100 % of links follow out of your site. You should decrease the number of external links and reach value of 10%.
Use strong tag to mark the most important keywords at your page.
"Content-Encoding" should have "gzip" value or other correct value.
Images which displayed by img tags on the page not found. Searching systems loves pages with rich content, we recommend to add multiple images to a page.
Good, this page have title tag! Don't forget to double check it for relevant keywords usage! Here is title that you using:
Good, this page have H1 tag! Don't forget to double check it for relevant keywords usage! This is the text that you using here:
Well done, this page using static URL address without GET-settings.
Good! The length are optimal! Do not forget to double check that you use the main keywords in it. This is the text that you using here:
Welcome to nginx!
Welcome to nginx!
Size of the page code is about 1 Kb and not exceed recommended amount 500 Kb.
It should indexing normal. No META-robots restrictions was found.
The current ratio of Text/Code is 49.346405228758 . Well done, ratio of text on the page to the amount of html-code is okay.
Well done, analyzed page found 2 of links and this satisfies the searching systems requirements (not over than 100 links per page).
Well done, there are no inline-styles in the analyzed page code.
Good! Search engines don't like when you using iframes.
Good! Just be sure that images use relevant descriptions.