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Thank you for your detailed and clear explanation.

seranking.com - good on-page audit.

What about this:

This is from trulia.com website:

Try this http://microdatagenerator.com/realEstateAgency.html

and you can read this article https://builtvisible.com/micro-data-schema-org-guide-generating-rich-snippets/

Each image should have an alt text. Not just for SEO purposes but also because blind and visually impaired people otherwise won’t know what the image is for.

They were wrong. Buy a domain for 10 years.

Yes, it is. All you need to know for moving to https.

Your page title is 71 characters long. Try erase word “instantly”. You will get title 62 characters long.

In the page's URL no keywords are used.

Optimize images.

You can try https://www.woorank.com

How many pages have your website?

From Spam Analysis you can export a disavow file and upload it in Google Webmaster Tools.

Don’t forget read this guide first https://support.google.com/webmasters/answer/2648487

Enter the full http address for your sitemap here https://www.xml-sitemaps.com/validate-xml-sitemap.html

then press Validate

on next page you can press Notify

Can you post your .htaccess rules here?