More Details: https://www.jajuma.de/de/jajuma-develop/extensions/prg-pattern-link-maskierung-fuer-magento-2 SEO Optimization for Magento 2 Layered Navigation. How to prevent Duplicate Content and avoid wasting Crawl Budget by using PRG (Post-Redirect-Get) Pattern.

1. www.JaJuMa.de
RequestFlowwithJaJuMa
PRGPatternLinkMaskingforMagento2

2. www.JaJuMa.de
RequestFlowwithJaJuMa
PRGPatternLinkMaskingforMagento2
FilterOptionhasno“<ahref>-Link”,
butinsteada“Form Submit”-Action

3. www.JaJuMa.de
RequestFlowwithJaJuMa
PRGPatternLinkMaskingforMagento2
FilterOptionhasno“<ahref>-Link”,
butinsteada“Form Submit”-Action
1.UserclicksFilterOption->POSTRequest
RequestMethod:POST
WithFilterOption(s)asForm Data.
e.g.color=green(=“53”)

4. www.JaJuMa.de
RequestFlowwithJaJuMa
PRGPatternLinkMaskingforMagento2
FilterOptionhasno“<ahref>-Link”,
butinsteada“Form Submit”-Action
1.UserclicksFilterOption->POSTRequest
RequestMethod:POST
WithFilterOption(s)asForm Data.
e.g.color=green(=“53”)
2.ResponseRedirectingto“normal”FilterURL
StatusCode:303SeeOther
Location:
e.g./women/tops-women/?color=53

5. www.JaJuMa.de
RequestFlowwithJaJuMa
PRGPatternLinkMaskingforMagento2
FilterOptionhasno“<ahref>-Link”,
butinsteada“Form Submit”-Action
1.UserclicksFilterOption->POSTRequest
RequestMethod:POST
WithFilterOption(s)asForm Data.
e.g.color=green(=“53”)
2.ResponseRedirectingto“normal”FilterURL
StatusCode:303SeeOther
Location:
e.g./women/tops-women/?color=53
3.RequesttoRedirectURL
RequestMethod:GET
RequestURL:
e.g./women/tops-women/?color=53

6. www.JaJuMa.de
RequestFlowwithJaJuMa
PRGPatternLinkMaskingforMagento2
FilterOptionhasno“<ahref>-Link”,
butinsteada“Form Submit”-Action
1.UserclicksFilterOption->POSTRequest
RequestMethod:POST
WithFilterOption(s)asForm Data.
e.g.color=green(=“53”)
2.ResponseRedirectingto“normal”FilterURL
StatusCode:303SeeOther
Location:
e.g./women/tops-women/?color=53
3.RequesttoRedirectURL
RequestMethod:GET
RequestURL:
e.g./women/tops-women/?color=53
4.ResultwithFilterapplied
StatusCode:200OK
->Userseeresultmatchinghisselection
e.g.onlyproductswithcolor=“green”