Thinking of Cross-Referencing Earlier Blog Articles by Subject

With today's entry I have published 4,265 blog articles over the past 13 years.  They cover a wide gamut of topics, but I think it might be interesting to be able to reference some of the earlier ones in a more efficient manner.  At the bottom of each article I have indicated general topic headings...which you can see on the web version but not on the phone app...but I'd like to organize my writings in a more precise series of indices that the reader can simply click on to obtain.  I don't know exactly how feasible this undertaking will be, but in a few weeks I should have something to present...