The Mason's Mortar: On the Unseen Bond That Holds the Walls Together

I remember the first time I truly understood internal linking. It wasn't in a conference room with a whiteboard, or while reading a technical guide. It was in my grandfather’s workshop, watching him repair an old stone wall that bordered our property.

The wall was ancient, a jumble of fieldstone and granite that had been there longer than anyone could remember. A section had collapsed after a heavy rain, and he was patiently putting it back together. I expected him to just stack the stones, one on top of the other, but he didn’t. He took a trowel and carefully spread a rough, grey mortar onto the face of each stone before setting it into place.

‘Why are you doing that?’ I asked, impatient to see the wall rise again. ‘The stones are heavy. Won’t they just stay put?’

He shook his head, never looking up from his work. ‘Weight isn’t enough,’ he said. ‘The frost will heave them. The wind will find the gaps. They need to be a part of each other. This,’ he said, tapping the trowel against a freshly mortared seam, ‘is what makes it a wall, and not just a pile of rocks.’

It was years later, staring at a sprawling website architecture that felt less like a structure and more like a chaotic pile of pages, that his lesson returned to me. We had content—good, heavy, substantial content—but it just sat there. It had weight, but no cohesion. A user, or a search engine, could land on one page and have no sense of what lay next to it, no path to follow, no context.

Internal links are the mortar. They are the unseen, often overlooked substance that binds individual pages into a single, coherent structure. A page without them is just a solitary stone, impressive on its own but ultimately isolated and vulnerable. It’s the context provided by a relevant, thoughtful link from one article to another that gives both pages greater meaning and strength.

My grandfather’s wall still stands. It has weathered decades more of frost and wind because each stone is not just resting on another; it is actively connected to it. The integrity of the whole is defined by the quality of those individual connections. Our websites are no different. We can spend all our time selecting the perfect stones—crafting brilliant articles, taking beautiful photos, writing elegant code—but without the careful, considered application of the mortar, we’re not building anything lasting. We’re just making a pile.

Now, every time I add a link, I think of that grey mortar and the quiet, certain strength it provides. It’s not the most glamorous part of the work, but it is, without question, the most fundamental.

Notes & further reading

A few pages I came back to while writing this: