SEO has accumulated more than twenty years of advice, and sound principles circulate alongside guidance that was once correct and no longer is. The reason the old advice survives is simple: it is concrete and immediately actionable. “Get the keyword to two or three per cent of the body text” is something you can do this afternoon; “satisfy the search intent” leaves you unsure where to start. A measurable old rule beats a vague new principle every time.
The four below no longer deserve your time. What matters, though, is what replaces each of them — drop a habit without a replacement and you will be back to it within weeks.
1. Keyword density — replaced by “does the question end here?”
Keyword density is the proportion of the body text taken up by your target term. When search engines judged a topic largely by word frequency, the idea had a basis. They now read synonyms, related concepts and surrounding context, so forcing the same phrase in to hit a ratio buys nothing and costs you readable sentences.
The question that replaces it is this: does the visitor’s question finish inside this page? The procedure is equally concrete. Run the query yourself, open the top five results, and list the sub-topics they all cover. Anything missing from your page is your edit list. It takes half the time density counting did, and the results are not comparable.
None of this means ignoring keywords. The principle that your title and opening paragraph should contain the words people actually type holds perfectly well. What has gone is the target ratio.
2. Meta keywords — replaced by the title and description
The <meta name="keywords"> tag once declared a page’s keywords directly to search engines. It was trivially easy to abuse, lost its value as a signal, and the major engines dropped it from ranking long ago. Some plugins still show the field, so it often survives purely because there is a box to fill. Filling it does no harm; it also does nothing.
What genuinely works in the same slot is the title tag and the meta description. The title is the largest line in the result; the description underneath it decides the click. Leave the description empty and the engine will cut its own snippet from your body text, which is rarely the sentence you would have chosen. Move the time you spent on meta keywords into those two lines and the same effort comes back as clicks.
3. Word-count targets — replaced by reading the format
“You need at least 2,000 words to rank” reads a correlation as a cause. Thorough pieces do tend to run long, but length does not create thoroughness. Set a word count as the goal and what usually grows is paragraphs restating the same point — which means delaying the answer the reader came for.
Decide the format instead. If the top results for that query are mostly short definitions, three paragraphs finish the job. If they are tables and comparisons, you need material to compare. If they are lists, the question wants items enumerated. Length settles itself once the format is filled — it is an outcome, not a target.
4. Bulk directory submission — replaced by a handful of real listings
Services that submitted your site to hundreds of web directories were once a staple of link building. Those directories are now pages nobody reads, and search engines treat them accordingly. At best they are ignored; at worst they read as an unnatural pile of links. You are paying money to acquire risk.
Three things take their place. First, submit a sitemap to the search engines — that is realistically the only submission that matters. Second, put accurate details in the small number of places your customers genuinely look: an industry association directory, a local business profile, the community you actually participate in. The goal is not volume but a route a person can arrive by. Third, link related articles to each other inside your own site — the only links you fully control and never have to ask anyone for.
Where the reclaimed hours go
Stopping all four frees up several hours a month. Two places repay that time best: updating pages that already appear in search, and checking that your pages actually load quickly. Both produce results sooner than writing something new.
The mechanics of search visibility live in the SEO archive, and knowing what to ask engineering for is covered in the technical SEO for marketers series. If you would rather have the technical side reviewed in one pass, a diagnostic is part of our optimization program.