Keyword research for topical authority: group needs, not words
Topical research is the work of finding every need a market searches for within a subject, and grouping the many ways people phrase each need into one topic. It starts where keyword research starts, with phrases, but it ends with a list of topics and the page each one deserves, not a spreadsheet sorted by volume.
On this page — 4 sections
Why does a plain keyword list make a weak content plan?
Quick answer
Because one need appears many times in different words. A list sorted by volume puts near-duplicates side by side, and writing a page for each creates pages that compete with each other. It also hides the smaller questions that complete a subject.
Export phrases for "oud" from any tool and you will see "دهن عود", "دهن العود", "افضل دهن عود", "دهن عود اصلي" and "دهن عود كمبودي" as separate rows. The first four are mostly the same shopper on an oud store in Riyadh. The fifth is a narrower need. A list can't tell you that; grouping can.
The opposite mistake is just as common: a cooking site in Egypt writes one long page for "molokhia" that tries to answer the recipe, the health questions and the freezing method at once, and ranks well for none of them.
What counts as one topic?
Quick answer
A topic is one need with one intent: the same person, wanting the same outcome, would be satisfied by the same page. Spelling variants, dialect words and word order usually belong to one topic. A different outcome, stage or audience usually means a different topic.
| Phrases | One topic or several? | Why |
|---|---|---|
| "تصليح مكيف" / "صيانة مكيفات" / "فني مكيفات دبي" | One | Same need: get the AC fixed, in Dubai |
| "سعر تركيب مكيف سبليت" / "تصليح مكيف" | Two | Installing a new unit and repairing one are different jobs |
| "طريقة الملوخية" / "فوائد الملوخية" | Two | Cooking it and its health questions are different outcomes |
| "كنب مودرن" / "انتريه مودرن" | Usually one | Egyptian usage overlaps; check what results show |
When you are unsure, look at the results. If Google shows mostly the same pages for two phrasings, it is treating them as one need. If the results barely overlap, they are two.
How do you group phrases into topics in practice?
Quick answer
Normalise spelling first, then group by meaning, then check doubtful pairs against the live results. A common practitioner rule is that two phrases whose top ten results share several URLs belong on one page. Record every phrase under its topic, so writers see all of them.
- Normalise: fold spelling variants such as أ/ا and ة/ه, and remove duplicates, so "افضل" and "أفضل" stop counting twice.
- Group by meaning: sort phrases by the need behind them, not by shared words. "AC making noise" and "AC loud at night" belong together.
- Check doubtful pairs: compare the top results for both phrasings. Many SEO specialists treat three or more shared URLs in the top ten as one topic; that threshold is a rule of thumb, not a Google rule.
- Name the topic after the clearest phrasing, and keep the others listed beneath it.
- Assign one page per topic, and note which hub it belongs under.
For a Kuwait car-service shop, "تغيير زيت" and "تبديل زيت السيارة" collapse into one topic with one page, while "أفضل زيت لسيارات الحر" becomes a separate article that links to it.
Should you skip topics that show little or no search volume?
Quick answer
Not automatically. Volume figures in keyword tools are estimates, and they are often thin for specific Arabic phrasings. Low-volume questions are also what completes a subject. Keep a topic if real people ask it and it supports a page that matters to the business.
"How long does oud oil last on clothes" may show almost nothing in a tool, yet it is a question shoppers ask before buying. An answer to it, linked to the oud oils category, makes the store's coverage of oud more complete and gives the buyer one less reason to leave.
- Keep it when you have evidence people ask it: customer messages, autocomplete, People Also Ask, Search Console queries.
- Merge it into a bigger page as a section when the answer is a paragraph long.
- Drop it when it serves neither a reader nor a page you care about, whatever the volume.
This article is part of the Content Operations series — Running content week to week: briefs that prevent rework, checks before publishing, fixing blockers first and refreshing on schedule.
About the author
Mohamed Youns
Semantic SEO Engineer · Author & system developer
Mohamed Youns writes about how search engines understand content — the same standards he applies when building semantic systems at Nut Hub. nut-hub.org