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Keyword analyser

A keyword analyser is a tool or method for analysing search terms systematically for search engine optimisation (SEO) and search advertising (SEA). Keyword analysis rates terms by criteria such as search volume, competition, search intent and keyword difficulty, that is, how hard it is to rank well for a keyword. The aim is to find the search terms that fit the audience and the offering and are realistically reachable. Well-founded keyword analysis is the basis of every successful content and SEO strategy.

Also known as: keyword analysis, keyword research, keyword tool

What is keyword analysis?

Keyword analysis is the systematic study of the search terms people use to look for information, products or services. It answers which terms matter for a company and which content best serves those searches.

A keyword analyser supports this process by supplying figures for search terms and suggesting related ones. A first idea can thus become a structured picture of search behaviour in a topic area. The analysis covers both researching new terms and assessing keywords already known.

Keyword analysis is not a one-off step but an ongoing process. Search behaviour, competition and trends change, so keywords should be reviewed and adjusted regularly. It is therefore the foundation of a sustainable Search engine optimisation.

Which metrics matter for keywords?

One central figure is search volume, that is how often a term is searched on average. It shows the basic interest in a topic. High search volume is not automatically better, though, since popular terms are often fiercely contested.

This is where competition, or keyword difficulty, comes in. It estimates how hard it is to appear in the top results for a term. Terms with moderate volume and less competition, so-called long-tail keywords, are often more realistic and convert better, because they are more specific.

Another important dimension is search intent: what does a user want to achieve with a query? Are they looking for information, wanting to buy, or heading for a particular page? Only if your content matches the intent does it meet the expectation and stand a chance of ranking well.

What does search intent mean?

Search intent describes the goal behind a query. The usual distinction is between informational searches (someone is looking for knowledge), navigational searches (someone wants a particular page), transactional searches (someone wants to buy or act) and commercial searches (someone is comparing before buying).

Understanding search intent is decisive, because search engines favour content that meets the actual need. A guide article rarely ranks for a clearly transactional query, and a product page rarely fits a purely informational search.

In keyword analysis you therefore assign each term its likely intent and align the right content type to it. The result is a content structure that serves searches along the whole Customer journey serves, from the first piece of information to the purchase decision.

Which tools are used for keyword analysis?

Several established tools are available for keyword analysis. Google Keyword Planner supplies volume and competition data, mainly in the context of Google Ads. Google Search Console shows which terms a site already gets visibility and clicks for, making it a valuable first-hand data source.

Specialised tools such as Ahrefs, Semrush and Sistrix also offer extensive keyword databases, difficulty estimates, competitor analysis and suggestions for related terms. They help open up topic areas broadly and place your visibility against competitors.

Which combination makes sense depends on goals and budget. What matters is not viewing the tools’ data in isolation but alongside your own data from Google Analytics 4 and Search Console. That gives a realistic picture rather than a bare tool figure.

Common keyword tools compared
Tooldata basisStrengthFree?Ideal for
Google Keyword PlannerGoogle Ads dataSearch volume and competition straight from Googlefree (Ads account required)SEA planning and first volume estimates
SistrixOwn visibility index, DACH focusVisibility analysis in the German marketfrom ~ €X / monthSEO monitoring and competition in Germany
AhrefsLarge backlink and keyword indexBacklink analysis and keyword difficultyfrom ~ €X / monthdeep SEO and competitor analysis
SemrushBroad keyword and competitor dataAll-in-one for SEO and SEAfrom ~ €X / monthcombined SEO/SEA strategies
AnswerThePublicSearch suggestions and question keywordsQuestions and search intent around a topicfree with limitsContent ideas and topic clusters

How do you go about keyword analysis?

It starts with collecting: gather the relevant topics, terms and questions of your audience, supplemented by suggestions from the tools named. That produces a broad list of potential keywords around your offering.

In the next step you assess and group these terms. You assign search volume, competition and search intent and bundle thematically related keywords into clusters. From these clusters, content can be derived that covers a topic area comprehensively rather than isolated terms.

You then prioritise by relevance and reachability and turn the results into concrete content planning. It is worth tackling easily reachable terms with a clear business connection first and preparing harder, heavily contested keywords for the long term. You check the effect continuously through rankings, clicks and conversions. At Elisabit we combine keyword analysis with well-founded Performance auditso that search terms turn into measurable results in Online marketing become.

  1. 1Collect the audience’s topics and terms, supplemented by tool suggestions.
  2. 2Rate keywords by search volume, competition and search intent.
  3. 3Group related terms into clusters.
  4. 4Prioritise by relevance and attainability.
  5. 5Turn the results into a concrete content plan.
  6. 6Track the effect on rankings, clicks and conversions continuously.

Keyword analysis for SEO and SEA

Keyword analysis matters for both organic search engine optimisation and paid search advertising. In SEO, keywords determine which content you create and how you structure it to build organic visibility in the long run.

In SEA, keywords are the basis for serving ads and allocating budget. Click prices and commercial intent play a larger part here. Both disciplines benefit from the same careful analysis but apply the findings differently.

In a holistic strategy you connect both worlds. Insight from paid campaigns gives valuable pointers for organic optimisation and the other way round: keywords converting well in SEA are often worthwhile targets in SEO too. Keyword analysis thus becomes the connecting element of a well-considered visibility strategy oriented on real search data.

Frequently asked questions

What is keyword analysis?

Keyword analysis is the systematic study of search terms for SEO and SEA. It rates terms by search volume, competition, search intent and keyword difficulty. The aim is to find the terms that fit the audience and are realistically achievable.

Which metrics matter for keywords?

The central figures are search volume, competition or keyword difficulty, and search intent. High volume is not automatically better, since popular terms are often fiercely contested. Long-tail keywords with moderate volume are often more realistic and convert more specifically.

What is search intent?

Search intent describes the goal behind a query: informational, navigational, transactional or commercial. Search engines favour content that meets the actual need. In keyword analysis you therefore assign each term its intent and choose the matching content type.

Which tools are good for keyword analysis?

Established tools are Google Keyword Planner and Google Search Console, plus specialised tools such as Ahrefs, Semrush and Sistrix. They supply volume and competition data, difficulty estimates and suggestions for related terms. It makes sense to reconcile the tools' data with your own from analytics and Search Console.

How do you go about keyword analysis?

First you gather relevant terms and questions from your audience, supplemented by tool suggestions. Then you assess and group the keywords by volume, competition and intent into clusters. You then prioritise by relevance and achievability and turn the results into concrete content planning.

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