Translation guide
The practice of improving a website to increase its visibility in search engine results. In Japanese, the English term is widely used, but there are also native equivalents and related expressions.
search engine optimization
Most common term; also 検索エンジン最適化 (けんさくエンジンさいてきか) in formal contexts.
Referring to the overall concept, strategy, or industry of search engine optimization.
The most common way to refer to search engine optimization in Japanese, pronounced エスイーオー. Used in business, tech, and everyday contexts.
I consulted an SEO expert.
This site has weak SEO.
The formal Japanese translation of 'search engine optimization'. Used in official documents or when explaining the concept to non-specialists.
Let's learn the basics of search engine optimization.
A shorter version of 検索エンジン最適化, often used in technical contexts.
We are implementing search optimization measures.
Describing the action of optimizing a site for search engines.
The most natural way to say 'do SEO' or 'implement SEO measures'. 対策 means 'countermeasure' or 'measure'.
I did SEO on this page.
If you don't do proper SEO, you won't rank high.
A more formal way to say 'perform search engine optimization'. Suitable for reports or presentations.
Literally 'apply SEO'. Used in technical writing but less common in conversation.
We applied SEO to the entire site.
In Japanese business and tech contexts, the English abbreviation 'SEO' is overwhelmingly used. The full Japanese term 検索エンジン最適化 is understood but can sound stiff or explanatory. When in doubt, use SEO.
Our company regularly performs search engine optimization.