What Is a Title Tag? Writing That Matters for SEO and How to Create Ones That Get Clicked
Published:
Last Updated:
Category: SEO & Content
Authors: Shusaku Yosa
Published:
Last Updated:
Category: SEO & Content
Authors: Shusaku Yosa
Among internal SEO measures, title tag optimization is one that can be expected to produce a large effect with little effort. A title tag is both an important signal that conveys the page content to search engines and an element that is the first thing users see in the search results, which determines whether they click. This article explains title tags from the basics of what they are, through the writing that matters for SEO, how to create titles that get clicked, and dealing with Google's automatic rewriting.
A title tag (title tag) is a tag written inside the HTML head that specifies that page's title. The way to write it is as follows, and the part enclosed becomes the page's title.
<title>Page title</title>
The text set in the title tag is displayed as a clickable link in search results, and is also used as the browser tab and bookmark name, and as the display name when the URL is shared on social media. In many CMSs such as WordPress, it is automatically reflected in the title tag just by entering it in the title field of the admin screen.
Easily confused is the h1 tag, but their roles differ. The title tag indicates the page's title and is displayed mainly "before accessing the page," such as in search results and the browser tab. The h1 tag, on the other hand, is the most important heading within the page and is displayed at the top of the body "after accessing the page." It is natural to make the two similar in content, but understand that each is a tag with a separate role.
Title tags are valued because they relate greatly to both search rankings and click-through rate. The main roles are the following three.
When CTR rises, Google judges the page as "supported by users," which can sometimes lead to further ranking improvement. A title tag is a cost-effective measure that affects both search engines and users.
Let's cover the basic points for making a title that is correctly evaluated by search engines and also gets clicked.
Always include the keyword you are aiming to rank for in the title tag. Having a keyword that represents the page content in the title makes it easier for search engines to judge relevance to the search query, and lets users judge that "there is information I want to know." However, the premise is that the title and page content match. Putting in a keyword not touched on in the body has no effect and instead confuses users.
The basic rule is to place important keywords in the first half (left side) of the title as much as possible. The more they are in the first half, the more easily they catch the user's eye, and the more they get across even if the title is truncated partway. However, as of 2026, search engines' semantic understanding has become advanced, and there is a tendency to value the naturalness and readability of the whole title over "just cramming things to the left." If forcing things into the front would make the wording unnatural, it is more stable to arrange a natural sentence even if that means moving things somewhat toward the back.
There is an upper limit to the width in which a title is displayed in Google's search results, and if too long, the latter half is truncated with "…". Given the PC display width (about 600px), aiming for around 30 full-width characters is practically recommended. Exceeding the character count is not itself a penalty, but if important appeals are truncated, the click-through rate drops and rewriting becomes more likely.
Note that the number of characters displayed also changes by device, screen width, font, and the search engine's judgment, so "30 characters" is only a rough guide. More important than the character count itself is "how far it needs to be read for the meaning to get across." Putting the subject or conclusion in the first 15 or so characters, and making a structure where you can tell what the article is about even if the latter half is cut, provides peace of mind.
Set a title unique to that page for every indexed page. If there are multiple pages with the same title, search engines find it harder to judge each page's content, and SEO effectiveness declines. If there are a large number of identical titles, it can also lead to a decline in the whole site's evaluation. Listing and grouping target keywords before creating pages makes each page's title naturally unique in content.
Even if you want to rank for multiple keywords, cramming them all in is counterproductive. What to put in one title is, as a guide, one main keyword plus one to two sub-keywords. Putting in more than that makes it unnatural or exceeds the character count, lowering evaluation instead. Prioritize "being readable and making people want to click" over keywords.
Once you have covered the basics for search engines, next comes the ingenuity to make users want to click. Because a small change can greatly change the click-through rate, be conscious of the following elements.
Question-form titles like "What is ~?" have long been said to have a high click-through rate, but as of 2026, caution is needed. AI-generated answer summaries increasingly appear at the top of search results, and there are cases where the "What is ~?" question is resolved by the search results alone. Even when using a question form, the ingenuity of hinting that information not found in the summary alone — such as experiences, original data, or concrete steps — is included leads to clicks.
The title tag you set is not necessarily displayed as-is in search results. When Google judges that there is something more appropriate than the set title, it may automatically rewrite the title displayed in search results. This is a Google-side specification and cannot be completely prevented.
The rewriting itself does not directly lower rankings, but it can be changed to an unintended appeal and lower the click-through rate. Rewriting is more likely to occur in cases where the title is too long, keywords are over-stuffed, or the title and h1 differ greatly. To reduce the frequency of rewriting, be conscious of the following points.
After publishing, check the CTR in Search Console's Performance report, and if there are pages that fall well below the average, check how they are displayed in the actual search results, and review the title as needed.
A title tag is one of the most important items of internal SEO, conveying the page content to search engines while also influencing the click-through rate in search results. The basics are to include the target keyword in the first half, accurately represent the page content in around 30 characters, and set a unique title for each page. On top of that, add ingenuity to get clicks with specificity, numbers, and benefits. Taking Google's rewriting into account, continuously improving while watching the CTR after publishing is the shortcut to growing traffic.
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