PR SEO

用內部連結提升 SEO:如何稽核、放置並構建連結以改善導航

Published: 2025.01.08 Updated: 2026.03.12
內部連結策略指南的封面圖

內部連結可以顯著提升網站的 SEO 和 UX,但僅僅放置連結只完成了一半。

本文將全面講解內部連結策略,從如何放置連結、如何稽核連結,到如何為搜尋引擎和使用者構建合適的結構。還會介紹 Google Search Console 等工具的用法,以及提升 SEO 效果的實用技巧。

掌握內部連結,最大化你的網站表現。

2025 版完整 SEO 指南:提升搜尋排名的全景地圖
2025 版完整 SEO 指南:提升搜尋排名的全景地圖

第1章:內部連結基礎與 SEO 影響

什麼是內部連結?瞭解它與外部連結的區別

Internal links are hyperlinks that connect pages within the same website. For example, a link from one blog post to another blog post, or from a product page to a company-profile page, is an internal link.

External links, by contrast, are links from your site to another website. Examples include links that indicate a cited source or links that introduce a related service.

Internal links and external links play different roles in SEO. Internal links mainly contribute to distributing PageRank within the site and improving crawler efficiency, while external links help increase a site’s authority.

內部連結的 SEO 價值:幫助爬蟲並提升 PageRank

Search engines collect information by using programs called crawlers to move through websites. Internal links help crawlers move through a site efficiently and raise the chance that every page will be indexed.

Google uses crawlers and fetchers to perform actions for its services automatically or in response to user requests. Crawlers, sometimes also called robots or spiders, are the general name for programs that automatically discover and scan websites by following links between web pages.

Overview of Google crawlers and fetchers (user agents)

In particular, when you add internal links to newly created pages or recently updated pages, crawlers can discover those pages quickly and add them to the index.

Internal links also affect PageRank distribution. PageRank is the algorithm Google developed to express page importance numerically. Through internal links, PageRank flows from important pages to other pages and improves the SEO performance of the site as a whole.

內部連結如何改善使用者體驗:增強站內導航並讓資訊更易獲取

For users, internal links are an important element that makes it easy to reach related information smoothly. When internal links are placed appropriately, they can improve navigation, increase time on site, and contribute to higher conversion rates.

For example, if a page explaining a product links to a blog post that explains how to use that product, users can access the information they need more easily and may feel more motivated to buy.

內部連結與 SEO 的關係:它們如何影響排名

Internal links are not a direct ranking factor on their own, but they have a major indirect effect. By helping crawlers move through the site and by strengthening PageRank, they help search engines evaluate the site more highly, which in turn can lead to better rankings.

Appropriate anchor text also helps search engines understand a page’s topic and related keywords, which can contribute to stronger rankings for specific queries.

第2章:如何有效稽核內部連結

A man thinking while looking at a computer

如何使用 Google Search Console 審查內部連結

Google Search Console is a free tool for analyzing the SEO performance of a website. With it, you can confirm the number of internal links pointing to your site and which pages receive the most internal links.

By choosing Internal Links from the Links report, you can review more detailed data. This makes it possible to see which pages play important roles within the site and whether any pages are isolated.

用付費工具分析內部連結,強化 SEO

Beyond Google Search Console, paid SEO tools such as Ahrefs and SEMrush make much more detailed internal-link analysis possible. They offer functions such as competitor internal-link analysis, anchor-text optimization, and broken-link detection.

For example, Ahrefs Site Explorer can show the number of internal links pointing to a specific page and the authority of the pages those links come from.

如何透過競爭對手內部連結分析制定策略

By analyzing how competitors structure their internal links, you can find hints for improving your own internal-link strategy.

Tools like Ahrefs and SEMrush let you analyze a competitor’s internal-link structure easily. Looking at which keywords competitors use in anchor text and which pages receive the most internal links can help you sharpen your own strategy.

第3章:如何以利於 SEO 的方式放置內部連結

Typing on a keyboard

錨文字最佳化:如何自然地加入關鍵詞

Anchor text is the clickable text attached to a link. By including keywords in anchor text, you can help search engines understand what the destination page is about.

However, if you stuff too many keywords into anchor text, it may be seen as spam and can become a penalty risk. Make sure keywords appear naturally.

Write as naturally as possible, and avoid stuffing the page you are linking to with related keywords. Keep in mind that

keyword stuffing

violates spam policies. Ask yourself whether that keyword is truly necessary for readers to understand the next page. If you feel that you are stuffing keywords into anchor text, you probably are.

Google link best practices

For example, if you want a page to rank for SEO best practices, anchor text such as “Learn more about SEO best practices here” can work effectively.

內部連結的正確放置:兼顧可用性的佈局位置

Internal links should be placed in a way that feels natural for users. When highly relevant keywords appear in the body text, insert internal links in a natural flow.

Ideally, when users want to access related information while reading an article, the internal link should already be in a place they can notice immediately.

如何在 HTML 中實現內部連結:掌握 a 標籤

Internal links are implemented with the HTML a tag.

a href="destination URL" anchor text

is the basic form. For example, if you want to add a link to

https://example.com/seo

using the anchor text

SEO best practices

, you would write

a href="https://example.com/seo" SEO best practices

.

By adding the

target="_blank"

attribute, you can open the link in a new tab.

使用內部連結圖示,鼓勵使用者繼續瀏覽

By using internal-link icons, you can make the presence of links more visible to users and improve click-through rate. For example, placing an arrow icon or a “Learn more” button near a link can attract attention and encourage clicks.

考慮 PageRank 的內部連結策略:將連結集中到重要頁面

You can raise the PageRank of important pages by directing many internal links to them. For example, if a landing page is important for conversion, linking to it from many pages within the site can strengthen its importance and support higher rankings.

第4章:內部連結需要注意什麼?連結太多會傷害 SEO 嗎?

SEO 內部連結的陷阱:連結過多會適得其反嗎?

More internal links are not always better. Excessive internal links can be seen as spam and may create a penalty risk.

Search engines value links that are natural and useful to users. Stuffing a page with an unnatural number of links hurts user experience and can lower search-engine evaluation.

避免內部連結懲罰:讓它們保持自然

It is important to build internal links naturally. Link to pages that are highly relevant with the goal of providing useful information to users. Avoid unnatural anchor text stuffed with keywords and links to pages with low relevance.

內部連結的合適數量:與網站規模相匹配的最佳平衡

The appropriate number of internal links depends on the size of the site.

For a small site, a few internal links on each page may be enough. On a large site, even dozens of internal links may be acceptable, but what matters is quality rather than quantity.

Always place internal links with the user’s benefit in mind.

第5章:內部連結策略的不同型別

An image showing many functions gathered together

圍繞層級設計內部連結:最佳化網站結構

When the hierarchical structure of a site is clear, both users and crawlers can understand it more easily.

Arrange internal links hierarchically, from the top page to category pages and then to individual article pages. This improves navigation for users and also helps crawlers understand the site structure and evaluate the relative importance of each page correctly.

The ultimate guide to SEO-friendly URL structure: names, parameters, directory hierarchy, naming rules, and more

將內容連線起來:引導使用者前往高度相關的文章

Linking closely related articles together with internal links can improve user navigation. For example, if a user is reading a product review, linking to an article that explains how to use that product helps the user understand it more deeply.

在內部連結中使用站點地圖:幫助爬蟲順暢移動

A sitemap is a page that lists every page on a site. It helps crawlers move across the whole site. Because it contains links to every page, crawlers can follow the sitemap and discover every page on the site.

Supercharge SEO: build a Google-friendly site structure with sitemap.xml

在全域性選單和頁尾選單中加入內部連結:保持關鍵頁面的路徑可達

Global menus and footer menus appear on every page, so they are ideal places to secure pathways to important pages. No matter where users are in the site, they can reach key pages from those menus.

第6章:利用內部連結提升導航的實用技巧

A businessman smiling at the camera while sitting with an open laptop

與使用者需求匹配的內部連結:把讀者帶到他們想要的資訊

When you think about what kind of information users want and place internal links that match those needs, you can improve user satisfaction.

For example, for a user researching a product, do not provide only links to price and specification pages. Also offer links to review articles and usage guides so the user’s needs are fully met.

用更吸引人的錨文字提高點選率

Anchor text should use appealing wording that makes users want to click. Instead of generic phrases such as “Learn more,” use specific wording such as “How to use X effectively” or “The pros and cons of X” to improve click-through rate.

提升內容質量,最大化內部連結的價值

High-quality content increases time on site and improves navigation depth. To maximize the effect of internal links, do not neglect the effort required to improve content quality.

High-quality content is content that contains rich and useful information, is easy to read, and is easy to understand.

衡量內部連結的效果:用分析工具驗證表現

Use analytics tools to measure the effect of internal links. By analyzing click-through rate, navigation depth, and similar metrics, you can improve your internal-link strategy.

With tools such as Google Analytics, you can analyze in detail which internal links are being clicked and how users move from page to page.

第7章:善用工具進行內部連結工作

推薦的內部連結分析工具

  • Screaming Frog:

    a tool that crawls a site and analyzes its internal-link structure.

  • Google Search Console:

    a free tool provided by Google that lets you review things such as the number of internal links pointing to a site.

  • Ahrefs:

    a paid tool that offers many functions needed for SEO, including competitor analysis and keyword research.

  • SEMrush:

    a paid tool similar to Ahrefs that provides a wide range of functions needed for SEO.

沒有任何工具能自動把內部連結完全最佳化好

At present, there is no tool that can optimize internal links fully automatically. Even so, by using the analysis tools above, you can manage and optimize internal links efficiently.

總結:用內部連結策略最大化 SEO 與 UX

Internal links are a key element in improving both SEO and user experience. By putting an appropriate internal-link strategy into practice, you can raise the value of your website and connect that to business success.

Websites are always changing. Review your internal-link structure regularly and keep it in an optimal state. When content is added or removed or the site structure changes, internal links need to be updated accordingly.