Here are a few options for a WordPress post_tag description for the title “圖片使用” (圖片使用 meaning “Image Use” or “Using Images”), along with explanations to help you choose the best fit:

**Option 1: Concise & General**

* **Description:** 分享關於在網站中有效使用圖片的技巧和資訊。 涵蓋圖片格式、尺寸、優化等方面。 (Shānyàgōng xiǎnggōng duì yú zài wǎngzhàn zhōng yǒuxiào shǐyòng túpiàn de jìqiǎo hé zīxùn. hánggài túpiàn géshì, chǐùn, yōuhuà děng fangmiàn.)
* **Translation:** Sharing tips and information on the effective use of images on websites. Covers image formats, sizes, optimization, and more.
* **Why it works:** This is a good starting point. It’s broad enough to cover a range of topics related to images and websites.

**Option 2: Emphasis on Optimization (SEO-focused)**

* **Description:** 學會如何優化你的網站圖片，以改善 SEO、增加頁面速度，並提升使用者體驗。 (Xuéhuì rúhé yōuhuà nǐde wǎngzhàn túpiàn, yǐ gǎishàn SEO, zēngjiā yèmiàn sùdù, bìng tíshēng shǐyòngzhě tǐyàn.)
* **Translation:** Learn how to optimize images on your website to improve SEO, increase page speed, and enhance the user experience.
* **Why it works:** This is excellent if the tag is used for content focused on SEO. It highlights the benefits of image optimization.

**Option 3: Focus on WordPress-Specific Usage**

* **Description:** WordPress 圖片使用相關教學、技巧和最佳實踐。 包括圖片上傳、設定、以及在文章中插入圖片的方式。 (WordPress túpiàn shǐyòng xiāngguān jiàoxué, jìqiǎo hé zuìjiā shíjiàn. bāokuò túpiàn shàngchuán, shèdìng, yǐjí zài wénzhāng zhōng chārù túpiàn de fāngshì.)
* **Translation:** WordPress tutorials, tips, and best practices related to image usage. Includes image uploads, settings, and ways to insert images into posts.
* **Why it works:** If the content primarily deals with images in WordPress, this is perfect. It targets the process within the content management system.

**Option 4: Beginner-Friendly**

* **Description:** 簡單易懂的 WordPress 圖片使用指南，幫助你輕鬆掌握插入圖片、調整大小，以及優化圖片的技巧。 適合網站新手學習。 (Jiǎndān yìdǒng de WordPress túpiàn shǐyòng zhǐnán, bāngzhù nǐ qīngsōng zhǎngwò chārù túpiàn, tiáozhěng dàxiǎo, yǐjí yōuhuà túpiàn de jìqiǎo. shìhé wǎngzhàn xīnshǒu xuéxí.)
* **Translation:** Easy-to-understand WordPress image usage guide to help you easily master inserting images, resizing, and optimizing images. Suitable for website beginners to learn.
* **Why it works:** Good for a blog aimed at a general audience, emphasizing ease of use.

**How to decide which is best:**

* **Consider your target audience:** Are they website beginners, WordPress users, or more advanced?
* **What type of content will use this tag?** Does it focus on SEO, general tips, or WordPress specifics?
* **Keep it concise:** WordPress tag descriptions are intended to be brief summaries.

**Recommendation:**

My recommendation would be **Option 2**, because it touches on a common use case for image usage and promotes SEO. But, again, the ideal choice depends on the specific content you plan to associate with this tag. Just pick the one that aligns with your site’s overall goals and niche. Remember to keep it concise, clear, and relevant to the content you are associating it with.