网站最佳的图片尺寸不是一个通用的数字。它取决于图片出现的位置。小小的缩略图、产品图库，与全宽主视觉，都需要不同的像素尺寸。
请以实际最大的显示尺寸作为起点。如果博客图片以 900 像素宽显示，导出 900 到 1800 像素宽的版本，通常比上传 4000 像素的原始文件更实用。
实用的起点
| 用途 | 实用宽度 |
|---|---|
| 博客正文图片 | 900-1400 px |
| 全宽主视觉 | 1600-2400 px |
| 产品图库 | 1200-2000 px |
| 缩略图 | 300-600 px |
| 标志 | 依版面而定；SVG 通常更好 |
用 Image Resize Tool 调整副本尺寸，再用 Image Compressor 压缩传递用的文件。
常见问题
网站图片应该多大？
应该接近它在页面上出现的最大尺寸，只有在高密度屏幕需要时才额外增加像素。
越大画质一定越好吗？
不一定。过大的文件会拖慢页面，而且仍可能被平台再次压缩。
Resources
参考资料
利用这些参考资料，在指南、对应的支持页面与内容创作者之间切换。
Compress JPG, PNG, and WebP images locally with quality controls.
打开工具Image Resize ToolResize images to exact pixel dimensions with local browser processing for supported files.
打开工具如何调整社交媒体图片尺寸：Instagram、YouTube、Twitter、LinkedIn使用免费的浏览器工具，为 Instagram 帖子、YouTube 缩略图、Twitter 卡片和 LinkedIn 个人资料获取正确的图片尺寸，并让你的文件保持私密。
阅读指南图片压缩如何影响 SEO 与页面速度了解更轻的图片如何在不过度压缩重要视觉元素的情况下，改善页面速度、用户体验与搜索表现。
阅读指南如何在不失真的情况下调整图片尺寸了解长宽比、裁剪、拉伸和目标尺寸如何影响图片缩放质量。
阅读指南为什么上传后图片看起来模糊？一份实用的模糊上传图片故障排除指南，涵盖尺寸限制、压缩、Retina 显示屏与格式选择。
阅读指南Leon PatelCreates how-to guides and photo tips that keep the advice simple, clear, and ready to use in Gift Studio.
查看作者Dylan RossChecks guides and photo tips for freshness, usefulness, and a calm editorial voice.
查看审核者打开 Gift StudioApply the guide in the editor when you are ready to make the gift.
制作礼物See how the article was reviewed, then use the buttons below if something needs attention.
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