內容簡介
**總結：**
atec-WebP 可自動運作，無需配置。只需安裝、啟用，並開啟 "WebP active" 選項即可。
**問題與答案：**
1. atec-WebP 與其他圖像優化外掛（如 Smush 或 LiteSpeed）的主要不同之處是什麼？
- 其他外掛使用批量轉換，包括所有上傳文件夾中的圖像，而atec-WebP 則僅在需要時轉換圖像，節省磁盤空間。
2. atec-WebP 外掛支援的圖像格式有哪些？
- 支援 BMP、GIF、PNG 和 JPEG 圖像格式，並且支援透明的 GIF 和 PNG 文件，以及需要 ImageMagick 支持的 BMP 格式。
3. 在啟用 atec-WebP 外掛時，會對哪些文件進行跳過轉換？
- 不支援的文件，如動畫 GIF 和帶有 GD 擴展的透明 BMP，將會自動跳過轉換。
4. atec-WebP 外掛需要哪些條件？
- 需要/.htaccess 文件的寫入權限和支持重寫規則的 Web 伺服器 (mod_rewrite)。
5. 如何刪除 atec-WebP 外掛生成的轉換文件？
- 可透過 atec-WebP 控制台提供的功能刪除這些文件，不會對原文件產生影響。
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原文外掛簡介
atec-WebP works automatically, no configuration required.
Just install, activate and switch on the “WebP active” option. That’s all.
Most other image optimization plugins (such as Smush or LiteSpeed) use batch conversion.
These plugins convert ALL images in the upload folder, including thumbnails.
This is not necessary, as some of these images might never be requested.
atec-WebP works “on demand”, it converts images only when requested. This saves disk space.
In case you are using a CDN the rewrite rules to serve .webp files will not be effective – unless you exclude image files from caching.
Please check the response header to see whether .webp files are actually handled by your server – or delivered by a CDN.
Specifications
Supports IMG_WEBP_LOSSLESS quality.
Supports BMP, GIF, PNG & JPEG image format.
Supports transparent GIF & PNG files (plus BMP with ImageMagick).
Unsupported files (like animated GIFs and transparent BMP with GD-extension) will be skipped automatically.
Requirements
atec-WebP requires write permission for the /.htaccess file and a webserver that supports rewrite rules (mod_rewrite).
Rewrite rules will be added to the .htaccess file only if you check the “WebP active” option.
The rules will be deleted if you uncheck the option or deactivate the plugin.
Image requests will be redirected to their WebP counterpart, if the WebP version exists, otherwise the request will be redirected to a script in the ./uploads/atec-webp folder. The script converts image files to *.Xwebp.webp files in their respective folder. There will be no extra folders for the converted images, so everythings stays in place. However you can still delete the convert files at any time, as they are easily identified by their .Xwebp.webp extension.
atec-WebP dashboard also provides a feature to delete these files, with no impact on the original files.
Attention
DO NOT disallow script execution in wp-content/uplods folder by a “deny from all” rule, because the conversion script resides in the wp-content/uplods/atec-webp.
3rd party scripts
The plugin uses “basicLightbox” to preview images.
Source code @ https://github.com/electerious/basicLightbox
Third-Party Services
Integrity check
Once, when activating the plugin, an integrity check is requested from our server – if you give your permission.
Source: https://atecplugins.com/
Privacy policy: https://atecplugins.com/privacy-policy/
atec-WebP and Cloudflare compatibility
The plugin does not replace image files in the media library nor does it alter the image attachments in pages or posts.
It works by serving .webp images instead of other images formats by converting those images in the uploads folder and rewriting requests to the original image by the use of .htaccess rewrite rules.
For the plugin to be in effect, the browser must send an ‘accept’ header that includes the ‘image/webp’ mime type.
However, if you use cloudflare, the cloudflare crawler will not send this header, thus the redirect script will not run the rewrite rule.
As a result, the crawler will get the original image and atec-WebP is not interfere.
atec-WebP and LiteSpeed web-server compatibility
LiteSpeed support for .htaccess files depends on the web-server configuration. LiteSpeed must reload the .htaccess after it has been altered by atec-WebP. It can take several minutes for the changes to have effect.