From e694bb9535995908ecc8c24decd4a48b758bbad1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E9=B9=8F?= <zhaopeng@hainatravel.com>
Date: Thu, 27 May 2021 10:40:03 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9B=BE=E7=89=87=E6=97=A0=E9=9C=80=E5=BB=B6?=
 =?UTF-8?q?=E8=BF=9F=E5=8A=A0=E8=BD=BD=E7=9A=84=E5=88=A4=E6=96=AD?=
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---
 application/libraries/html_optimize_lib.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/application/libraries/html_optimize_lib.php b/application/libraries/html_optimize_lib.php
index 7c92ec4f..5d6bde77 100644
--- a/application/libraries/html_optimize_lib.php
+++ b/application/libraries/html_optimize_lib.php
@@ -28,6 +28,14 @@ class html_optimize_lib
 
         foreach ($html_object->find('img') as $image) {
             $img_src = $image->src;
+
+            /**有些图片不需要延迟加载，比如头部第一张图，延迟加载会影响CLS的评分，所以图片加loader="nolazy"属性就可以不用替换为延迟加载代码。 */
+            $loader = $image->loader;
+            if (!empty($loader) && $loader=="nolazy"){                
+                continue;
+            }
+            /** 无需延迟加载结束  20210527 zp */
+
             if (!empty($image->originalsrc)) {
                 $img_src = $image->originalsrc;
             }