Fix broken Latency numbers visualized link

Author: chugunov

README-ja.md

@@ -1586,7 +1586,7 @@ Notes
 
 #### レイテンシーの視覚的表
 
-![](https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
+![](https://web.archive.org/web/20200702021143im_/https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
 
 #### その他の参考資料、ページ:
 

README-zh-Hans.md

@@ -1597,7 +1597,7 @@ Notes
 
 #### 延迟数可视化
 
-![](https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
+![](https://web.archive.org/web/20200702021143im_/https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
 
 #### 来源及延伸阅读
 

README-zh-TW.md

@@ -1587,7 +1587,7 @@ Notes
 
 #### 視覺化延遲數
 
-![](https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
+![](https://web.archive.org/web/20200702021143im_/https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
 
 #### 來源及延伸閱讀
 

README.md

@@ -1636,7 +1636,7 @@ Handy metrics based on numbers above:
 
 #### Latency numbers visualized
 
-![](https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
+![](https://web.archive.org/web/20200702021143im_/https://camo.githubusercontent.com/77f72259e1eb58596b564d1ad823af1853bc60a3/687474703a2f2f692e696d6775722e636f6d2f6b307431652e706e67)
 
 #### Source(s) and further reading