It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://composer.apps.sicorp.jp/

  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4.  <!--
  5.    If you are serving your web app in a path other than the root, change the
  6.    href value below to reflect the base path you are serving from.
  7.  
  8.    The path provided below has to start and end with a slash "/" in order for
  9.    it to work correctly.
  10.  
  11.    For more details:
  12.    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
  13.  
  14.    This is a placeholder for base href that will be replaced by the value of
  15.    the `--base-href` argument provided to `flutter build`.
  16.  -->
  17.  <script src="https://unpkg.com/@lottiefiles/lottie-player@latest/dist/lottie-player.js"></script>
  18.  <script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
  19.  
  20.  <base href="/">
  21.  
  22.  <meta charset="UTF-8">
  23.  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
  24.  <meta name="description" content="そろばん作問アプリ！設定自由＆PDF出力対応で、授業・家庭学習にすぐ使えます！">
  25.  <meta name="keywords" content="そろばん, そろばんアプリ, 作問アプリ, 見取り算, 乗算, 除算, 計算問題, そろばん問題作成, そろばん練習, PDF出力対応, 口数設定, 桁数設定, 問題数設定, そろばん教材, 暗算トレーニング, 学習アプリ, 算数ドリル, 小学生, そろばん学習, そろばんPDF作成">
  26.  <meta property="og:title" content="そろばん作問アプリ" />
  27.  <meta property="og:description" content="そろばん作問アプリ！設定自由＆PDF出力対応で、授業・家庭学習にすぐ使えます！" />
  28.  <meta property="og:type" content="website" />
  29.  <meta property="og:url" content="https://composer.apps.sicorp.jp" />
  30.  <meta property="og:image" content="icons/Icon-512.png" />
  31.  <meta property="og:site_name" content="そろばん作問アプリ" />
  32.  <meta property="og:locale" content="ja_JP" />
  33.  
  34.  <!-- iOS meta tags & icons -->
  35.  <meta name="mobile-web-app-capable" content="yes">
  36.  <meta name="apple-mobile-web-app-status-bar-style" content="black">
  37.  <meta name="apple-mobile-web-app-title" content="composer">
  38.  <link rel="apple-touch-icon" href="icons/Icon-192.png">
  39.  
  40.  <!-- Favicon -->
  41.  <link rel="icon" type="image/png" href="favicon.png"/>
  42.  
  43.  <title>そろばん作問アプリ</title>
  44.  <link rel="manifest" href="manifest.json">
  45.  
  46.  <style>
  47.    .loading {
  48.      display: flex;
  49.      justify-content: center;
  50.      align-items: center;
  51.      margin: 0;
  52.      position: absolute;
  53.      top: 50%;
  54.      left: 50%;
  55.      -ms-transform: translate(-50%, -50%);
  56.      transform: translate(-50%, -50%);
  57.    }
  58.  </style>
  59.  
  60.  <script src="https://cdn.auth0.com/js/auth0-spa-js/2.0/auth0-spa-js.production.js"></script>
  61. </head>
  62. <body>
  63.  <script src="flutter_bootstrap.js?v=1.0.3" async></script>
  64.  <div class="loading">
  65.    <dotlottie-player src="https://lottie.host/405443fd-c073-4c42-ab97-4c2e9c936dc5/IzNjdYoVOd.lottie" background="transparent" speed="1" style="width: 300px; height: 300px;" loop autoplay></dotlottie-player>
  66.  </div>
  67. </body>
  68. </html>
  69.  

Home · About · News · Docs · Terms

 
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda