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://blog-689281132165.mit-edu.top/post/7436590812

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-689281132165.mit-edu.top",cType: 'managed',cRay: '90f98b2228633952',cH: 'SjWNSkh_ClM4PgxOVNyXB7z6MZfq5lEqzPY8eemdDF0-1739163709-1.2.1.1-ivm8j4Th9LbWI0GwIAuRjLdYUmqPWTYwcEcXGRyuhe_rrqxXD4sWSzfdmfOEFh0r',cUPMDTk: "\/post\/7436590812?__cf_chl_tk=zjnGSVc6mfeHjM.MT2T4fyqXYMNJculVr1.gO8b8bUY-1739163709-1.0.1.1-GaZ7UCTW0SFQc_LlAhnwmKcV.wlfWqsmyZGerAWsDZw",cFPWv: 'g',cITimeS: '1739163709',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7436590812?__cf_chl_f_tk=zjnGSVc6mfeHjM.MT2T4fyqXYMNJculVr1.gO8b8bUY-1739163709-1.0.1.1-GaZ7UCTW0SFQc_LlAhnwmKcV.wlfWqsmyZGerAWsDZw",md: "w.a.XBijv6X1NiUQ8GGfWJAOEYTKM6ZGCkcZu3rGGhQ-1739163709-1.2.1.1-SB9K1OQadR.e2VyHf1Oga2zlUWRkVYRe0VkIsuL8_R0dNI4aEvVSwSQ51zM1zI8HJeE42Yq3oQcS0dY15o1uPUp.l3Br9wjwzwZw4nhI74sB4J8e.KuxgO6I5ceKfFbNm8r2.wRtXY6JSuydfG8wxdr7Gts7T7qXtiQE1JMKfScgcHTfDXwOW_oOJq5tebumGXvPQlDClRwxYArSpERVyF6U2PdqxBWVdt4IX29h81QuMoY2AJSJVaR0JOcKHnHPD7ThPh47I5k0Vl2edjtafWkwsZCu_V1jVlEz5i2iMfEWKeKlLLVAA3HUNZis.b8uAJdK4mrzpYR3ZJo9HnqvxL2YKE1VrNkCA9SVPBgjDVky9h8bPXc978C6X5_XazWr1.ZkLnu3iPoo9AWdkONeUTjJdZ1Hs_OAIcaY5Q3wrINi.oeIkxP8grPRp5T0GgWqjaFh5GWRUjhdt8oPGAPmZj_4OfiOKy4by1gk.z5clvVqYZPIDPWK4NfFfUCu_0cIKA8YRdxX.fGi2VvtZTKaMCVe.XW6Z1bTlXAjcZNCHO1.tq8Ajr_kZKcTyh2dMQouJO7imvtJNlLmaySaILcfqteUzFsLGkcwIA6_SL58QriZ7.XQ8inngt3KWKqRMkXc4YuQP_0wC1MDEs7s1ZuZzeg_nXRi20C7iinOdB0snYLEVsiOOY_cTXk7_KxhhFvb0EnUgtL3UFiXyNxBWuFocTDk_J2w6C_1JpwsfIrUF1pvdVOlBqUlhxEDIhcA1w8Mm6TMpA6m0FH6nD3ogOVlkcvgZ1x9ZYitUwdScF071yjOFLff1l4hYSB0LjjSFDEaZpHVT_XpxGjiHrljzwOM0C8bXuBMCQpdAkSeXgunuKRi_8_JcizqGh5d0l539.jYDCPOIOQosSMnBKL996CMGIc58QNz6WSlr9.xu6y6nfmiVliShk72Bm4hQlOM8CrmM706BmBlAL2wqauTCdANx6ohg2BBnOyOO8UfPEXZdhN9ZIKqzitB.AbtcLlFE7EEuCeeLsNb3vWZ.IcgyY.Bv5MOr2ET6uwgCI4ppCNQhFapuVFuR.CnQHPwHA8HpmUjK.S7UJ0bda_kIq4PcfSf3Hbquw2ABOpXfd7ajD5ebsJpJUuQrHUINSN0xJDnkTOWjTtNkY5LsBMsUt3bFVVh5GIfp.StAVa_rCAUrVHuKKGgFd9H54kOWUkxqeF7RgogXcmepiBgVnaw6aFsNssPWNrOB8U9K960TVfKjaGex3ZTA3zapyZ_m4Xvv5Am0TsYflFUkpDjvW3GEWJ3TVITSCrE7Mf1jdMl_lkyn_0J.bd31qn_OvSBouImpZNqE28d5daSx5L48oJMswFJ4ppY8.mI_KS.OpwWMpGgHyehUW0fYvfxcQZFzUL8PTmcp_4ZCWUA3ck4UiYwc8TIQeZYygbnDoMN90xkKGo5NM4ePXuhaUJM9vqSuX9AOJ6logPplPKIj32SXljzPhuFyHkBKCQXV2KL76c1z61qDXNUSxj_jLtEjM6JKdqaBIEgecbsF0UA12ZYsSCbsK66tNtMFEUAhnsGWEzz12z5nYRxbp46Kploh7HQUPz6garh36Geyy3CtdI.U0acZEqngwIkn1ATEXzkFrutVY97KUrFRuN8DsSSE.R15syeKswjNdbH0KE8IE9G3r4JTwERyv1HutzQnXVcuerF_vZ1SGVPmaN8j4qbfGymCujvKnatPhfGWkSmFnk2CxKfJWAqnKIRZJtmaJ488Zs3juvFFTullkE7HCat3SB9DHeu9Jh5u_YQV1xqeUIvs.QsRp_cD8OGszjvYMUjnv5rKRksJL321wjP0RaM5ZsgALv.Pcbu_s4gzTELV5PsidPMB9LTovfmy4N0USVh07pSCca.FOXTYq.88i8ltvIYMDxqeGokdqqphbzK4oWiM00fYyDIrE_2yVQjTK_4ahVuyQ4_hEJ4Asf7gGEcuTSS0IdzMHH6LzuiO6vePqCZf0iBpZO.Y1MIgZD35mge7Up_YJyncV9HTtxf5Yx1DUkVSmmaccLvczNGBAyTSGZjuPYzbAK1QDZNdLj4Exi8xB95V9Rm2ELC9e7BjdyFnEcYjyQ7gRz.0CvUzWXBS7QR0ZcDYK9r.p5dVDc1kYOePjM..y4bJxaq7pfjr7c7XYnbzm9ms77AIUq02VRwY2.ko42DsDzf4LSgTST7fYp6Y1XNECAQRekzK66wMtgbX1foS29AB4jRtNty",mdrd: ".ldG3XRPkI6fLUY7pFKNfAyq_pChi8.2hqzKF0hR7kw-1739163709-1.2.1.1-PWx97vIDY774hL82ZfRIIt4MFi.CvqKz6B.xR8b.0efVRO6ZPP3ImGi8111m2tjBZIxNwNRMajiFZg1ki.8uLHBlTxmxCaGJzx3vWk11XJa1Vs2NPGDB1eRTQ_CuABkTnzTbfGz5kSdS.m15x48o6m2uLJ8Ofn_3KMDkakVmyxcxrE29ToK7vSoTr2b5E_VZND.JJeJCjkTjYCEcIJAWoHu4y4va8seOJJtIEeArszMijKLgtuBB6RVOlvDccuuTZZeXD9CdVkYw6P3bFfVMg4sl8mED9ddZUQY3da3lXzdENO8PfBn2XTF4gA02rDInZyNHtl7xTYl5JsGGHvVM.CpGk5w8S7Og7zAlS6lGUgoVtlY5HFdDe9xYg21BJVGTst7lO.Folf2piIbXNMqsdZo1USfcs5WS6.WhtRmoSrKkn3dxkcjlwbMYZOeApe4whBjgmzm76DLijsVG9RxJcy4azDzaG7bNpM261Eayfg1vOTpuOaOqLdOSWX7KHO0nbdH.dHzrRtaNyaO01C3J8.uOK7vnYcGt6HVa_lRAPqg9s8evPSuxJxG6_kk6dmHRLfYvli5EslIA3z2VrhKj05YliY3l_hDp3VTiLI2rnBMfCLB0jfZejeom_pXiTYnEdWRISyKVdI7wJJCBmWkMUua8Iy4UubqqOzDHvrjtrjwElybqYvjSggf_0iAkw7XsdSoV5N4b3O7dxPexoAL_MQBK_jgpRORmzPKXU7WxIrNRlfQQfWqAcoRTc1mfThXEnbezL5EOzYIiFqYNUhvfSGjuysvBvaVvr4hxyph3Wd3ODxePWQ3J05R7T_N_Kj.tOLPxa0h_qyQJ8IxhGyHL7sJVUO0FTTtd_cVUk3CJ4Jxt8NE9vIZt6qnVu1MSm7F3C4_37cv3VR_17ejIvDe7lc7XbHyOCM8Eyihh6IA_OAqMHChdloo1HbqHQQcEqHpIm1PqIKrYr9Pp4SLgqC5QdVMhQrma_5gfjvg5O1iNedQFnLEe6ODjfI9cXEDevLhEyUjZ90zql1xJNUE2DnSaGnGGe9nixfPCnPWKRJbs0byfpSc4p0c3JjjkktCg.hEARhuHRrXhquFStQcc7u1NG0ZmmYWNegRb7IS3ltuHOS4NYYe20Jw35Pzqd7TojWUwpD16m6ZhAC9pIie9wxIrPkJMdRNqe36VOOWOx56Ed1.CHDJzAaaPt3VGFZdzyimImlwlCVhMglI5jm3mfmkNLLi4W2j7IHA4sCO6JLaK82i0treC1b8Xz3JBsIG4k1qKhhCeS35vV2HWU_6NDUKfSGsPkh04N5JgGRM3K7Qi56NPuOgpHTw.HuSYlIsa.WenW1xFVgjaVOdvXlAHTXdtO_pRVm4dPY_NnL_y6Wdomtkvu_2Fht9mmXR6Y8aifTtv6E2AFs2kK_b_xKkjbop0zlVZ1ogbPy6OPzvWiWXjs_y7FpXbxsuv6OntrNU7gKOKCB6ppUcFFgIuQ4kjBtMgxR98ybV5BgGiSrl57KOABKn3AkCaR7gjGUd3SguoiUM8NCN08Vy6sVO3ZMwkrQN_kcT2PVtX3nVn5a9smbyX71oHsMSxGyJ3k8nPF_a90Kta8D5qSuxKLuw0r5JsT7CGBJV4CdNLZf57OemkjBnYetzwkZ8zbGqe86f5Mlbwjlz144wZQJpJWSiAlc2xmTiBVukhztYa9O1RGNDrQSX.Rz9uIWAcQDlDS1ErPKFIPl2J94plnQBL_6OVvmvRHGIFXG4hi1NJV5T91WT_wU6n672fJVJ.DbapbAq5d3s_cSkag2yupVr6KGoQklPqcpiMzuVo8J.ioomCDP3KidGvQrQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f98b2228633952';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/7436590812?__cf_chl_rt_tk=zjnGSVc6mfeHjM.MT2T4fyqXYMNJculVr1.gO8b8bUY-1739163709-1.0.1.1-GaZ7UCTW0SFQc_LlAhnwmKcV.wlfWqsmyZGerAWsDZw" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda