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-967465120073.mit-edu.top/post/1480296573

  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-967465120073.mit-edu.top",cType: 'managed',cRay: '90f3c19d7d95d639',cH: 'q59KLi0c2iqXiHTk52Dlc4PR3UBrmZ.F4G67eDHImzA-1739103026-1.2.1.1-mfhIddsPnr9N4Ngw.EmOtZ971rkurnAgDHJOgnMIfIKnxNJD3pdvh9_byF2NCuH1',cUPMDTk: "\/post\/1480296573?__cf_chl_tk=memm1cl3dd5HWBizZDyvffSOvhcmvYbMaUYDuAy3gv0-1739103026-1.0.1.1-dmYJrGmtDKLrq2Z9hrdAlEllL8_6D39j8Oj8bc68Kjw",cFPWv: 'g',cITimeS: '1739103026',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1480296573?__cf_chl_f_tk=memm1cl3dd5HWBizZDyvffSOvhcmvYbMaUYDuAy3gv0-1739103026-1.0.1.1-dmYJrGmtDKLrq2Z9hrdAlEllL8_6D39j8Oj8bc68Kjw",md: ".Dn0JpWLZhSd44gFazESF6EMDM1O3OUnsoB1LwvRSIc-1739103026-1.2.1.1-Qhg5gXZ4OuYkxFlstJDdGOe.2wWFN4U5dvZNlsPl4OwibGPy0D0oIqp1NKZgThF.M7FoiXXT6NMbslenV0FvMJsQ4OJDqwBoNab2PROPFeHsarA8n4E_Nzh2sX7MpmAKUbk01.X5tu3c3QP7mXzt35N5sTehA0IYu8vXuIbWKU8XeNn0XUWvii6EsUfnEY.7aJ2KPmmVdgiqprk6KhtlGLthQVNmGKBcPqU66D9pL.yfzmw8_GNLAQSk9CU2V6HMxw209098JwQYQOdSnAJ2l.ArN5IKxvs2omBe5Q9TNg746zio6gpeg4fMe6Vw.4Fnuw9.DHaykaaH4gWiX7R30lZ_jNE61Is3INRbn1su7zbKAr5gc82.QY0isjaRIg84XT9_OVexYogcKnPNjgWbWnGqswhJlZx3PPhtrE97ZxBH3iMeh9NNu0rFaAxfn6zeABI9FuyUamAOWZHGLPU3c7YvmZ3j5POX7Gj1Y6gg8fQeokh1yYgOSWimyZWj0p4fCW8K._y0RBBhaIig2ol40PRxd5dK2Sp03JbVFbnuFYKApdex_Y7OwesKWud32UTYKZEF4LcHsTVwaXci87mBfZan.5RBZ_N45DJmgQfwz6ZQpxN8tU34aOyjMCvDDeeJkJSYF46guKAWFZfyE5vDRSl4kZFH4cl.e6luKn51M53.lpvxki2vepDFbVKuSOgsyumzSvmvWlebJPmZGhS7VzSn6othW8svHmw32jFYhLjoopKd6ypsihkGc.j_oNImGfaK84uLQ9l2Uh2kHG1kMe6qxrIHZnEVr6t_49QzmI4387NkXOE2W9TCPltZkVQsfrMaqwIXRq6mnhh7kqdKtXcDGHkV.IRUBmLIW2Q4X5r1CllqWNh1HpRr56cHwkjt5An6nWF7hlmZm1sAvfM2hYlWpNaIzPwkOYTuPuZyv.QtwG._.piQdD1nDHWyG7NVQQlFAUg1zOUGIr3KZfWaBsIhHk.7GB5zVssHF8MVrUpfc5m5Nb.XGAH7X2bV5zOsagsOgKsnb26dyQDc12ea.LRZOSlr59UVwvr1IKyXMuuV1euM3BVOA6t913CD7R16LNFrx01ftvU0hCQOdyMKSa6VWIPCh_ilv4F7VhEajF_q8r7vME4lbj5cLdtPqh2YT3YbMYxcjiMsJj2Fj7VpKEF_tkFI._7uR6pLGSjK8Il1aOBO7sds6RGjR_2eFqU15hGAiez48Zgexf_lKeUb3kfpQn7Lp.qI2sjJl9wn5lozEwU1E1re2qkzJEAdh___8rdh46ANk767u5OGXEONvxhbCYjPES8Zfzr.jFLgVGY4n6KDYW.o1SQ1tRpDS7whefyrl5mBEHj_YgBU1N35IkfHLnYBUk.cG7Y1Ibg4qVtWbIdMc7jLd47nhJcQN0e8yIeJFpVOPuIW5RtKSi8S.BnilFV1lN5xHM67EpSeYEovT8sFOdWnXQpVI2dA1oudl__KGYi1VP5T7QuWHV8R0.uPyUdAUrEkvqkon6GYbjtIUXLK_evk0aCUF360kgoKZo6t7nmzb033Q7YyxWBEaBtR2q1pQrYdAqlLjQIvK3NbCekoj0uupIkt5ZpcuHR8zPvl.5UvlBXSLQzk0VIOMMLmQx4PCZcMS.uvajNKACiovTIqSX1MuXtUDn9eaYDwiCVxvD_waKVQ67px9909Lm7NM_T4RPdHDy83yeJyENpMmLrgvCEsepOIKMHwgT7T9Ndm2S6Gr.aQoctut5wy8iRzer645_fkKMgbcHGzXhkTOklsO2WAYKA6g3QaHqXhOejIbSfW8BODeE1IpmbZnaBbAIdrMKCZc8bVRAaAlISydpSaWL4roFAvk5fuoVNX595yqL1DzKgkgDr5G_TwbWFz1aho2Wpd_Gt4ImBaVZ.nRqrcX3qrR.L0_vAEzmJEMF3nCcBWKh5S8JGLoq6VyzoLvAzN_XQyYqhK8R4I15sk4hiDcCzrkI.ZiXxFflIGkZzKVybdZh_mQxuhkvgV8HU7yLRIv_bHqUjhU5OVUUbNrszuIZzNLRNOq.dUAp1jMw99Tas3tt9cR.fHxtE.3XdY8QSkxe_F3ruYdBdUNiw8jaCTixRI5LG.8G.K1ean66AbwjSHeuXRAcn7nXpWPRljBTnlHCXw0pfs_yWEV_oWxHbAZSdMSd9dXkxQ_WjkIlW1OVoZhdzCOXyZoP1mVTCGwYNDl_xLwAyXeUTiJuqIgcJ0DeD6T9KllHDigLJi",mdrd: "BGiAvcRF0EeG2cBIe0qyeeY34M.plBGNAirb2lxSfds-1739103026-1.2.1.1-c17jA72NvG_OJGVNh5dtso9ZmU1KWYfURT.s5EuU4KG3QpgQB4yU9ozPKyNyquaDkuId4899gZ8n9I.EJaW0jf4h0gYnL3hNr4SCjqMwJLWov915AoEJppT.4lYyCJCIPj.jAmez3npcinvbORvJP5s9rLU.e3rox0YmXaZrvO93aKH4HbJtG4lEwfDv3GYwcazN2Nauqqq2MFuM7n_JGdKY2.Yo_ZBJKQnECwy.vtWGnaNFHFL80aXAj6V4TWPddvswpxz184LwPwb3MfblgoN_Zw.MObYSkY3Z.lhwJSK9UKOJWDXnc3GOIRlmd29UwoLI0oslQmv3WbZCMtTkG9XPJwyi4jIYO68kzWvtwUiisdgQlhR48UUdOd.mE._G1VICv82FjabtpaJU7JP7slzfOvSEqcIPIVRCTdQNU0UoC8QAsPmbUEHcgmW0bWRGNG8Po_JjF_sLQAblAseMnlycEZwQitvhTW9H2GlFV58O.ukcPicBAqSWzCOLl2bmyzPmg2MfYGPpyTu68qjVjusqWKwT8bhKy8QuGaokZDQ_pJXS9mBqlErpPfIEneHydluC2XlMO28KgUKTwE.IrpwEfvSvUhf1WSZj_Nk0qET1UllVySzq2XfN1ojXslBoIyJBZo62MY.cQ1zoAU5LbgTUO1qROQqTgiMk5AWjygybYXmKSYmAJqQg8Pn_LVBnj1EtULIkyytjd_Rchvt79QCYkfYUNZP7Zc1g7c6Qjtb9nRTqZZThBk.Uxom58EW9v4V2gzNFdDTjNIJPU6mZsv4v8.AlRVKP.ZtoZ.wpHRdOOYEnYif50lpfOfWphs_QA6McgqOHo9jOE3arbxd071Uy5KrnfM.YZYwhC8SMxBTLMkILo7lJPFjRGy6xgFQJJgw8o6HNEyINp9ywfmxuiYUREAUNSvYuTnMc.pa.TNKqULtDT2750.REhlFaPdwxX_Mb0ghTT5BpOX1luEqPyoRJnFFEteZ2EQFQTEKXAMexVCxU9.5453fL6OIfH5.x40A6W8_1zxXzF_QUp4IuzoH4ydlKqFqefgJTHq6xb4QoKxS8Q3xoP2JzHbrMcgOHA4M4LBzrXPZQMtcy9PS5rBD_QECHdFYejoetSjj2zI7BrpoxlRv.NFWRIH12pHJrj7CM0KYsMwu9VmFg.q1UwYJtkLLzD4yeC9VpYpWKHxO.Sw1jOUnw17DrZ5PuoTz8xAYafSpdCbuL7ucVuwcEqtjBr6fyrpSit6_ZExMOe3PjJ5Oa06Fxcb0j8Cq3jbSdP2ErAOjUeS8yUZhmMWyKsOVDZ5Fckzaml2foSHSl18qdjdIHALsnqKdfZQdDCv2w.l6FU5w1Vvn835AofsZV1SNcohABB2a7RB7T9MMAoVPmj9KQjP7vjrIbzUeo5yvxhSb6EJ1FOQ3qKQ24RqvaO8hzV0QS6wWB3n9lBJ1ovWbWQNn_hcscEMl7K8AUHISJi8bMNbHy0oc20nmxnZOaQrRJXkSpObidxhMx61XE16qNV471rIVqLdPe8pnloCE7k_9Ec2jA8KNTKfttLKLv4C8nGkivlxnwVL2hGJUn0gaTSIHHvm6qM_OluSQ77vsle6xoCLfWq6VNVLWzKPsUE_8iuHMj.OUuX8ZQqgCgiR0TyIPC01gA9PSdYek8G2ZTrLb58ymZWjh0_tCfMOdHlnvTndH20Qp3kDHSsPnH2ol6n__a1_gA3yej9WRqelfTK7oLEAZ4uGV6EJgmRHrELKZb51q_0wZGlqLv7rFBoF.bpC36IR2E.QxBKau_HJsrqwnebMlR_P.V7099GpBE2OGVO2mB5MZBRyoNlVpCmKI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3c19d7d95d639';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\/1480296573?__cf_chl_rt_tk=memm1cl3dd5HWBizZDyvffSOvhcmvYbMaUYDuAy3gv0-1739103026-1.0.1.1-dmYJrGmtDKLrq2Z9hrdAlEllL8_6D39j8Oj8bc68Kjw" + 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