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-737783344000.mit-edu.top/post/1528067394

  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-737783344000.mit-edu.top",cType: 'managed',cRay: '90f35820ed7fc97d',cH: 'CCnLSRtY3i9OZCuDoQ6Th0P8eA8V3e_mFy1JjTGmhCs-1739098706-1.2.1.1-6PwJnQkW_iSB1mDreu8M9VnDuH0Y9DPmGkayn4yZei9UtKZYeZ86sJ.Aj3cNpXXk',cUPMDTk: "\/post\/1528067394?__cf_chl_tk=YTyuj7V12jB1KLfnQGqxO7.VYZpPKPWlQQnIpkgr.Xg-1739098706-1.0.1.1-sanfHUuF5TdRGuDr8eukXIngcg85lz2Q4BoLqPWV4SQ",cFPWv: 'g',cITimeS: '1739098706',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1528067394?__cf_chl_f_tk=YTyuj7V12jB1KLfnQGqxO7.VYZpPKPWlQQnIpkgr.Xg-1739098706-1.0.1.1-sanfHUuF5TdRGuDr8eukXIngcg85lz2Q4BoLqPWV4SQ",md: "752F9GLQyHiIopAxj1gFKHG3CqzClyiBlGRJt9NDpcs-1739098706-1.2.1.1-l2ZfCHeUn3BesaQk_1kW6XqqfEv4I5eTOtwHNoSL3TW3fQSQ6gpDT3in5iILY0VlMHhwiax36wYoHlpc3F4Bpqb.Agovef09IuvK4_XNboeHU0Nf750OFkdhPRqgwkUOBlC5qb2aLxQ6_DvBGS3D0CIcnUBwNgrA1BgBHrB2nL5noKYn1zn0YK5CZvrIqt2csHgfwNVjL5ofJVeMgNVwtay_n_qwtfw1.K4DGjzEjNJZBoT5hV0MVGQW5PXUX4HBKpz23YAH1KMRM8hHg9HcZG3cXzLWrm6dmnakYREbuLRpLRug9Vh3hY5x9On1xWRb88TNCstO12atKhuxJ7vwTN7NPGtyEowqWQAak66wZ5pzGpGThQsHT2l8wv.DLVpyRb.gcJRrCln.rhVmmfjLcDDBM2ugDwuKqtQTxMPF589sMZq2wYAchWWjy.QvyfVStguffnRD42gslCOZAnsQ3CtX08akG6ahdGmulwnkyam2q55IK7W3hS.LFMr_71wCg7UeoOB8qu6TZzP9VNJxLEEdFjH.SXG.hJSo9tmi_ZuzJaqAoXL4x81yrsOk2wIhENukrApLV2SooHbVhHhhx6YjHpMHjnqmGtw_hrhMeFIg_Jc5.OUFziKG_6zeY3JdqYuFn51HPANcZhPV96o_JhlkTNGvFoNtgpJ0jC_WrLQ7Ewg3l_EfJuCAFGKxMUsTZrDxVPAvcJCnSneEsIbtj_cxlHVJPw7eb3SUwarPwf.9OJsO1IHQj4tZiSRFCTEgKti316MN24tYfsyfXp0XF.uOXnNRU0EROK7vN6JsGShbJZSr0r.4qtmz6ExNJXkrs.WAt46dAJf_o0nWHdfLM0xX7j9x3JBbu3n_A1TG23r53Y5NXmKnTMVe.OQd7bkOpaKQMEPmK.Per5KvI_qtU772AJOupiES0D7cFzmn0U9i84OlSQvxovILPaGos5osH4vfLdyyKNVJILAS0zulPxtDF8ccsvMA3qF7vUReFSCr2mEdnt_sK3FTvNVYHnw370nwbPB6euK2AQm6KPC0A6BqD3VOu5v82n9dIXPot0KUQBUKgNJAdXYutI.F6H8yG2ppffbKm6_PjLzAvj5RocuHPxZ9oMJtOHInY8IuXhzh08XHq6QI1ZRIx4ogbV4A22vmX3vllNy.RpWCIxAqNarbUgQXQnMbOY4nGbBohKPYHv.VnxGnUHb6d5nLmNt1CescvR8Nx2oZztGfvePK0h3GmMcK52s.ADXb8JFnjkU.E5hjNbm7Bb8Pzs1_pnv56l24P1yZl6RTEhitaybILG_d53P5ncSeBw2czd1R2UWJSYh16OUVBW80uc4kAhtM1NPV9wr_gtTL1wqq5ZiaVmlJXjZJhc5NnIbxbhxD1P8gM5lmKdw0fPEDbUL0KTxY6on1.gdELpR6GzbRA3xWTrVtZjfntPygrXYqF8ErzjZ27XOOwkoBbQmHEzGKkomE5LKl4fxQFb02MrmHjYOxXlWR0T15nXHJzMqxtSyY_PBJuMWZnQXB9oZnnz7k5PjedM0BkTyzlQCCRMoGizGqntq0s6LIjcLX8rm2THn9PcS2GNdqumwDkQxZb5Cf0QSbL6oheISKoHWa._2CUmVJJfm6eE_1sqNxp3LIXfc3QDCXwtWTdzaim4mdunSdVtb8LMsRHfFBvzQzcftHYS0FHR9WR1KJihKr0VjVX9hNnvSlyhrhGOYwm4rZonv1BKi90W.aSRz5HEWogcZoaI_C8ZT.z9WHnt5kL5JlebWv151JI60bbCeurhqZlAgiX7oKgRAPU02xWxlCKwlHmH32tGwMjgRpMHJ4jyvPOjRzw2MiseGGtk_HxA5huzEQjAyyDsvPodxKZ06RjiLR1eEHPUxxMfDSgHTCblc3iBir65Hk7kC9LrR9Uloz.x_QT6OQ25A4yT_cPqzVTchQKBJR16B6WtsgJXk2Q.bB2pDWlpvDalYUJYm7xntCPeL.29YwS8yoOaAmDwq5smt3f51PaBuC4Xior.fi2A.YyaE9uRCc6zgdiF4Ia64ELQ2QkjSF8U3NxtdqTTIC.kcwc6Js1J9olc8QJ87eSIIbTJLo4ii6Z.xp95i57.xk95outUIQbp8.rgBzWY_i873IGmNhil.TW6BbMZmMtKNs1g7ObYXZpWKpiZ_eNBrjaLTQBNA3oAXZrgTq8HmThC7tgN9iohA8QVRF..u3WDTP4gincwSCmmwWiZPPIfJYr.1Px9HI",mdrd: "u7wPfinHHaSy29BA02wkWQ7DW2bohbfPFSKoNjkJ778-1739098706-1.2.1.1-s3fLcARxAcY9BSwT.XtWQhfvyOyPWFg2mbl1xETAc1s7ZlqXt3Xd903VKiRk7UxxtKK8P1ZN9T4pLppM3szr2EmYjjbQ1XKubrWUIvaBCv.hfaARLkx7WLT7uKJmYZpzvGevbfAZZa03SdYM_HctOV.0qs_J8rdgiE.7T3KSucPmIkzABTHxISQWVjPJ6pt2c1XDkjdcSiQcAiPvlwACVOylx2FtSF_JDaK_z6bnq8EFwhHgndesfi5dLhgXVzzVYwBb7LNgm12ajvcwKlASWrGi.Ibqs0JW_Xrk64r9R1fe8fJ91oW3HkiEDMa5c.uVEHY90Qe6r68_W3zlE4AKNcnBicLfrYCs0dszDVAtmolowWbQiPPLd_.icAo1Kzgn.myefRW6LEslKqa9lWKOIFYPQVsA6TQT4V9F6m23BMlopBX.K.OlyK2I_T7PddCg4UV7CP9_ANWkwt.LC6xRcNamqK0AIb9Xq71OamqKBmHmJQaalHuc.SOvS9hYj2vG.GLyW7xsYulWUnJdNn05CmL2yYwKBITfiNv0H3lkrRCSKqBIHMYfkTVfxzNbcEPztuKnAUnYegHomKguNwkAF3oOPVB0pC3xIEnhKF_eJPSdxH9bVmVd1lE9gG1U4ZF8l22uLuL4Fgn3ynzA0Ags5sjsCCedXKlhMBZ.IiwLkgVaUJLsBeOcWfU.SMmcV2.7rhsMjj6PSitzbzCKKDwLYJNJPpY21V4Xu1OsvW.DhHawwknPxkmTT_Y3oDXZMGDlRA8.sTFENvjqZ6LYGnX1lCtaksczsWiXWMvAI4X4aPtf_DSrm6rcG3PS9SXEQbZ2AzbdP3mV9lfj89SgCplXdJZ.db1CHZgQYqzeZZQ13hDK1njo3PXLcGeoHTqdAWIFYUe7i1hzKxVWYTWx.tKmAHMnVpvO9SvX9CHw_QKdcDFy8LLCltJyPETdqICkkrgkZXg26nWSdr0MnNCn82Z8BI_wvub1Z7co_tHZ_MjW5w86I5X85hDtII2q1XbKpLqY7I.cEDTm_PCCEIBB2.QC6a4oZamghB.Z2aFuO5pmojnPqyX.5_Bt1PTOJDBvP3w5oNsMPoNyTbdhc2RQYxH0DU4HXuLuck2artzDw6jNlXlTRxZBdtxsE6rTlIZYk52e6etXt6pMQggVCxV1yEN16CNXLx7IjdDoIzFMVE99aMfXD2CHDGcrLnA33TMuDzDBVQSV76aGxkBSLChaBCSKmnZ6VBDjsspMAg80TKDPAhhX99yyB0FiLWTCt5r_WT5j0ZunRdI4yuX16BlJaOd6zlTDlAGA92_topPmpjry9WegBT.gyNSRWqHGOjm0kRK2whhmXlDtU21kELlfT60SXmsK7QEig7Wc_0bWl_NwEmy5TZPyobDRZ70OqdP8SyI0FDy2nuze0if3Z9lbDh6rogRhPsqxwPnQgGAYcHmba39aChtwYl1ubdolSkshyq0XO7qASO8qxgpGEDB6nGlItz2JL2Y5jmWDGgZ2QR2kwk_DJ6FtC0Puum08d_xybQh.0cGj7btPDts01re_m2mY4ChBME1vm5PpI5nfD0tL9.G3TO6slXXAptLwM.0M7WiiDpiQwXAkcAzk8B8wm7mf.RP4CW.4qBDOZfLrJ.yg5hPXq1zcjtdtuVNZBzf00oOzlwEcWi.llHJtN75gnRAm9oPjsftcRUExiD6Ir8OVYsppTf2_M6HF2FQc0tRC4tqCiTSCBdF_KHl1pzJFRhUDkX5leOWPlfMOOAzrDCsx5Qvz_kOnRF6QuGxQVMr4KEtSjIiGyjbyONe3bUgWqxPxiA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f35820ed7fc97d';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\/1528067394?__cf_chl_rt_tk=YTyuj7V12jB1KLfnQGqxO7.VYZpPKPWlQQnIpkgr.Xg-1739098706-1.0.1.1-sanfHUuF5TdRGuDr8eukXIngcg85lz2Q4BoLqPWV4SQ" + 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