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-718993584681.mit-edu.top/post/8572934160

  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-718993584681.mit-edu.top",cType: 'managed',cRay: '90f37b25883ed66c',cH: 'wQl6t5tNn0MOL9RPnwWF8q_nlcWBDf5Ti4qJAMb_QB4-1739100140-1.2.1.1-8PrhPGLA5jNLOTLFalh8jyoE.Q3OEcAAXwa0ul8BnlkyhiPsfZa681Up.EcNNNbm',cUPMDTk: "\/post\/8572934160?__cf_chl_tk=xHt4vgsmGj5glL9rIJQ5eCFAZjpCi3ZoAXsACMj3NJM-1739100140-1.0.1.1-j04rkL2KGAu8VYNlnK7Cl749DmvEMdUEl.R5WbVkCWM",cFPWv: 'g',cITimeS: '1739100140',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8572934160?__cf_chl_f_tk=xHt4vgsmGj5glL9rIJQ5eCFAZjpCi3ZoAXsACMj3NJM-1739100140-1.0.1.1-j04rkL2KGAu8VYNlnK7Cl749DmvEMdUEl.R5WbVkCWM",md: "u0peqgBnRkKWGo9GKPZ89lvibSLNqOQ8ae1G3I82w2A-1739100140-1.2.1.1-H3kylkS8waNgh0j.0.deHJjBxy8IJKgOYPx2WsuatCWp5JI6avck5OrHdEmUo17sBrf8IQDsvrSGNGjd9rskZAvlEzIr2rVqdCGlgr0ZOhfgPRuwi.vclxqnlPFaCDjxkrVgMbiwC41oasrkw4XUpr2lvLw2LddklaOYDAFOz2ZNahwdfgRNr3C7IC1AC84cEP2wDtK132qtE0A0WPTEGh71nfYSO2vddM.5jyGreYToimaPHsSoYY.r92CN6covPe.uIQBfkiz6NOLTZzJQCk3GhhBozwoTOu5iNEoPOMyll_S3enjXWZxXq2o8TewkpvaAPO1Pm5cnbUSBLei_oEm1Vh6EEmSn_xJvcMgNb5IczBZtbBA5TJIOTsx_phJsbbo9XuXGAB9ABUFpC0NVHyBgw3aSVf3HdWBJVw3W4a2Idued9qzIlh0.gJUYpbbB2yRcH60x9vjhSHfn_3ygjdaApQ4D8Bj1_Tc_BeoObwelfQncSSSsh30EbZytyZDwhGsuA9FzqjM4yrcZchOMf14K5aUAOH75pBzo3r2p8mBUT3ncfoAQqSBObHltckKdOUmmMgY5e_8YJZseT6R44mlX.39Rqg2HMo1YnHsYcPiIU3PY5cZYkupSfrEZg_dEZegina3ffCPrzTSiJwRJ7.603SGq6o71z7vWjJKymt.aBvSx4iipNq2E1S9InyyUF4WN3WB5FNj7CzFSfzc3N8EXUtV0kGNLDA6YfSZV6PnbChxj0IYoNZM6HhEpX_0zkpovzQEtvgx7yEFJl8lT6riGJIkFKOD0dJXYYDVCDoZllMUxTEObILlqVVP.hMcntOC9SlWY2wzhBPP0V2zGvRWBus0ro5oON7RrmIo.XELAXlDwRBTz4OhegprxgMLUPqfyKOosnsK_51X3GbL6cav0B8ejMATe_CntFzcmGBHeOrVO5d2xkmQf39GdEvQgzbUnWs7r61RFRnJ0y4umm2wfIjda2GU0QlpjrMKWMPOQOY7qeIzXUYLKae_aB8ubYkpquG6X_Y5GfdNqPd09v6h0QYlsgqeeoLAF3grRyxaQt5dX.COKXfpfdnC0OTPzrnSQcjmE9jL9xen_tGPtE7ELRWIUtqveUxD7ymMt3.2O.y9Ajjjt5KK5YWTS1dWXb.4mXiNqHfjdMuWRkUd5lnu03CIoekhLyFSLUKPiJ7XJ8tMEoabqMFhd4sHVRrMXV35PyGklUdzUhRE59pIymsx4l7ZFrP4CX9ePmJ00hemRrvtmSPtxtuUZwy0_dhHr7eScVjIuxNnZXMQycwYUPKo1nOWkY5uYgMHUncbTyGfPdJ7pRQwAqnzpRRC.Qpfr16tXQhHu.ZYxjidby6BlAN_OnI_VWXpZL7wW7Lryi7FdZdb9l.UtSL9WK3lMh3SbB00TjvbbUkVkcINW7pOvJAY_SlIDdpZ81jyPdHnNVfray6ZmpdLnbCi4NHLYtp488ldT2i1BQmV1bcsl5ljmVRgWX5G9wGwa9wTocoxp3Tddsg6p.PJHNGhbwn1et.IHwGdvuuIUaufZ1029bie9bvPEiLcMEK_uFz4LwqxC28NPANy9Gk1YI2mWJRwPXJ.ZwI6rhwdFVGq6b5Q3h70mtXtMQE8rGXOuydT68R28v8bTowFK88C0._mgr8ktR8KCsUA736yzVQ7KRTtzSGqMwr9EJRJF3XryY84.x7MK0dWG9AHXZmMV4XT4eWQvJpeOgp6UyAp17dZWios3welyVUDxvpntzaAI5diaYmdf.DgnQT3aLuL92YdgV1FqIQcvnf0JsndkeFY_QJUkCF6GbVMsF2DM_VPUQtkjGrr61Xxce5I1esJEJsF_hBoW1pb1GhSN4ji_VEoQDeee9ck4o8axruNsU6qljLe9S0eyqAYcS9.plYdvIvYjLnxRhgVxbvZM7jDeSOemoK.bvIXXtD1InCi2xf8FEnXWJKbK1nYF7iexqTPT7wsw3ODnk5jSJgoOo0jDIMgK0KJ.m_gNrxAGhsDF_Usso4XbbCf3_kCC.jtk9BmipNcFATaRtFUdGVRRuYK.06UuxeiuVwVJ32zIp3MLvuwSFmXlYMDJYeSF6iafvZy3xPRPMZLxmNNe2BiGRRgeeMAA9jsMRbqEw7ebROxxvzQMO.U8fpGk2SJ.shHU.OIdxRe3zsCEOoWcjdVbzXkAa2zmQC6O0SzSnYN5_XOMlZBts7ZSltk6BvJeruiwLqZ7zd6gdYk9aaaU",mdrd: "nLx01Y03qhjzB8oZbBN1M4FKVLexxqBc2avAxWrn9ko-1739100140-1.2.1.1-D7xzzvYWuaOGxGexYQrIaXbJqIgwRv..nBzULxTaZFn_XUJcemuZaqttUtSiXDjHfjm8Pq3lXx0Ky_CiTty1LR7V5cIR2ZrdQFk9O.Ezi39bhkSrTPaYBktwKsgVwy2vtrO7XAS4Kq__bR4J4X8GjgdSKL2z3uzigBWmZ5fj6YimKPolZizNdvkzmgDg4fjAzsQu0AXi7Q35TmUGutCI9f3y_LGi9FQLlu6v0c.6TvdhfUsMw744ij92LrDJUe9ztv2mgajGodnVrjCCdU1rINvsP9TYgvqgthQhTzt0QmbCsvA0xv.jOxZkG0PDAcG_Hda92Zi5IuHKo5Hw5nfp_uAyeChfHfBDpruOTo0O1lonw7mi2tMLtqcNUpzi7CdO.m.XrboeahcoyaARgx1SPE8lGdfl2H0MJR1P3fa6t8S0CvykMbuisyJneP9U1BCh.2UqyU0HzOROFbjP8.p7rY5vc3hr4j8Dlsgk6DI3PTGgejYYKbLbC2pqLvom2Qm8QNgm3NqKQLu7kANDFFBIFY9mOyYEuN5rHAVmp1WQpX0nPTS2SekOnyEH7IH0yxTP9B2BrF.VwAMl9LoOqIJkkUwYh1rm.nBddFF5JKZ9NmPw8LChlYXFP.KUVlKvyn5nqW0QyCUalQQHbGyr5qeBfOPbprewBwwgFCx6dVW3zmGh.5TcVchNyiTX3oHu65ymsozRlA806w.piuUKe3no9H.yWgwtFYWsH3_gb54RL5KqrqAzbktueZsFLbVO.ke479PnkjfR9V7nz.VKlcCfZFFDE9JVE1ZnqZM6LGkzNG9lynuZl5lXsju1641nm3Xg7LjzSpBQGIB_0qEG0bi7sVymxXbZydQgiwg3f_Lti0oYOjCKcyO_U_6Rv3N.MrEjN3bw3jeSJR_29cIhIJ1wOTlBKxtrqKLXIKXKQ77LgOlnKpRKI1bk8xBnNnOsZTS4zi6wV1MdUlK9fAxffOXhcBfb4zEOMWHt3chckgk2YnSBsSqikU_tNBmac0o5YJlM8GtKxfadNIZGz6LF__4nWTVFbHC0WpXEicAxDImVOPff1m3b4zLwTukip4aiOWJJGVkPvNATymAFqJfiM4t_hLhJwiAtReExXNVZEw_JDmY54Mnco_V0TuI2RGTwIQVJWWSKeSwuCXIplJyoUlUHX3nIPeBUahOap_4Z5r7pOeXMLX_fAbxRnRlKgx02bSBHs7FHLwUUnLrOrvmjfn.pgHw5R8wJzHCInG7_.PKSbUbDSz_r2ZT8vjtSa0xe9Xogx82dP1A_V3RTqSrMh4JOCRRv9o0fOnFpfNUMSUgFyDTPFsRver9pCWOHlGfsoPfreNPE57DwPfpi_BSdP6ZZ5_vTygGnOCU2al_vaB.vQ4fGLHxHfKgHyphA.z.Pwyx14RbF95.NXplnHL_VXeHwKCC3jP9Wu7Rkaspf.Fzsuzg_YUt.KWLFVtqSd6VF7UCPX.gl.7.CnIeSO1JMR1DwVDPKsbRajfaCoqTMmkNamsxqr.S_jlIgmgCROAI_IIkYbAePYC3qP40thF6UVS_4GBuZY0oK65Wvu4IUOYhvArceIo6bDcRipDovGn59Xg7zRdEN4veGVxGodfqcC9pV9QKx7ofN0n8.YM8FuoQUPtVsfJr4lkqHuvY1Bm9FI0SgakwVI.6lpGU7mb1sBTUx4DgT6CL5Gd4uLvfhc9_xprWc9ITvsB2pGdVcN70v3x6f7RbB05ysJIlxEPNOkuV7zjJoaoAKSx1X7tCWMdMp1yVklv5o_A21piE9SNqtsNT05YLb_UO2sB9RPMWBDvUtlBA3Y0wP_CSbWlzdZriupLo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37b25883ed66c';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\/8572934160?__cf_chl_rt_tk=xHt4vgsmGj5glL9rIJQ5eCFAZjpCi3ZoAXsACMj3NJM-1739100140-1.0.1.1-j04rkL2KGAu8VYNlnK7Cl749DmvEMdUEl.R5WbVkCWM" + 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