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-880732890028.mit-edu.top/post/0671589432

  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-880732890028.mit-edu.top",cType: 'managed',cRay: '91103feb981e0842',cH: '8dUdSxaJfmVnL61FlXSGGZPcfPeNuQ9yYRHlB6IQvic-1739401801-1.2.1.1-O5P2FIzZhgRfS3f4AR4WX6q3s1jj63HHsBatYOi8FVOY_yKAVVZ.bED5T5g5gkYP',cUPMDTk: "\/post\/0671589432?__cf_chl_tk=YmzrS3OT95lv0NY77K.EW2BUT_ULZq2uHHDZJyPr2.Q-1739401801-1.0.1.1-fNeRwPhmn963mDiZaP0BPaN4pZclkYZwyNr49tSz6ZY",cFPWv: 'b',cITimeS: '1739401801',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0671589432?__cf_chl_f_tk=YmzrS3OT95lv0NY77K.EW2BUT_ULZq2uHHDZJyPr2.Q-1739401801-1.0.1.1-fNeRwPhmn963mDiZaP0BPaN4pZclkYZwyNr49tSz6ZY",md: "_eNIWpQO4GPSHoANDiCpW3BJnOiGVEOnrdAPmMYVOIE-1739401801-1.2.1.1-ZsyfGxRvKlIJqiQn50QQ4uOqFAv5NMM1c.K6eHbGZxQ8DZ1jH.1XgRH6NkiIMIQucEV_AxRMbqgUa3ITO6gKGaCNont3NgdGB8060FtlBoHsLjh6UFELOCXKc6T5cQX3BBoRnF4MP4iRrZE4PdsUAsacXvIQyY4SapKMpizljwTyphZeCZB7o0HCCLooZOuhMxm4Gj7kjIus9hEzHL4BmsF.xfD1quApWLmReUn5ED4BVTMRovn7TGyMP3hf3zTFIBo7h7vphtJcrf5Prg2_Y8AajkpSOm1JHJv_YLVZG5vfcdzhHuUYGn8kGoxAq72af_xT065Qyzq4qqWUQm83CDm4215RjNvj_lUWlu9KmlhqUBdbA0KWhehfMxXbCm1b7g6sKybIDjnMdrcy2zTqRtw69gGfxZdXj1676p6_klu8aCH99g5CYO190CxmrfMaXUCE8eVAzOdo6KWhObGJo1Y8IkmVYuAk2ybuFMw8uCwSFU6ztGYEO7cidWF5Pka1aP6B08SBGUQLseaPFEJwRsnugmN_y9JAkSnqyQMVMVQMsdRvHWHEuFvCRWUyWdK72m9NuZR4ZK9k_ouQSlKI4S_BSOa14BVKIrm6uKwIpsvYpqLyPzh4Q9M87Ikam0AGpH0e1gungjrnqycS0PohncIYDUItl4AxhhlyaB1szqLzexILTyR_jqpCctYtV.K_4XsQppwWB1sU8UtW5EfEleLlhQG89mmtQglp66.J5Z9muR1CL1cOPDHH69xEICqRsSM2sV2fcUFRL758dbwONwEXVVcIkbWfeMym9PQSrOSrWPJWmHr9LZThxqqMxW0QdpDwa2xvkDk0DHEWMHTdDdXOOmY1cfeoYuvpyLJZW2.e7Y5O2BssGhWmjG6zBRhsWfnhr6rLmSb.rnBJ0YbMylaR52EUen9QqvSuagFQW2K6tAxrCd14DdMHU7.Lp6IlFQpM1DDRxfWlU2dwW9mzACIwKuy5D272jIUEusTh99kuJpOsN3yUjT2HQHPTP4hCW_bJ0OEFGtwXsi4lBwHD3LTfShTHJWAHcW2OZqy.jbbwTOyb9cJ6rstm19Zp9VNylHzrPp1sJJ_Gc0LymbFD83gXnlwXrNuSj7Zq3k8UBo0T.W3TcdO7dk8fKdY8iwHIdohbCiFaMo9WfA6KO.twFpO9STiATTu3hZ2kVABKfQqcAWOtDMctBXszoSqL8HIvHBj98EqOiqJjFPM3gywngZoQHdyzZPUFn_09zmnd9P9mvc4UP_a4hy_vU9R8WCgdtpdoQDRqFWFqkWdZSCrRkzOZDgKEs2z_AJUa816bWwaKFA8X2O2p2cRVgmy6Id2MUiksJ2m0lk4lmSSSkSmUTRYc5YYquqAOnMaSa2ziUZrAqYZflyfHAxi.1aqKVsBf4AXW7LT9_QCznBEdJ0.Jofz7FrtFGwFY.gj59rWZD7YtRdZcL7MfkEAmgOobfZ.qrvMoRBumPnmQ7GQ1BgSJwmv0WtnYydA65l8UoJW7XCpCweXGqbNt3hdg.kCSlOCNMwajMY0C_zMU4ae8dwHNCR7Wl60EI5FoX21UAkk9tiSq7jfqjxvcgz.3GQSP5ARjFnYZIJzjvIFNZVnV9DnErATBbrSiTXhvRV3I_8W6l9qp.5sYgSYz38jsUHKKjeSXOQk6CJl9ylgD7BV2A_ulyzVC3UnKtHytyiDLzBgTOZkgxEDvAatmToweriPHSfRX1PymK9ar7LNxN16vsAKuE99MC.oH4Zcs9iY_awKfjPajD1lcTuKEkQkSqgnypcjRKyIWwZh1FFAKfaq45Th21scPOsMxa3o9CZssu.0eSioxkaUwVQ0sJMVKN4LQHwilNqIg_zKCKs8dQQbcUxrnYsCG4lRfGGWgLVtpGRjrtHv4yEbWoLI2SXaNSK_aeFtlHB1kmK9.0K7jiJ3ZgcK5h0_VrqHewpVoOPS2bQ49d0LmQWs_H4RPzqM4yDmvNE.2q00PhtpqAGuFgzpWjt6klR6oHOEcrZwQLKeWDMZLEim5xy3USmRsf3QatHDuImHsGwyojRkISPzMSdCKsvJG2HRsSgjlXZ2u1VLhuwbpP8dZzs0BjWHF1jo3m7QGpCe0mOwyyXw3MUO5iysHCoNBEf4Dyh3yDPgmU_N4NofVgjZMydJvZnuBrpCJDvgPo2nbDF5XW6KJ3zuvdeKuQU8.BX92kXO.ZBOtFr8M6ozy01ohDuwN1YCp9Qua60pTjcui",mdrd: "1F0CG.mSaA9j08RVDPvKqDP2yTZ54u6FL3D1t1LvZVE-1739401801-1.2.1.1-H7LpWVcaoheHudFkICnwXxkBPu9LYddKquW_VEuob56hty4yX5aKQZ55MlazMDgUgubObAScyBKS8AOp0VAWvtfjZPH2aBkmWuhhhdzOEdkAGFe7qSNimUz9mYTwYI7VZMN3A6mxYOhLbDHF0wH4seHry9Y9e5A6_sqpGlDYRuNj9pUXhXM90dWfo9T6UfXF6mLJa1LmxI4a.Ev6ln4YUqY3hR36aqE.rcrTXaldPCv2nJlPCjZkALjQdlg5qhA9xaIrgxQR03Stpo7wWLhBbyBvS34tRkWUTFi1vc7SyDJqITty1GfblwSlcrsNazsFakh339WXGDrw3SkJJRWFpTLMWm_epZ9zA4m5.0TEx83jzGfCG8ldNPGoPMdndBFuRteM_Kb8QNpq6sLrVL9mj2S3pT1G8rV4r60xKf_8NL60jCE8AIq8mXbPRiMTE.3khqfabh2.u00h7tDMwPDb4vnzcRM_COZTCAZnFMWam4VllLdsTkvc0cNfRr_67SlRF.ZP6H.r3BOPjX9g7X88vPvgUR11EbH_OnBXf8rJ_HOrE1v7h.hrWagDqtJkTuRNQqmYK9glUKaq2nisyWO9Q.OGZAKBIrmlj26w46Wu8i0.NyHvZut4pi.6jGctsjb7dwMsxEbmuqF8pp4QjoWtNQvhvDDvQEpsWq8Rr5qMKfClct4MffoDV5EVWcj1R8.QW92NvN6PrXwCc45ZH2mmi9OXJc7JO4dMQGbkKeJ8hvozBcEBdq6KBxyF3ass40HJuBu3Ff0ZDWpr9ibl0tRKiPAP14iGo4tWqwX7lkjdQGLi6S6_0KjXckWPz9nfbbCfVzHIOYV8nVdqQz_EjJJ7m2yOQy1agMp_2eqRKvUF5Dze6HpBUT5u6IPdAUP0MuEqQ8pbmfrp8Clo_ZNxJd_MljLDEwVrW._QlOcfJKILuPc0e0Cw6RUR8bQVaxewSXJ7dbGRV2aFyVQY7Wi17ZBprH04QhQjtUHPvV7IjPnT04pzEmrc1.sl2I7ewG5OK0JE_zkucNMzygPNJqXIr5L9FqWOTl9zemtVNkihV1iHOF4Ee1sz2bI2kzkoXnNrPEzkT43xRWFDRysPMXSrBNVqylG7t1yPur_ZDgYvresojraBqRXfmX5IlA1pIeLaTjU0pS7jC_tMHu9gLehzDvMe12m7gJDAmEp4RugBf06QEvCg2RvGlazBsRTx_JjX.bVjaMam1v5qMIVbWAGMZ3MVpKyvJSz6kDiwFuOxLO_D3Uc8EL.sFZn_1hX_IGJuNLoFrEjQYP1NNfundjIuvJBVzoIHhBWEAqVJxpR12GgRyg4SK.oPbbPoI3486L9B4UVjdkd4DjQwOsUxgmPWAwokn6ltLPIzlIzxUnNxP06PUNsjU3kYjF1mpsQ.ZONTQjGzzCjTSHVa3BHt7dJqnIFuqoE8KbfH.JWFMTj51CYoKWJ92QOy1Z0m4XRXNHhirgYo6FNC3btaTKscIvdsG6AI5qYGgLUq7u1Xvdzi6pkZtg7vHqXm4huQpirnTc6fpFzhAF_f_jD.Cp8EUr3vb773PtytROAQVpn5frl75JqUqcDW9JTOcUWP.RmCUsAVMFhHNOFAwVONiDA9koCdrbvA1wO7SfSXB.5S0kkEgTlghfYObaSJNu9b1Rb8YQAC.55sOZVVVCIXbr_vhW2B9Ah9RbZ2PCLVBZBvvfvqlMO7YK9so9ozS8sqtppB3ZrLAyqr0nJiMrxV38XPQxJsy6bYBmPQ1LHpW4lDWSbuO7WaXCow4hB0oc5mGf7J78dzglYJQ7YhG.SrPZXXvfDP3esORq6ber7vU1QIhSHfa.umysU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103feb981e0842';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\/0671589432?__cf_chl_rt_tk=YmzrS3OT95lv0NY77K.EW2BUT_ULZq2uHHDZJyPr2.Q-1739401801-1.0.1.1-fNeRwPhmn963mDiZaP0BPaN4pZclkYZwyNr49tSz6ZY" + 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