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-133174217391.mit-edu.top/post/6720153849

  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-133174217391.mit-edu.top",cType: 'managed',cRay: '90fafc973dde81d9',cH: 'jcrdHKRgp4zD0H84F9gbjgxbouuKa446cqTdX5D2p78-1739178842-1.2.1.1-hqNwI6hTACI3mrs3ZxmJzy7mF_2W8p89.AWxlZ9SBbDwuPl30xfudZrA6IixHH78',cUPMDTk: "\/post\/6720153849?__cf_chl_tk=4GyPEdbFz2DxESXDNH2fB6ew1mhDYD47GXaiql_g9pA-1739178842-1.0.1.1-neDcZWnnDdFfNBVeQnWLuXcnXdmI2UKwLAr3YzakGFE",cFPWv: 'g',cITimeS: '1739178842',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6720153849?__cf_chl_f_tk=4GyPEdbFz2DxESXDNH2fB6ew1mhDYD47GXaiql_g9pA-1739178842-1.0.1.1-neDcZWnnDdFfNBVeQnWLuXcnXdmI2UKwLAr3YzakGFE",md: "GUDwNQ9aLH.45KTyivzEn0RE0wkFLQLJzniExzJlMwU-1739178842-1.2.1.1-8eMtVJJsiKLJiCRK.APNI_iLr1_LrmsqHMnm9fcZGH7Vmg9RF8NpLILJ1AF6ZJTD83TznIEHnf6Z9zRTgUklY.5GmyCEHwat9oGtHy0oNxa9tAS6Tm3t5hcRIG9sQrlgpqjHXK9x6_wj3y1VENenfhO4Wul.tZbb8QobL75kqAG.2tv1uLHM63_CONgUYSW.DSqhsV7yZJwyIBrsj4iFxgeu7HQy7UcZZFp8ZdtblBTm6sK1Y7D2fkMJ94RnuI77wYiJoEO5uGHh1_Hn9HPcMUQy8CeVZpso.37gVs40h4wjpY7vIjs6c2FjyKEnur2le17WY6vsYtqtSfQlaaI03alAF4F0D6cGC6LkkDaPn4XTG605zgKz2FbjpWEYHcN.JWqfVcHTrS89jEtZjVg.nHjhU3swIxWzSjn.L7yiSb9fLyDLchzDskpUbORFeY98mbP8Nsohubp6b39O.mEsRtvis4vTdOhrbKadjHqUAMlrUSnL7c495GV6YlzKgTP4WyzFmcnuTvHLc7RFxlcwCDNTjHFuKjs.MIK6JXU9pe.P4Fb2OZkHePVk_AMUeUKb4ogp9m7NwGDv1YLr8NEh5SSYI_pPYsU8AltuQTjpS8rAN.hlMjSQcsXhI9Gq7OnL6OBT3poeLg2q8OZVulnLBa53TqO6jU8N79bYJVduqU1yqhDOUcZ6RS69AS6z8dvfr1GJWoPxmA7M1DXE1OhcpOqCsPOK5UVhfFrPlA.Nr726yVs99r7x2_UP47UARCBsmd1rPtI0GQCo0.Gji352kXQwEnSc.xNKOIJbTLSmhPwz9oe_eu0.EiiWNiqq4ZLUlCkOP7dZEXKAg85qrE4IgTylozErrfwXSxj3zfBPl0vXZ0N8QVuJE9VGGCKvGcGBqTlP1SajPtT7hZVb0VoIQZ8NPKUecMZxLkXL312Wc.efSlUjq4cbdWS3vpns.6AwAEM8yeaLSEqLQX7kPO2hsA1bo9TfJ73450BbN3Y13fzalXRCIq9GNe1WSpZIMwaRhc68etxVbB0KXKsrwNCxOdxZq6_4W9IL7lugnIE1JfzzOFGbXT85dS4kpKpm15VGWLufU_NJnIOPOxXzTaedR2JdxyTELwRncI3STbZtbVN2vm7zgAwunFo9CtGkv3G0JjkW24PFlQtSy9Nv.tIbEzOc6evQFCem3jwXRvXEQmSMjj9v09ShYn4UUk7L5Gi6dRItPbnALVvcBFvBLNU1TafEiyuMj9tCtTRn5GqcxFMm4xKegIa6cdaAHNJ9wC1ygbDNMaZxyA7lFGHQ.KpaCNQonFGkl0ISMty3De07TuWVrz.CIrAKVLVPc3tnkoBObOmvNDGSGvF1cJnhUfeTrzY4nyjC28_ii3eLH6vYg1PzY0H8KmA_E8DtL7juodG6c1TRM3nZFO55pCAsihrdvHCDm6pz_O0zU5BP2CBGWlcW.STwQmPyWEJJne_gZV1gi5wwp9xTTPUI9XNh4qBuCziKNNG_O7xYDUNvyUqny4dRV83EbHU.KeAG75NQeLQ1Tsn2OeK2Y1PLFN1SkqqrgX_DVbxSI9B25qZsPnIofuIIrH4lqOAuGc.PAqELoj8eg0MAQp6HTbpRMgwrQvjP6TuS7gvvQNw8_vts3vY_0LutnB5Q4S6XZEVv.i6V0Gb8yf44Xy4hRoukVg3GidszR6UZHDsboWVZu48mI05AfXTRou7V_.It_F0p5DulX.wZFs4VdvutZ18dZxJXZcRoieefQTVHvRp1yfj.GkAlMd7LrN0sfGYjiCBDiL8Y.Y.TrruttUxaRN8HvRIuPfxYpwYdwsOxE0ZFk5659RAvducFELSrI6mkpewLpoUi2mdcT.mi3ermzOnOLTB_Mn2gJORbKY3NCEAk00lKiM3h7g7v.OOS_NFXVfdf1ZiTxnE_8oLiK6abU9ycLLKFaOVesEE8Zd9eqDysVuZiaFLZuTLpT6v7sg_itQxkz9FbwTSA84_iBL4npn4cXRQ6ckGhdXl.GqvN5cwpagtnbvrTG0xNA25V6Q43U6fTDbhOKi6rkiWSui4EbR79JF_3Ol7Noo2zsYOehnoDydJFeTxPX4l51y9rt5eV1jl1n7ejZeSkcC7P8gvQP67JkZTpo5JCQZ.vEEg7zLzIGP1oovcZr9e9Lw.pFIAxLJD335xXXFjYUeSmUY4_2VR82QnM4kGhaT4RT5clmR3mqFb6ivx0wFGCm38g97yp_2Ugo.jgyXCT",mdrd: "m94SrwKBjKCA5CiTfDI1RMGRmlEr4l2YEcqqinJh9qQ-1739178842-1.2.1.1-zrvBFB1aICFpa4E.l5k4p9mt6i3iiB2Jj6WppTIsatorKo1YRZAFeYX_GM7gkff3tYopY.LXehR13.pBQtiZCPBK8B42QFeISOIIovL6rVxQwBJ47uMpNQEcreckC5ufYbly2sa7msDikwKWUILQAZ9PYxOGnmhi56Qr1XniflK885ZpnH5v1Jl2FKzi8eBrvpncXLUzmVACcQRUaceygzRpWEgBEo6lJnwshnp14lTtlcFa8GtobQiPgtK4YR.wYAZhPy26GaDxJkWJnmlZL_UDxUp3gAQqaVo8Qyu.HG8vZhsHa44KF0..8cO4IVKyxnM5CWHfqgmcD37zcciiSqj9TWnpkYE4NidVf.SJ1joc0.RRRnE74lx0bn_DiB6sMojI6hcJlhUNC4niBTTWakgNFIpunDObOxxgJvBqltCOdJ6OOJIv7MkMsuCYVmoBDBzkTrbf_Gqw6hqy535uF9K1oCY.6WvSecVh9Q37xS8H8W3UwcMLjkyHMXbBPfhG9r_9c0SFZzoY_59oaDPI6yGu1s5ejNDZlGvEBgVqHHOMSEoDgJnrmszvKL0aB4L.fRVEgpsv04APHS2LSC3mXFJXXG.OTh1YgaEyQYg6UcljgQVvctuTortPeNkKGnuUd1vhRn.MY.MSp8_RMJQ3bSLlMK1aYSuaYguhPVuZkiyw_S9G16oluCv1g58o6H8Byht47ZE1IT0F5pldircsl_.HZ6vfQSpbY6Whf1VpKFS2uXRoHmL3bl.x7Z8.GUN6QrR4I6o2YxdIW2l6S.aIewII1ipr6jX9O2z7bU7JhLje2370fi9SfUsBWXhNqRsHkejCSA7ihVOu4Hv_vzLlBnMvlyb8vPmxZ1nawxcewUiUtgsblXQONFBcgU1i5USCWqC6FU.Y28sot4NeSIkTIGidufoWyn_fPiw.Xb9YNczzpoG15wKoGHfh80aZKZvTFHRe7QjhuyLQOLpX7bdr2Nj6t9ThHv_ouhQwn5fkV.Wt9x45QaIPdQpC7DuHQnthTzHmXIsa.q5tpx0VmJFDVFfbCiZX4_uOCISoL41pdyIPj74B3BdGM1ANjm_BDMh8INRThW80WbiVHgew3lQOgFuqZfvrAcsRDMltzZTo3kF9jm.IUzT6FfLi12GQcVc1r4ym_Ol7pEE9joinmnICetZPw7RXlHDjRVs9CC5Nju7if3Jq93Srh9uSdfnlNIdAvwLRHuiK9NvR8E1haxvPXX.KssW8VLovtTUtw5kvZmm25DoryMvmkADJTghQ2HXIVv9Vy7o3INyXdQntncXAhNZGu9yGsFhzJzt.IubeTCgDduK6Bgdme00TJPFxbNRT7hLbGP2klEK68sNJv0H88S6MxjdWrFrKqXLkTE_kMcuV5KQwd8_XFQhdz4Stqct6KAM3ureRLVlmEJSkKUgMij3XiHL6bPXv_O0YVARB179kLE6skpiFu6..05Yo2uJVWLqxOot2BbKXpZ0RAMlRSdjINZ4tPn9ncMVF591affvHlP2taeLYF4IOfmVHgs.qxamBS36PtHf4vRKs8hQ0soCy85YPz1oxTdTUYKxu9IA6Z_89NuNhE.Tx1jPGGCPMedJPc14eJKSkjKFUe7OlYPVEHctT4vitVO3z9VQCMwNtzo6jrL5sonLvo_x.VBwDDx2h0vYht6jv2V50YNbuRC4hvQbWo1HXFayrNr1BAnxVFjHfryJIN4aS4EXCAf03evrR0tOjPDrwa7c1DNla0PEyx3gKQi6ogRtD3vAYJgPeCctgkbEiZQqm.2FhP3mvHix1tZyGzG.WCXs_G1q5ig"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fafc973dde81d9';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\/6720153849?__cf_chl_rt_tk=4GyPEdbFz2DxESXDNH2fB6ew1mhDYD47GXaiql_g9pA-1739178842-1.0.1.1-neDcZWnnDdFfNBVeQnWLuXcnXdmI2UKwLAr3YzakGFE" + 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