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-affl49c31.mit-edu.top/post/6234781509

  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-affl49c31.mit-edu.top",cType: 'managed',cRay: '90f3dea1ec6ad643',cH: 'A7uVQQdBdY42vu30NVOHTrFEw3Mb8Jn3cMBxRE8_ILw-1739104215-1.2.1.1-4zdsBHYRscDPAz5__Gw8Re1q6vFNkZwjPK8cDdQjh7IrErWph1jJRlp_mvKKunTK',cUPMDTk: "\/post\/6234781509?__cf_chl_tk=fkBRP0L03dpQc2H.ICRE.akLo19uF19feT.YQHYMh_w-1739104215-1.0.1.1-TKRIeH3kupX7TLqPIhQF4Sng8fy7XAQhtt.zYJpkv.A",cFPWv: 'g',cITimeS: '1739104215',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6234781509?__cf_chl_f_tk=fkBRP0L03dpQc2H.ICRE.akLo19uF19feT.YQHYMh_w-1739104215-1.0.1.1-TKRIeH3kupX7TLqPIhQF4Sng8fy7XAQhtt.zYJpkv.A",md: "he9.mJimnclwwa30N5wTQxCSdafCe7M5hBFM9n3QPug-1739104215-1.2.1.1-PGN.lwPO7W3exCzoftB5z2zGqtdezS0H.7BZNUklAqtBBVzb.Zg14ZGuPAIXiLE4JrQ69pKfoTXrSsG8Zuu.xdejerUV701I53Q4j0MVRjewhJkfuPfzDzypNNG7lZvYGBPOJxo8BaToNkEmL4jDZbklljKCChqr_bvCnX_IgDjww_pHnaz16U8TSkOTiELhjMntOSIGMERj5R4If3a5Ya07tRDipgtKxXdzZf2U_oRsK1hQ.GBxgSDAdp3RM6LE4RGulV0AHiSsAwO_F9Obog71xy_51GYIYc68.0YTX3TeBkXBHSaM5kgjxz4qJ5SeaCxdwKw50AGMEdfD4uwNi9hZ8cW8zA84PEid_WoPWFX_l49pVGbiT5H4DkiTiqRBsb53JB3CndgdCNNJHsxwQpea_ch8X_MIqgsd2Wzd1oY3ZNeEfGuLJux7kTBQC_ZdtJ4PGDkwJVt_eawCTCt_KxckPUhV1prNtK0b_yipsB3srsQBTTz8rtEArUJI2hJ40m8IyCxROKFzJe.JCLbR8OAxga3YgfMUdYZ1o9lNorxrOTti7zZk_nJH.p3KDvzKVdFy1nNV.lAIRq8cTfVKvNJor4CjsQZ.RqLD0XS4VKFd.4dcM4NkFzxKdj4aT5V1sLWK26rVg5Md7sEHtzjI0Lv5xi8MYxf4pdUIBsKpS8Wj5nz4usxFPUOCt5C91.NyRShr2WVBm7aZ2OLoZQCcnUy3PIdoORZGXcINXnb1Pjo06pzObA0VLbcjIhxfzHhpoOZjLYCA3y4rLaa3JKAP5rTZR59Xn6HpxVikrgpBfM1OFzzPqFbebj9hZtyjjgWjH_MIigq9hSV5italjCQz3yTq7pp6ZyRpG4fxguF86ghNL9jBvsjv3GDKqTOyyWdtZWGH5Rhm3Dus3K5e.fIGHD1_Qs1216GwsM5at2UspAR0wrZLlArCFFulLwwyqkk_ZBFL2Abf4FU3BBr2Xiofe1gNW8s9OZouTEG46C3tZdSpGCVeb.Q.vlCaqdJYuSBqreum8YHszqvKdueGDiwtqZtPKlfoBuD4h7aDiD20dpv18OOz2nrAN0alw0S8CTlQmFPpBd1kjnhgIWjqDofnZbMUV3BYfvv6KuhZFMptDpQ_1sXpoFfRuVsX_ole8ITxd4HzwiarfKFpvYwJt3MTW6Wr3GWkgVai8COqVxyxt_t6nb9nkvTzpOq2t59SaucgWuf1iYouB4tqj.MS2uf6tFPM3T6BQlajcjeS4gKnTVGIDuUby91XK_MngJ3ImAj8QR8h_YC.q4.fPXSmbuDYs3aMJIzmk0TjRvYZ0XxdFLKX71QOxkLXDUAjBj.1nGgxz6CimC3PktdhNuQrFRQkNBc.BoWYOSBlt6OSOFvdYGoH6szDDuFOkkq0vNc1If_CR.4NNG7eMETCGiP6YJ.aQg7L28xnRgNuEvVXIyN9qy9lykq_vCqSwFRS0FMdXtg.sQ8oqfuH2rzK8gE.T707eubdbkIB99wUaAmP0q0f1k.ZZuLdUWhcUCVJ4d6Oi14F7oG.qem0u5Ky3oUlRuCyvXUjEKXtLxxA7EMuEGrwu0vkG4LHGeRoavl0FfuO0HjXamA.w2y31PJwZ5ZRe7R.AvFSXRAxGMj_k3Q0aa6.zuBmE.6GWYNVASqVZeFBYIag_FcVz_oCCvuHwyKF0INxHk_vECGWIYXlUiv.va3DypXLuy3wKfVQxiUXzACIW5dWPNYsgDChn9JHYE_poebqEuKcDtapXJJOmTdeKMnHKZ_HK6fDr8A4qrWQjTu4BgfXfotqmI.iPrlcjLyf4SgG9ZLCH0rR7AxJhjRANIvllzJC_bP1svXDpG6rfjmutrNdJwXOZHUkYweFNaXDmuhDpTdBB_wSX9cVrfXs2h0Aw2hNO.a6dT_Q6oV6isIp44AeBPFOQZmdo4hMn8OVPR7mGAwdqGp7Sw2IjHug_TDxNuOZpOdKYfkzYyiXbgx.2EgHXev2KulOIXcbSbFTIFdrICdCSjWQ84ayfQA9u9JHcz7PiszngfkxjtiuVaGPJDDEfiHcOni1_wEjTRNRg_AwODEk3CHudjPVfHBoM13UUsBmDFCYeAU4QNB5HcQXLnDjCKvGszUKLKSXuBApmRYfXGrqQsx_JStUbVsl4uTYiQ2.15iv47aAO2Nk9cYq4Um3fsKK_ZBFNi7LKP.yxJ1WrMAV1rnTlVXiW7pO3GhASHQaYouisKQs.tpnPeaB6.aH",mdrd: "7hyLJMHT2Up4cYP9ABpaJch.E6iTWtgoU6o9wGVaOyo-1739104215-1.2.1.1-YQShMGYvWbmyrwz8vtw.6tbHaJ7tC8VTATwsKPHXK24p6gilJ.LXKAxXroA9CM855urD.4xPEG1.Y.eMNy0RXZw9iij3pnsjpTAyCnUwmRz_hMdEpjaode9OEPyIsjdp0ZcQ_aEVBXd9FYMdiwwDTTgNvWRvxZu7gG3gDJA5FEpXSGYPO7zSxA_EBAqu.93Vmm9qHGw62BqaPSl1i0wdkw.ivh_lj4JZbYvd12guLwM4eqJR8XuM5oXyfe6P0QazY6mEbb5uSqESZ4.tn0gAaqUt_xQdohcx_d69MJCqt93hS2x1r0htQ4sn89rPJiTUZfzPx6DZEInfUfd1r73GRXBVGCQuB0QxilSDrr3dtLCYrc.p5siFXE2M15ig.iKojgcJRDRGoVY_hY6ox0133lVPifD1L2_462pS2AUZtAROXA4d_Bzt.5oG_JCF57adYsYL1aswUbfD9C1766Pc4e.IO65LG1XXuH3DMG4T1zQK__BOBgIuJaJrQ4dBvA4t5Xup6CbXFR.ThuA4dszGit.qPymbM4z2lDS.kxKSU4ziq0tLDJv0ft2Wf9tpj1QtZJ6RbnSD.QoLZ3VEFUOBXETowDAmznoy8156kpip6K9wNEWEAd10r4iffpvR_VbKYc9NdRsXath3AzMxl2nPX7vp6IbUQcDDwrfXthQlc8zIZ6ZGQK31CVCLs8aK3nYPcavCK7Ukyl94QrXLm2pxHTm7paeFZGgLW2AqOK.O4T6oSxIVzV07qawjcMtDWJwyRiwRXJ0pb4wKoXykpFEJAyBBSZ16brYbGSjODStuGZfFMEnzdAaLzApaqlNQVexrqoyyR7Ri3e5lsHuoy_6wYe7PcGNkXmZIwbBmtG7QGpGx3FMmz7cSfhitkuszxDXWxDyn8HLNJ0YAPfrX6QF_LPpCKfeNz_M3OgGSLnOMikf1HS0JkWoFZfXADqO1Ny0prczz154KTEnGkX5vqDiY6wlH1b3.9X7DGHkz1NmdpUlWFFQuNvQVYMog7biNvBbeJ3qFDvzzGjTBKjHdZuMVF.oPve_u244C_c7.Hco1xf3wXg9OZDKdgavAbIbBLuEl1oO6dB9Hklhj5kafuyIwQv3hCIYyqZ23ri97YDjNXttrm9qUjpfIlMERfaX_YnyOpHmes99PZDDVB.g6Cz0TCXGUNpRyanIhjN_jThlo8b9gICPpxNDpMl6vA92bE2ay3V6qRmosvrDFPd1H24Uvii6wWjqKEwqf8P8z0oVAeevZNsjwTLVOU93_bpkIwpqfQ55HoZ62WAvgIK0eX830rtTBr5dXtjutUCs5AHs2ypOolEat6CJYMvH_iRohnxywoACGISvXyt8X0LAtDUZCrla6s7pgd3SCihFOvvgHpxyREsN8D4eUKcgFQ_D6MYIKh5n90Fv2uUflxyRVIZFj0SZoOwd9KduNGR3AYW3vVNdrAM7tGwAuE9cmUCH2FqQ31O4Nojqu7caYQo3Zf_OguDsRp5a29cKXEi7WmdeOQ8XxJlWzAgq3IK3hMr3knpU85d0v8MdmcvUYO8d40KkfpU55Kvss15euqMEmvnte8k.fNExbSnyJNDg.n27Q6KskQ_Bx7FSOsLkxQT5HpYv.BY23NVtM2YO.uMRZJdFoyk_EwT1obptPuD2Rh3valeuHHjfMxigt_TlHSxKqPTOo8oAKd4TVi0X92i42TpyjFtWQIRUVJndp9hdez_8DWzwwaYnAzQPdNsg6ix9OVtqwYH2PTRHHIVBS4E0xo9QQpkWFxG8Kcbc8rtCPtP3V7cM6ticZT_arvpegjBUd7pfHt_TDgZZELtYlSBzBXe680Oc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3dea1ec6ad643';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\/6234781509?__cf_chl_rt_tk=fkBRP0L03dpQc2H.ICRE.akLo19uF19feT.YQHYMh_w-1739104215-1.0.1.1-TKRIeH3kupX7TLqPIhQF4Sng8fy7XAQhtt.zYJpkv.A" + 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