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-263357798751.mit-edu.top/post/3706192584

  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-263357798751.mit-edu.top",cType: 'managed',cRay: '911056b7f9f08790',cH: 'Ba2vQv.ikzPIx0b.ulLoWmrqGX2b2UVGwdR4VQygsgY-1739402735-1.2.1.1-gVRaGmNSmxjblOe_ZijPzUwbprALrGIHcxMq4PjQZaQN6P1cmnAHRSdikSacT3u5',cUPMDTk: "\/post\/3706192584?__cf_chl_tk=zp70dm0QRvviZ8LxLhzwjgzT1dtPmFh84ObiWy7TKL8-1739402735-1.0.1.1-Q9IgDT7qjhH7asRMnIdbK30RUDNe.fLDhNLZfb02_Ik",cFPWv: 'b',cITimeS: '1739402735',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3706192584?__cf_chl_f_tk=zp70dm0QRvviZ8LxLhzwjgzT1dtPmFh84ObiWy7TKL8-1739402735-1.0.1.1-Q9IgDT7qjhH7asRMnIdbK30RUDNe.fLDhNLZfb02_Ik",md: "16EHgwO04rsMIvHv11kZ9konLGO7Q2ZCz.7wzdG9Vm8-1739402735-1.2.1.1-HY4cPy4Fc1IWn30I6KWfekpeySZeXMXmj0fLiwgOdv8D7Ks5IKOYDUUTYjTGJNPnuNyRIAz3LDaperbLF1XIT_A8XAue0SUDXLAxXxtrxSEOffSH4dnnuLD4EQuuLxjFk6lrUq0QPhlgp0ACsNUNVDLjJxnNlyXhg7PUUq21S4oCn31nnNWQPCqE.uoiS.yPrPlv0k66NWCtz17F5y9jEAF9xjls9PKrYe6B_VcEdCDRxmCB766qAUinHlaoKu6EfGPZ8qkGsbVUT4.PDeAj6iZHOWOdsAxDeVFI0dljAAUzu3mMQG0cRF4KHCQVFy7wy.seb59Kb54T.A3UhaFsNE0or57fGS2_4u8Nqort2EhaDeip7Yu95HMn9C4eXdq8cqYMqOmkZTMJHCa0R7_YcA7YlxGxhLmtRNqelzmu3_LJzECia2OWepd6cMXJTNJ7K0IrxncJR.Eog1YYpszowtyL5nzYUejxlKCSgYf34kLsNyW8XnO88YbAYZ6.h61uQBozOfoW0hEYAzJHJQBfYIuXQlWZHjQoQiXhMCzvgqm26t0hem4hnzYDv1nrcRVYexTc_zMoZuWjNFLM6m4g3qpNuqBddwkLFjLB8gVU.1F6WlSzppC99N9W.QQEmPSRzAxFqGBEx.CON.UfCjOKdgSZil_V_XWuTcWo.zgKtDBrthGhG9wZXlRtcqPIsM.Sm48kGw3sqJZo7R7eB7wDS8JzOpgMbbIwkJ060DOBTx1s0KDI5BDtvu6eBHDmdKlgC_R0QunzBmN_pPmDuNcS7yXx_vu3CDs73ith0Huh6g2e6lfu6qh2PL92o4yq_H.ZKvJQ.a6A0NjM8tRohfYvUjHUD0gy4Uy0m5HRK5mIuw_9gLrAULDmhnkWMCwaUToui5uI_d4Xojf.0kFe9iwG8G.Qlj6MPv72WkiUv3gpA4ARDJMl0hhaPV5NP_dmkSAYQYdMbefBIMRdQaxA.DTkNsREq9NZtfhw5B1SKjumZ7pGGBEasQDfphjO8MH57ohvfWn0zDcSBt.GMb9yW9wXE4clZNAjIj_ugfHYLIuIheGcvgSbrM_qObPBzny6uGfZj83SNnpSYKptFc6YpGbhi3rrysRtxupSUoejF76cgidLVhRbM8UqrKD1SKJpEpMCUJ0c2FcKuYMJuc1yaP98WfkQ_GEVxV4NQ5_5dXfpsu42xyDls86MlpKYgzLDNBmF_M1U1VWqjefeg5LPbW8qR7hjW6doiGaKKRG1_oCsNApoSsgY7Q.ZK11aLdU3W_7.ryIXA.xJyczZIGpzZiZDX_GOeqI.71WvbZne0tOlEFCAEPplWq6BmmwPCY4XcuRS6ipPRjymi0AqAEkoOtuai7L3267ry.wUSjQBcuSBlnvqC0RKiNqyOLwxim_2geRFKWlR3rApNaWsHCNKcY5GYPGtOUq8iffRqAKxSAkyC3jAV0o3enb_EKjJJ2WPy6DWwiyJsw.VuicQxebILRu8xJInueEMFnbZ5wNySRMofNKUfHbWa8vj1Wz2q.Ae04c7IeP8hRz0bu3CUBJ_.eXv6qahTKMjTKftMKraFusDQbUcueh_9gziJKZj1lMeEXWA4Kjt5ahiRd3i_nHmxv3AaMXSUejFVetfVMF7kiNvOpQkd2eD2WEHD_DC3V_OwzIAuP2CD1z1aD.Hobx3875T7eRde.9uYpHGFt4cFyydDIJvysuTedN.vvk8Dv4ywPX0Ixf99WuzJqNh7HAZjok3mtnwLGPVSaR80gDifR0yT.8qvcZli4vNacSc.vb7UbkNGSOidrqco_z6ZE46pys_qvthChnIvxhMWuZ24SdhhZw9R3jlsn._lYcJzy05BzMjsHvtErz7KcKsB5XoA2mcKBKc.835u84KA0xQs9bGQNseAoOl.qHwDnTVmYQ817sJh1ugyV7I6qoQ4p5XleY65Ib4qZMYjziTYBCIEe4nvlIodhgG6sKh4q.kH_vBdadp6R3mlh8RZUd5RsiN7mxtrm6Xo6clNMETtzc2dCjujs.rzoBEQI6ZamjguSI7u0HWvXA10sFSi_snbIgdOIsriA2RgQM_XD4IdL5Ui2qooRsMFToNk4y_zrFrXP91t1Dpwm59Kcu7EaxCSsrMSDlqeYfxB1pBOkBKBjQ9_m.JGb9d7HUBDlW60wGBgrF4KljS685L2gotmZoNLIi4KrSVs20I4c8DdkHeKUbK7GvwHIjGZUTbvjSKSKXW8__.wfhX",mdrd: "7_Y_tU1k1luUgQEIYTRFjWCuRVIWgUhax2x5A6YUvh0-1739402735-1.2.1.1-H0o9QxYotwYzXf24ewEeO0Y3oPEFqIfSGNEvdzOTBBXch.nO1br_ErzbHM.ekYC4jiTJ7Z88bh62TSVqsmPLsvsunDcPx1NX5n94A3p8pdwjsEPVXDYZ7o2zKH2lopkwrFvw2MhMrppnRdReM5Z0rNgZJsodfNGDWHAXl_MN6NVwsobrBOcY7W44qWmQQzd4vrkWWzXJaThNPXIvfjNfP3CfSpxZJp2aR0XdwmwBrmushz.A1RmpWnc71jzIFgj93HPoeach66zc7d8v4D2VRsCpKEAei5paAH7CFd6.QN7yF5n32g8GYxJaKrn01sxb8h7N5AvtMg2sRYeqeWQ.odVo1apj08nVEXI9cRfPvZpcmU29CQBOidMvVANv41uCCwuyJLbiuLjlLYyOPn_BXgRBM8_G8Ch243gIbAkxJZ3j8hE6ON62LtVCJuiaThIuZTTdOu7Irp7kTFUWI8kADWuSnmVcmwWIs91MHdMfREMgo9hL6wXX_09PJLS1vbvFlOsQVFSvzpU2jYb1UqtXpxVsfuhX3KeY3qnSU2WMUgOrHvl7hvEJvwm4YseHblcVc1xUIhcA9wlZN4RS9jK89Je_vBuxSeT8T9RelQ0ORjJHeXlpdNi3jpBsW0fWlBHbI8LiMg6UvjKEwywnGFIyqVXDGJV769_hbZbo2hf2wdmsSdC7FYvGX0Mm7KI6ZTDJuaXw9JRx6yFdhmdy.VR8dfn3j0kYcJz312BJMJLcWgWwJeVwYk.etJRIpPlasDgm5EcGyTCY1RnkOqq2dhDAKhdcb_PkdsocXJwm8EO2q8WMlOY_cU6Re_QyWaFrlonvDTm2Ej_d7RhACrUnYYXoeZEXL6tR4SyNyrkFeyjU8qsvzAJ2NzqYaIFIbimyqcqE_FOQPM4bkXbjmCeFEohnoHk37crBa_E13tYangggPRiYuEjCaPy8c50uMCWQ.1U9OkJnSAE.1FQ8Eod9xUNoOrXfB7QlNZJZBZdHneWPdvpGc9D.RuubIyXsv3AFHbzdU6yZLwNEIal9pQhXPuY7oboRQfR2Aw1PXAMRFyHnFkEbVIfR9jxHjiCzUpb5j0cjO8U92KCPs9rSBQBmAyCNjhaOviaYTQPV.y0Gywdr1HEAVwp4j8qBn1KEwFrOtbR633eTMxvAlUkY6Qb.WEg7Yfa_s2VKRGWWVPpht.T_rvXb3C5UdbdgJjFTg4VffW658l1wXCoEm147iIy3VQgIuY_ASUKcVrNRuHrK_7zujr8par6zAl1CilbDAaRTmaosb5gJtyNVU3aJhXup9JEzntWvqI2nyMApG2WaKB6nglIxcUZDFAcaCewvCOAY2qQn.5qqBCGfZCxE017vwxn0Rvw6obPCVX.HC9dLsP.1BFf4aEn5hgZ0HDxnW2WeLFeqIR7oUYJv342FN1230wlGJwOP4lXyLnRqMRM4N0YI6j_Ehnu3oUEh4LD07GCMfobojzpP20KzvHqpU16cmsKR8U_Gy6SZ8ObQQYSE0TBIXLIL7m1.Ise5gtzVzcXQU0tkTSRkKM6bKeXWJtiQq0N65csti1fG3ayhqK5zHturJwCz0_oeYrBw06FjY.Q.JDWEldjQeO18WDuHsT7ZDwulvxQ2wBbmhjGfXnVnxK3RRdTV5gMRl2_Vudj0HvvWZwIKsB0FiMxb3s78nHRXuFfFNXh2PSE.BnMjBuyX0ZIQYPR_uwxFfcIIWVby1Z7VHlzlGhPbZUF8twJonOOxm_FeLAaOjc2P4nj_kclEvc_y7VApYzStUK9Kjd1_F62o6zbohtnWaUPFD6n6cq63KyITug"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911056b7f9f08790';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\/3706192584?__cf_chl_rt_tk=zp70dm0QRvviZ8LxLhzwjgzT1dtPmFh84ObiWy7TKL8-1739402735-1.0.1.1-Q9IgDT7qjhH7asRMnIdbK30RUDNe.fLDhNLZfb02_Ik" + 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