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-688964119704.mit-edu.top/post/4978032651

  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-688964119704.mit-edu.top",cType: 'managed',cRay: '90fad6a5ba31242d',cH: 'S3Vv4oLMSAWFPqjIcNUwhfJ_Vi9SOuXLPsM_eO9_QDY-1739177288-1.2.1.1-5tjGadgZQKNIR5QY8L7by9cHdekoOowExgBXNGfWkkX12PCbZsYjXoDB_AXk8puN',cUPMDTk: "\/post\/4978032651?__cf_chl_tk=qrF1WfvOSI3lnUGWO_UNevKVJybmTMzBFwNZlRGGAJ4-1739177288-1.0.1.1-fib1dOC0t5Ow3jRs20e4w3xvswz2wUqdiBxfpP6MITk",cFPWv: 'g',cITimeS: '1739177288',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4978032651?__cf_chl_f_tk=qrF1WfvOSI3lnUGWO_UNevKVJybmTMzBFwNZlRGGAJ4-1739177288-1.0.1.1-fib1dOC0t5Ow3jRs20e4w3xvswz2wUqdiBxfpP6MITk",md: "RRFbOgjLfxDnTFK3jeeqX2DeGLJ5rQeyR.LQgrazGc0-1739177288-1.2.1.1-3ym1m.fi7lwu8flsUoKY.tmB8OvCx_FSgUU3_E0anvpCgyc5_8dXjMJ2CTWgUFv7xlztBIQKXcUrfKFaxnnjqACAJN48fWaecmrM3CIphVXsI09D8RBDkTN_fEBR0sLfnWAV6GT24ipQqmzCH_IpKotfeMudrnYLPqdrU_hC22wDsDttrxhuP1XZQ0XfLoBrhcw2KWPvY_icEGyHiU.qQS7taaH8pVh1Qmkn2TjaP7lxzC6U0ecwKrx76oPaFlVrT.gsreuvc7_DpooncFbpkjI.0KwOWTJG5c869eo5KdLDQBlmQKImU7.b_odFRPzryw2jkSIXNGcqRJECznWp.15KyttWvyHDpx8mbCUrfwz6eTzrV2VRSi0qVJwDJ_4jAPn0lU5xqOfQj3kQb6TbwfE2KHZmqUXpt6xLnJ0IzLcIH3wlWmgHKBN..PYYOs.nYPNSiYnFFaK2O9lFLybmur1C7xwF8QZVe0tO1l0EsFP8bepIljLXGOhiMR0RQWuFPlFjdMiO8qiyKwShjqE.KOLRQsVYIEFHFHDsNlszFkNttI0AThx98ux.i3Q1._OdQM69a57POyzGEpWDo.uv44H7pC8LfikfZ4C1MP1K1JWxo8SoC3RQ19R0uc68IOzBEGXYG6Z4YJgLIuRHS21ip9jniGVrxfzSfn0RLVHMFrhmh2gDmnA4eeNEAbWYkLOVArm4sWfK8HSzqN9SiLHfqC3fAGOiMcUw5w7lBJb7uSPAd1z3MCMcbD1IiFjs1l05w9HI0QGQxUtu7Xj6ST0HTdY4t0Y._2kS3WFscJk7Rje9vvsnA5r0obuz40w30o.YROnjCTJNoBqMnmAorFMBIgz3fWD3O.kRzm0Ron_oQBcWRLy.5QdqA4AAfFN0z3Vs7xH8cwfleabKzatscLFSPGnOFgXriyRugSxDwg_EG7sh_GrmiDGycAECccVlMBoRuPGd.3E.18JJcq2lr8s0HvtBfSwfsyB1QqahQ9w7AZuZvbb9GZUaJXRzyqpfKNxwOpSopKzcVbYYKvz.yc99NJBZn5q7miYmu2fcSTMO9eWaIP5hIgjFq9jGBkU7YiZCUMyvsHhdubU8k_Gm21z1pnpGP29A71ncAjKPcRx4Nw6n5h5bZvUw99RORSZ6BJoM_BdS1cYWaYmMk1lvU8ddCXp6Oj1ZJb3QbJiTRUwnCmRAbhaUJW1tKDr82_hsrNJH0Kyw_LNnmrWH7UukXRa2zv.T9X8qscx8Wt8_LX0Kt1KknfAGjT3nMdov3f5VRu1NcUN1OrZcbtjbinK1eNmV8VjKEAc4DY.djOrF70jbDySMuPvgXAhk4Deb5NOQCXLG8lhuvZQ6KY5jHhGqgeYTCfSPvP8RkkriLQAiLmOUg3yLuiXcrJqV1L18jwkJlF.hM6dlHjx5qN5VVSuZmBazHFuCD4vQPkSUm3b.RcMkFQPl6coLzeeyUbDhVptekLt_lXbQDHfZLa6.1w8DC2GSz3OlbHJm6L7uEnHfVx9iw2dduBQ4gnagYbYULw4jHIgAUniNsPZJMQNOXenil4HvQMJ7UJji9vrAePrGGXHpYSo28yvaL16_kCNJ5DZl5kX73fuWuB3z1Qljpkg_EPbgKKPCYczmBvrd8v.eCIr_GcyuputGJ4XOFQYATaozgFMaNcNulQvHjS.eFfEtktLAB1C9SSTJvyXK.kp1AobhD5QKi6MVL6AhmhZgIbACceCr2ACAssmkVNIt_sTPrGjZmFuzqOj07l6akMFZzUgk3sgUaZRJtx5JkhjUATc199tTNxMkO7JDlsWmVyFoLPn8YMzMo2JxT3d6DCfF6mie448UJKO81qkZtcl4_2jnzQNNnXPOsoXtqggsdLvsUWQYaeLqiZrl1ByLaTGX7sTVm.rRzPOVf77asTvkXAa0kOs8eQaHn3ShZIu161X3YEUj8bs37c8pjN.RsxD_to4dVrGp0RkD2.eImjTOt16kL4mzuNqW9dwFP.J0QS4cdtuEKO0KXZmicbq9ZqRBJxdUUAOrBIvHoAhskY.wyaCMtIAoaFIxm3ShmYg0xAjugEmJ79673OOXnJwybEa1lE17MbpoMWDdplZFgzPXADjYoTRLCIyDJlXroSqRAvCgRxi74tGaU6HUugitdTptutpRoNv5TkkWJBrwNrZLhp8NciV8VQIHiIohFaH9L4GbPIzWRd12jRUYv5JAbx6CAtZ_a6kOYHeh6DRC6bsTlYPN3TXv",mdrd: "hQXvl.tD5oJrhiYWNeMWHG7iw71fCL8Uun6WveqRKHA-1739177288-1.2.1.1-aPt84pVKReRnZLILj6_nbF_GX2fEC5fWByIH8O6bX9nIkoNJqYR.r0ARif_g071.T56ZJvV7jRomqWnqd4imq4yd5ZIyvNRmeY5rKdszedpXZOh5oJS7i7r2sP4szAm663DLMj4iGiHIGWWW3e1aQWggSYQOX4Q8bWEEgVgd97syC936EoCgiwgvfEBLGQGEVE2vhIdm1.wVAXyrTb61CrWYByp36.wGSqrAYGoBt2GUgKHsrFht3oS509kTuFt1T8Ji2NUAnrzf1ZBI6xzNO2OMC.hkwHbn6kdjlln5b8frLo8QDsmD4DXAjFhMHcChMkFh7CqREr5j82jyRN63BhFHaIRL_lYMIDXobwKB5MFJADXHPeB37MDbDB7X7M7dPkhZDEtV1Pm_41j5zKl6N_61rUmzJugGFVXUrLtx8iIIMo6A6UBmdLno4KUsOMpmbly7aeD2L3j.c8QQKaePoJsZeKIrHaTdSLrISWnc9mnAkErZHBqoJD.EYm2eOpa3yzoS0rM.Gs7UUBXVPb6O.p3h9wG9gygj7Hgq1GH68u5jALB1BtCpOt7ieUeN9u6ulfHufGwLO9KCNevoNUn7WlA3xy7lSqooim.5_ZjdxzEhx5g5Ep3v8CWmIQEiPtfO2qxqxAnQ9y9daabp0QXjxKQcj2RBYH.tTzPg9HXwLIQ3sSvFOw91nS6XaI6VsGKdX25HME1DmqvfU1BtR.v0SLhI5iyNLgeHkCDPMvjyviatcyO3iqTqtmYrk00TfqLR2hzDm.cRLsIdPYVF54WiufPKyQkYzsogMgKsEShtUyDrXy.52PKY8LbWSfalbx641HZQ4CGJp0L9_lksgieY8T47bUrEhtbuWI7WLiAlEdyvXPVIBUwIeRfhs8r_Ep_2j4IF69HDOP8Pfch9l9hqnzQ9X6PUKeArPN..J8fAGJh.W7VhuMqoK1jQ6n0NDfKBhyH.UjffT3mDYwXrONbGqhfbWRtpdJOmDaxLSWuqJWyu6JFyziilrCxTaArvWidlFXKs00s7R8PFiStUza7F0ZzzLI6SpT0eR7C.kgjjVDW01Rv.2FUoTmOGbJS44K5z4uU_2JEZrfT6I9Ge9BQDxTKdxpmx0chIits.Dnv7z1aZkpfb2wOSVp6b2mvqOdl0tdOqj88hjH7On0ihjJHapqz_dlKz6YVon0hLOPxAczUrCvcds1tYbMABIXzW8RDc6xQrJuMkSMiK1ugB4asEt0A0g1WlWpEQKpfH_mdmpedqnZCyHHUjaGkRvCfw6QHNLAxxXEKJdbGjxtV__gGS.FkJOEbJpJRTeShHQUIholo4Gdr5udgOO2cwNeOh2EDmpgekmYm0S2pXq6GUcFrfLsVMi_KRFMU3rLaU09IkD571LJhzkiYDMJGGHE5U1q563XgvQneFPvG9yEyBPpV9xpx7dQsraWzw7GP9Dj.EfMEPg6OGd9W5UaYmUdEZuxfgZ3G4KJniYugXi6RmGhg40ls07_KiS12fNHax3RxA0.y8Rwg31kYWtslpoSR2.omzhLgqDHkxgIdt5EOMzA58ZzEOa.XGKohqasds1zDb95pZDSnSh0IBmwnBUK5KrkpWX.M2r7_BKsqgTQpeL3WHWGbu729kaes4cAi.jLLY1x6nCk_bZFaxlIlkhEIcKJRzaQFy47A8xMsgRpMiJ2vnA79p.tcvtGU8LmJLqKefjoT44SrSveUXG3LNyUQOCLgIP1ZZIdgqCcHKnqMCG70xFv30mREw0s3DwkmzuCENgYoO8fd0NZg21XKBXlhJAQy81XYXYL4..ob12_5AgWRO2g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fad6a5ba31242d';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\/4978032651?__cf_chl_rt_tk=qrF1WfvOSI3lnUGWO_UNevKVJybmTMzBFwNZlRGGAJ4-1739177288-1.0.1.1-fib1dOC0t5Ow3jRs20e4w3xvswz2wUqdiBxfpP6MITk" + 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