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-affyyb6q7.mit-edu.top/post/8537621049

  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-affyyb6q7.mit-edu.top",cType: 'managed',cRay: '90f23ceb99cbc938',cH: 'nHpo.T0GyerbyQUKfxpHqSf6olXY3UdqXiGAu.UJQqg-1739087105-1.2.1.1-am5vRoJVjCh9copjK2mHPB58pia0fBIMRNKZeYKEwbkCuvZXPhlvMwsNW9tY3cbv',cUPMDTk: "\/post\/8537621049?__cf_chl_tk=tw59KhmQWws7ZT2SUPxdf4c_CCqcPZrbPZ1WVRTajz4-1739087105-1.0.1.1-PIy8mhzDHv5nF5GNlYkFxG_ENU.sdMzlgjjuAr6nE9I",cFPWv: 'g',cITimeS: '1739087105',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8537621049?__cf_chl_f_tk=tw59KhmQWws7ZT2SUPxdf4c_CCqcPZrbPZ1WVRTajz4-1739087105-1.0.1.1-PIy8mhzDHv5nF5GNlYkFxG_ENU.sdMzlgjjuAr6nE9I",md: ".n9BTcm3hkwtDBVvv_z3KFyGdlrtdFGZ9CjFKL_xKiE-1739087105-1.2.1.1-dnhOpZAp2X2FZ6N6qXWwBwF.EJGx8ZCwKBVcIPCVeLWoniDhZE0.0QBC7fry6S7GXbeCaZbHpBuoMqq7XHGud69qOegpGkB01lwSt1o_V1tpDlEE7iB8vUjIjzxBtRZ6cRq9th138JqTzKs.RiMWvnw5PMyrP5nuNWIQZdJi1m2THqhVxBpL5A1ibat.51ddEDuVcZTMv8igSG3j5tDQ594A3ZarES8hygebZoUfqh_LeADaOERTVw9oia17NiAW6h40MdMIv_nBi_.P_Vx53X.5pMdG4QdnVL6Q5NzDRJnAxutnKckj9fSKIduODkLItGyql0jR02yom3qBRuEr5kOH5Kce36ouuucBsWgFCupsy5DngAlw4vtuJZlZVKkgUDpHgFlAJ513RFVaYThqWz3sEO_asVw0s7L7dJn8SRxO7ONrWGTiWXDrsvUfikinv.e8efjIIyRERJwRu6egCzSAccD7D.EMh3SS3uRY4mDGScnEy1KZxCgjdS6UzNxFPF.neeYd6fjKv.O9pjWxFnQTPKLWCx06ygNFc19UlUd5YiPXe6zD5lBGUuSGhmDWkKHAcobtNteQXN7qn3M6qGabgE1ssB1jFtTFkEnsoB_wBz233KROkcpyF7h3_ViJoaMDybLdojAAHKbbi9nSTcDVQsIk1LC49uxTEL6ZwIPkrUdFIcjLrXSOJqRvurHABJGvtD8UqQ4dH6Ro1rQiure.ptyRWnb5C8yWpQcnb4mBNxLQEiSvYhOK6pqswgMaCsBqxmUqW_w47UrBRK.cZR5qIpmx8TY.QwlKhPmsZx0AwXvfps_IHvmomm7ql2gEQApkdPV0Gnjwrx0O_JsuaP0.zTUSrfHBg0x_jbv4LI1rz6IrKagQbUppEFx26j7vPdQlGsvc3SacF5cqSfpxLpHyqxzFdkxGU1_POwaR_IiyV03psGkVRkeWRyR8abQItEZ4coc1he9GxogYnjHw6UAqLYxrpIqLjumzrDb.gdCE0o91UQizh27lk5uicsiJ3QdVbrfWdfwwDJkEimLh3O7fI3AU1OVuJoUGlD.VitZRznHqGe0zoUx3JxdX3Ph0oL4FJb09UGOhdMqGDeW_tKv56YLeKbcVI_ONsPDa4uMVYdqgqZGHsBtbC0u_MWv2dYOJzRq94eQtb8fX5lQcGceyu2KgadXW31bNn6wVI.OrYaqE86_XM13c5P5G6_K.g7vLtVNdCDFHbowG1oDdqZeT3RvhRagkzb3T_g_wJkRH8x8ChxiQ29H.MbWSJ2NjplCyYKfS367JMvZeLOP006et7cYo87Oa0Dzc3rR4Pu1OwrWVCGb6DQuBrXg1BxEcJ6AuL7bALqU9fZ8wDbmBpogBr5tVn0D8_IqpojWoI1_Spv_DgVmP6sR7trQS27s0aIAIcqnd69vBqviNLU9ZsgXjOyTMrldgO0vqaVf8ohnRgEvXpxr_EuRbBqIwRTqUY12pOk9I1DQBLZTZwCGFrCnaLiM4Angn45WkL0osAkhEN9liDw76WH51FhPZf7apnCEcinA6dNfOl1.42YJBEEfS4LP4Pis1bJzBx_AxdA2eaBgEVUPZJNiakMACsKvL7DidSz6tZHfHdu3F78X6HhJrjmCeiRQO6PBoXE7nG1jJWtkaDIUGZVokJb7EllbA65Npi7z3atPf.YJG4m6dE_qgWx401YgRlBA1YcNZ.TYsNLYrOdxbEBczXgM00f2H.WnY3mbGXmL0oYPOJe8wvLG.w1wMr5olhFke93.xsLvIJn.t2qY6qK2_o8P3P9i1.JwboABCh5zhgOl84vpmOoPayV0sZuup1IILtawPb4a.p4qxW7MYTuyv5Rhxb8elmbwF0icCIiNPWREyVz6iZwlXWKCRraoDyiWwWQUF.jTxba6qsFLm6ddcVn_NRfm0RTomrqswlnhiRVROJpiSkKB1Di5ZcEc33NItA9U9tlk3czbyS3S2Z_57rzgKwWUnLtV4GvUUj9r7qI.TjwcpsoDJs9Tcp3HumKvLlMkiShkE5R5xsTp5UFXAYSU3F5w7IaDu3KJcyAedYkpCKKdn2keNqZd1lftjQ1ygoxkPwDTJvyK4BJr6Cu3fyLAWGnGWjzjz6xvUM3N7kDWYjaUnl2SjEE4z5lrVSLZqGKz2jhaQcSIiss1kYzsGVKVPsLyZI52DuELW5uV4RIQw94qd.I6KQfmbQ0GvBeHmzBXZWv6fpHcLj88mtTgL8dzgxNmG",mdrd: "E3qCg9helwBceo5tgAYzjj3IAymJp3sPbgVzjlGqX6k-1739087105-1.2.1.1-FbvZcFIAJTe842FIc5VBpw6SRLqIbiosZ9rC7vMzMk8Z8_ICv4pdUqJJTSUG1sVP3cAD0MGrFBUoc_qT6fp3LIu0VG0v.AArDcGwrEaNRNa7KaXzEMVIdH8UI9hi._S71Q0.P7wpo6Hspegr2D41uTUdtFmV3Y1DYDV5dP2xBmV4gx0EnZWUY.n8oOvpScld6LBLy8uU6uTisKTGed875Pt4KlNQ0XSBVm7F87W_RCzJfXaRiblVrkkBvI51L7O76DMqNzn_3r3RGjN2H9B2ncKH3GZdCtn2o504osmcft0M3IUN4a_9UHtq7g39RVRWHZsNVUXIc_aCJWIgSMF24xjhiuIcw0W0Mn1R3V_4FSgtEVwrMzRjhDiVXHqiSXjHK1T6HawQAZqEq4xKLOy8GTOJ7PnhAhgSP0yoehWZ7YJ87M8JbfKdsDVflziKnAZ4XL7dW.ubmWHKm9.4e_mvGL3B7q9h1s9dUtogE7O.x7ZEbAFMe1wnjJiduR4iiRAqxbjBSiP93McMi3VbjH32N8RUET0efI9ePfJa5lzWzfNfAXeJp2SoJ.d3F.Y1pJzxK1nnkwv7BTL1ajygKTfH6rlGEQVFH7.32EEbiP0aFITalrATVP8wKcmQpq3okPHnZHe2fqRV2pCIvDG2eqAXHG3cXsnYhl7KQVclqJ7JhwQgpviNbuUG2zAbP2hgk_0mjAf7BEmtH6WNUWhUZizSyu0_kv85JOKuxh0li3t7n25hxn6W74_jHkQzdpCm_UjUN6DJ68xQyvPX9SC0V8zYf5nRZibd.hYUhiv3kiHyJ1GF_iStljq_ZMog4Ika0zjP6RfrBXcWlf10gWG2RdudqHxtJqsSfFQTYg5offpukHMUU4.kCjC2C0udcHfpdZAg8ZqXxMl71EGZG58t16HnRak22mKQJ7g3tGinWeVAdMPS0VvRZ.wkZO3piIl3qoAeEHCBrUF5EnZYFC9E8eeNC_.8lEpVUKFnQ1flek6bkDJ1DsiR38D9Ff3OXMmyleCzDbp3x40R2XAiCTwCwuGH8fACVpaYWcYs_dTAZe9GoJfJkXBE2_PWjzXLQIKRo11GN8HnsGaomOPicH0Q5CgRuoJJx9ov6.Kq1shGdlXo9pcC65.aARBm_II.nTWVLR7BsyQFyBtaA3erjecOPNMomuSye.IrBqC1aVqW3wBPjGyOesl0FF1Ko.pP1HalRHu6gvL1LkSnIR1g6hdHw4elDt1A6t.mBxFingx3vJWveU1CTfQOZqj0j1uzuHlytAxstYwHE3CAVsufeQyNOpnm.ICbaWuyj26fNY7rA5EIoOEYLlzzRp5oq0xFIraYTTsbIS3OCWKPjrhGBbUShow78YOxjpzPFCRs99xhF2FtozbOzJAtxEGtzkdi.nCoiLnYbRiQkaL2LMOZWe7JzdyDPTXsWeIBVnGIOLTruzEMQ8LC5SYD3hJ5cskpmxw9rFgvuZUVYRh3tKiio3DYAwmAfp9WTVY0inLJo3n34XHjQpk9J4HE5bQS5L1v78bBhG6SP8TptoGePfMdHmi.kJLLjGFEemmPgavjJDElvXKTWqO7bS4Du6puU.1KjGOgyHhgr3PdIkDr_ia4QuVHwdM2s2AheUDophCRFgDkyo4ag7S7TgESa7LcPSXkSMurYEsuRBf_kVpiimbwMZ.iWuWFgR63KKZgCDxUKDw8bmXFCtGDMAcmh._IgLQXGzV8h221Qvx2Nv.OPofI.43ri417n45vEDO8MmrKogvwy93mSlG.7lXNYy7MpKR4A2CHUizGQZSs4t48RmIAPkWiY_EBQA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23ceb99cbc938';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\/8537621049?__cf_chl_rt_tk=tw59KhmQWws7ZT2SUPxdf4c_CCqcPZrbPZ1WVRTajz4-1739087105-1.0.1.1-PIy8mhzDHv5nF5GNlYkFxG_ENU.sdMzlgjjuAr6nE9I" + 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