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-618521563209.mit-edu.top/post/2740956138

  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="360"></head><body><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-618521563209.mit-edu.top",cType: 'managed',cRay: '94adb7854d38c9a7',cH: 'I86BmQqL234FMA7XS3kAsi6g2JkoPtvS8LunBOY6e3I-1749106028-1.2.1.1-R84277mXSCrynI1W1Cr6s0Vj_GNClubgCNOTOa1o9IUT7KElsPwM44IRsFYD_w3q',cUPMDTk: "\/post\/2740956138?__cf_chl_tk=FEu_V5u3QeTGyf55Ubl4miQH6uQjfIF.k0BpLFGjEKg-1749106028-1.0.1.1-hF2rxLfbghM6EGbnHt4hll8grA4l7RftI4fl6uUhuBo",cFPWv: 'b',cITimeS: '1749106028',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/2740956138?__cf_chl_f_tk=FEu_V5u3QeTGyf55Ubl4miQH6uQjfIF.k0BpLFGjEKg-1749106028-1.0.1.1-hF2rxLfbghM6EGbnHt4hll8grA4l7RftI4fl6uUhuBo",md: "uPlJkxrWGmpT1trf21deFJs41ZKcWInrFoubWuIahkk-1749106028-1.2.1.1-D2aRhhJhBjXFplbMS5F2etRQE3aU3JyGp9Z3mS5kX.7L4y70Z74brWVUbg6dfCONIHnR8QUxehYHw9GQDzvQ8NJmVuNc3iOR.EdvPIbAzmfSNG4HAIHt_aZ51eh9ake8QbbTiVTOTkvXFTLQ05fzf2VMh790QSuA4c14TsoWeSV0LLvotZTW6fwNSxAtImRO_suebBU93ThDlKVmLrn7jLwYNEH.ejt0j1RIKqzUOZx4qS4k.cvw.d4F1.wgdtILx7YvzkOauqpl6EiFyjlFEGNPrTnuW4V7xUKdP1y98su_1Csln5X5rQ14zOd2WUTaL3caSinsGWYyNpL7XNHDHXlaVz2BZfGc9yCA7KnhnkrRJPEnqMv0fu2T7nR6Ysq.hAPiGuYfDitfcdbWNS_HbGmzYLd2D98TbZHTSLeWh8FtvQ1n784vUVWEH9ScxxQwRCQegx0Ex6Omqx1Intm.squvkAWosNhzG7KlQ9wFVfRELwIC5yVX_0lSF7CBIak8OsmV7cTMWVZ6ue5c02eufVGNy2j9uzTWKb7yMJ32317ts3y_ImcAh7ozAEAa13pw3jpxeWt0Q7abPAbN.wVRI58I7gca6DWT4BRa4i0fXnsBG3VVXBtfYHawcBI3guqwVMmdv6ZqaelhjW3bsDVfsm63EOvsPoFq6fn7bg5N7F.GQi3usKtwt0lpy60GQNW0MKZ4OJl.pUhUeCF80M0j4FtMyBc.VAQvJrouXCF2lRyCvfaaMkyqJ4tHbB4U2T2jhZ1CnkTlZI3deieiFY1Mrc8DgGKPXcN.A7duCLNZv9X04Sa.fIMzNEy5wgYE3o5amNScmh7JFM3OhQitWn_dmw",mdrd: "ki22fXnbDdLC5owT2eS446.zRbfpLdBC0EkHjry7UUg-1749106028-1.2.1.1-dp3qpi1QcQxOmL2Dg5bPl4FmzX7WsYGBUcPvKhb8PMsZsZikbDdhZKi0xbB1IhlFmrDX.XvnyS97MgW0Mc0uZDjzOO8D5WEjVM1dLICPfyT.VgDWrlM6QsVA16T5ErUJGy2I5sfHwRhQGnW2jHiQ6uXBi.tid44zn_VSOM.O0zahIaW.8JP6vtRAPGfxfxnJRmzK50OCwuJ3H15RueOpC0pwKc8DkxvQyUCnciwEdrFlQjaig7G6IrscflOeqad5tn1bnfUDlrHxoEf.NzFE20GssnyTtDylC1GJMte78kINJYJ4T5YE2KTwrgBq3kVrFMMT2iexP3aGlSvIc7MPxkYKWAQYSGNMEBOVbAHiWasbbfAUtvLa9DyTPII2JoLR0DQu_N2v2FpzV3JkV5nvKaTYunBztqoRVgUn7LZGZOeUsKFCRtGhRznLsLP0zj4sru_JnZ7YWOxufaEYWmREEJ8rqconIwRKI2nsTNYPbIrvLn99FFJThytYMmhjSxXel1VTcnOaJS9JJCKgN_FIC8vHLb3uIfWJAzyeuavG6hwwQstlC6ASTpNCO.pGI5Q4RFNXk65vGdagaN59IHajlpjITigsyZOXnRhjTlu.8kDDBnAJMk2DUjCfXwCdBL0NggGgzDAYpKyGoh6ePeIcyMvdFPOM0stED9S1THBexoOB04L0zm4cMYuyfhxsODjNUAEDC30CSkDAPRvN5k.j_iBNm97xGkQoSn584.JY1Dh9uwZLeEIgf7OArL3mvt2gLTZJk7RHrG4gic90_gVTbxnRkfMOqj5C7LSJsakFIHvajPMJDd_Ud12H2FO4TxtmLiWeb1qp82C70d1CrLipwkA9BEyxFgNmTwIOoqvi3YqP9BqzlyVlPde9He6c3EBmQhqAjTT5.gqVwIoWwUv2R752CRJPASxBwNRMrNj7_pPeYDazzcWI2zYEjQRVue8gtahi76RDTDIsbNfWJg5s8JNbBsB.8j.uZOzJXnV2KxACvioxt2flgBQwqlEemZ0LkJrd7Rp_JgCm7jemOYy3R8ZaQVSq6bTrsXHyRhkjU4RPvHDiQL_XOhW9I_iYpspocTNpJcpOGVfBazlq0U.lsM4HcAAFRlLvzPyXWXyT.EsZhjGVlJqhoRMheC.YcKX3MFExkVtYZSu0HHuTP.hFpy_H8sFLC78WKfsRY4KMVA0pI4gVO17CaYnYiWONjeEeJAuw0Hytz76aANxNmZTUgkjn_GLiuSq8zEdxw_YKWrhNNHLlLF2KysXCY2UUAxPBT2hcDqdK2RJiKmZJxU3EWOg5.YsT_RsdO2diuneuYRsyaXAn2hEFbLF_cjF.hr7fDe7YdF0ROw.OHAu_nDXtpTj0olzD_ab3zuCBOXbJcrVbgXAGPTYy2hRRhL7rTIWWh5iHP6hFi55Bope_P8DMzXQ56eizMorhTqWqoEXT5GaolnZBfe7.2Xk4zuixAKB6_cS1ztV6eooD_.LycAxCfp7IjkKWJnnYdyymnw7EvCogHX3QHjKVFkwvOM43jXT8Yxofob68kVaJptZTuuLN8jOOmnivhQhDENIcfP0Vzt64qefBotmdXK4d95N_0.ktmYhYT5PNYPCJNrUAgX.kDMZDZg5d965RHyYpA_F1crRNOL5BiyJiMWWjMVcat4Hi5BEWj3kmeXvtksm77FPMv594oStDFvFna4w5K326LUg4NUeYyi0v0wGDHFdIE5tNXm_9qiaeWOXoYplkv1BZNm2Ix0EAXmTjHVw.zLoMPF0QkmfUHd11t7Ex43w8Vzj7r01BbzCmX4Yv_GPKP6XXXbBUUaPjANBsM70SZUxpAlsrXgfTBD_ShaJZ9oJEznAxwrvCi.WLmCwuPBtBl_VnxB1IHdHqGpMxjd.NQjeO7mlrJJglt8h0rlJ1Hjp_75r2"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94adb7854d38c9a7';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\/2740956138?__cf_chl_rt_tk=FEu_V5u3QeTGyf55Ubl4miQH6uQjfIF.k0BpLFGjEKg-1749106028-1.0.1.1-hF2rxLfbghM6EGbnHt4hll8grA4l7RftI4fl6uUhuBo" + 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