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-121280115929.mit-edu.top/post/3960487251

  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-121280115929.mit-edu.top",cType: 'managed',cRay: '90f41dfaaccf9c3c',cH: 'qS_J2eycfaW6jecIfH18tvMmQTYy9eiH8sRffCj6Am0-1739106810-1.2.1.1-XaGdWrtF9vunRk3lYY83k5PoLxwu72jG0dsqIRtoDTj5sFLZhejGiXRnMx3R8I9t',cUPMDTk: "\/post\/3960487251?__cf_chl_tk=jPjXjx171eHUn745AXXru6pip6gf.iKdoi5ssU4pldg-1739106810-1.0.1.1-t8i8sa9VdfTZn8KYXVLDmrZPnpQBfAoiLKtlErWj07o",cFPWv: 'g',cITimeS: '1739106810',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3960487251?__cf_chl_f_tk=jPjXjx171eHUn745AXXru6pip6gf.iKdoi5ssU4pldg-1739106810-1.0.1.1-t8i8sa9VdfTZn8KYXVLDmrZPnpQBfAoiLKtlErWj07o",md: "UoPkKjrOXu4Mb0GNbCsw3kmprR28oBwozaTQmfwZeoY-1739106810-1.2.1.1-PlDt3.71WQCRaXsXTrqPZt4sYCwDTvgmOORk5xc9n6q.mqKrD4xf5sjl1W9QeTS81kg.omlrdizz7ZI.s9FKZMjyG0Y0rAvvb6iqwkm31bds6N8ex3lSr01OMmrNKp4foyif2mGgt6o35de5ig3M3bTVAGW43wo87QbKGwD5IbOfowY4gIX2jm3kIYySpbkQkec0ym3BMF_9xIxi7Cr2j9MfSWFqTL9xkJsh0Ot2nuAmPtCWDZ5PG3PRmOzFdiTh1tPhy76CHPqhhAKU0Vwlara71QK0bvg8x1HXRz221EGTpODa8vsSgDxfydROI44eUIXRdxoxAcU.IAGW9_f7FZDjQ9c4JFcnawNRYraxx6xNAViWFZVGeEuellX4YfH3XXe9xQHAHr7yTtFt4kX11zkZ2tw1SBQ5ObpSf7AlAKLG8z40Ny2fMHZb8LNRzXk5va_9tdK13_E5dts_mll3dudlZsgVgJoCkJmEWUxs4iIS.sJtqUr2rqoQ7uz._1dC3JKBV4Dgoee0Rnesnpo0QOciI8hyt3UgiJgWrzXxafFOvCZjI5iFTe66CEA9O.JAQqpzi.3927Yd.gdcvOzWLmmaMDh1kEVDJ9Gni8LeWn7Iwdt2LGBjbi9DMdQ8V0x906T3lLioOZ5oZTAeQF64aPr1DIsnf5kzI7BOpHBRjp4ZQIZMtUMsEmDOXI0xzaNXHcJTpSHXCUiHFFjtACxIMhgxVVT_pbxkWaY00SBN0b694txHs8xXIgcYTQxq3DeXJbd2VRev36dKOnuddc.j5MjVlT_WHBA9H8uFla.uOB9wtaLLEtE8CGDxR8ff5kg6oM.lbYTwqtsphtQHhgE4g3RZC1NszK59RsyLd8RcZu3pH159OxfS115mOy7IfXEYwT2_ragl8Yx_iWh1fxZGPMn.M6IrInFHQohXn83G3bSoRb_LSGMFH0KAmJNx3.8HnRV0v9qLR0BNAMuAQzLBaoAGFu28fxqBez7AcGTnaKaGxjMebLygkfp9rE3R5WpX9f2BmClKYaXTNX4mvUeqXm5rRBVUbHo_o_4c_WHaOkzrIuS5T6pPABgSePkkKAaUgx0.cds.K8jvhdEN474TjWfZmvPgQECzgDt.uIdM2JF796AM7a_5VI1biFKCyeG.ZgpsLanNcFy3KAgzH25qZMHpyeQqMzBwnvThak5nClRQf2cmzCJLQrj59ERz6ES9hI9p0qAuABwsf5W6QmSM.3cNj5F6cUJs1.rA0P9CsyRHtcGnNVd6L6lCejvbUoHXVPZasCkhws3Pm7el44P9ucUE_KhBomg6s8dHLG0fV9tI424ddq2y5rv9z_o5IDHzpYIZH.9jkeU8uJCkzNtXiGykDK3n1FlWimI2SAR1bHVjv198agMYlPiDSZ7eSkZsJ5AndKE36Hy.8Tiqo8M6.O4KUAaLKJThNcBeOG8xiw0pH6aWhresEw_0bh1D81YA6aiNalUQCXIi64hV8DANkP4TMZKhepgCMjPhijoCmq9Y0vHXudBtssUp7TA7pTGtUhQxxCNSp8d0svdVdye4Hrf1ZYhu5Eeja1VMKn85SpLMyI697E8Fj9Fv9QAX3Sj8Ke7tSDwNlFWTCRTu_qeNKGUz7.vYyWBgALWynC1QLDMDVsK0dD0nU9ECGZTeg6nvYW90rlKQtysq0DIuTAqwRUt7EsqkDqOF8QOrBg4iwWMFSty.0KpuyC9T3sh9GQYNh72N5eyr5vId1Mrtpus7l.aMRF61ZeMBukM4HgaZK.wXqdxmyhQoxOL9owQuJpWmn3jOYkLAB9YVcxCkMJRaiPv8yEBhZB8.cTljfu1ENW9dRpBF.Kc7SF.Fjb5FiPnh4nR9EsH75e2e.l3Klb2qnGbJbNfIsnUHmT.0fuDfxF4VxoVHc8M1MJg1v8JBsUYTffUTURoMqjAVhAd0cVxfyoO.PXwg4nO7uqDwOr0D3EleGnuTeaNMZJ0tnGnWZVnf9tzyNtyYMFgIFTe3K1NKGOUXuXpUJiL0MpdldHWzMAoLHmXU0w3mqrIKYlQeyT4tyspdox4fQWElxYr59C0Eh7RVfm_zAo6lJFNOxX01BHGUrr3njb0a_awEsBY.MgOWCduN5UCe3Bofhdu64_SaAeORwNlnqsOdlJxTuE8xkgk61Zs2XqE6m5gR4MqH4JuASujpsrvAO5Est0imyre4buxbxjxUwCdvAlYaRVwWq1sVaQh8lJTxWr5CCw984bhY",mdrd: "IICk94UA99wcsks96cDwqmWkshdZPQtrDBHzgBCvurE-1739106810-1.2.1.1-.RV6Kye0mZsfM54_CWcHk2XKyySaAdeAqPKBxlneWPRCA_qHy6urVPY8ufG7l32Y5DkpHWXqlhClwnN2eN2nfi.ReQEKrHo8UbKqtOgBX3GTT5faTb_2XI8sHK3bxOmucznntjMTaGyNX16lTKncbZInH0eq51wkByCUJ0KYhQtyuocM2nKop0Q6kk.XH.XzZxDgJdGW8Mjn95HALUeLPvXXsBduGtsEmVjXCFL.7JkpUnSTo05au3LcOIRfuAiEYa555Ofx.oB4wEewWuv2SulK2uWoVnaAbRm963BkC7nhRWnYSmomCRkz52I.gcQ8ElsTMvT.BVMVNazulcsRY4vpN_3ZBrrR9Y1eRm93VsijhpSOHyKTBOVWgSQuBzIBAcqiY.S1p8LBdYKTX.zOYtE8yb3.SFcpqZCrUMmiVMVmc.eA0klXWck.ohZU56LwdvqtbHWSLeJgi2YMEcyxK9gJ7n6O15W2_N6FqoJwRax2KNptngE3BPqllbYYmpzbdZJ59Ujn7EtntPH5SOk2kdF223e4_0rzyRXFdtAJF7_6OIcREurPnSX5.vuxnE.AfbX6JC26D7jHVUx_zLEzznQ_tZkJEggWcXYW6RR9P4FOf4g8TMRqE_S78uswihPXW2TxL74.g_sJVL9OdhdGCBqPfZ.uMD423WxHN5zfkabzkuESFkoFUMn24SN6KzBSx34EKKPcRCmNs9l1kWky5zbfTIlOy1t51wLIG3WhhubTVcxWOlPGQrp89Mj3QuhfGEG7s.Edi02Om27cEX6ojMHr69xZcsrqU4ZyRAhsfnI6cw0pjT0UsBxALmHKBj6glHGoqwdd9x1BrYrgPkJsauz0gkbyC0glXhvFNv5kdplB7VCcvoidmT3bgDeaNXh9_AuM5iDKf_zXcvtLxf4QmBofkdU80Eo2lmEQ0nUdYxhZCkrbEoNVLqRi6pHSt3ZUvSiLKhuC79c.3Qkx2bURa4xwNrUaLdm0ygEVc_QzSMEyGiqW44es21Sa9w9gNngbD8n8yllAbx_5nCm9SyzhjSBXo1G1E6CGkt9kqY0KRUlmnwH4Sh5N0hjpyYAqovzgNK5bZ_bfOSv1OXmsRatNTc5ITD2sK7KMplcptpKWmbTZM0klQLJKNxISp6DTz46bPu5TMkPeqeLJ1EcnCNLiAztIVLZ0hNF4KZVxI5lZc6hquTdmDcSAGLIuCtfXNl0uBq7a47LKsY_j.63TnxEwD6HWYtJTGoKvyxLicTPiYTyA0MvlluRvTp0o62bDg2UpbGyZ2R22K3XPjwgnUsGwkFKKUt9CdUqtUjRdblaYl8AGSmrL9Itz9DM8qj531DtqySEthkJVBStrF1.Hn6m_mtWG1IBOc.npeZ6fqCmV4vBcrIiEvzd_tQFKdUSnA0CXIrkz_445xXk0CKTHiKb97Z5tuV3uh1UUPQn3NdGH9yzf6yCkQaJ1VY7XyoEzIxKZWywmwsCdVlk5oBI_RggGCFd4woWTGBkPLmDTcvZ6f5KCzRjgnHa_ITJtCt5N8Qu6BYVIdu7h4JNFmr4owwOSjVnUk3hTUZHxT5MeP4BrQZt09Y_wmEy8SUCx8aziKaYD1T6WSW9acWDh1nldvZvp1bmlhlpwKr3QHvKYQwnVj1J1C0FhBbGflxsdGUyXBym_3q86MmyESrS1qHQvQSOrV6z5cFlJ8N0qU2RD1YdbP1Mku4DMun4QaufDyokqDecvw1x7VNtPGiHc_cdCfnreS3ql.d5YrPLgqvOsmzK87Tvxnlcr3DzSCmJUqiiQprjmoEKJcdu8t6UXSljqFoCIYQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f41dfaaccf9c3c';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\/3960487251?__cf_chl_rt_tk=jPjXjx171eHUn745AXXru6pip6gf.iKdoi5ssU4pldg-1739106810-1.0.1.1-t8i8sa9VdfTZn8KYXVLDmrZPnpQBfAoiLKtlErWj07o" + 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