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-aff4c4vwb.mit-edu.top/post/4593172806

  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-aff4c4vwb.mit-edu.top",cType: 'managed',cRay: '9112c332f9b1c93f',cH: 'og8JN_x59EzKkc.E9AO3G_m5_7SChELSOY0asuqjPmA-1739428150-1.2.1.1-sJ3veeN5CuYFTfv3Z.tGRVAiTDz.DBXpxsWXg1xdUEAqL2X3YbABoyfzxXIoqSSM',cUPMDTk: "\/post\/4593172806?__cf_chl_tk=gW_zz3wMfyuPN7.Q_.d74fPsTBvHyfNnBjdhKJXNAjk-1739428150-1.0.1.1-rxDsvv0HKsB1o2IZLW3npAoscdi1O3prFdZSt3OWdEM",cFPWv: 'b',cITimeS: '1739428150',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4593172806?__cf_chl_f_tk=gW_zz3wMfyuPN7.Q_.d74fPsTBvHyfNnBjdhKJXNAjk-1739428150-1.0.1.1-rxDsvv0HKsB1o2IZLW3npAoscdi1O3prFdZSt3OWdEM",md: "_sS67VSq_JOS7ROsr8KE77B8kDrUwKnnrCx34n89xpQ-1739428150-1.2.1.1-bxnIPt1u4Q1SRg51GfV3Do.aFIgnx2uIeoi0y6wYYiVGLNXmvoB9sw1uUGqQCrCwJH0YwDLPjdSr6XAGilCYzDlOdriYl2acgSjGuhVZ1Iw59S4ZJxO_TbnweAL9yQA_YKZlcHeArrAfKBjuVSJ2Z6tmv3AYrEUDYG4Arc83ZqEvR7NFbBbZfBLFps_l7p5N3EhGN_hSIUC.aIY6DAPw0sf3s_i2appER2DBBsI7NS8nfQNUUNHSQLRmM4t725fbccD72lTs3j3BzMmNe4DBBWG_p2LdwwlvjLfAsFheXcnn.5dqMqpgCSj8pxv2ltREEYan891b8P1O1DVMcGfBMVFee0l9f0aIQvh0YbwaHHyzAwyepnHUVcsvXuX9TC5XOnlGdtiXGb5SdaktRqu0qRGUZYRYIukY91Ew5JXAzB6eZm6MzVVeVYA09gV2F0_A3odeNq3zNFM5B4AULFoOFKqHY9j.8rbF6c4JjHLz3ZQVlownYMYlwpwlCeWq8OligYpy3PEOJpdsDsL9jHe5nqiEwqNxxOLMajrL9cCCZcx5Pq4W73KcjxTSLVxdpR7Vp9Ionq1HCn3bWRkaxZiVcgMhxIe9QM1ANMLg6C692wMzDAszIFq96oLL18yKCKKwFPQssvUmS88K_ri8K6wWei_g1lCqK2_fCefSgBxiIpKVuxE8tWnTC8nXZY3eF1W2_jrnYxCYjwtS_RUGS9ozIvNPZpXWbsHFV.DODS.LSoNEA_qLE2moPZ5bQdLeMZ.dY9Npqi9po0Gcqzz5RtAXhvbC2lJqr7ZbFTfYoIWKUuaobcSfPMn1g7o.TN9pmtzC.be9DcnyVJsbzSgX76FkfGpGRdOzkbjIAP8Y44DcyBU_cLohev6qfMyiVt0wJAgSYPGA00xQ12dpQnvuK.7ahbE.SfsuX5FL3ElJ7Q6617R74IYi.ODrbhvBcY6v55bHVtjG3WC_PieLN9hcU9fvLy2Ba884AAkQwIzpwY5cy8TbQuylkBXiebaxSo68BvijLhvVquVlnMhf45UNKcYWzAqmPW3I0JAVHQ_AekSF2hdwGPj7isaYuzyLvuDcTrBJV6v7j7aPLEw95vY5AXbSSFR027pSVehGaRCrw.VlMUjqPiC5RE2bKlueOH9EcCQsb7X2dACgh_sXtkom4foPgEoKODUWzQFcPXjZn2_7ylRMiOb4rDbpYMyCDbNzTZhAsYNqvewjDOqwPbttH4401.uq54v7dBkLzNln4BOTJBdoZEc9E0OceZ1P.wNxoie7q59.4cd5mGu1TrAzUgmM627o1fBucprlumQi0VHXTQQmUu.qcfPzC6yi1KRrEenKSXxGS0Pv.wpp4DMsQei_i1A9LzKDUxUP0njNEazWqbkjBsS1p58aQdKXXWu5e.bSpAe5Z4ZgWcnIbghHCde6mxIgeB_TMYeU5RSkX.3_wggbut.TTQEmPnXy2FL7ojSuzhlfFUpAWkaOYPr1lu_YOzAyhC6jQDrkn6MtXuU0kRq8zPkXnC.2.c92FDEDxYN4ECixlN4HfVmzgXo5vBmj5PvSPUocOFOFjKDukDIpSkkKCdkEyesc5LUoF73w.A4TAoVzmb6TgJIVMbu8GqM1t9ReHMjzHsAun5TbTJhuFPVs1Blq7J0a2GkQ6aWGInRUnd4yUlr0raei66oODt8CviunZWi1Kb9xxM8xnckgDi1.h5.btP09e30MCDrXRsQQ8cRr1.Ra2dsLV5v5yqeNatY0s9BIWKVo8.bdFskG6uV9lggRnYj6XLjh5kY_AhGqRL3M0A82Aem0JhpZVBk.9imIrKgZdPJ8oD9hZbOzSNU9M732LhjEGzvlcJUii_szosLV.1LVjeRcjCHQKWD074q0g47_2YkVZ1jZPOZrlzRijvfuO28yzG0QUwa6UKBhr4buFzzzsFU6wJisam2kM2LojUcdyPUwIHQcJyBp.vNW5xLTlRLIMPPimAmY0Wkb1aUGyB99j87CUghLtdgDaHoVQ7.4_dUNXEFrnF8l1U7fl3pTLwcW1TSgjX38IYNR7SZbZDhIPz.d..pVwt_dlXBpCvD1z1MBC6wiyd0A20qtEsIFV.MUQj5y_tdTzCvzePy82ET8OIApGNlxqBfZZEXyiGSuNXrhoE3nTiVyIuwmG5AoYCdIdi1RapFUxoTg7_HpOxGWt_CRZaT9ruwEvRklDaaJ40nMQHsDNdZFUCbwWO8Lxuc.QOUHHdIL5c4n",mdrd: "AzsBVxh2hW2myzBY8hGwvb9c3pK77tLEjexvrq61Qew-1739428150-1.2.1.1-B8tLnfRd3ysqmrtq1opZFQZnnORQ_mpoVdEI89TzMGAhYYBc75klmoWBN17KSAXvfIviFsYVwjjnDehf39x6.shfRglQEB.RHGlloHcP2OUhkwo92UxZexWTIDeFlpaq_X3mFwU0udxx3FiwJWSsB6uhscS_7he8.cyBR1dv8IfQWKwXqSvKqW9B7TtJi3zJiLQ4beepIo2XIvA8OLjoTa0mEsaRV9R_Ptc7hVHgWX.vlhMqh_1J6Jw0pFyoDuiPBEYAu4dpKuXWWRRZ_zLA4AnzMEsRaYgpGCIEP60ecExgwfY.xfhTXYVqiPn_jv1jYjUrw20bpgdjxw.4b608RGv7piLnjL8o6eANzttc6bY.C_7UpgR_ZFd5YJj6WhoDVA9F0._ydz8orJ_uaOkQBo857CNvArKW9NY99LHJI_raeTspOz907novazGZgkwsG4mTYull6i0m5Q4UnpB_znjkbPTAPrz6vhSRaX5.vHoqg2.FmYCCEib4bzzUsajsWqzQYERLc_QbDNoZhZJw4POBUHf1OtDbyazEkgzJZPehIXgOQ5_gNG4tG9ccN1goLpVzwCbQkG0hJeEJjEv.FsxBLI2W09B8OmuOPpTdXvytjgIkX_ST62FgxPWpX2blIZtTvjvS68AvtXDngQUJvCLWsUoamkRv57LWj8Fxr3N6GGKosYa1svoSQDYxpWWqcYtI6ZO6OrccWYZYf6eJIfakTELdqmEa85rZ5PZ_kmzNM85_birtI9YN2p0fVUOUQtfT3RFhE5UwKEnLHwqlkSRPpjNkTTz_jnU5DpKf3jo27R6_ZCT7Z7lFRlLjuO0cN5_ZJAxNpKVOTvZMbO3QGFNfYgYnvLfo3Q1rr5ni6ss0voX7XR6MZ8EAo2MiTxv7f7KYKrzYhdSsXpFCPapzYzOg71BF06O7YpxBR3T9htE6dTf6CFfF7wFDnmOgCLmnZTMKzqP5eKvnhf8Sr7WU2.m2mVODrG1girx2_oBi_WAUtXLbXgrAi9HzWgyOum336P7Zm3i_zJXKC1mTCeQ.9fB_ye42ahhRpO8KmGuLBVGC3wgHUJQiVOmr45ZAuyNdx6j9SNKI6HRHZsd_s1TW4MmeWk9GvRABMcN7jSnvi8fwJTqiI3fz3lbhpLyY8jqPIE.TeoYLkeuKt7qiZwDStLHpbFPNwMqUeOl2sHTbCvIVYlVriw317SkCo2RUzisZnFkKB_lMdv6QP4P_c69_s2AcQbqYVUl1Feoy.H1YFEyyqAHpe0CaeEj01Q19yfqsfoH_CDgchXK7B5f3jsSG6Sz_H47L224ihzIq9okeX2YGYEMudBwVgcfkskHRPjfJf4WPOtaj9t0CRywj4FKOH97dULJwMEdDcD2Yo2Sl0JFtwWId5P.Af9v325GaU.mIKyEPe.juHgv0stfAL4jebks.7oHWlgJR95HLPthzCmDiFGAkLi2ks1y17MiGfNJGbFdx0YHkp9ikZrvoT0M6Qdx5nzS6zfLo8Jn8NzAyBQEFyCsoWpHFJMUfk44agMvnu5lidWHfQBAoH.iHIoe73R353FWeQxdcdeQ.xeHzDg56d15TTtptA_kcPe_o7ha6TxH_eSJ3YUa1orl.VUJgoMw5hQmJ8tIztfOuOoFN1f0DBO_bcTIxzKaE3L13kPQIrJdzsK3s9SE54JdV3fp4C.e2_QnjTL4QKqXtp6d3blLVO3M.x2MFehFNK9I96A7.8tT1TyIbBxIuATYoAELfkpqXc3kdBqv1dk56HSdNDFyGnhhlN1aeCLw9DJ9uIA6QAxLHmuYNCic3UJjifVIdN0Mbv9kYPLMa7rZ3WViJabg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112c332f9b1c93f';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\/4593172806?__cf_chl_rt_tk=gW_zz3wMfyuPN7.Q_.d74fPsTBvHyfNnBjdhKJXNAjk-1739428150-1.0.1.1-rxDsvv0HKsB1o2IZLW3npAoscdi1O3prFdZSt3OWdEM" + 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