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-457566365804.mit-edu.top/post/0517493682

  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-457566365804.mit-edu.top",cType: 'managed',cRay: '90f3668b3c06e5e4',cH: '5k3LNaeEeaPG.f9jdHUF6sg4KcWhzdxZsAavRxzcCf4-1739099296-1.2.1.1-Qq9d4Nt4NXXC4lw8ZEk7KOuForCWKDQ.iDGb5zhySmV3BH0KqRG9bzsCugcZ5fDH',cUPMDTk: "\/post\/0517493682?__cf_chl_tk=wUCoeJjqXowxSop4G6NMO1DfjZwgn34B.apeMgaVxC8-1739099296-1.0.1.1-OVZ6ao.XmPTTj.nhQwQOfVzdhRrQpZIneGbZkonoNVg",cFPWv: 'g',cITimeS: '1739099296',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0517493682?__cf_chl_f_tk=wUCoeJjqXowxSop4G6NMO1DfjZwgn34B.apeMgaVxC8-1739099296-1.0.1.1-OVZ6ao.XmPTTj.nhQwQOfVzdhRrQpZIneGbZkonoNVg",md: "pt.VtTN1Tv78snclka1.dpObgNF8oNXdDaw83OKF7I8-1739099296-1.2.1.1-jVfj_485nppr.dP1nP4nPxPyGhyVgplZg9kGck5SCk6X0fMQVZ5Zcw_BDKSUCwXwruRAgRmVK2ZxyNRZMiywdANooQl4bZxIiwr9kDWX1kVTkPZNmAQjQN1p1ItB5CH.09PKl9Sfoh7aheoUU8nYcKy4lCb1zT5teh1a_M1OEvuKw_RHGi7EdIAK_O_JfyL.lFVAVloD_rO.1OhqL5E_bGuTGrE.60J0AcuWxtxx79rkSjSyH2Jc.ZfyAFwwsqAK6gDgL_ClvhCR_mCA1FtJUErovzujazuzSQ1HXpbyXKW..RJ794M4Za0z2L7CY8ylOt_ThkYhLRb44lHfj8kjzDR0XtB2m2fqYk5Rnf2zCJddgo5beJ_SOAWYFQHTDs4BQZW0n60wRywyceIpFqMGxnLxkJ2wA8WWVLsJBtOfm0d8Nf9dkCA0eF9ypfIyfnZoomO0oHebiqj2f384z79q6gm74IuvfajqWt2B15_dvEoNvCnuSxt75.TOfRCNCv8HTCRiJ8pb9e9IDQ1XJoiH4kVM9.oUzHk2wj_c7VNX5bNGWcGyscao9TI8bNwLQF9lxau3CjBHvOQbPA7Cmyx5ZlOS314Uesa.x67YdoO3EncVHZejqxmgc36hPIX1YOafHgO67CXQ6M_Dk0duBO5h6SFl5JTJLYjcAACPcwWOrAmkvm3ABBH6GmPjA0DT6RuvZwdBL4jtlBDRVQ63YMFHbZrNd1AOG0Ew9Lf6bgtwyt0y.Re6cCme79tLnDXTyiKPIKkkX7jI1lcSjolSJcO6mzeIGXvOO20XpRbO77nr2CAKGNh5g7pNlFSJe8puVJ6RkjgVNlMSnI9mXcRBy3Tn9MYqB6n_ckrGqQcmLn.kP9YZFltDVZojhMastcVheIlkIlIlDQVWOF4adMEBGCaWlxszxD_5zF1vlCP4_896.UVREogijrNvvWNDJavCje9MgU0hKiVbq.ZD4BaXfEBHSneMcrLoTEdXHTnRr54giaY5IEpTPh57oJQqtSqx_vFvXuQrY9RDF6bklBdJtnxBVxqgp0wDnfdOe.l9Jgbt3k1bM44.cOolEgAMA3M_dYotKZAg.yOzY1pEs2gz.TE5WppdksqogUkwonrwal77Iu17lgPmCOs4.XUNf41U1wfxGrD2kRhYgJ9WWMTTM.l7LhUPlNUtTwb3Vpi_z4Env_eAOSiGU2rfug5YA4CbphKYVP3aiglCrM1ocF9DVrisfWWI6AmNIN4Hg2NiDfQua43E5X_QgNxOCPrjlWlwiUyMQAazUuk3t2Qg8slpUW_AGOoiogpCDT.6aj4qZ.ydXIRrtuMmn6M9w0I6g7YC.k8adUQ4nlnT9KsRC_EKSAWBdL6IMZKtriQgG1Z4tb9fBjR0273AbrWcPVsZs0Aj_n3TFlOulvUVc1kat8EwVng1xAguw2jKxNE2n_Ngqr_GWmMnwwl14g4H69359wh.6uQLgCk68jJxdM_HsQRKHbb8tHTorfFoxphymkN9ssbvRe_fn9daZqo38eyM5Gz0qxpOBSELCtFLa_Xb2KpZ6dUpz8lGj6D4cV2nVY.i8A_xJnXElqrrFtcMhKec7BfxJ_0zb6L91SQIT4_i07zpnOt4RNWMtOkEicUIsStdrJOyczcUxCRZmeLOAnD2aj09ZSt4Sq9iAuH7KqNcFTbWTcM7.EevdEBdroIZxCKP2qO51bPFn4EYuFgSSrvxawKMHUa18jGYapPxY2FUOSwgezWPKhx2K7K.cxkbgh4Anedy1IZF6G.Tpl.0YTkEQWmxvvpK7yE9vPVc0QiYfKmTUyxlzt5BJFD9rWIK655B_A3gBZ8kMOYOtulKg2zyx9YiPDxsbAP.PQ.HEkiMr_Jb2doLkZOTU7AMsb4PXq2PrJiLcvMSWk_o_XyZ.sLMfefzSVTkUF0JZKkcc62.IshR5HUk0VcpK37tVAzVoU1UF.rwAY.fxik21BLhokNO9obUTm72MDbfZb9Z5cu3H8VZIwFbprc7S4aP7lHzeo7WgmivI70mzmEzfzUVXDCrqKV2_mAHkvMUOLmOY3SClfs.6jVt2jR5FUi5ovTwNeHFsT3dfAiAREtLWJtxdDzQNMgBv2WSqwNSlrEFXGDd7as2m2lb56FJflmZR1u5CFWEAmITEbhcze9kwaHYnzyChLUIDkgz9.hTL_VYCyuR8IulC.xND1RvF81z5dKsBWUW_XNSqTp3.xmYErxU0Q22Qzk0uSCZ",mdrd: "C_PdAcnYMV6cbidoMRIVo7Vhsbps1ZzUmzSXUE1XOjc-1739099296-1.2.1.1-2Jr18E3DN6wT9mAnGaBgTVoeMU7GwGdEtQ6yOtbN2MhHcJo8m6_c3MQqz7LU3QE8Pf0a3hTlxGnZAlF3c9uGRBh60ougTj3O4Y7cxpvBKvRyAdkxaASTlDXKU0LJzQ7wm2mLw3H0Bt6WPfiY3umjKSgOt2t_2GyzXl.pyggQdeRsPmLKGjEJwG5AI5MGisH7UkK1xCe_7vVvKMuiouJXaZI8_ogPlLkKxRSk5AVhHoyG6hRPpffIB7JgnYhYc5Wl88dN7zictfwlnF4tixGb6DXg8SMYiDpXI9BpdExwWIv1zh_2dKuo1hRWidRwJhTzzibAowfRSD1P_TAPb.QVgz.sOQVFAoNpZ_7AgAVk4RVyKxyLkMAoRS_LJnb1rD1O5opGhQ6QszH3DyzhmvFNAMrwzP_AvWU8xsCq_evvLQInPM0RglHBbQEf.CT2ULxWRvY01__QB7c7SbfbAujLm0m_ip82gCSjE9aoFUGBsAY_vj9VfWnYwu9cVGUhyfBNdzh4OkyrRPK.FhRsTLIYy4BaK6xq9S_Yqv1zeDwrMYBW096cHyLPNgS0HQ249AoYMmfAfRCaGjEbQAzWGlCkEqXC.puQP9XA1MOZEfOh8g9AsfsEpFiXk86aCjJl0RRurIZ9Kjizm3kpzzJm2d53Y3uUfvENExyed9KY9JpsDHusCIhxylzAlwquN6UVZ5DTcyIf991GUhNpJrvH3XQZipUuFYoQCK8XZAhkKx4JmvIxocPnYXVgQqOBS7G6ppEqNEOOcqcbd5HDL0mFNhhitkNBzggzWl26b9hl8XP9w.liA5RZ5GxosfTi5KX_Of7KIAjfMxS04U9Gjsg8.S77bDFbepH4MemAn9lHGNSvKshAjJQ5p8BNU9EvVXDH3muOhU_Bi59D4UQweUecBQLsQhQF.CjGDfPIR.gC4udyhl.xPlA8EA4T_BbxYffWewFYaP5tE.J3Wyzy9cWgjZBq0QOE2MwiSoQ8LU7KlyZJYsgl9WH3wEA5Xs4mz.bV9GoHnXjrKcbUtJ6N.tz7a8p8VHkGmlXZ6_VrLL_5xq0.glF_FB0Qa8Qjj8qdgvmtkP1QvRSXJy_ObnatA0KD4j._LXMGuYy_5FcyRvywydEzDdggW_AyHRa_u9NyEdBpYPeg8nU1prpDasE6ACWPIk63iHCxkgtoaIzMO5O2y_u3lQyNqOspoykpLGnncoBlNWH4FVm_t.UqvT_o8nKi7iVm8zJzzORC3mH3ks4aOnOdkDcprbIW2_iPnDKN6nyPQl1VFmnMIwTOCSGm.RVnqE7fTAjHJTAhuRttqQDQC7k9cO5pdv3JhzyB1nnYUwy6WcqIyiAPWrpEO7bYeeiqA9B6OV1chbexUYje9peIDAhTR1cmrREI.3ZW_neU1cMBUAcIx_xwiyy8rkfS72IWjVdiyLGwHI_4cO71oSDEub4_gB37pgzSsL6m8HfN3yHSYpO6OtYZU8tXu81xyOjAsFZkojMNCY7G1TKv9q0Gm3qQ2wD1I5Gtu40k1D0.xNJtdmQtQwDWKEhJmKNA_qxt3sQO0cg75D4lV5C8KWTsF5h7iSkBpDePzLn0vW3wnldEpUR3QgbavsqQkSIdU1Xyg0Hl9uGu9TnQkN8OpNlPkz_bBXuoL6eBoYFeaQsoxMJAf8aVxCvaJo6V_ldNbAYE2Sq3KLHPJD8ZAfW0PiZpns8Fl9CIdutRQFbhc.4pkCETNnpXfQzObfYTnrPeiUoRafytNaO_O.RKWUskIpjpIaBRctDB2Z051s2h8scpq1jaA5hmaVqlLO1ZxUgKDZZtxcVl4lzqiO3ek3nKUvjCyZY8nqk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3668b3c06e5e4';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\/0517493682?__cf_chl_rt_tk=wUCoeJjqXowxSop4G6NMO1DfjZwgn34B.apeMgaVxC8-1739099296-1.0.1.1-OVZ6ao.XmPTTj.nhQwQOfVzdhRrQpZIneGbZkonoNVg" + 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