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-439720411489.mit-edu.top/post/8634170529

  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-439720411489.mit-edu.top",cType: 'managed',cRay: '90f61803d906c9af',cH: 'Vsrt7tin8R9ck6vZIeOmQmGYIfJKiGubnT5kJ7Mdu4Q-1739127537-1.2.1.1-zjXclczyscZ6jHR9I2Paab9BAoMgxZWlAxu0BUHa9LtqvpJ7smpTiErMoYgtRqUH',cUPMDTk: "\/post\/8634170529?__cf_chl_tk=nZ0hMggzruea.gLnaWTxsaAtMUe.azRw4SSPuVRhKaw-1739127537-1.0.1.1-5Wn4_dfEK2ZGCpjDXh0VTl65K8WGGOz6w3cUC1XhfOo",cFPWv: 'g',cITimeS: '1739127537',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8634170529?__cf_chl_f_tk=nZ0hMggzruea.gLnaWTxsaAtMUe.azRw4SSPuVRhKaw-1739127537-1.0.1.1-5Wn4_dfEK2ZGCpjDXh0VTl65K8WGGOz6w3cUC1XhfOo",md: "aDSDYLDPicLK7meKuoHST2JC62rqMZNfmWGe9ob0tyI-1739127537-1.2.1.1-OT505WGwcgQf0.J8Mju2AZkup30ZNaX3QA6taYnXeC6zIoDyA457uPorekNj.j79R.QKcID_h9gsWMlYLvAnGVqowK68Pe0SplajiejDX.laQC6kSs4JDKo8OH8jcWzQp30Z.8R8sqzacg31GTMeEMY2blRy9Ezha_XLs6JriP.D80xl7kzt0_5B3aNpP_ErxARJzAMgskZA9jZdhGZPVAwcHg5bjxfs6S.g82VF28ucH9Lr321fTf5hg05TyRkj.EJxtsnF4z.PIvhbgyOfwiv7ZSk2mKz6KONHxesoqP98Cvz9doPIi84hw9Rc9yYO.aYwQsSbh8p7QejrDv9MBcRMjqWa9_CMlfuIFVENw7FuDOCGoUVEvYPRe4bBS0R03WYPa8QWUj2w8sJr3Ppj3r4Ao4h67r4Y3VwUlVFZ9xVjSydNL4UWcFhYF2xJD8VNcrAQUqN5D9WQYS9NqiXjDgOyOmVS8cyjLVXaagreemeVaxGe6vPkH.leNswnNuGIzpJ1LrtiPEoNUjIDoj9VUwSqj31fwzGCeoe5pPdwDd3hgv_BRU7EPcWEnCbyrGPHFMk29sjphnvjg8wNoNOoaZXePGRbv7jogAFDYTvvb8UrsWTPblKW7926AISvio.ZwGdyyoHfHDScOhNahvl3saecfmMrsd4RhqZ10DMyDw_3lcvSem5dUw.pc_T3ONt_NyWYMJEPOHfF_IWz3uOX4mv5D9KaoPzej2OAd2tVwlO3q6a1fovA1pPaUh8myABwRtPa9QVLQv4h.1tL3jzEYI9jqjHvPNkiSOXErJ_nYfIYh2maNg_9RFJ6uvkufsiiIDLQjiGZmjo33Bt_Ci5aDwJK20zhwJeAjXK_uxIm2c0drTh.Lta1DM0NFrHmJGQJmsVcduZvQrbduw7xOVg2bxcaJ.kpwHB3KhaQFWYHCYy7ObOk3FhrliM9hH9qoJiPwIdD8Y9mfxj58JsyhvEtuZstMvJaOZHXXWRWmJ5i11VAfo_724TA0CKUk_8luUkySvNXXQO5pgURN7AqOSHQ5dosDYeGIDXsNyC68uET7nmnpIVNZNvfQD5PUD36PApOTKWlLn6v9J8syRWRKx6nbEgTZ4ZxUYPiM9u_3X5WhghfqMDPTiVCqzG75kkluh0id.8T_b4FpVZhXOXhFIzE7TtfJ4bwruurgrKFFdsMNSPHaXM8p9bX.t5gw2tTWjDjFgGqYh5ntcb.MHalJKotz2MPoLsfatgNI8XiIwLMOw7q_tt0eZ.WMxDYTsubz9JQFq0SQx7DPgucn_jig9pm2au4Xv0UvzMWI7FScP365p3Nj_hESmSjKlOwWrz8Mv18.OYqNDVNI1C1ALA0TMTMV4mlIqhmFGJueRXjBKTy66W816qtAB9hYs58jHB6wdpO3M_X0Ba3BDhhJrTI9h4TMBUVI18j9bNIoHaMt211BfQtMCNfXYbhjXYXc75icy4vflI2S0U5Ra0lfBkOVLITwe2vxfDbul0BKaaULQpM_kI6LZP22lkqbAi2iNouHhGZvJ3uUMs1t51oFC3OlSRGdu0AGdXqp9aZ0aU.Z4NCursGP9k_IMLMleQCc5c6Hq8js5NRiAFIoRPbUogrhz4TnCmLCmoOiwd9_1ZHF0dz8D5IGZV.QwOps0TEi_I8oZLidPtaboaTmT4iMjGRJLwr.LoFV8zx8mlpDGgaY2nsvXpCX.egTcXdzoCdMsxa3D.IEN3ULmTKnxXNW3Rk6JpssECfXFqUTdy.W2tSv_q48esRdM6KNwAKuN2BnxcHBrRL5dPs3ooMWcpn3B0GmLFXXxDdVOtfO80U6h8vzXEkY.tICrARaxCBnT56Etdil1f7NLHBsJaF6uQF0wdx3ub6URSzVW9BKrpD36tNhkLstSyqgdVStiDXHQTKLBZajr6gc_px8XGZ73PQKL3EwFmUEKTzAGxCfYpR3povRWsx5l4Ie_w1EhzEXC0JxI2Kq.20y28rusaf4Wzjz5CD7IGGl9UQOiIrncv2lbDagPBtgYtNQuahVpZqcWYyuDzcE6PTDSbNtw4anyj3H7XGa.QtlNUg4.rJSeim.glIHOaUTQNMc4K_ydXPmFYN1LARuHXhVK0HTKP2Tn8R0w.WR3zW3IKw7_dqrIY1uXOm1ThXc5EycQsp_A8fqKMEa6gePKlVHhlVuFkk8y6hrNHshwBUNO7zr9CdYKpsAWORqlNqLeU7vviGkd7vSfPLzx5S2ldZ",mdrd: "0yLWZ36RbUux_yjGBOgp4FPtQxr9DJMZlqZS7cWFLbQ-1739127537-1.2.1.1-7ZI5AHWGvDXC8s3Egmscph29gCBfc3XAKFAvLYtqFV7wvNizVwklL7AdsZ1SDyWnseNlJbaOrQSFL7fYVL8DaHe5gkFj165DMav3b6GvKdvRSTvxJ_vYTSPo2Ufh6g_eAacNIEq6.ghra0L0Ne2EFZip4vgw6io1y9AgvwKaDKTndxBeKhuxZhqFXL9uj.jjwDq4jsZloju_Gg7_vWlmsDZGfkJCimlhd60wjZ7O26SifxYRD161Ja7h36_Iy9najTdhLK_8YZpKF42LUrUidmneDyLzPRviSgCs3PQJmX3S8ERr7ZzRjEwncNjz3wiH6HxinUOWGgeu.08.3glKNOIrJipAYUxCuxmFze6jBrR4sywU2qvzLAUe2gMwIZ.AiIB4SUGQ8M2_wmNXMek4j4nyEVqvTNdxPNlDOzJiQ3Dxw4U_wvjdBQBmd9kEtUrdEWjQTMV9C3bPqYSNuxxbV57IpdTo8Agf79lyGp6qmjCqOnLeBrwu8.4MfSfuL7A6SH53uyI.6VV7MU2DeUhyZ6i.b0Z0SAM8MzVxO4.SHuyd6om3.N7Dy0VG1b2v_gzrhOblyHArU3icDI2V7wlehwsSdGK5pCotMBNtJ7JzW_B7ua61jByCxJj8WBwJ4ISWxIS_fUKjhGLrAYggCsP.S3hnNUoJYEaHWSIboZSfMXOqVHaWmASvt5AtAvIWbHWmOtZ9RlmtmSqtSTcj6rqrrHL4iWcuShZIsPWAec9l7wBsnVguzDKEAJSr5WjWV0Hbb171IaoJgp5JqhP54jXZwZf010S3_vDlTvv4XYWhDVgMI_XY6FaKje1VNAJaveQy3D93k7VSz5iJ.Q2Zi8mVIpfIdS6hnWncyl1z7V9cDUIlnFkpzRsDrGnzAo6hkkcVe0QrAvzUt0VgztRj9uq36Dly5fWb3zu9eDgpQEuSDljqQIPABvubX7agfVBFghm1gy26slzlLHAghP_hFQJiH2LKXRukjovwAHEAjO3g6nUuRe92nmkF_xkWdn2zzX6x9SrWEmrw_Y7OcCrCzQnisDDQf4.5Un9MFM3IjxbqvRJRFCulxKwAkYlIajUe213FZ8JwnSRV4qs6Iwue1_KvZsdHYyYvgxKCgSD8tihy.hQp3nXD3f_QLzfZYLtVjDJvenNENttKmbuQlC4JWwiAw.ygsQa6Gd1WprDq157U0Uoobz.3OONRwvkOc_yRFLRJ7UxXGkv1DK3184BYEs2pL5SO2fZR6TDVri6f5eXaEIvfUIfkQKRr9U3F3dPJhuCb3jjO1YHvf9drgpD9mvudxlvsuIqAMYaT0mK3pZTZAqoEx7vkJZnUO8sVyHbW0birBl_vMpC6mRxnHwpdTohU4uyYu2FovFoIjCfgWpRga369BC_EidmkIoHSe9M32pgBsYiw0u128mVdjFlejcVF3sFZDWjM12fH_5Xd1HvWBl2RWgSUkP0Ao8EvEHsqHbRjF2XXkDKXuPZGUEutb2APxsmP0xK_.uQy65EL6i1dWHxLRZBf5JC9f01XYB09_ZpXbDUXGBxcTQVuzJC5LddMSxBE57Z7QfTLlBqrrQ5Skib_eQo5WUOx706TYp4J_iilGf3FU6J9roL8XkoLKGybPwPUf5gjkQ83V_WeiathttSpK5QyFS1WWQycida_OrmLyG3AMJ8.bkoWe3hkZ76szZfw8C1OKwyQVzIoZaFxxMVOceetEMYvsNQO.plUNRUCDJsp7QQngcsQmQennl_1wMNkcQvp52Fl0eggDrTN6_68LhYMl0WwJv9sxLe3sVgjJ8ulBCwbDAQZmo7G7EyCBuv.k.JagxEBp_jjd.d38iY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61803d906c9af';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\/8634170529?__cf_chl_rt_tk=nZ0hMggzruea.gLnaWTxsaAtMUe.azRw4SSPuVRhKaw-1739127537-1.0.1.1-5Wn4_dfEK2ZGCpjDXh0VTl65K8WGGOz6w3cUC1XhfOo" + 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