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-334852910324.mit-edu.top/post/1426358970

  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-334852910324.mit-edu.top",cType: 'managed',cRay: '91103be23888d6cc',cH: 'jese8rEtAthqjPgLjTqNZiE4lx4JxR5yK8pdYBzPVPc-1739401636-1.2.1.1-QuDOau.u5sG7fvMt3r2Fnzw026EL1wGzQq6rYHXAB1Jjip0bbTrzfm_r.R2LZebs',cUPMDTk: "\/post\/1426358970?__cf_chl_tk=jeYDLLYhHVZbVVLNu7Tlm4P_20FNYYh5Nxz5q9aIa2g-1739401636-1.0.1.1-7Nz.Ck8Tag6rSqsrOrDCvz3GCDw965CLVakHbLTjvIU",cFPWv: 'b',cITimeS: '1739401636',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1426358970?__cf_chl_f_tk=jeYDLLYhHVZbVVLNu7Tlm4P_20FNYYh5Nxz5q9aIa2g-1739401636-1.0.1.1-7Nz.Ck8Tag6rSqsrOrDCvz3GCDw965CLVakHbLTjvIU",md: "6iNA_Pfzy4TZKwC94HypCO2rCjMrZad5LZCYED9q0Ac-1739401636-1.2.1.1-DHwqvVZi4Tftn0i74CL9lUaopw08SUmo1MIzMxasDc6PDv.Z2G1FAfFcjYZPU7Tz0e5v3ssplmKxQNE6r38TaR9ErIfXsIi_RhpRs3zZpJ1J4NsPw2VimRskYgMhHFAzgmjBJVA_3iEL1CXeiaMogJCsYVzcy6jJLXIVK8PTr2R.pXf0dsleQiSS6DqIP87slC_0EMzaU8TeKq6nuHIZtzoq55ST3TURAN5v8ihcdLpw73.7_1VoT4yzFprZwnOVA3PGvmEtWrY1B4nfNSB8jYzXxkhSZ7F9nk98KxLqJRWsuSvP5QARINIuRS4s62kVHc9sr5jcHPmvO024op1d5otjvWvqNZFIZHZJNhL_63S_mp7THo71vIDWUcGnGA73WFnPfF8yjcWMscXCD4byOG8TY0fKKJzPWrC2.pNJ1RphNpv9DZP1vH4PgEIWRGdqhDCHyKnhvzpjws2DvR_5FCxuT9cFf3nEvKPss8MCyXKyxZ7udPm61vxDdS0JDW22ErqhCchd7EbfQnCsI91416hxybWybiLkoVmmrBeuWD34mh1zsMFPzuQ7d8sokteT26Gm6guAPw7B7t2URIhqh2VXr249BjdKrsXGXojj__krgT5pARGA2mX9E2xN2bS7pbnY0lAyAdYtzddiIO3HTcygtoERYewbcDjAK75PMsWhGOxSorZ7XkNbFeXemN_MJ6XGD0oW6IF_rP62VQLfxKkPtCF3d1QzlvLt34nzqA.1KuQH6rtB.xSi9F2OMscomCHvvtTC9kj.JOdykpjtxO3keivwgYT86ZFjEjbzK23vWLP6Ax4nbXvUjHpaC4lrG5cXAYNB_L4ZMp.j3BIYr63HMYZyJ2Ai7vl9VhkM7DSbWEAYCHu8vQbGmTrFouXJIA_vu3jkqzAUGpMlZ1iNydCICDs9kG13dm3hJcLiXLI.p7Wz8JFtPJhVYK1uQMvjypN_.41uJa82MEYmXR3y78huMezlSwLmguEOQ09rWi5v5fNwwbMb7AdkglXP0v0yGrbCv3_20vlvv3hsW85UuwTJzuEFGbtSaN5ugP.TH6RIK_Xi0tGHWKgEDCg_jFIeY5uSnSXNolc6yb0ymp_c_rPX1gkEyYPsukEDJTSpEa7oFs2_PKzHb.7_ogUP_PIlgtD4PqaZlrxFZMWcNgLyRZf9At6L2YkGVvArVSVr8RoU3yPlZSx34nPj99haNbNalvrJmyGJV_83TjxMusUoPgKJLLPjRtAuRzisnf1RFDw8xwWE6xcPftvyMq8m_M_sRAgG0PwSTDefQ0T2fpw9HQLwZMzMt2nw_RXJ2RVBptTQ.BcWEsILMIu6vDHD1zXK_fKmu8oSEo7lC1CfFb22IUkmbcdxyo.UH.CAqhx3tPyzgK7On8YyLdn82V4H0koTnbBOFureGDSyCUj52czD.n3Q7NvcaDtoGxVDDaiXIVUulVDG5RT5wJrrRmXc3duRCS_arcxsjmmNK2zaynT.iK0kh9bX4MJpfyQWNilt_.0t.lFDna8EZmt8wosKR15OOPE7AJ1YXo_UiK1NkqJ2x2JIpxjS9E2QCbOaSk15L5APUjXhMHsZErqTKw8T8FlFNABMwrxWLOkXSJKGzRYjOC_5TXvuYHo7J4MxpLMLKAqK9vLlTuuiX0IeP13kqzDqTcAd1FIQIfNR8M_nfdl9TCwAjCIUNO6HqG4IGyQPY6YkODyCQarf0QOgOMixwz4fLkrLmdho6.Ssw8yPhkj8mWdWn_Z6Fc8r1QWQHymXXYXEMSNeu2Xe8jnnUBiLtenybfD5n9GvI82HZYV0JQJYZlHrp8449U3dFJ3aXuKl6pX7LniubtQrbWc9OgBr.PFGy4_IuN1GQZDwg7B.zoP7WHjHzojaIejUnGrIeKa2WdSe28oe2A0wk0KYZThUZ.TQ7vl8rYqemB6E7RDsyyB6SM64Y9fBBNTXXJMXrWYXzVDQBOz3DUcsCtz4t0gRLwZew7guLsWF7GO32CSeM5sx0rgeQzo1ejI3qyCYuXJ4tzWImB3PGcaWDp5SUzSREqYHtPU7B4TxXvQMogz2mCKxDIym8pCeoc7hw6SLxIKXrVwL2PSrjnibMDt9xy.CAiEMxLRIyfK.DxkM9K2vqUldU35vO.Rm2iLIGwHUFU.gX13qBfbJYmjnpozeUH910TMatDY2R1J6RnXdJXzxJjAVeHw0KhmnI.hRTI.Ynx3QZjc.wPVnrNZ97C_ulFn2uQWe",mdrd: "VxX.kEs8ALZtOe0sRtnMdwFowmixLgOzPBuONasPaTs-1739401636-1.2.1.1-ptLtboRnqCd5trXD8uDf64zAOJcEu.5B6b10MIwROIREDuYPNU0pF8lVBEmZVkXrVZUSTpX2hmu_I2mwRVUoJGmMkfvfxBaVdi4aPt2y5oLllfZ8izytWW1Kv4ZcniWqHK1Oc7wOz8AcCBo9P0pN1QyreLI4HedhIsswlBulswIQ247wxWRKEYb.k7RO2NQm3YRzbYBuI4qUXkDQoejBnR9fNd6tfdrSf3bYwnfvN0AecDF5mGFoTia03wcaGq.BW0J3CYqJJ5XlfW_mM70lwCpqJhwFUIu7KC_2KGobPozaopFvjE2M1NLLn7UJazTFT2CkUUGBFdz3CP3wjlA_iKgPNjUEXnlWS7E9l5jjIadSIN4wjXAxTPCfa6QTZXliUJ5pTtkq6VaiBAKlJ09H8MwU.wX1oF.MAzZB1avWe3klRnnbEc.oQXPs0sc_UifbwdVNRDMEijGMKs5pUCHKHR5yhUn3ZyM5BRsCXwIRQmkxUjy4nY3Fd11sbowNy0_ADYeulh.c_olQIFihvABFnE9HWgEdX3exH7Nb.O0k22kDfcraY3c3wg31_33ewIKcWHt5TVU6C5O74v5SmWC_FEXvDUU6tTyZ.ZNIYMVmu.4TE9wdX2bVl.1BL0A9QGUwpW9C61_QL_65DYsZrNDakXHyukmiBkhRY_wM8eTOgTUekhXdxmXg9fr.FrzufR1_hiwuKSn9VZrjr7Cez.BGCj3iAXl1C8IojmzOTI_U4X.mifJ2stp5Y9X9a2tOIerBAhm3SYwdYrHLDbVIOukIOw7HNbCKDU5luqEFJ2jooy1R8D5nQYpsLFcSKMfy5VtpDI9B9yRurY92.kc0vb4aHxgZ70nRbDTO9BWVY7.0KXhmZTjXTYkSpP9x5RBz58bLYHXU9z3Tmdk_LknCdjPNjUJqx7CX4s46WpGLFIJgswc7a9QM_LfZJ5MSLmw.bDlW44Fufw8c7S4uEKy.2XX0V9EyXkAMv09f_foFkd4I9qYliYNaKc4drKwDEYyVrywce3uzj_Rf4D3pQJKAK8N24KErLscWVGZwUYjWlBZci2alPgGAXznlIf3QNNDRa07XfPzvstPVTjcthFevEQLlmPtQXfsv.ydxh4fWiVz26kX7rrjU7OLxGUOCWBzCXum8Spwpt4HNBMD3PzkcL6IyKNdTkoZB77T5NcR_lo29XMvcmM165oWziFmhNKzHK.MWllFTpK3E6amL1ERPTcV4n1.ZvP2eR5QHnY3eZXNWFIveK.53ExYWD6I_XiYij_nCbsYiFvJmM0wyw1NUF6Vkp7jyxrUeP6ZeXmX8JvT85p.rITFkSw5eGvi1e.7g.NXdKdZ3poaqx7GzKGYtCji_6Xx.X1wWNQu72kqUdUWH6ieOC0R23hSqxjstjRrrUroI0Brd2y0LRrPGoldfh9rQ4SVoaJC_F9N1ZH8bu2SA4VS5quwuJQs0dc4MbLb4OdpM9xKmcR9I9jjgIj9y2pOSC7RhjRzz8_QHdbv4y86zPNNDPDEmMPVaw0u2efZl4CWcWw3VQFwGgsjzk_eVzvCRzCnshGEU95bYlrfu7EopRjfC0UHM5X1RV9ze0DUK2MGoUXOHtnrGUwRSGcbBwMkpHWRAtr1cLlA460MVDq.L7POQ6EvlQOelabw4gDP7hGpt6QtGLkpBfooyX8evUkpVpc3GgnFcl27R8NRzTTB42Yo2Mt9kIpgVn4gEnUq_lJZHATiE4dUVbMiL5QKUiP1kc30dt_4jCjPp4VlgEN2dAUqTGr9neEKzkfueLKE6P.Fp1zn.Wq8vMlu7X9MxnFaHrUJr75uosqDCwww9tLPdm6o1RVT_auY3G5m6yHLXF.hx"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103be23888d6cc';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\/1426358970?__cf_chl_rt_tk=jeYDLLYhHVZbVVLNu7Tlm4P_20FNYYh5Nxz5q9aIa2g-1739401636-1.0.1.1-7Nz.Ck8Tag6rSqsrOrDCvz3GCDw965CLVakHbLTjvIU" + 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