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-228223876391.mit-edu.top/post/8065971243

  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-228223876391.mit-edu.top",cType: 'managed',cRay: '91104497fd8f2898',cH: 'z9c6_pU5rCb2nLTQs0OJGGo4V5tpbbRx.JrAVldE_0o-1739401992-1.2.1.1-fx1JAuhrrK5siQSw56b4YFIDvl59UubtWY1jf8cEGVF5ZuGYLwDti6iTmoQqxx13',cUPMDTk: "\/post\/8065971243?__cf_chl_tk=rWrPm5qxIQ8DKyQvgcSwqLQWTNOysV.JTIkj7dQod2Q-1739401992-1.0.1.1-f9Bi7MU9rU6.rWSi9yXkB3Y1CH8C_gK5HGR9rfJZ04k",cFPWv: 'b',cITimeS: '1739401992',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8065971243?__cf_chl_f_tk=rWrPm5qxIQ8DKyQvgcSwqLQWTNOysV.JTIkj7dQod2Q-1739401992-1.0.1.1-f9Bi7MU9rU6.rWSi9yXkB3Y1CH8C_gK5HGR9rfJZ04k",md: "8mbN0IOcdJv_p3yivsRJs0XL0YgmUqOELNYA8vezeBs-1739401992-1.2.1.1-NaNjPrKh7BhVYtx56hB1lJS0CI2Ugo_DXQUAqOVbGqMrcFQbS4cEpL3tw1Th0LFAkqFEh0cthlQyYnfSGuyRHplKRtbaCEkLgsxPPc.EF5RMJfKhUAja7TaMZ6W4ES1DFZtn2XquBdcy_p.2FZ7RTj3uEilfbjg5RGmVXdybIwOJjthzMok25AYhP1TAJ17u9FWYiBASRjI4obmZwUWAzfRc_rKVZpIKYr.zKJnTabldfqBIphF4g8P2qX5Dgg7XjjBSb4aToalFyJtYCxtdVNXCegv9uW_VawLeVGwQWvCfKZDtwx.e.tWBYJJJVnnxPKJhy6N2sP3klDIruxSg77YtojPCHfc8QTauP9rEmjEqfrxwEjh6_B_DSEjTYsRm4yfDxV8RGimUU7Fx.4CzXzv640yL6bdA.ulQRX8c8j_a1vfDT4iNbsXPGyi.RTJvhSfjZfNXreUhj0XiAWYppcudpwIYCUFFgrnVX3xUZu_ILwI1zO1s45BU8Xb0nbePiNYh2n2jZqDLBUzKMqFcetFlR795VuxLAP78lJRhdYpX1TAGQRUjz3eZRYVWirWtnqv1k4seHoS0sVfLC0HZ1hWzdOB59KSLCEs8CxYL_j74igcbWwwf1SCQfdAjU9DfyMhibR7THfSlyHE5iasZhabphTNqmRmr1tdRIHiRcBc9x4hpdVTS65I2wiBGmbSNzsU97g5RtkqHcOsBUcHAXrg3xReFD74ztImrmPltR7D1dTDSRTwlmQ9vaBY8xLcWBv8Wd2GaVYwua0hjd44mkqRigG56nP0nq5kE75qChtpfBXp9aRZxx4hqP_Zunu04QqEMmFV08MpiiAc78.hWL0196JdnMqYhOi98rcl.5Vm4S3BmV8SA2euegNMzRN6dgBh6OmSHOSWLUx8aM.ioPy7ZhU9Q4LTiSwKkoa71BymInJnXlwM6aCG3d_x_Y0PlIPhT4ucBnv6416l6yRg5q.8FnhXz6rc7apaAg17_0KSp5Wv23iceeTN.pSnKjBLqoPZxfLhZNEZTqOc._A8qLjmwTOwjT0Tqo4a3UMFPlE413RvUGKqHPjXM6Dj4xfpGDVXifbadtnAQYH9vsVHDx465kwd7WEDaEz86yLkpSu_7z4827FlOp1jm3ST2TZT8AH7nBms5oj4fLG7pJKVA61th2wyGB7T70IwsdDv.zN9oTvqJmOCvnadsQFiUnboPvi5KHkIFzhjArO9aKU0AX6PgRaydqQkP9UNkCHqReq9EUXVmKH2NPm281njAg4eerCkz6wNG1tkSzSa38UFlJl4d5LPDv14rdKBuKdClleBn3766Hdt36drAV_AT53HCTZxtZrkIXhehaaG.51f.UVrBgEb1Cvnz39OsJwtgiN1.OcpEdXPBAiEEh3Of1tgfsW5MeqA8kwZZ.eLFkIQ_8iYAg40MmMKUeLC_fHXjyLvFJvgMtaOB1ye6HJ9Psdazdb5eIYN0qTn2tHAEvjGgJg8tvdtod2kjboJ2AIfv36IJupEytDw3RINd1wZH6D5Y6giGDkpi2Fn6tUpfdP2ppEuwoc_e1hAnZUxmkSELegTE.xPdn51yv7R.bu1lbgrsN2q9kXd6Y8phFariVaHcMGy9MnOCXq_maxAOnMp34L8e8mYNUap6N3q17GiH8bhisxP598ga74LawRFhv_qvhCExV_AQ9156.N.Fj1bjoF.Cli5zCyDoDjZ4YJFY5_DimVpzGvwikRDvrpIhoHOz7c3yLzKRt6Y94fl2sbqLlQ84dairjYla3PC6NRURN3Dy_wkVUYykwnw1.UBJ1DzKM0L59zsSfSaSyko1_A.BgxcrUCptrgU6xoPER65sl9hVqlW25g2Uzj_ODrSBrPbNV6RPBWm2uhT2eOrtfVMeboATp2T3fq6ytXlTVnxkTKwipRYXhlO9SPF8QUS3fmhRBFvbcPmO6DJKacQvfhG3hgWq854HgrY3DwMNM5pXzlifSDuNZVEGnHEFBEa3mN1y0MCSX9GM_W1ejS2jVs8cpPA98Q_43Dt7mL4jywPYBBD.MXJc.uF8bZLM3hp11KreibpSpVjjdjSZv3yanKnbaCcKvFW4DCU74NXiZM6AHpESUKoLvDEkcwVKNvw9u6LDhavfo.fHQPP4sWYGFPmeMg9CrCgtHnBIxp49P0Cz5hC_ktRNVYljkO70ZP7JRtV1DyQ7iC6AnFGkH7oFUSS9IPU8oeuAyqo0yIVQ4O7eLMS3",mdrd: "vztga07qdGt9Qlqj7dLHPLDL3J0XEWS93XwKp0NnERI-1739401992-1.2.1.1-AGtLaBZZ1gI5fzU6vd9aXWp8RXQCyGNrsTqG492kL0IvNhquvfnfi.8ppE0nVRymLuCdMmzJP1IQnjiZ7Oc3faAUSLfWslSMRXd6OLrq8m.L0w09anM6mpv1ye1rUB_T.e_nAtnPA8Vqtl7G1XFNMDm14nGKy0.4PZMnuFhYrMl1VJUw9NuAKMiHoA66HHJMTxc4zxSOyGABeV6TR7x9rVmxjUiiip2KkPl3jfBxlTlUX7TfGCqpgkr9UUmc2sDtCXKfPYGsjdDk4V.AqiIZUVK61ny4g3x_dlkTOqd7Q44_BMHPbWpJyeQ2EpucNG6t7mBqhf17gmrjVYRFGGT0NDiY2rHJhjVx2ddwb.MOkDkd.vOOc5fkdebG2MIKuMmIb.KhS9YojUnoDH1AXutEHBpPICmSrNbEvs6YzoFGpWpBqPjjmUTFktnMZOVUDMnf_Xx2RQDH2TjmhyaJ3rjlHOyPPV3F7wTMhahfNyC5bW1IqmeS34E87CYJph4TZc7ZXIGfJI72TyWC6IE8wKG5.thKG_KI6UjU8IMH_.MuoJjE7ewxwWNOGC3RhcktYp1yhBQANzJhtlPmDzfNqY44cMTiXxMNVjrzWGWSM24BhXFQGO7_hhPduIHsuD3H907kiZesIQWdeKVUMNsSxRl5HNnVBIfm6LQR7W8.mRcfhwl37S1wOMuwWpgCxKOlrSHph2GTq.6xrHmBv_1lMDJnXzyZSXg.m4_oyRAS5Wi4fPe_35.MmXIpgI5ISIHmGyR43RjvHfPsfYt1WLerOTbZGK3aEqYuzbqlRGdThiexA4k1NMwpK4PtIDciXiOY.de0FFMAPEA2Y7VGpgVyT.UDoyk4Td9m.yfLj.dO5FMeai_ArChEikvY_89NdZl4Yw1y8fvqUTCJNhhnxDUMouE0r0e259GqjnHd5meJoINfa1_QlijD8CWUVSZeFiBL7tZcpHAXIc5LkBhcV1gcA2_6mnzEXg714znfwfNBmVBAwCHHYeBsDpros_SAx9huWtnouYTzK_q83gFn7_LTHZ1FmwstiK4tlpahdC2eYMBreN9PZJ0DDOEObuuvcckdsyLOUuj7BakY43rrj43KEMCKL4cE2GC8NRKwQthC67Y7EdNWzg7P0ibZZy18.qHntnrF_rVQ3TnDJWlXTZgL8BGzbOzkNRVCixHnKk4JT8llJ9aly4nT7v7mXpFAVBEOi.ZNxvjkLKNcLzrVDfROIfhsY3q95vkIHuH4ckMAECIrRZVvAIrWQi.loPLc1VGDxGBkgfcaAx98Q9l5cqp9qT2ej44Hok0FIFztFoyrWR07dKrWMEU.RmnqulmaMf08W5faiHfHu4nys65OnUVcNEhnkdddi.rWAZmjXdMztXaKOsqYUYxNuHOCs9EzkGHXtPIN.bnn87m2jP8ihGwg9pn89wE9pokmAscyi82rZ7cB3kMxM9qhOXp5zDdX_IT.n6NvfUPQPYjzr6HVeWMSgxrKBpatpZFNTYxHTctGIVmkvQf2r3EWONZu0_rkZCgJ2AVsy0io.i4aHBy2l9APR1hdIqXVH9Afz0sxNBjAnHKUfPUOC.fEjjMf31lIrUswBzppsevJXIivzfA_FDqa3PWMzeJI2UwaeeIE5bDRTbJUu5ovDJj9N3K4GN77rYM9vBVzLZbZkYSbVEaXRjKVzgtMKIUpqjqjQK_vJSrTD2LbszVoXk7LhVHIMJ7NtDJEB3EA8XgeCm8YbnXU6XeVtaDqa2BeFa8j9.T7NDyA8Q4uLWTOXFtOHcufmU8dPxzMJ37G.RUDv6fU84YExoEL5Md95i8u_d7ylf9F1.eOGZvk6bY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104497fd8f2898';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\/8065971243?__cf_chl_rt_tk=rWrPm5qxIQ8DKyQvgcSwqLQWTNOysV.JTIkj7dQod2Q-1739401992-1.0.1.1-f9Bi7MU9rU6.rWSi9yXkB3Y1CH8C_gK5HGR9rfJZ04k" + 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