Access to XMLHttpRequest at 'https://ads.servenobid.com/adreq' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://ads.servenobid.com/adreq?upapi=true' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to fetch at 'https://static.criteo.net/js/ld/publishertag.prebid.js' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Request header field amiksika is not allowed by Access-Control-Allow-Headers in preflight response.
Access to XMLHttpRequest at 'https://api.btloader.com/pv?tid=Nxf1Kd8q9-AJ6JQ9cVoO-945405a5a6&w=6245015796318208&o=5102648370397184&cv=2.1.67-1-g39aeacf&widget=false&r=false&vr=800x600&pageURL=https%3A%2F%2Fwww.onlinegdb.com%2Fu0v_HrogW&sid=P1onBuOm-siLIUIhZkh-945405a5a6&pm=true&upapi=true' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to fetch at 'https://api.btloader.com/country?o=5102648370397184' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
Access to fetch at 'https://api.btmessage.com/websiteconfig?bt_env=prod&o=5102648370397184&w=onlinegdb.com&l=EN' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
Access to fetch at 'https://api.btmessage.com/mw/state?bt_env=prod' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
Access to fetch at 'https://api.btmessage.com/log?tid=Nxf1Kd8q9-AJ6JQ9cVoO-945405a5a6&cv=2.1.67-1-g39aeacf&sid=P1onBuOm-siLIUIhZkh-945405a5a6&upapi=true' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
Access to fetch at 'https://ad.doubleclick.net/favicon.ico?ad=300x250&ad_box_=1&adnet=1&showad=1&size=250x250' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Request header field amiksika is not allowed by Access-Control-Allow-Headers in preflight response.
Access to XMLHttpRequest at 'https://c.amazon-adsystem.com/cdn/prod/config?src=600&u=https%3A%2F%2Fwww.onlinegdb.com&pubid=747b8b51-ec47-4dee-9823-b2b73124b71f' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://aax.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.onlinegdb.com%2Fu0v_HrogW&pr=https%3A%2F%2Fgithub.com%2F&pid=s0xAZ7G9qgLVo&cb=0&ws=800x600&v=24.1212.711&t=2500&slots=%5B%7B%22sd%22%3A%22bsa-zone_1573224210072-0_123456%22%2C%22s%22%3A%5B%22728x90%22%5D%2C%22sn%22%3A%22%2F22960212090%2C22987729508%2FOnlineGDB_S2S_Leaderboard_BTF%22%7D%5D&schain=1.0%2C1%21buysellads.com%2C2703%2C1%2C%2C%2C%21google.com%2Cpub-9961814823930967%2C1%2C%2C%2C&pubid=747b8b51-ec47-4dee-9823-b2b73124b71f&gdprl=%7B%22status%22%3A%22no-cmp%22%7D' from origin 'https://www.onlinegdb.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Failed to set referrer policy: The value '' is not one of 'always', 'default', 'never', 'origin-when-crossorigin', 'no-referrer', 'no-referrer-when-downgrade', 'origin', 'origin-when-cross-origin', 'same-origin', 'strict-origin', 'strict-origin-when-cross-origin', or 'unsafe-url'. The referrer policy has been left unchanged.