Advanced searches using the "site" keyword are not reliably working.

Dumping some support information from "edge://version" and the developer tools (F12).

Edge version information

Developer tool information

Link address

https://s.bingparachute.com/search?q=site%3Amicrosoft.com%20excel&mkt=en-au&muid=06647437518666ED05DF66CE50456720&impressionguid=B79ECC18FEA14722AD891C8FE8D4FEAC&traceid=6440fbea95764fad903c0a3b2f6c4301&refid=Ref%20A%3A%20F8A9C8CC147740EF864870AE3379176F%20Ref%20B%3A%20PER311000106049%20Ref%20C%3A%202023-04-20T08%3A46%3A34Z

Request headers

GET /search?q=site%3Amicrosoft.com%20excel&mkt=en-au&muid=06647437518666ED05DF66CE50456720&impressionguid=B79ECC18FEA14722AD891C8FE8D4FEAC&traceid=6440fbea95764fad903c0a3b2f6c4301&refid=Ref%20A%3A%20F8A9C8CC147740EF864870AE3379176F%20Ref%20B%3A%20PER311000106049%20Ref%20C%3A%202023-04-20T08%3A46%3A34Z HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate, br
Accept-Language: en-AU,en;q=0.9
Connection: keep-alive
Host: s.bingparachute.com
Origin: https://www.bing.com
Referer: https://www.bing.com/
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: cross-site
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.48
sec-ch-ua: "Chromium";v="112", "Microsoft Edge";v="112", "Not:A-Brand";v="99"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Windows"

Response headers

HTTP/1.1 404 Not Found
Accept-Ranges: bytes
Content-Length: 10
Server: AkamaiNetStorage
Date: Thu, 20 Apr 2023 08:46:34 GMT
Connection: keep-alive
Access-Control-Max-Age: 86400
Access-Control-Allow-Credentials: false
Access-Control-Allow-Headers: *
Access-Control-Allow-Methods: GET,POST
Access-Control-Allow-Origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingparachute"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0}

Stack trace

pfetch @ https://www.bing.com/search?q=site%3Amicrosoft.com+excel&qs=n&form=QBRE&sp=-1&lq=0&pq=site%3Amicrosoft.com+excel&sc=0-24&sk=&cvid=CECE5D00328E4B379A34C120D09A720E&ghsh=0&ghacc=0&ghpl=&rdr=1&rdrig=D65DA2890BB54128945CE1C450BF8CFC:45
loadCachedPage @ https://www.bing.com/search?q=site%3Amicrosoft.com+excel&qs=n&form=QBRE&sp=-1&lq=0&pq=site%3Amicrosoft.com+excel&sc=0-24&sk=&cvid=CECE5D00328E4B379A34C120D09A720E&ghsh=0&ghacc=0&ghpl=&rdr=1&rdrig=D65DA2890BB54128945CE1C450BF8CFC:45
(anonymous) @ https://www.bing.com/search?q=site%3Amicrosoft.com+excel&qs=n&form=QBRE&sp=-1&lq=0&pq=site%3Amicrosoft.com+excel&sc=0-24&sk=&cvid=CECE5D00328E4B379A34C120D09A720E&ghsh=0&ghacc=0&ghpl=&rdr=1&rdrig=D65DA2890BB54128945CE1C450BF8CFC:45

Cheers,

Lain