我想知道为什么谷歌和 YouTube 速度很慢，有什么我可以尝试修复它
下面我 ping google.com、youtube.com、superuser.com 和 yahoo.com，您可以看到 google.com 和 youtube.com 的时间明显高于 superuser 和 yahoo.com，而且我在浏览 youtube/google 时可以明显感觉到速度很慢。
我也尝试过重启路由器
google.com ping
➜ ping google.com
PING google.com (142.250.80.46) 56(84) bytes of data.
64 bytes from lga34s34-in-f14.1e100.net (142.250.80.46): icmp_seq=1 ttl=119 time=352 ms
64 bytes from lga34s34-in-f14.1e100.net (142.250.80.46): icmp_seq=3 ttl=119 time=349 ms
64 bytes from lga34s34-in-f14.1e100.net (142.250.80.46): icmp_seq=4 ttl=119 time=362 ms
64 bytes from lga34s34-in-f14.1e100.net (142.250.80.46): icmp_seq=5 ttl=119 time=350 ms
64 bytes from lga34s34-in-f14.1e100.net (142.250.80.46): icmp_seq=6 ttl=119 time=358 ms
youtube.com ping
➜ ping youtube.com
PING youtube.com (142.250.176.206) 56(84) bytes of data.
64 bytes from lga34s37-in-f14.1e100.net (142.250.176.206): icmp_seq=1 ttl=119 time=75.9 ms
64 bytes from lga34s37-in-f14.1e100.net (142.250.176.206): icmp_seq=4 ttl=119 time=75.4 ms
64 bytes from lga34s37-in-f14.1e100.net (142.250.176.206): icmp_seq=6 ttl=119 time=75.5 ms
64 bytes from lga34s37-in-f14.1e100.net (142.250.176.206): icmp_seq=8 ttl=119 time=75.6 ms
超级用户.com ping
➜ ping superuser.com
PING superuser.com (151.101.1.69) 56(84) bytes of data.
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=1 ttl=59 time=7.46 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=2 ttl=59 time=7.48 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=3 ttl=59 time=7.54 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=4 ttl=59 time=7.47 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=5 ttl=59 time=7.52 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=6 ttl=59 time=7.49 ms
雅虎通 ping
➜ ping superuser.com
PING superuser.com (151.101.1.69) 56(84) bytes of data.
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=1 ttl=59 time=7.46 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=2 ttl=59 time=7.48 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=3 ttl=59 time=7.54 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=4 ttl=59 time=7.47 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=5 ttl=59 time=7.52 ms
64 bytes from 151.101.1.69 (151.101.1.69): icmp_seq=6 ttl=59 time=7.49 ms
以下评论请求了 youtube.com 的 NS 查找输出
❯ nslookup youtube.com
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
Name: youtube.com
Address: 142.250.176.206
Name: youtube.com
Address: 2607:f8b0:4006:81c::200e