Does CDN delivery with Cloudflare reduce AdSense revenue?Various setting methods.

The impact of Adsense.

Cloudflare Docs

Troubleshooting crawl errors · Cloudflare Support docs

https://developers.cloudflare.com/support/troubleshooting/general-troubleshooting/troubleshooting-crawl-errors/

Cloudflare allows search engine crawlers and bots. If you observe crawl issues or Cloudflare challenges presented to the search engine crawler or bot, contact Cloudflare support with the information you gather when troubleshooting the crawl errors via the methods outlined in this guide.

They said that with the appropriate treatment, there would be no problem, and the appropriate treatment is to set mod_cloudflare settings.

The cause is that individual IPs are indistinguishable through Cloudflare (they are all the same IP through Cloudflare).

Cloudflare Docs

Restoring original visitor IPs · Cloudflare Support docs

https://developers.cloudflare.com/support/other-languages/日本語/元の訪問者ipを復元する/

When your website traffic is routed through the Cloudflare network ↗, we act as a reverse proxy. This allows Cloudflare to speed up page load time by routing packets more efficiently and caching static resources (images, JavaScript, CSS, etc.). As a result, when responding to requests and logging them, your origin server returns a Cloudflare IP address ↗.

How to make Nginx recognise individual IPs differentially.

I use Nginx, so I configured it here.

Cloudflare Docs

Restoring original visitor IPs · Cloudflare Support docs

https://developers.cloudflare.com/support/troubleshooting/restoring-visitor-ips/restoring-original-visitor-ips/

When your website traffic is routed through the Cloudflare network ↗, we act as a reverse proxy. This allows Cloudflare to speed up page load time by routing packets more efficiently and caching static resources (images, JavaScript, CSS, etc.). As a result, when responding to requests and logging them, your origin server returns a Cloudflare IP address ↗.

Write the settings in the nginx configuration file.I created the following file, pasted the content here as is, and restarted it with nginx -s reload and it worked./etc/nginx/conf.d/my_proxy.conf

Check the nginx access log and if it is your global IP when you access the site top page yourself, you have succeeded.

For APACHE, please refer to the following.

How to make apache recognise individual IPs separately.

Cloudflare Docs

Restoring original visitor IPs · Cloudflare Support docs

https://developers.cloudflare.com/support/troubleshooting/restoring-visitor-ips/restoring-original-visitor-ips/

When your website traffic is routed through the Cloudflare network ↗, we act as a reverse proxy. This allows Cloudflare to speed up page load time by routing packets more efficiently and caching static resources (images, JavaScript, CSS, etc.). As a result, when responding to requests and logging them, your origin server returns a Cloudflare IP address ↗.