Support for 103 Early Hints nginx 1.29 for Wordpress

bestperson · July 29, 2025, 9:30pm

Hello everyone, I’m trying to figure out how to support 103 Early Hints for WP, I’ve read a lot of things, but I haven’t figured out how to do it yet. I created a template for WP and added

## add 103 Early Hints
map $http_sec_fetch_mode $early_hints {
    default "";
    navigate $http2$http3;
}

and

       location ~ [^/]\.php(/|$) {
            early_hints $early_hints; #add 103 Early Hints
            try_files $uri =404;

it turned out

## add 103 Early Hints
map $http_sec_fetch_mode $early_hints {
    default "";
    navigate $http2$http3;
}


##лимит по колличество запросов, 1000 мс*60 сек(мин) делим на 300(rate=300r/m) = 200 мс(или 5 запросов в секунду)
limit_req_zone $limit_key zone=quant:10m rate=300r/m;

## лимит подключения пo домену
limit_conn_zone $server_name zone=quantall:10m;

## ограничение количества соединений(по идее с 1 ip 1 соединение но В HTTP/2 и HTTP/3 каждый параллельный запрос считается отдельным соединением)
limit_conn_zone $limit_key zone=qantlim:10m;


geo $limit {
    default 1;               # По умолчанию — применять лимиты
    213.108.6.232 0;         # Для IP 213.108.6.232 — не применять лимиты
}

map $limit $limit_key {
    0 "";                     # Если $limit = 0, то limit_key пустой (разрешить)
    1 $binary_remote_addr;    # Если $limit = 1, то использовать IP-адрес клиента
}


server {
    listen      %ip%:%web_ssl_port% ssl;
    listen      %ip%:%web_ssl_port% quic reuseport;

    server_name %domain_idn% %alias_idn%;
    root        %sdocroot%;
    index       index.php index.html index.htm;
    access_log  /var/log/nginx/domains/%domain%.log combined;
    access_log  /var/log/nginx/domains/%domain%.bytes bytes;
    error_log   /var/log/nginx/domains/%domain%.error.log error;

    ##Применяем ограничения ко всему серверу, с учетом исключений по IP

    ##лимит по колличество запросов, злая штука для HTTP2 и HTTP3
    limit_req zone=quant burst=80 nodelay;
    limit_req_dry_run off; #тестовый режим
    limit_req_status 444; # вместо ответа 503
 # limit_conn_log_level info | notice | warn | error; #изменить логи

    ##ограничение количества соединений(по IP в зависимости от протокола HTTP/2 и HTTP/3 каждый параллельный запрос считается отдельным соединением)
    limit_conn qantlim 60;
    limit_conn_dry_run off; #тестовый режим

    ## лимит подключения по домену
    limit_conn quantall 1000;
    limit_conn_status 429;#слишком много запросов(применяется ко всему limit_conn)


    ssl_certificate     %ssl_pem%;
    ssl_certificate_key %ssl_key%;
#    ssl_stapling        off; #Отключение проверки в основном файле Nginx тоже отключено
#    ssl_stapling_verify off;

    # TLS 1.3 0-RTT anti-replay
    if ($anti_replay = 307) { return 307 https://$host$request_uri; }
    if ($anti_replay = 425) { return 425; }

    include %home%/%user%/conf/web/%domain%/nginx.hsts.conf*;
    #nginx-ultimate-bad-bot-blocker
    include /etc/nginx/bots.d/blockbots.conf;
    include /etc/nginx/bots.d/ddos.conf;

    # HTTP/3 specific settings
    ssl_protocols TLSv1.3;
    ssl_prefer_server_ciphers off;

    add_header Alt-Svc 'h3=":%web_ssl_port%"; ma=86400'; # Advertise that HTTP/3 is available
    add_header QUIC-Status $http3;

    location = /favicon.ico {
        log_not_found off;
        access_log off;
    }

    location = /robots.txt {
        try_files $uri $uri/ /index.php?$args;
        log_not_found off;
        access_log off;
    }

    location ~ /\.(?!well-known\/) {
        deny all;
        return 404;
    }

    location = /xmlrpc.php {
        deny all;
        access_log off;
        log_not_found off;
        return 403;
    }

    location / {
        try_files $uri $uri/ /index.php?$args;

        location ~* ^.+\.(ogg|ogv|svg|svgz|swf|eot|otf|woff|woff2|mov|mp3|mp4|webm|flv|ttf|rss|atom|jpg|jpeg|gif|png|webp|ico|bmp|mid|midi|wav|rtf|css|js|pdf|jar)$ {
            expires 365d;
            fastcgi_hide_header "Set-Cookie";
        }

        location ~* /(?:uploads|files)/.*.php$ {
            deny all;
            return 404;
        }

        location ~ [^/]\.php(/|$) {
            early_hints $early_hints; #add 103 Early Hints
            try_files $uri =404;

            include /etc/nginx/fastcgi_params;

            fastcgi_index index.php;
            fastcgi_param HTTP_HOST $host;
            fastcgi_param HTTP_EARLY_DATA $rfc_early_data if_not_empty;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

            fastcgi_pass %backend_lsnr%;

            include %home%/%user%/conf/web/%domain%/nginx.fastcgi_cache.conf*;

            if ($request_uri ~* "/wp-admin/|/wp-json/|wp-.*.php|xmlrpc.php|index.php|/store.*|/cart.*|/my-account.*|/checkout.*") {
                set $no_cache 1;
            }

            if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_no_cache|wordpress_logged_in|woocommerce_items_in_cart|woocommerce_cart_hash|PHPSESSID") {
                set $no_cache 1;
            }
        }
    }

    location /error/ {
        alias %home%/%user%/web/%domain%/document_errors/;
    }

    location /vstats/ {
        alias %home%/%user%/web/%domain%/stats/;
        include %home%/%user%/web/%domain%/stats/auth.conf*;
    }

    proxy_hide_header Upgrade;

    include /etc/nginx/conf.d/phpmyadmin.inc*;
    include /etc/nginx/conf.d/phppgadmin.inc*;
    include %home%/%user%/conf/web/%domain%/nginx.ssl.conf_*;
}

But I don’t see a response when making a request.

curl -I https://quantumtransition.angellive.ru/
HTTP/2 200 
server: nginx
date: Tue, 29 Jul 2025 20:56:19 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
link: <https://quantumtransition.angellive.ru/wp-json/>; rel="https://api.w.org/"
link: <https://quantumtransition.angellive.ru/wp-json/wp/v2/pages/786>; rel="alternate"; title="JSON"; type="application/json"
link: <https://quantumtransition.angellive.ru/>; rel=shortlink
strict-transport-security: max-age=31536000;
alt-svc: h3=":443"; ma=86400

Perhaps one of you has already set up this for yourself and will tell you what is wrong). Thanks