← All changes | otto/Otto_pixel_class.php +311 -115 2.6.7 → 2.7.2 View file →

		@@ -7,27 +7,24 @@
7	7	/**
8	8	* This class handles the Otto Pixel Functions
9	9	*/
10	10	Class Metasync_otto_pixel{
11		-
	11	+
12	12	#otto html class
13	13	public $o_html;
14	14
15		- # crawl data option
16		- public $option_name = 'metasync_otto_crawldata';
17		-
18		- # no cache wp pages
	15	+ # no cache wp pages
19	16	public $no_cache_pages = ['wp-login.php'];
20	17
21	18	# OTTO UUID
22	19	private $otto_uuid;
23	20
24		- #
	21	+ #
25	22	function __construct($otto_uuid){
26		-
	23	+
27	24	# store the UUID
28	25	$this->otto_uuid = $otto_uuid;
29		-
	26	+
30	27	# load the html class
31	28	$this->o_html = new Metasync_otto_html($otto_uuid);
32	29
33	30	}
		@@ -39,102 +36,8 @@
39	36	# All pages are processed in real-time from OTTO API
40	37	return true;
41	38	}
42	39
43		-
44		- # method to save crawl data into
45		- function save_crawl_data($data){
46		-
47		- # get the option name
48		- $option_name = $this->option_name;
49		-
50		- # handle data
51		- $saved = get_option($option_name);
52		-
53		- # log saved
54		-
55		- # if saved false save
56		- if(empty($saved['urls'])){
57		-
58		- # save the option
59		- update_option($option_name, $data);
60		-
61		- return;
62		- }
63		-
64		- # get new unique list of urls
65		- $new_list = array_unique(array_merge($data['urls'], $saved['urls']));
66		-
67		- # set data
68		- $data['urls'] = $new_list;
69		-
70		- # log saved
71		-
72		- # save the option
73		- update_option($option_name, $data);
74		- }
75		-
76		- /**
77		- * Check if a URL has been crawled by Otto
78		- * - Validates domain against saved domain
79		- * - Ignores query strings
80		- * - Does exact path matching as Otto stores paths exactly as they appear
81		- * @param string $url - Full URL to check
82		- * @return bool - True if URL was crawled, false otherwise
83		- */
84		- function is_url_crawled($url) {
85		- # Ensure valid input
86		- if (empty($url) || !is_string($url)) {
87		- return false;
88		- }
89		-
90		- # Get saved crawl data
91		- $saved = get_option($this->option_name);
92		-
93		- if (
94		- empty($saved) ||
95		- !is_array($saved) ||
96		- empty($saved['domain']) ||
97		- empty($saved['urls']) ||
98		- !is_array($saved['urls'])
99		- ) {
100		- return false;
101		- }
102		-
103		- # Parse saved domain + incoming URL
104		- $saved_domain = parse_url($saved['domain'], PHP_URL_HOST);
105		- $incoming_domain = parse_url($url, PHP_URL_HOST);
106		-
107		- # Domain mismatch - not crawled
108		- if (empty($saved_domain) || empty($incoming_domain) || strcasecmp($saved_domain, $incoming_domain) !== 0) {
109		- return false;
110		- }
111		-
112		- # Parse incoming path (ignore query string)
113		- $parsed_url = parse_url($url);
114		- $url_path = $parsed_url['path'] ?? '/';
115		-
116		- # Ensure path starts with / but don't modify trailing slashes
117		- # Otto stores paths exactly as they appear in URLs
118		- if (substr($url_path, 0, 1) !== '/') {
119		- $url_path = '/' . $url_path;
120		- }
121		-
122		- # Compare against crawled URLs - exact match
123		- foreach ($saved['urls'] as $crawled_url) {
124		- if (!is_string($crawled_url)) {
125		- continue;
126		- }
127		-
128		- # Direct comparison - Otto stores paths exactly as they are
129		- if (strcasecmp($crawled_url, $url_path) === 0) {
130		- return true;
131		- }
132		- }
133		-
134		- return false;
135		- }
136		-
137	40	# get the current route
138	41	function get_route(){
139	42
140	43	# check if we're in an HTTP context
		@@ -196,8 +99,36 @@
196	99
197	100	# render route html
198	101	function render_route_html(){
199	102
	103	+ # Headless frontends do not consume WordPress-rendered HTML, so avoid
	104	+ # suggestion lookups, buffering and internal fetches altogether.
	105	+ # Falls back to a guarded direct read rather than skipping the check:
	106	+ # silently skipping would render OTTO markup on a headless site.
	107	+ # @phpstan-ignore-next-line function.alreadyNarrowedType
	108	+ $headless = function_exists('metasync_headless_is_active')
	109	+ ? metasync_headless_is_active()
	110	+ : (class_exists('Metasync_Headless_Config') && Metasync_Headless_Config::is_active());
	111	+
	112	+ if ($headless) {
	113	+ return;
	114	+ }
	115	+
	116	+ # Clear per-request statics before any path runs. Harmless under PHP-FPM
	117	+ # (the process ends with the request) but required under persistent-worker
	118	+ # SAPIs, where a latched flag would silently disable cache capping and
	119	+ # failure reporting for every later request in that worker.
	120	+ #
	121	+ # method_exists() is redundant to static analysis — this MR adds the method,
	122	+ # so PHPStan proves the call always true. It is kept for the upgrade window:
	123	+ # during a plugin update an opcache can still hold the previous
	124	+ # Metasync_Otto_Render_Strategy, where class_exists() passes but the method
	125	+ # is absent, and an unguarded static call would fatal the page.
	126	+ # @phpstan-ignore-next-line function.alreadyNarrowedType
	127	+ if (class_exists('Metasync_Otto_Render_Strategy') && method_exists('Metasync_Otto_Render_Strategy', 'reset_request_state')) {
	128	+ Metasync_Otto_Render_Strategy::reset_request_state();
	129	+ }
	130	+
200	131	# Disable SG Cache for Brizy pages FIRST - before any other processing
201	132	# Using global function defined in otto_pixel.php
202	133	if (function_exists('metasync_otto_disable_sg_cache_for_brizy')) {
203	134	metasync_otto_disable_sg_cache_for_brizy();
		@@ -247,13 +178,36 @@
247	178	# Use get_suggestions directly to track cache status
248	179	$suggestions = $transient_cache->get_suggestions($route, $cache_track_key);
249	180
250	181	if (!$suggestions || !$transient_cache->has_payload($suggestions)) {
251		- # No suggestions available for this URL
252		- # Set header to indicate cache status
253		- if (!headers_sent()) {
254		- $cache_status = Metasync_Otto_Transient_Cache::get_cache_status($cache_track_key);
255		- header('X-MetaSync-OTTO-Cache: ' . ($cache_status ?: 'NO_SUGGESTIONS'));
	182	+ # No suggestions available for this URL.
	183	+ $cache_status = Metasync_Otto_Transient_Cache::get_cache_status($cache_track_key);
	184	+
	185	+ # Two very different situations reach this point, and they must be
	186	+ # treated differently.
	187	+ #
	188	+ # A transient failure means the suggestions exist upstream but could
	189	+ # not be retrieved on this request — the API errored or timed out, the
	190	+ # per-minute budget was spent, or another worker held the lock. The
	191	+ # next request will probably succeed. Serving the un-optimized page
	192	+ # with normal cache headers lets a caching layer store it and hand it
	193	+ # to everyone until its TTL expires, so cap how long it may be kept.
	194	+ #
	195	+ # Everything else here is a legitimate answer: OTTO simply has nothing
	196	+ # for this URL (NO_SUGGESTIONS, including the 404 case). Most URLs on
	197	+ # most sites are in that state permanently, so capping those would
	198	+ # strip caching from the bulk of the site and move that load onto the
	199	+ # origin. Those stay fully cacheable.
	200	+ $transient_failures = ['RATE_LIMITED', 'LOCKED', 'API_ERROR'];
	201	+
	202	+ if (in_array($cache_status, $transient_failures, true)
	203	+ && function_exists('metasync_otto_limit_response_cache')) {
	204	+ metasync_otto_limit_response_cache($cache_status);
	205	+ }
	206	+
	207	+ # Set diagnostic headers only while Debug Mode is enabled.
	208	+ if (!headers_sent() && Metasync_Otto_Render_Strategy::diagnostics_enabled()) {
	209	+ header('X-MetaSync-OTTO-Cache: ' . Metasync_Otto_Render_Strategy::display_cache_status($cache_status ?: 'NO_SUGGESTIONS'));
256	210	header('X-MetaSync-OTTO-Method: NONE');
257	211	}
258	212	return;
259	213	}
		@@ -259,9 +213,15 @@
259	213	}
260	214
261	215	# comment out for fixing pagination issues
262	216	# $route = rtrim($route, '/');
263		-
	217	+
	218	+ # SiteGround's page cache is no longer disabled up-front for every OTTO page.
	219	+ # The cacheability decision now happens on the HTTP path in render_via_http(),
	220	+ # AFTER the internal fetch — only session/form pages and incomplete renders are
	221	+ # blocked, so plain content pages are finally cacheable. (SiteGround always uses
	222	+ # the HTTP path; the disable is a no-op off SiteGround, so nothing else loses it.)
	223	+
264	224	# Analyze what OTTO is providing for SEO plugin blocking
265	225	$blocking_flags = $this->analyze_otto_blocking($suggestions);
266	226
267	227	# Get cache status for headers
		@@ -266,8 +226,30 @@
266	226
267	227	# Get cache status for headers
268	228	$cache_status = Metasync_Otto_Transient_Cache::get_cache_status($cache_track_key);
269	229
	230	+ # POSTMETA BACKSTOP: a MISS means this request already paid for a live
	231	+ # OTTO fetch, which makes it the cheapest possible place to repair the
	232	+ # stored SEO meta when the crawl-notify webhook never ran. The sync is
	233	+ # deferred to a shutdown callback that runs after the response HTML is
	234	+ # built, so the rendered page and its timing are untouched. A HIT never
	235	+ # reaches this branch — steady-state requests keep doing zero extra
	236	+ # work. The class_exists()/method_exists() pair mirrors the guard
	237	+ # above: during a plugin update an opcache can hold this file without
	238	+ # the new class, and an unguarded static call would fatal the page.
	239	+ # The whole hook sits in try/catch: in the mixed-opcache window a missing
	240	+ # class constant is an Error, and the backstop must never fatal the page.
	241	+ try {
	242	+ $is_cache_miss = ($cache_status === Metasync_Otto_Transient_Cache::STATUS_MISS);
	243	+ # @phpstan-ignore-next-line function.alreadyNarrowedType
	244	+ if ($is_cache_miss && class_exists('Metasync_Otto_Backstop_Sync') && method_exists('Metasync_Otto_Backstop_Sync', 'maybe_defer_sync')) {
	245	+ Metasync_Otto_Backstop_Sync::maybe_defer_sync($route, $suggestions, $cache_status);
	246	+ }
	247	+ } catch (Throwable $backstop_error) {
	248	+ // Best-effort repair only; rendering continues untouched.
	249	+ unset($backstop_error);
	250	+ }
	251	+
270	252	# RENDER PRIORITY:
271	253	# 1. WP Rocket rocket_buffer filter — WP Rocket caches OTTO-modified HTML,
272	254	# so Kinsta also caches the correct version. No exit(), no cache bypass.
273	255	# 2. Output Buffer (fast) — for environments without WP Rocket.
		@@ -283,9 +265,9 @@
283	265	# WP ROCKET PATH: highest priority when WP Rocket is active.
284	266	# rocket_buffer fires inside WP Rocket's own cache pipeline, so the
285	267	# cache file WP Rocket writes (and that Kinsta stores) is already
286	268	# OTTO-modified. Eliminates the race where WP Rocket saved pre-OTTO HTML.
287		- if (class_exists('WP_Rocket')) {
	269	+ if (defined('WP_ROCKET_VERSION') || class_exists('WP_Rocket')) {
288	270	$wp_rocket_compat_mode = Metasync_Otto_Config::get_wp_rocket_compat_mode();
289	271	if ($wp_rocket_compat_mode !== 'http') {
290	272	# disable_otto exits in metasync_start_otto() before we get here, so
291	273	# only 'http' compat mode needs to skip the rocket_buffer path.
		@@ -323,8 +305,32 @@
323	305	}
324	306	}
325	307
326	308	/**
	309	+ * Stop WP Rocket writing the current response to its disk cache.
	310	+ *
	311	+ * DONOTCACHEPAGE is not sufficient from inside the rocket_buffer filter: WP
	312	+ * Rocket reads that constant when it decides whether to buffer the request,
	313	+ * which has already happened by the time the filter runs. It evaluates
	314	+ * do_rocket_generate_caching_files immediately before writing the file, so
	315	+ * that is the only lever still effective at this point.
	316	+ *
	317	+ * This matters more than the response headers do. A page served from WP
	318	+ * Rocket's disk cache is delivered by rewrite rules without invoking PHP, so
	319	+ * once a bad file is on disk no header can override it — only deleting the
	320	+ * file or waiting out Rocket's own expiry will clear it.
	321	+ *
	322	+ * PHP_INT_MAX priority so a site's own filters cannot re-enable the write.
	323	+ */
	324	+ private static function block_rocket_cache_write() {
	325	+ if (!defined('DONOTCACHEPAGE')) {
	326	+ define('DONOTCACHEPAGE', true);
	327	+ }
	328	+
	329	+ add_filter('do_rocket_generate_caching_files', '__return_false', PHP_INT_MAX);
	330	+ }
	331	+
	332	+ /**
327	333	* Render page using WP Rocket's rocket_buffer filter (PREFERRED for WP Rocket sites)
328	334	*
329	335	* When WP Rocket is active, hooking into rocket_buffer ensures WP Rocket
330	336	* caches the OTTO-modified HTML. This means:
		@@ -345,12 +351,12 @@
345	351	# Hook into WP Rocket's HTML buffer at priority 1 so other rocket_buffer
346	352	# filters (minifiers, CDN rewriters, etc.) run on already-OTTO-modified HTML.
347	353	add_filter('rocket_buffer', function($html) use ($o_html, $suggestions, $blocking_flags) {
348	354	if (empty($html) || strlen($html) < 100) {
349		- // Tell WP Rocket not to cache this empty/broken response.
350		- if (!defined('DONOTCACHEPAGE')) {
351		- define('DONOTCACHEPAGE', true);
352		- }
	355	+ // Tell WP Rocket not to cache this empty/broken response. The
	356	+ // constant alone is too late here (see block_rocket_cache_write),
	357	+ // so the write-time filter is applied as well.
	358	+ self::block_rocket_cache_write();
353	359	return $html;
354	360	}
355	361
356	362	# Only process full HTML documents — skip partials, JSON, error responses
		@@ -364,8 +370,23 @@
364	370	if (!empty($blocking_flags)) {
365	371	$data['_otto_blocking'] = $blocking_flags;
366	372	}
367	373
	374	+ # From here on we hold usable suggestions, so any exit that returns
	375	+ # $html unmodified is a genuine failure: WP Rocket would write the
	376	+ # un-optimized markup to its cache file, and whatever sits in front of
	377	+ # it would then serve that copy. This is worse than the plain buffer
	378	+ # path, because the bad page is persisted on disk as well as at the
	379	+ # edge — and this route exists specifically to make the cached copy the
	380	+ # optimized one.
	381	+ #
	382	+ # Note that DONOTCACHEPAGE alone does NOT prevent that write. WP Rocket
	383	+ # evaluates the constant when it decides whether to buffer the page,
	384	+ # which has already happened by the time this filter runs. The
	385	+ # do_rocket_generate_caching_files filter is evaluated immediately
	386	+ # before the file is written, so it is the only lever still available
	387	+ # from here. A disk-cached page is served by rewrite rules without
	388	+ # invoking PHP, so no response header can undo it afterwards.
368	389	try {
369	390	$modified = $o_html->process_html_directly($html, $data);
370	391	# Sanity check: modified HTML must be at least 50% the size of original
371	392	if ($modified && strlen($modified) > strlen($html) * 0.5) {
		@@ -370,12 +391,64 @@
370	391	# Sanity check: modified HTML must be at least 50% the size of original
371	392	if ($modified && strlen($modified) > strlen($html) * 0.5) {
372	393	return $modified;
373	394	}
	395	+
	396	+ # An unprocessable document (oversized / over the memory budget) is
	397	+ # a permanent property of the page, not a failure to retry. Leave it
	398	+ # fully cacheable — capping it would make the most expensive page on
	399	+ # the site uncacheable forever for no gain.
	400	+ if (class_exists('Metasync_Otto_Render_Strategy')
	401	+ && Metasync_Otto_Render_Strategy::document_was_unprocessable()) {
	402	+ return $html;
	403	+ }
	404	+
	405	+ # Either the rewrite returned nothing usable, or the result was so
	406	+ # much smaller than the input that it is assumed to be mangled.
	407	+ self::block_rocket_cache_write();
	408	+ if (function_exists('metasync_otto_limit_response_cache')) {
	409	+ metasync_otto_limit_response_cache('RENDER_DISCARDED_ROCKET');
	410	+ }
	411	+ if (function_exists('metasync_otto_report_render_failure')) {
	412	+ metasync_otto_report_render_failure(
	413	+ 'RENDER_DISCARDED_ROCKET',
	414	+ 'OTTO rewrite produced no usable output on the WP Rocket path',
	415	+ [
	416	+ 'original_bytes' => strlen($html),
	417	+ 'result_bytes' => is_string($modified) ? strlen($modified) : 0,
	418	+ 'render_method' => 'wp_rocket',
	419	+ ],
	420	+ 'warning'
	421	+ );
	422	+ }
374	423	} catch (Exception $e) {
375	424	// Fall through — return original HTML on any failure
	425	+ self::block_rocket_cache_write();
	426	+ if (function_exists('metasync_otto_limit_response_cache')) {
	427	+ metasync_otto_limit_response_cache('RENDER_EXCEPTION_ROCKET');
	428	+ }
	429	+ if (function_exists('metasync_otto_report_render_failure')) {
	430	+ metasync_otto_report_render_failure(
	431	+ 'RENDER_EXCEPTION_ROCKET',
	432	+ 'OTTO rewrite threw on the WP Rocket path: ' . $e->getMessage(),
	433	+ ['render_method' => 'wp_rocket', 'exception' => get_class($e)],
	434	+ 'error'
	435	+ );
	436	+ }
376	437	} catch (Error $e) {
377	438	// Fall through — return original HTML on any failure
	439	+ self::block_rocket_cache_write();
	440	+ if (function_exists('metasync_otto_limit_response_cache')) {
	441	+ metasync_otto_limit_response_cache('RENDER_EXCEPTION_ROCKET');
	442	+ }
	443	+ if (function_exists('metasync_otto_report_render_failure')) {
	444	+ metasync_otto_report_render_failure(
	445	+ 'RENDER_EXCEPTION_ROCKET',
	446	+ 'OTTO rewrite errored on the WP Rocket path: ' . $e->getMessage(),
	447	+ ['render_method' => 'wp_rocket', 'error' => get_class($e)],
	448	+ 'error'
	449	+ );
	450	+ }
378	451	}
379	452
380	453	return $html;
381	454	}, 1);
		@@ -515,18 +588,96 @@
515	588	private function render_via_http($route, $suggestions, $cache_track_key, $cache_status) {
516	589	# Set method indicator
517	590	Metasync_Otto_Render_Strategy::set_current_method(Metasync_Otto_Render_Strategy::METHOD_HTTP);
518	591
	592	+ # On Divi sites, skip OTTO for the first HTTP render per page
	593	+ # per 24h. OTTO's internal wp_remote_get creates corrupted CSS cache
	594	+ # files in et-cache/{post_id}/ (wrong server context). By returning
	595	+ # false once, WordPress renders the page normally — building correct
	596	+ # Divi CSS caches. Subsequent OTTO renders within 24h use those caches.
	597	+ # The transient stores the activation timestamp so it auto-invalidates
	598	+ # when the plugin is deactivated/reactivated.
	599	+ if (defined('ET_CORE_VERSION')) {
	600	+ $cache_key = 'otto_divi_css_fix_' . md5($route);
	601	+ $activated = get_option('metasync_activated_at', '');
	602	+ $cached = get_transient($cache_key);
	603	+ if ($cached === false || $cached !== $activated) {
	604	+ set_transient($cache_key, $activated, DAY_IN_SECONDS);
	605	+ # Deliberate one-off skip, and the next request renders correctly —
	606	+ # so cap how long this un-optimized copy may be cached rather than
	607	+ # letting a caching layer pin it for its full TTL.
	608	+ if (function_exists('metasync_otto_limit_response_cache')) {
	609	+ metasync_otto_limit_response_cache('DIVI_FIRST_RENDER_SKIP');
	610	+ }
	611	+ return false;
	612	+ }
	613	+ }
	614	+
519	615	# check if we have the route html (pass suggestions to avoid duplicate API call)
520	616	$route_html = $this->get_route_html($route, $cache_track_key, $suggestions);
521	617
522	618	# check that route html is valid
523	619	if(empty($route_html)){
	620	+ # Fetch failed / empty (e.g. SG Optimizer truncated the internal response) —
	621	+ # WordPress will serve the un-optimized page. Cap how long that copy may be
	622	+ # cached, using the same mechanism as the deliberate skips above rather than a
	623	+ # second, competing one: it reconciles existing directives, keeps logged-in
	624	+ # responses fully no-store, and never grants caching nothing had granted.
	625	+ if (function_exists('metasync_otto_limit_response_cache')) {
	626	+ metasync_otto_limit_response_cache('HTTP_FETCH_FAILED');
	627	+ }
524	628	return false;
525	629	}
526	630
527	631	$route_html_string = is_string($route_html) ? $route_html : $route_html->__toString();
528		-
	632	+
	633	+ # Detect incomplete Divi rendering in OTTO's HTTP render output.
	634	+ # OTTO's internal wp_remote_get runs in a different server context than the
	635	+ # normal page load. This can cause Divi to produce incomplete output:
	636	+ #
	637	+ # 1. Cold CSS cache: Divi outputs inline <style> blocks instead of external
	638	+ # <link> tags (TB CSS files not yet generated)
	639	+ # 2. Missing Google Fonts: Divi's font enqueue depends on request context
	640	+ # (cookies, headers) that differ in the internal fetch
	641	+ #
	642	+ # If OTTO serves this incomplete HTML via exit(), SG Optimizer caches it —
	643	+ # breaking CSS for all visitors until manual cache purge.
	644	+ #
	645	+ # Fix: skip OTTO for this request (return false), letting WordPress render
	646	+ # normally. This builds Divi's caches so the next OTTO request works correctly.
	647	+ #
	648	+ # Both checks below are self-resolving — the next render finds warm caches —
	649	+ # so the un-optimized copy served now gets a capped cache lifetime rather
	650	+ # than being pinned for a caching layer's full TTL.
	651	+ #
	652	+ # The remaining fail-open exits on this path are deliberately NOT capped.
	653	+ # They mean the site could not fetch its own page (blocked loopback request,
	654	+ # HTTP Basic Auth, a firewall rejecting the internal user-agent) or that the
	655	+ # document cannot be processed at all. Those are whole-site, permanent
	656	+ # conditions: OTTO cannot work on any page, so capping cache lifetime would
	657	+ # rescue nothing while moving the entire site's traffic to the origin.
	658	+ if (defined('ET_CORE_VERSION')) {
	659	+ # Check 1: Cold TB CSS cache (inline styles instead of external link)
	660	+ if (preg_match('/<style\s[^>]*id=["\']et-core-unified-tb-[^"\']*-cached-inline-styles["\']/', $route_html_string)) {
	661	+ if (function_exists('metasync_otto_limit_response_cache')) {
	662	+ metasync_otto_limit_response_cache('DIVI_COLD_CSS_CACHE');
	663	+ }
	664	+ return false;
	665	+ }
	666	+ # Check 2: Missing Google Fonts CSS (Divi enqueues this on every page)
	667	+ # Normal render has: <link ... id='et-builder-googlefonts-cached-css' ...>
	668	+ # or <link ... id='et-builder-googlefonts-css' ...>
	669	+ # If neither is present, the internal fetch didn't load fonts properly.
	670	+ if (strpos($route_html_string, 'et-builder-googlefonts') === false
	671	+ && strpos($route_html_string, 'fonts.googleapis.com') === false
	672	+ ) {
	673	+ if (function_exists('metasync_otto_limit_response_cache')) {
	674	+ metasync_otto_limit_response_cache('DIVI_MISSING_FONTS');
	675	+ }
	676	+ return false;
	677	+ }
	678	+ }
	679	+
529	680	if (strpos($route_html_string, 'pix-sliding-headline-2') !== false || strpos($route_html_string, 'pix-intro-sliding-text') !== false) {
530	681	# Only apply fix within sliding text contexts to avoid breaking other layouts
531	682	$route_html_string = preg_replace('#(</span></span>)(<span\s+class=["\'][^"\']*slide-in-container[^"\']*["\'][^>]*>)#i', '$1 $2', $route_html_string);
532	683	}
		@@ -566,12 +717,57 @@
566	717	$discarded_output = ob_get_clean();
567	718
568	719	}
569	720
	721	+ # If Divi's module-design CSS is missing from OTTO output,
	722	+ # fetch it directly and inject it. This handles the case where the
	723	+ # internal wp_remote_get response was truncated by SG Optimizer's parser.
	724	+ if (strpos($route_html_string, 'et-builder-module-design') === false
	725	+ && function_exists('et_theme_builder_decorate_page_resource_slug')
	726	+ && function_exists('et_core_page_resource_get')
	727	+ ) {
	728	+ # Try to get Divi's inline CSS from its page resource manager
	729	+ $post_id = get_the_ID();
	730	+ if ($post_id) {
	731	+ $resource_slug = et_theme_builder_decorate_page_resource_slug($post_id, 'module-design');
	732	+ $manager = et_core_page_resource_get('builder', $resource_slug, $post_id, 40);
	733	+ if ($manager && method_exists($manager, 'get_data')) {
	734	+ $css_data = $manager->get_data('inline');
	735	+ if (!empty($css_data)) {
	736	+ $style_tag = '<style id="et-builder-' . esc_attr($resource_slug) . '-cached-inline-styles">'
	737	+ . wp_strip_all_tags($css_data) . '</style>';
	738	+ $route_html_string = str_replace('</body>', $style_tag . "\n" . '</body>', $route_html_string);
	739	+ }
	740	+ }
	741	+ }
	742	+ }
	743	+
	744	+ # Decide cacheability from the internal fetch + the final output, then serve.
	745	+ # 1) Hand the visitor the session their page was built around (fixes forms that
	746	+ # were silently failing on the HTTP path because the fetch cookie was dropped).
	747	+ # 2) Block shared caching when the fetched page set a cookie, when its own render
	748	+ # declared itself uncacheable (PHP's session cache-limiter — true for resumed
	749	+ # sessions too), when the visitor carries cart/auth cookies that change the
	750	+ # rendered content, or when the render came back incomplete.
	751	+ # 3) A plain, complete page gets no cache header at all → the host finally caches
	752	+ # it (the SiteGround/Oxygen relief this ticket is about).
	753	+ Metasync_Otto_Render_Strategy::passthrough_http_fetch_cookies();
	754	+
	755	+ $must_not_cache =
	756	+ Metasync_Otto_Render_Strategy::http_fetch_had_cookie()
	757	+ || Metasync_Otto_Render_Strategy::http_fetch_no_cache()
	758	+ || Metasync_Otto_Render_Strategy::request_has_visitor_specific_cookie()
	759	+ || !Metasync_Otto_Render_Strategy::http_output_is_complete($route_html_string);
	760	+
570	761	# Send response headers
571	762	Metasync_Otto_Render_Strategy::send_headers($cache_status);
572	763
	764	+ if ($must_not_cache) {
	765	+ Metasync_Otto_Render_Strategy::block_http_cache();
	766	+ }
	767	+
573	768	# continue to render the html
	769	+ // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- server-rendered route HTML from the OTTO render strategy; escaping would corrupt the document
574	770	echo $route_html_string;
575	771
576	772	# prevent further wp execution
577	773	exit();
		@@ -576,5 +772,5 @@
576	772	# prevent further wp execution
577	773	exit();
578	774	}
579	775
580		-}
	776	+}