diff --git a/web/clitools/crawler.php b/web/clitools/crawler.php
index ad3e27b..e27b99e 100755
--- a/web/clitools/crawler.php
+++ b/web/clitools/crawler.php
@@ -400,6 +400,7 @@ function get_api($host, $path) {
 	global $opts;
 	$buf = @getfc('https://'.$host.$path,$opts['timeout']);
 	if ($buf['cont']!==false) {
+		ckratelimit($buf['headers']);
 		$data = json_decode($buf['cont'], true);
 		return $data;
 	} else {
@@ -646,18 +647,20 @@ while ($i<$cinsts) {
 	$tela=$now-$tini;
 	eecho(1,'working on «'.$host.'»; '.$i.'/'.$cinsts.'; '.$qok.' ok; '.$qgood.' good; '.round(100/$cinsts*$i).'%; elapsed time: '.ght($tela,null,0).'; estimated remaining time: '.ght($tela/$i*($cinsts-$beg)-$tela,null,0).'; mem.: '.ghs(memory_get_usage(true)).'; mem. peak: '.ghs(memory_get_peak_usage(true)).N);
 	if (willtrunc($host,'Instances','URI')) {
-		eecho(2,'ignoring «'.$host.'» because hostname is too long for the «URI» column of «Instances» table.'.N);
+		eecho(2,'«'.$host.'»: ignoring it because hostname is too long for the «URI» column of «Instances» table.'.N);
 	} else {
-		eecho(0,'trying to fetch instance info from API...'.N);
+		eecho(0,'«'.$host.'»: trying to fetch instance info from API...'.N);
 		$buf=@getfc('https://'.$host.'/api/v1/instance',$opts['timeout']);
 		if ($buf['cont']!==false) {
+			ckratelimit($buf['headers']);
 			$info=@json_decode($buf['cont'],true);
 			if (is_array($info)) {
-				eecho(1,'got instance info from API :-)'.N);
-				eecho(0,'trying to fetch instance info from nodeinfo...'.N);
+				eecho(1,'«'.$host.'»: got instance info from API :-)'.N);
+				eecho(0,'«'.$host.'»: trying to fetch instance info from nodeinfo...'.N);
 				$buf=@getfc('https://'.$host.'/nodeinfo/2.0.json',$opts['timeout']);
 				if ($buf['cont']!==false) {
-					eecho(1,'got instance info from nodeinfo :-)'.N);
+					//ckratelimit($buf['headers']);// no ckratelimit here because nodeinfo doesn't use it
+					eecho(1,'«'.$host.'»: got instance info from nodeinfo :-)'.N);
 					$info['x-nodeinfo']=json_decode($buf['cont'],true);
 					// we should keep an eye to new software names here, to decide if they are mastodon derivates...
 					if (isset($info['x-nodeinfo']['software']['name']) && !is_null($info['x-nodeinfo']['software']['name'])) {
@@ -672,35 +675,36 @@ while ($i<$cinsts) {
 						}
 					}
 				} else {
-					eecho(2,'could not fetch instance info from nodeinfo: '.$buf['emsg'].N);
+					eecho(2,'«'.$host.'»: could not fetch instance info from nodeinfo: '.$buf['emsg'].N);
 				}
 				if (array_key_exists('version',$info)) {
 					if ($info['version']>='2.1.2') {
-						eecho(0,'trying to fetch instance activity info from API...'.N);
+						eecho(0,'«'.$host.'»: trying to fetch instance activity info from API...'.N);
 						$buf=@getfc('https://'.$host.'/api/v1/instance/activity',$opts['timeout']);
 						if ($buf['cont']!==false) {
-							eecho(1,'got instance activity info from API :-)'.N);
+							ckratelimit($buf['headers']);
+							eecho(1,'«'.$host.'»: got instance activity info from API :-)'.N);
 							$info['x-activity']=json_decode($buf['cont'],true);
 						} else {
-							eecho(2,'could not fetch instance activity from API: '.$buf['emsg'].N);
+							eecho(2,'«'.$host.'»: could not fetch instance activity from API: '.$buf['emsg'].N);
 						}
 					}
 					if ($info['version']>='3.0.0') {
-						eecho(0,'trying to fetch instance trends info from API...'.N);
+						eecho(0,'«'.$host.'»: trying to fetch instance trends info from API...'.N);
 						$buf=@getfc('https://'.$host.'/api/v1/trends',$opts['timeout']);
 						if ($buf['cont']!==false) {
-							eecho(1,'got instance trends info from API :-)'.N);
+							ckratelimit($buf['headers']);
+							eecho(1,'«'.$host.'»: got instance trends info from API :-)'.N);
 							$info['x-trends']=json_decode($buf['cont'],true);
 						} else {
-							eecho(2,'could not fetch instance trends from API: '.$buf['emsg'].N);
+							eecho(2,'«'.$host.'»: could not fetch instance trends from API: '.$buf['emsg'].N);
 						}
 						if ($opts['fetchusers']) {
-							$users=[];// array of users in this instance's directory
-							$res=mysqli_query($link,'SELECT ID, locid, username, OptedOut FROM Users WHERE host=\''.myesc($link,$host).'\'')
-								or mexit(__LINE__.': '.mysqli_error($link).N,3);
 							$exusers=[];// array of this instance's users already existing in the db
+							$res=mysqli_query($link,'SELECT ID, locid, username FROM Users WHERE host=\''.myesc($link,$host).'\'') or mexit(__LINE__.': '.mysqli_error($link).N,3);
 							while ($row=mysqli_fetch_assoc($res)) $exusers[$row['locid']]=$row;
-							eecho(0,'trying to fetch users info from directory API...'.N);
+							$users=[];// array of users in this instance's directory
+							eecho(0,'«'.$host.'»: trying to fetch users info from directory API...'.N);
 							$chunk=0;
 							$limit=80;
 							$end=false;
@@ -709,7 +713,7 @@ while ($i<$cinsts) {
 								$buf=@getfc('https://'.$host.'/api/v1/directory?local=1&order=new&limit='.$limit.'&offset='.$offset,$opts['timeout']);
 								if ($buf['cont']!==false) {
 									ckratelimit($buf['headers']);
-									eecho(1,'got '.($chunk+1).' chunk(s) of users info from directory API :-)'.N);
+									eecho(1,'«'.$host.'»: got '.($chunk+1).' chunk(s) of users info from directory API :-)'.N);
 									$buf=@json_decode($buf['cont'],true);
 									if (is_array($buf)) {
 										//print_r($buf);
@@ -718,67 +722,84 @@ while ($i<$cinsts) {
 										foreach ($buf as $user) {
 											if (make(['id', 'username', 'display_name', 'locked', 'bot', 'discoverable', 'created_at', 'note', 'url', 'avatar', 'header', 'statuses_count', 'last_status_at', 'fields'], $user)) {
 												if (!isset($user['noindex'])) $user['noindex']=false;
+												$user['tags']=[];
+												if (!$user['noindex']) {
+													eecho(0,'«'.$host.'»: trying to fetch tags for user «'.$user['username'].'»...'.N);
+													$tags=@getfc('https://'.$host.'/api/v1/accounts/'.$user['id'].'/featured_tags',$opts['timeout']);
+													if ($tags['cont']!==false) {
+														ckratelimit($tags['headers']);
+														$tags=@json_decode($tags['cont'],true);
+														if (is_array($tags) && count($tags)>0) {
+															eecho(0,'«'.$host.'»: got '.count($tags).' tag(s) for user «'.$user['username'].'» :-)'.N);
+															foreach($tags as $tag) $user['tags'][]=$tag['name'];
+														}
+													} else {
+														eecho(2,'«'.$host.'»: could not fetch tags for user «'.$user['username'].'» :-( ('.$tags['emsg'].').'.N);
+													}
+												}
+												$user['tags']=implode(';',$user['tags']);
+												if ($user['tags']=='') $user['tags']=null;
 												if (!is_null($user['created_at'])) $user['created_at']=pgdatetomy($user['created_at']);
 												if (!is_null($user['last_status_at'])) $user['last_status_at']=datetomy($user['last_status_at']);
+												$users[$user['id']]=$user;
 											} else {
-												eecho(2,'user record missed some required keys :-('.N);
+												eecho(2,'«'.$host.'»: user record missed some required keys :-('.N);
 												//print_r($user);
 											}
 										}
 									} else {
-										eecho(2,'... but the chunk was not good JSON :-('.N);
+										eecho(2,'«'.$host.'»: ... but the chunk was not good JSON :-('.N);
 										$end=true;
 									}
 									$chunk++;
 								} else {
-									eecho(2,'could not fetch users info from directory API: '.$buf['emsg'].N);
+									eecho(2,'«'.$host.'»: could not fetch users info from directory API: '.$buf['emsg'].N);
 									$end=true;
 								}
 							}
 							foreach ($users as $locid=>$user) {
-								$query='host='.myv($link,$host).', locid='.myv($link,$user['id']).', username='.myv($link,$user['username']).', display_name='.myv($link,$user['display_name']).',  locked='.myv($link,$user['locked']).', bot='.myv($link,$user['bot']).', discoverable='.myv($link,$user['discoverable']).', created_at='.myv($link,$user['created_at']).', note='.myv($link,$user['note']).', url='.myv($link,$user['url']).', avatar='.myv($link,$user['avatar']).', header='.myv($link,$user['header']).', statuses_count='.myv($link,$user['statuses_count']).', last_status_at='.myv($link,$user['last_status_at']).', noindex='.myv($link,$user['noindex']).', OptedOut=NULL';
+								$query='SET host='.myv($link,$host).', locid='.myv($link,$user['id']).', username='.myv($link,$user['username']).', display_name='.myv($link,$user['display_name']).',  locked='.myv($link,$user['locked']).', bot='.myv($link,$user['bot']).', discoverable='.myv($link,$user['discoverable']).', created_at='.myv($link,$user['created_at']).', note='.myv($link,$user['note']).', url='.myv($link,$user['url']).', avatar='.myv($link,$user['avatar']).', header='.myv($link,$user['header']).', statuses_count='.myv($link,$user['statuses_count']).', last_status_at='.myv($link,$user['last_status_at']).', tags='.myv($link,$user['tags']);
+								$uid=0;
 								if (!array_key_exists($user['id'],$exusers)) {
 									if (!$user['noindex']) {
 										eecho(0,'«'.$host.'»: inserting new user «'.$user['username'].'»...'.N);
-										$query='INSERT INTO Users SET '.$query;
+										$query='INSERT INTO Users '.$query;
+										if (!$opts['dryrun']) {
+											mysqli_query($link,$query) or mexit(__LINE__.': '.mysqli_error($link).N,3);
+											$uid=mysqli_insert_id($link);
+										}
 									} else {
-										eecho(0,'«'.$host.'»: NOT inserting new user «'.$user['username'].'» because they set noindex...'.N);
+										eecho(0,'«'.$host.'»: NOT inserting user «'.$user['username'].'» because they set noindex...'.N);
 									}
 								} else {
+									$uid=$exusers[$locid]['ID'];
 									if (!$user['noindex']) {
-										/*$msg='«'.$host.'»: updating existing user «'.$user['username'].'» ('.$exusers[$locid]['ID'].')';
-										if (!is_null($exusers[$locid]['OptedOut'])) $msg.=' (who opted back into the directory)';
-										$msg.='...';
-										eecho(0,$msg.N);*/
-										eecho(0,'«'.$host.'»: updating existing user «'.$user['username'].'» ('.$exusers[$locid]['ID'].')...');
-										$query='UPDATE Users SET '.$query.' WHERE ID='.$exusers[$locid]['ID'];
+										eecho(0,'«'.$host.'»: updating existing user «'.$user['username'].'» ('.$uid.')...'.N);
+										$query='UPDATE Users '.$query.' WHERE ID='.$uid;
 									} else {
-										eecho(0,'«'.$host.'»: deleting existing user «'.$user['username'].'» ('.$exusers[$locid]['ID'].') because they set noindex...');
-										$query='DELETE FROM Users WHERE ID='.$exusers[$locid]['ID'];
+										eecho(0,'«'.$host.'»: deleting existing user «'.$user['username'].'» ('.$uid.') because they set noindex...'.N);
+										$query='DELETE FROM Users WHERE ID='.$uid;
+									}
+									if (!$opts['dryrun']) {
+										mysqli_query($link,$query) or mexit(__LINE__.': '.mysqli_error($link).N,3);
+										mysqli_query($link,'DELETE FROM UsersFields WHERE UserID='.$uid) or mexit(__LINE__.': '.mysqli_error($link).N,3);
 									}
 								}
-								if (!$opts['dryrun']) mysqli_query($link,$query)
-									or mexit(__LINE__.': '.mysqli_error($link).N,3);
-								$uid=mysqli_insert_id($link);
-								if ($uid==0) $uid=$exusers[$locid]['ID'];
-								if (!$opts['dryrun']) mysqli_query($link,'DELETE FROM UsersFields WHERE UserID='.$uid)
-									or mexit(__LINE__.': '.mysqli_error($link).N,3);
-								if (!$user['noindex'] && is_array($user['fields']) && count($user['fields'])>0) {
+								if ($uid!=0 && !$user['noindex'] && is_array($user['fields']) && count($user['fields'])>0) {
+									eecho(0,'«'.$host.'»: saving user fields for user «'.$user['username'].'» ('.$uid.')...'.N);
 									foreach ($user['fields'] as $field) {
 										(is_null($field['verified_at'])) ? $field['verified_at']=0 : $field['verified_at']=1;
-										if (!$opts['dryrun']) mysqli_query($link,'INSERT INTO UsersFields SET UserID='.$uid.', name='.myv($link,$field['name']).', value='.myv($link,$field['value']).', verified='.$field['verified_at'])
-											or mexit(__LINE__.': '.mysqli_error($link).N,3);
+										if (!$opts['dryrun']) mysqli_query($link,'INSERT INTO UsersFields SET UserID='.$uid.', name='.myv($link,$field['name']).', value='.myv($link,$field['value']).', verified='.$field['verified_at']) or mexit(__LINE__.': '.mysqli_error($link).N,3);
 									}
 								}
 							}
 							foreach ($exusers as $locid=>$exuser) {
 								if (!array_key_exists($locid,$users)) {
-									/*eecho(0,'«'.$host.'»: user «'.$exusers[$locid]['username'].'» opted out of the directory, updating their record ('.$exuser['ID'].')...'.N);
-									$query='UPDATE Users SET OptedOut='.$now.' WHERE ID='.$exuser['ID'];*/
 									eecho(0,'«'.$host.'»: user «'.$exusers[$locid]['username'].'» opted out of the directory, deleting their record ('.$exuser['ID'].')...'.N);
-									$query='DELETE FROM Users WHERE ID='.$exuser['ID'];
-									if (!$opts['dryrun']) mysqli_query($link,$query)
-										or mexit(__LINE__.': '.mysqli_error($link).N,3);
+									if (!$opts['dryrun']) {
+										mysqli_query($link,'DELETE FROM Users WHERE ID='.$exuser['ID']) or mexit(__LINE__.': '.mysqli_error($link).N,3);
+										mysqli_query($link,'DELETE FROM UsersFields WHERE UserID='.$exuser['ID']) or mexit(__LINE__.': '.mysqli_error($link).N,3);
+									}
 								}
 							}
 						}
@@ -786,11 +807,11 @@ while ($i<$cinsts) {
 				}
 			} else {
 				$instans=false;
-				eecho(2,'fetched data were not good JSON.'.N);
+				eecho(2,'«'.$host.'»: fetched data were not good JSON.'.N);
 			}
 		} else {
 			$instans=false;
-			eecho(2,'could not fetch instance info from API: '.$buf['emsg'].N);
+			eecho(2,'«'.$host.'»: could not fetch instance info from API: '.$buf['emsg'].N);
 		}
 		if (!isset($info['uri']) || preg_match('#^\s*$#',$info['uri'])===1)
 			$instans=false;
@@ -805,7 +826,7 @@ while ($i<$cinsts) {
 				or mexit(__LINE__.': '.mysqli_error($link).N,3);
 			$nrows=mysqli_num_rows($res);
 			if ($nrows==1) {
-				eecho(1,'«'.$host.'» didn’t respond, but it is present in the database; updating InstChecks, Instances.LastCheckOk and possibly Instances.New and Instances.Dead.'.N);
+				eecho(1,'«'.$host.'»: didn’t respond, but it is present in the database; updating InstChecks, Instances.LastCheckOk and possibly Instances.New and Instances.Dead.'.N);
 				$row=mysqli_fetch_assoc($res);
 				if (!$opts['dryrun']) mysqli_query($link,'INSERT INTO InstChecks (InstID, Time, Status) VALUES ('.$row['ID'].', '.$now.', 0)')
 					or mexit(__LINE__.': '.mysqli_error($link).N,3);
@@ -831,12 +852,12 @@ while ($i<$cinsts) {
 						notify('Instance «<a href="viewinst.php?id='.$row['ID'].'">'.$row['URI'].'</a>» is dead!',2);
 					}
 				} else {
-					eecho(2,'«'.$host.'» exists in the database but there’s no data about it in InstChecks! I’ll remedy.'.N);
+					eecho(2,'«'.$host.'»: exists in the database but there’s no data about it in InstChecks! I’ll remedy.'.N);
 					if (!$opts['dryrun']) mysqli_query($link,'INSERT INTO InstChecks SET InstID='.$row['ID'].', Time='.$now.', Status=0')
 						or mexit(__LINE__.': '.mysqli_error($link).N,3);
 				}
 			} elseif ($nrows==0) {
-				eecho(1,'«'.$host.'» doesn’t respond and is not in the database, adding it.'.N);
+				eecho(1,'«'.$host.'»: doesn’t respond and is not in the database, adding it.'.N);
 				// "New=0" and "FirstSeen=NULL" because it's not new and not seen until it responds for the first time
 				if (!$opts['dryrun']) {
 					mysqli_query($link,'INSERT INTO Instances SET FirstSeen=NULL, New=0, Good=0, Chosen=0, Visible=0, Noxious=0, URI=\''.myesc($link,$host).'\', LastCheckOk=0') or mexit(__LINE__.': '.mysqli_error($link).N,3);
@@ -950,10 +971,10 @@ while ($i<$cinsts) {
 			}
 			if (count($whynot)==0) {
 				$instrow['Good']=1;
-				eecho(1,'this is a suitable instance! :-)'.N);
+				eecho(1,'«'.$host.'»: this is a suitable instance! :-)'.N);
 				$qgood++;
 			} else {
-				eecho(1,'This is not a suitable instance: '.implode('; ',$whynot).' :-('.N);
+				eecho(1,'«'.$host.'»: this is not a suitable instance: '.implode('; ',$whynot).' :-('.N);
 			}
 
 			$res=mysqli_query($link,'SELECT * FROM Instances WHERE URI=\''.myesc($link,$instrow['URI']).'\'')
@@ -961,7 +982,7 @@ while ($i<$cinsts) {
 
 			$nrows=mysqli_num_rows($res);
 			if ($nrows==1) {
-				eecho(1,'«'.$instrow['URI'].'» is already present in the database, updating it...'.N);
+				eecho(1,'«'.$instrow['URI'].'»: is already present in the database, updating it...'.N);
 				$oldinstrow=mysqli_fetch_assoc($res);
 				$instid=$oldinstrow['ID'];
 				$instrow['ID']=$oldinstrow['ID'];
@@ -1009,7 +1030,7 @@ while ($i<$cinsts) {
 						$query.=$field.'=NULL, ';
 				}
 				$query=substr($query,0,-2).' WHERE Instances.ID='.$instrow['ID'];
-				eecho(1,'Update query: «'.$query.'».'.N);
+				eecho(1,'«'.$host.'»: update query: «'.$query.'».'.N);
 				if (!$opts['dryrun']) mysqli_query($link,$query)
 					or mexit(__LINE__.': '.mysqli_error($link).N,3);
 
@@ -1064,7 +1085,7 @@ while ($i<$cinsts) {
 				}
 				$values=substr($values,0,-2);
 				$query='INSERT INTO Instances ('.implode(', ',$fields).') VALUES ('.$values.')';
-				eecho(1,'Insert query: «'.$query.'»'.N);
+				eecho(1,'«'.$host.'»: insert query: «'.$query.'»'.N);
 				if (!$opts['dryrun']) {
 					mysqli_query($link,$query) or mexit(__LINE__.': '.mysqli_error($link).N,3);
 					$instid=mysqli_insert_id($link);
@@ -1196,9 +1217,8 @@ function ckratelimit($httpresphead,$verbose=false) {
 	array_shift($headers);
 	foreach ($headers as $header)
 		if (preg_match('/^([^:]+):(.*)$/Uu',$header,$matches)===1)
-			$buff[$matches[1]]=trim($matches[2]);
+			$buff[strtolower($matches[1])]=trim($matches[2]);
 	$headers=$buff;
-	//print_r($headers);
 	if (array_key_exists('x-ratelimit-reset',$headers)) {
 		//Wed, 30 Mar 2022 21:27:22 GMT
 		$srvnow=strtotime($headers['date']);