diff --git a/src/base/bittorrent/magneturi.cpp b/src/base/bittorrent/magneturi.cpp
index cff9bb6cf..c098431dd 100644
--- a/src/base/bittorrent/magneturi.cpp
+++ b/src/base/bittorrent/magneturi.cpp
@@ -76,6 +76,7 @@ MagnetUri::MagnetUri(const QString &source)
     m_hash = m_addTorrentParams.info_hash;
     m_name = QString::fromStdString(m_addTorrentParams.name);
 
+    m_trackers.reserve(m_addTorrentParams.trackers.size());
     for (const std::string &tracker : m_addTorrentParams.trackers)
         m_trackers.append(lt::announce_entry {tracker});
 
@@ -98,7 +99,7 @@ QString MagnetUri::name() const
     return m_name;
 }
 
-QList<TrackerEntry> MagnetUri::trackers() const
+QVector<TrackerEntry> MagnetUri::trackers() const
 {
     return m_trackers;
 }
diff --git a/src/base/bittorrent/magneturi.h b/src/base/bittorrent/magneturi.h
index f82dfc8d6..dea6d81b1 100644
--- a/src/base/bittorrent/magneturi.h
+++ b/src/base/bittorrent/magneturi.h
@@ -33,6 +33,7 @@
 
 #include <QList>
 #include <QString>
+#include <QVector>
 
 #include "infohash.h"
 #include "trackerentry.h"
@@ -49,7 +50,7 @@ namespace BitTorrent
         bool isValid() const;
         InfoHash hash() const;
         QString name() const;
-        QList<TrackerEntry> trackers() const;
+        QVector<TrackerEntry> trackers() const;
         QList<QUrl> urlSeeds() const;
         QString url() const;
 
@@ -60,7 +61,7 @@ namespace BitTorrent
         QString m_url;
         InfoHash m_hash;
         QString m_name;
-        QList<TrackerEntry> m_trackers;
+        QVector<TrackerEntry> m_trackers;
         QList<QUrl> m_urlSeeds;
         lt::add_torrent_params m_addTorrentParams;
     };
diff --git a/src/base/bittorrent/session.cpp b/src/base/bittorrent/session.cpp
index 184c2dbae..c8ff8711b 100644
--- a/src/base/bittorrent/session.cpp
+++ b/src/base/bittorrent/session.cpp
@@ -3336,7 +3336,7 @@ void Session::handleTorrentSavingModeChanged(TorrentHandle *const torrent)
     emit torrentSavingModeChanged(torrent);
 }
 
-void Session::handleTorrentTrackersAdded(TorrentHandle *const torrent, const QList<TrackerEntry> &newTrackers)
+void Session::handleTorrentTrackersAdded(TorrentHandle *const torrent, const QVector<TrackerEntry> &newTrackers)
 {
     saveTorrentResumeData(torrent);
 
@@ -3348,7 +3348,7 @@ void Session::handleTorrentTrackersAdded(TorrentHandle *const torrent, const QLi
     emit trackersChanged(torrent);
 }
 
-void Session::handleTorrentTrackersRemoved(TorrentHandle *const torrent, const QList<TrackerEntry> &deletedTrackers)
+void Session::handleTorrentTrackersRemoved(TorrentHandle *const torrent, const QVector<TrackerEntry> &deletedTrackers)
 {
     saveTorrentResumeData(torrent);
 
diff --git a/src/base/bittorrent/session.h b/src/base/bittorrent/session.h
index 65a540414..8fff70235 100644
--- a/src/base/bittorrent/session.h
+++ b/src/base/bittorrent/session.h
@@ -436,8 +436,8 @@ namespace BitTorrent
         void handleTorrentResumed(TorrentHandle *const torrent);
         void handleTorrentChecked(TorrentHandle *const torrent);
         void handleTorrentFinished(TorrentHandle *const torrent);
-        void handleTorrentTrackersAdded(TorrentHandle *const torrent, const QList<TrackerEntry> &newTrackers);
-        void handleTorrentTrackersRemoved(TorrentHandle *const torrent, const QList<TrackerEntry> &deletedTrackers);
+        void handleTorrentTrackersAdded(TorrentHandle *const torrent, const QVector<TrackerEntry> &newTrackers);
+        void handleTorrentTrackersRemoved(TorrentHandle *const torrent, const QVector<TrackerEntry> &deletedTrackers);
         void handleTorrentTrackersChanged(TorrentHandle *const torrent);
         void handleTorrentUrlSeedsAdded(TorrentHandle *const torrent, const QList<QUrl> &newUrlSeeds);
         void handleTorrentUrlSeedsRemoved(TorrentHandle *const torrent, const QList<QUrl> &urlSeeds);
@@ -474,8 +474,8 @@ namespace BitTorrent
         void recursiveTorrentDownloadPossible(BitTorrent::TorrentHandle *const torrent);
         void speedLimitModeChanged(bool alternative);
         void IPFilterParsed(bool error, int ruleCount);
-        void trackersAdded(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers);
-        void trackersRemoved(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers);
+        void trackersAdded(BitTorrent::TorrentHandle *const torrent, const QVector<BitTorrent::TrackerEntry> &trackers);
+        void trackersRemoved(BitTorrent::TorrentHandle *const torrent, const QVector<BitTorrent::TrackerEntry> &trackers);
         void trackersChanged(BitTorrent::TorrentHandle *const torrent);
         void trackerlessStateChanged(BitTorrent::TorrentHandle *const torrent, bool trackerless);
         void downloadFromUrlFailed(const QString &url, const QString &reason);
@@ -669,7 +669,7 @@ namespace BitTorrent
 
         int m_numResumeData;
         int m_extraLimit;
-        QList<BitTorrent::TrackerEntry> m_additionalTrackerList;
+        QVector<BitTorrent::TrackerEntry> m_additionalTrackerList;
         QString m_resumeFolderPath;
         QFile m_resumeFolderLock;
         bool m_useProxy;
diff --git a/src/base/bittorrent/torrenthandle.cpp b/src/base/bittorrent/torrenthandle.cpp
index 36be7b90c..6466be288 100644
--- a/src/base/bittorrent/torrenthandle.cpp
+++ b/src/base/bittorrent/torrenthandle.cpp
@@ -386,14 +386,14 @@ void TorrentHandle::setAutoManaged(const bool enable)
 #endif
 }
 
-QList<TrackerEntry> TorrentHandle::trackers() const
+QVector<TrackerEntry> TorrentHandle::trackers() const
 {
-    QList<TrackerEntry> entries;
     const std::vector<lt::announce_entry> announces = m_nativeHandle.trackers();
 
+    QVector<TrackerEntry> entries;
+    entries.reserve(announces.size());
     for (const lt::announce_entry &tracker : announces)
         entries << tracker;
-
     return entries;
 }
 
@@ -402,51 +402,53 @@ QHash<QString, TrackerInfo> TorrentHandle::trackerInfos() const
     return m_trackerInfos;
 }
 
-void TorrentHandle::addTrackers(const QList<TrackerEntry> &trackers)
+void TorrentHandle::addTrackers(const QVector<TrackerEntry> &trackers)
 {
-    QList<TrackerEntry> addedTrackers;
+    const QVector<TrackerEntry> currentTrackers = this->trackers();
+
+    QVector<TrackerEntry> newTrackers;
+    newTrackers.reserve(trackers.size());
+
     for (const TrackerEntry &tracker : trackers) {
-        if (addTracker(tracker))
-            addedTrackers << tracker;
+        if (!currentTrackers.contains(tracker)) {
+            m_nativeHandle.add_tracker(tracker.nativeEntry());
+            newTrackers << tracker;
+        }
     }
 
-    if (!addedTrackers.isEmpty())
-        m_session->handleTorrentTrackersAdded(this, addedTrackers);
+    if (!newTrackers.isEmpty())
+        m_session->handleTorrentTrackersAdded(this, newTrackers);
 }
 
-void TorrentHandle::replaceTrackers(const QList<TrackerEntry> &trackers)
+void TorrentHandle::replaceTrackers(const QVector<TrackerEntry> &trackers)
 {
-    QList<TrackerEntry> existingTrackers = this->trackers();
-    QList<TrackerEntry> addedTrackers;
+    QVector<TrackerEntry> currentTrackers = this->trackers();
+
+    QVector<TrackerEntry> newTrackers;
+    newTrackers.reserve(trackers.size());
 
     std::vector<lt::announce_entry> announces;
+
     for (const TrackerEntry &tracker : trackers) {
-        announces.push_back(tracker.nativeEntry());
-        if (!existingTrackers.contains(tracker))
-            addedTrackers << tracker;
-        else
-            existingTrackers.removeOne(tracker);
+        announces.emplace_back(tracker.nativeEntry());
+
+        if (!currentTrackers.removeOne(tracker))
+            newTrackers << tracker;
     }
 
     m_nativeHandle.replace_trackers(announces);
-    if (addedTrackers.isEmpty() && existingTrackers.isEmpty()) {
+
+    if (newTrackers.isEmpty() && currentTrackers.isEmpty()) {
+        // when existing tracker reorders
         m_session->handleTorrentTrackersChanged(this);
     }
     else {
-        if (!existingTrackers.isEmpty())
-            m_session->handleTorrentTrackersRemoved(this, existingTrackers);
-        if (!addedTrackers.isEmpty())
-            m_session->handleTorrentTrackersAdded(this, addedTrackers);
-    }
-}
-
-bool TorrentHandle::addTracker(const TrackerEntry &tracker)
-{
-    if (trackers().contains(tracker))
-        return false;
+        if (!currentTrackers.isEmpty())
+            m_session->handleTorrentTrackersRemoved(this, currentTrackers);
 
-    m_nativeHandle.add_tracker(tracker.nativeEntry());
-    return true;
+        if (!newTrackers.isEmpty())
+            m_session->handleTorrentTrackersAdded(this, newTrackers);
+    }
 }
 
 QList<QUrl> TorrentHandle::urlSeeds() const
diff --git a/src/base/bittorrent/torrenthandle.h b/src/base/bittorrent/torrenthandle.h
index 14a218965..4ca151a34 100644
--- a/src/base/bittorrent/torrenthandle.h
+++ b/src/base/bittorrent/torrenthandle.h
@@ -37,6 +37,7 @@
 #include <libtorrent/torrent_status.hpp>
 
 #include <QHash>
+#include <QList>
 #include <QObject>
 #include <QQueue>
 #include <QSet>
@@ -260,7 +261,7 @@ namespace BitTorrent
         bool hasError() const;
         bool hasFilteredPieces() const;
         int queuePosition() const;
-        QList<TrackerEntry> trackers() const;
+        QVector<TrackerEntry> trackers() const;
         QHash<QString, TrackerInfo> trackerInfos() const;
         QList<QUrl> urlSeeds() const;
         QString error() const;
@@ -323,8 +324,8 @@ namespace BitTorrent
         void setDownloadLimit(int limit);
         void setSuperSeeding(bool enable);
         void flushCache();
-        void addTrackers(const QList<TrackerEntry> &trackers);
-        void replaceTrackers(const QList<TrackerEntry> &trackers);
+        void addTrackers(const QVector<TrackerEntry> &trackers);
+        void replaceTrackers(const QVector<TrackerEntry> &trackers);
         void addUrlSeeds(const QList<QUrl> &urlSeeds);
         void removeUrlSeeds(const QList<QUrl> &urlSeeds);
         bool connectPeer(const PeerAddress &peerAddress);
@@ -388,7 +389,6 @@ namespace BitTorrent
         void move_impl(QString path, bool overwrite);
         void moveStorage(const QString &newPath, bool overwrite);
         void manageIncompleteFiles();
-        bool addTracker(const TrackerEntry &tracker);
         bool addUrlSeed(const QUrl &urlSeed);
         bool removeUrlSeed(const QUrl &urlSeed);
         void setFirstLastPiecePriorityImpl(bool enabled, const QVector<DownloadPriority> &updatedFilePrio = {});
diff --git a/src/base/bittorrent/torrentinfo.cpp b/src/base/bittorrent/torrentinfo.cpp
index 9a88c0ae6..5fa593b80 100644
--- a/src/base/bittorrent/torrentinfo.cpp
+++ b/src/base/bittorrent/torrentinfo.cpp
@@ -264,15 +264,18 @@ qlonglong TorrentInfo::fileOffset(const int index) const
     return m_nativeInfo->files().file_offset(LTFileIndex {index});
 }
 
-QList<TrackerEntry> TorrentInfo::trackers() const
+QVector<TrackerEntry> TorrentInfo::trackers() const
 {
     if (!isValid()) return {};
 
-    QList<TrackerEntry> trackers;
-    for (const lt::announce_entry &tracker : m_nativeInfo->trackers())
-        trackers.append(tracker);
+    const std::vector<lt::announce_entry> trackers = m_nativeInfo->trackers();
 
-    return trackers;
+    QVector<TrackerEntry> ret;
+    ret.reserve(trackers.size());
+
+    for (const lt::announce_entry &tracker : trackers)
+        ret.append(tracker);
+    return ret;
 }
 
 QList<QUrl> TorrentInfo::urlSeeds() const
diff --git a/src/base/bittorrent/torrentinfo.h b/src/base/bittorrent/torrentinfo.h
index f06f64765..3b60560e8 100644
--- a/src/base/bittorrent/torrentinfo.h
+++ b/src/base/bittorrent/torrentinfo.h
@@ -88,7 +88,7 @@ namespace BitTorrent
         QString origFilePath(int index) const;
         qlonglong fileSize(int index) const;
         qlonglong fileOffset(int index) const;
-        QList<TrackerEntry> trackers() const;
+        QVector<TrackerEntry> trackers() const;
         QList<QUrl> urlSeeds() const;
         QByteArray metadata() const;
         QStringList filesForPiece(int pieceIndex) const;
diff --git a/src/base/bittorrent/trackerentry.h b/src/base/bittorrent/trackerentry.h
index e99389cf8..7ad69bb7e 100644
--- a/src/base/bittorrent/trackerentry.h
+++ b/src/base/bittorrent/trackerentry.h
@@ -47,6 +47,7 @@ namespace BitTorrent
             NotWorking = 4
         };
 
+        TrackerEntry() = default;
         TrackerEntry(const QString &url);
         TrackerEntry(const lt::announce_entry &nativeEntry);
         TrackerEntry(const TrackerEntry &other) = default;
diff --git a/src/gui/properties/trackerlistwidget.cpp b/src/gui/properties/trackerlistwidget.cpp
index 3ff949bd1..34d732dae 100644
--- a/src/gui/properties/trackerlistwidget.cpp
+++ b/src/gui/properties/trackerlistwidget.cpp
@@ -184,9 +184,10 @@ void TrackerListWidget::moveSelectionUp()
 
     setSelectionModel(selection);
     // Update torrent trackers
-    QList<BitTorrent::TrackerEntry> trackers;
+    QVector<BitTorrent::TrackerEntry> trackers;
+    trackers.reserve(topLevelItemCount());
     for (int i = NB_STICKY_ITEM; i < topLevelItemCount(); ++i) {
-        QString trackerURL = topLevelItem(i)->data(COL_URL, Qt::DisplayRole).toString();
+        const QString trackerURL = topLevelItem(i)->data(COL_URL, Qt::DisplayRole).toString();
         BitTorrent::TrackerEntry e(trackerURL);
         e.setTier(i - NB_STICKY_ITEM);
         trackers.append(e);
@@ -225,9 +226,10 @@ void TrackerListWidget::moveSelectionDown()
 
     setSelectionModel(selection);
     // Update torrent trackers
-    QList<BitTorrent::TrackerEntry> trackers;
+    QVector<BitTorrent::TrackerEntry> trackers;
+    trackers.reserve(topLevelItemCount());
     for (int i = NB_STICKY_ITEM; i < topLevelItemCount(); ++i) {
-        QString trackerURL = topLevelItem(i)->data(COL_URL, Qt::DisplayRole).toString();
+        const QString trackerURL = topLevelItem(i)->data(COL_URL, Qt::DisplayRole).toString();
         BitTorrent::TrackerEntry e(trackerURL);
         e.setTier(i - NB_STICKY_ITEM);
         trackers.append(e);
@@ -388,7 +390,7 @@ void TrackerListWidget::askForTrackers()
     BitTorrent::TorrentHandle *const torrent = m_properties->getCurrentTorrent();
     if (!torrent) return;
 
-    QList<BitTorrent::TrackerEntry> trackers;
+    QVector<BitTorrent::TrackerEntry> trackers;
     for (const QString &tracker : asConst(TrackersAdditionDialog::askForTrackers(this, torrent)))
         trackers << tracker;
 
@@ -430,14 +432,17 @@ void TrackerListWidget::deleteSelectedTrackers()
     }
 
     // Iterate over the trackers and remove the selected ones
-    QList<BitTorrent::TrackerEntry> remainingTrackers;
-    const QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    const QVector<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    QVector<BitTorrent::TrackerEntry> remainingTrackers;
+    remainingTrackers.reserve(trackers.size());
+
     for (const BitTorrent::TrackerEntry &entry : trackers) {
         if (!urlsToRemove.contains(entry.url()))
             remainingTrackers.push_back(entry);
     }
 
     torrent->replaceTrackers(remainingTrackers);
+
     if (!torrent->isPaused())
         torrent->forceReannounce();
 }
@@ -451,10 +456,10 @@ void TrackerListWidget::editSelectedTracker()
     if (selectedTrackerItems.isEmpty()) return;
 
     // During multi-select only process item selected last
-    QUrl trackerURL = selectedTrackerItems.last()->text(COL_URL);
+    const QUrl trackerURL = selectedTrackerItems.last()->text(COL_URL);
 
     bool ok;
-    QUrl newTrackerURL = AutoExpandableDialog::getText(this, tr("Tracker editing"), tr("Tracker URL:"),
+    const QUrl newTrackerURL = AutoExpandableDialog::getText(this, tr("Tracker editing"), tr("Tracker URL:"),
                                                          QLineEdit::Normal, trackerURL.toString(), &ok).trimmed();
     if (!ok) return;
 
@@ -464,23 +469,24 @@ void TrackerListWidget::editSelectedTracker()
     }
     if (newTrackerURL == trackerURL) return;
 
-    QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    QVector<BitTorrent::TrackerEntry> trackers = torrent->trackers();
     bool match = false;
-    for (auto &entry : trackers) {
+    for (BitTorrent::TrackerEntry &entry : trackers) {
         if (newTrackerURL == QUrl(entry.url())) {
             QMessageBox::warning(this, tr("Tracker editing failed"), tr("The tracker URL already exists."));
             return;
         }
 
-        if (trackerURL == QUrl(entry.url()) && !match) {
+        if (!match && (trackerURL == QUrl(entry.url()))) {
+            match = true;
             BitTorrent::TrackerEntry newEntry(newTrackerURL.toString());
             newEntry.setTier(entry.tier());
-            match = true;
             entry = newEntry;
         }
     }
 
     torrent->replaceTrackers(trackers);
+
     if (!torrent->isPaused())
         torrent->forceReannounce();
 }
@@ -493,7 +499,7 @@ void TrackerListWidget::reannounceSelected()
     BitTorrent::TorrentHandle *const torrent = m_properties->getCurrentTorrent();
     if (!torrent) return;
 
-    QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    const QVector<BitTorrent::TrackerEntry> trackers = torrent->trackers();
 
     for (const QTreeWidgetItem *item : selItems) {
         // DHT case
diff --git a/src/gui/properties/trackersadditiondialog.cpp b/src/gui/properties/trackersadditiondialog.cpp
index d06d700d2..d57c728f4 100644
--- a/src/gui/properties/trackersadditiondialog.cpp
+++ b/src/gui/properties/trackersadditiondialog.cpp
@@ -89,12 +89,11 @@ void TrackersAdditionDialog::torrentListDownloadFinished(const Net::DownloadResu
         return;
     }
 
-    // Load from torrent handle
-    QList<BitTorrent::TrackerEntry> existingTrackers = m_torrent->trackers();
-    // Load from current user list
-    const QStringList tmp = m_ui->textEditTrackersList->toPlainText().split('\n');
-    for (const QString &userURL : tmp) {
-        BitTorrent::TrackerEntry userTracker(userURL);
+    const QStringList trackersFromUser = m_ui->textEditTrackersList->toPlainText().split('\n');
+    QVector<BitTorrent::TrackerEntry> existingTrackers = m_torrent->trackers();
+    existingTrackers.reserve(trackersFromUser.size());
+    for (const QString &userURL : trackersFromUser) {
+        const BitTorrent::TrackerEntry userTracker(userURL);
         if (!existingTrackers.contains(userTracker))
             existingTrackers << userTracker;
     }
diff --git a/src/gui/transferlistfilterswidget.cpp b/src/gui/transferlistfilterswidget.cpp
index a75934ed1..13055cdf8 100644
--- a/src/gui/transferlistfilterswidget.cpp
+++ b/src/gui/transferlistfilterswidget.cpp
@@ -474,7 +474,7 @@ void TrackerFiltersList::applyFilter(int row)
 void TrackerFiltersList::handleNewTorrent(BitTorrent::TorrentHandle *const torrent)
 {
     QString hash = torrent->hash();
-    const QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    const QVector<BitTorrent::TrackerEntry> trackers = torrent->trackers();
     for (const BitTorrent::TrackerEntry &tracker : trackers)
         addItem(tracker.url(), hash);
 
@@ -488,7 +488,7 @@ void TrackerFiltersList::handleNewTorrent(BitTorrent::TorrentHandle *const torre
 void TrackerFiltersList::torrentAboutToBeDeleted(BitTorrent::TorrentHandle *const torrent)
 {
     QString hash = torrent->hash();
-    const QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    const QVector<BitTorrent::TrackerEntry> trackers = torrent->trackers();
     for (const BitTorrent::TrackerEntry &tracker : trackers)
         removeItem(tracker.url(), hash);
 
@@ -647,13 +647,13 @@ void TransferListFiltersWidget::setDownloadTrackerFavicon(bool value)
     m_trackerFilters->setDownloadTrackerFavicon(value);
 }
 
-void TransferListFiltersWidget::addTrackers(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers)
+void TransferListFiltersWidget::addTrackers(BitTorrent::TorrentHandle *const torrent, const QVector<BitTorrent::TrackerEntry> &trackers)
 {
     for (const BitTorrent::TrackerEntry &tracker : trackers)
         m_trackerFilters->addItem(tracker.url(), torrent->hash());
 }
 
-void TransferListFiltersWidget::removeTrackers(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers)
+void TransferListFiltersWidget::removeTrackers(BitTorrent::TorrentHandle *const torrent, const QVector<BitTorrent::TrackerEntry> &trackers)
 {
     for (const BitTorrent::TrackerEntry &tracker : trackers)
         m_trackerFilters->removeItem(tracker.url(), torrent->hash());
diff --git a/src/gui/transferlistfilterswidget.h b/src/gui/transferlistfilterswidget.h
index 08ea067c9..ce054b531 100644
--- a/src/gui/transferlistfilterswidget.h
+++ b/src/gui/transferlistfilterswidget.h
@@ -148,8 +148,8 @@ public:
     void setDownloadTrackerFavicon(bool value);
 
 public slots:
-    void addTrackers(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers);
-    void removeTrackers(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers);
+    void addTrackers(BitTorrent::TorrentHandle *const torrent, const QVector<BitTorrent::TrackerEntry> &trackers);
+    void removeTrackers(BitTorrent::TorrentHandle *const torrent, const QVector<BitTorrent::TrackerEntry> &trackers);
     void changeTrackerless(BitTorrent::TorrentHandle *const torrent, bool trackerless);
     void trackerSuccess(BitTorrent::TorrentHandle *const torrent, const QString &tracker);
     void trackerWarning(BitTorrent::TorrentHandle *const torrent, const QString &tracker);
diff --git a/src/webui/api/torrentscontroller.cpp b/src/webui/api/torrentscontroller.cpp
index f1bf47825..48d42bb22 100644
--- a/src/webui/api/torrentscontroller.cpp
+++ b/src/webui/api/torrentscontroller.cpp
@@ -604,7 +604,7 @@ void TorrentsController::addTrackersAction()
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
-    QList<BitTorrent::TrackerEntry> trackers;
+    QVector<BitTorrent::TrackerEntry> trackers;
     for (const QString &urlStr : asConst(params()["urls"].split('\n'))) {
         const QUrl url {urlStr.trimmed()};
         if (url.isValid())
@@ -632,7 +632,7 @@ void TorrentsController::editTrackerAction()
     if (!newTrackerUrl.isValid())
         throw APIError(APIErrorType::BadParams, "New tracker URL is invalid");
 
-    QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    QVector<BitTorrent::TrackerEntry> trackers = torrent->trackers();
     bool match = false;
     for (BitTorrent::TrackerEntry &tracker : trackers) {
         const QUrl trackerUrl(tracker.url());
@@ -649,6 +649,7 @@ void TorrentsController::editTrackerAction()
         throw APIError(APIErrorType::Conflict, "Tracker not found");
 
     torrent->replaceTrackers(trackers);
+
     if (!torrent->isPaused())
         torrent->forceReannounce();
 }
@@ -664,8 +665,9 @@ void TorrentsController::removeTrackersAction()
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
-    QList<BitTorrent::TrackerEntry> remainingTrackers;
-    const QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    const QVector<BitTorrent::TrackerEntry> trackers = torrent->trackers();
+    QVector<BitTorrent::TrackerEntry> remainingTrackers;
+    remainingTrackers.reserve(trackers.size());
     for (const BitTorrent::TrackerEntry &entry : trackers) {
         if (!urls.contains(entry.url()))
             remainingTrackers.push_back(entry);
@@ -675,6 +677,7 @@ void TorrentsController::removeTrackersAction()
         throw APIError(APIErrorType::Conflict, "No trackers were removed");
 
     torrent->replaceTrackers(remainingTrackers);
+
     if (!torrent->isPaused())
         torrent->forceReannounce();
 }