What’s actually slowing this PC down?
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If a website breaks in Vivaldi on your iPhone or iPad, open that page, tap the content blocker control to the left of the address bar, choose No Blocking, and reload. If the page works, blocking is involved; restore the strongest site-specific setting that still lets it work rather than changing protection for every site.
Test whether Vivaldi’s blocker is causing the problem
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Open the affected page in Vivaldi for iOS.
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Tap the content blocker control on the left side of the address bar.
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Select No Blocking, then reload the page. Vivaldi recommends disabling blockers as a troubleshooting test when blocked elements may affect site functionality. Vivaldi’s iOS blocker guide explains the available choices.
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If the site now works, that is evidence that blocking is involved, but it does not identify the particular rule or request that caused the failure. If it still does not work, continue with the other checks below.
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Choose the least restrictive setting that works
Vivaldi offers three blocking levels. Test the middle option after the diagnostic check, and keep the strongest protection that leaves the site functional.
| Setting | What it does in this troubleshooting process | When to use it |
|---|---|---|
| No Blocking | Turns off tracker and ad blocking for the site. | Use first as a diagnostic test; retain it for that site only if needed. |
| Block Trackers | Keeps tracker blocking while removing the additional ad-blocking level. | Try this if No Blocking restores the page, to see whether the site works with tracker protection retained. |
| Block Trackers and Ads | Enables the strongest of the three listed blocking levels. | Use it if the page works at this level; otherwise test a more limited setting. |
Vivaldi recommends blocking trackers on all sites and blocking ads only on sites where they are intrusive or distracting. That is the browser maker’s recommendation, not an independent finding about how often blockers cause problems.
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Save the change for the affected site
You do not need to turn off blocking globally. Vivaldi’s documented route for a lasting, per-site choice is:
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Add the site’s domain and choose the level that works. Menu wording can vary slightly between app releases, so follow the closest matching labels in your installed version. Vivaldi’s iOS instructions for tracker and ad blocking cover the blocker and site exceptions.
If changing the blocker does not fix the page
Try these checks in order, changing one thing at a time so you can tell whether it helped.
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Reload the page after changing a setting. If it remains broken, close and restart Vivaldi, then check the App Store for an update.
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Consider clearing cached files or the affected site’s data. Vivaldi notes that old cached website data can cause discrepancies and sometimes break functionality. Choose data deliberately: clearing cookies or site data may sign you out or remove saved site state. See Vivaldi’s guide to clearing private data on iOS.
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Check whether an iOS setting could be affecting browsing. Vivaldi notes that Lockdown Mode may slow some sites or prevent them from loading. If relevant, temporarily test with a VPN or another app that affects browsing disabled, then restore it.
Do not assume every loading or functionality problem is caused by the ad blocker, and do not turn off iOS privacy protections as a blanket fix.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Report a problem that you can reproduce
If the issue persists after these checks, record the website, device and software versions, the blocker level, and the steps that reliably reproduce the failure. Vivaldi directs users with persistent, reproducible issues to its forum or iOS bug-report process.
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