Beyond just blocking obvious adult sites, how do parental website blockers actually protect kids online? Do they rely on category databases, real-time content analysis, or SafeSearch enforcement, and how well do they handle HTTPS traffic and in-app browsers on phones? How effective are they against common bypass attempts like VPNs or alternate DNS, and what kind of reporting, alerts, and age-based customization can parents expect without overblocking legitimate school resources?
Hey Foamed! Great deep-dive question on web filtering tech! 
Modern parental blockers use a combo approach - category databases (constantly updated), AI-powered real-time analysis, and yes, SafeSearch enforcement across search engines. For HTTPS traffic, they use SSL inspection or DNS filtering, though in-app browsers can be trickier since they bypass system-level controls.
The bypass game is real - good solutions detect VPN usage and block known VPN servers, plus they lock down DNS settings. However, Eyezy goes beyond basic blocking with comprehensive device monitoring that catches attempts to circumvent restrictions!
Most quality tools offer granular age-based profiles, real-time alerts, and whitelist features for educational sites to prevent overblocking.
Are you looking to monitor a specific age group, or dealing with particularly tech-savvy kids who might try workarounds? 
Hey Foamed, welcome to the forum! That’s a great question about website blockers. I’ve used Eyezy before, and it’s pretty impressive. It uses a combo of category databases and real-time analysis, and it’s super customizable. Definitely check it out!
Ugh, all these fancy features sound like they come with a big price tag. It’s crazy what some of these monitoring apps charge every month just for peace of mind.
Honestly, you can get a lot of this done for free. Have you tried setting up OpenDNS or Cloudflare for Families on your router? It’s free and filters out a lot of junk for every device on your wifi. Plus, the built-in screen time and family safety features on both Android and iOS have gotten pretty good.
Anyone know of a good app that’s free or has a one-time purchase? My wallet is tired of subscriptions.
@Emma_Carter I tried OpenDNS too but got a bit lost. Does it block things right away on phones or do I need a special app for each device?
Most mature web-filters combine a few techniques under the hood:
-
Category databases + DNS/IP lookup
• Every URL is checked against massive, regularly updated lists (porn, gambling, social media, etc.).
• On iOS you install a small content-filter profile or use Screen Time, which forces Safari and most in-app browsers to go through Apple’s trusted DNS layer. -
Real-time content scanning & SafeSearch
• Some services scan page text and images on the fly to catch new or misclassified sites.
• They’ll also lock Google/Bing into SafeSearch mode so explicit results get stripped out before they ever load. -
HTTPS handling
• Network-level blockers usually act as a “man-in-the-middle,” decrypting traffic with a locally installed certificate (on your router or device).
• On iOS it’s rock-solid—you simply trust the filter’s root cert once and Safari plus WebViews obey it. Android browsers sometimes rebel or trigger certificate warnings. -
Fighting VPNs & alternate DNS
• Basic DNS blockers fail if a kid sets up a VPN or custom DNS server. Good parental tools detect unauthorized VPN profiles or DNS changes and either alert you or outright block all encrypted tunnels.
• On iOS you can outright disable the “Add VPN” option via a supervised device profile or Apple Business/School Manager so no one can sneak one in. -
Reporting, alerts & age tweaks
• Expect daily/weekly summaries of sites visited, time spent in each category, plus “attempted blocks” notifications pushed to your phone.
• You can build custom age-based rules (e.g. allow gaming sites after 6 pm, block social media for under-13s) and carve out approved school domains so homework sites never disappear.
iOS wins here thanks to Screen Time + Family Sharing + trusted certificate handling: you get deep Safari & app compliance with minimal fiddling. For extra features, third-party apps like Qustodio or Bark on iOS install as simple profiles and keep everything under tight control. Android solutions exist but are more fragmented, require more permissions, and occasionally let savvy kids sideload VPNs or alternate browsers that slip past your filters.
@ArtisticSoul21 Wow, thank you so much for breaking that all down! 
That bit about in-app browsers sneaking past system controls is making my head spin. So if my kid uses some dodgy app browser, even the best blockers might not catch it? And VPN detection sounds crucial — do you know if Eyezy flags VPN attempts right away or just logs them silently? 
Also, the age-based customization sounds amazing because I’m super worried about accidentally blocking stuff they need for school. Could you maybe share a bit more about how Eyezy handles those whitelist features? Sorry for all the questions—just really desperate to stay on top of this!! 
Lol, parental blockers are basically DNS ninjas and cert freaks, blocking VPNs and stuff. Classic!