chrome.google.com
TextOptimizer is a browser extension for checking SEO signals, page data, rankings, or website metrics.
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clicktheredbutton.com
Click the Red Button is a random website generator. Users press a single button to access one of more than 470 hand-picked curated sites, including browser games, interactive art, and the internet’s stranger corners. No account or installation is required to use the service. Favorited sites are saved to the user’s browser, and browsing history is retained to help users revisit previously accessed sites. The site's catalogue is regularly checked to remove broken or inactive links.
thewebcomiclist.com
A directory that tracks over 26,800 webcomics and online comics, checking them several times a day so users can see which have updated. It also offers comic news, comic profiles, a favourites list for registered users, and a submission form for adding comics.
trackalacker.com
TrackaLacker lets users follow products and receive alerts when items become in stock or go on sale. It offers free push notifications for restocks and links through to checkout, and it maintains a list of tracked brands. The site also accepts requests for products it does not yet track.
sneakypete81.github.io
Update Scanner is a Firefox addon that monitors web pages for updates, intended for websites that do not provide Atom or RSS feeds. Users can add pages, choose how often changes are checked, and opt to ignore minor updates. Detected changes appear in a notification panel and highlighted in yellow, and updated items are listed in a sidebar.
urlvoid.com
URLVoid is a free website reputation checker. It scans a website against multiple reputation and blocklist services to help determine whether it is safe or malicious, and provides a safety report with blocklist names and IP and domain details.
vsynctester.com
VsyncTester is a web-based tool for checking browser VSYNC synchronization, display refresh rate, and input lag. The site also links to related test tools, including a display Hz tester and a GPU memory usage tool, and to pages documenting VSYNC issues in Chrome.
rapid7.com
Rapid7 Vulnerability & Exploit Database is a curated repository of vulnerability and exploit data maintained by Rapid7 Labs. It provides verified CVE intelligence, public exploit details, and remediation guidance, with exploit modules and check methods integrated into the Metasploit Framework. The database is searchable and updated with the latest public vulnerability and emergent threat information.
walletscrutiny.com
WalletScrutiny helps bitcoin users check whether a wallet is truly open-source and secure. It runs 17 tests across mobile, hardware, and desktop wallets, and results are grouped into categories such as all tests passed, build or source-code issues, and missing source code. The independent, non-profit project depends on volunteers and donations and lists thousands of wallets reviewed.
garvit835.github.io
WebScore is a website legitimacy checker that produces a detailed report on a scanned URL. The report includes columns for URL Scanned, Uses HTTPS, Domain Age, Wayback History and Google Safe Browsing.
xranks.com
Website ranking and analytics tool for checking site popularity, traffic, and web statistics.
support.mozilla.org
Firefox VPN helps find, check, or use proxy services for alternate web access and privacy testing.
proton.me
Proton Meet is an internet utility for network checks, web research, connectivity, or online diagnostics.
clarasguide.valeena.workers.dev
An announcement page reporting that GameFabrique bundles adware into its installers, which open magnet links in the user's torrent client. The author ran the installers in a sandbox and states that each one attempted to install AVG Secure Browser and McAfee Web Advisor, describing the bundled torrent sources as untrustworthy.
chrome.google.com
Ahrefs' SEO Toolbar crawls websites to find broken links, redirects, and technical SEO issues.
airvpn.org
AirVPN helps find, check, or use proxy services for alternate web access and privacy testing.
apps.kde.org
Akregator is a news feed reader for following news sites, blogs and other RSS/Atom-enabled websites without manually checking for updates in a web browser. It is designed for reading hundreds of news sources and includes a fast search, advanced archiving functionality and an internal browser. It is available on Linux and Windows.
analyzeid.com
AnalyzeID is a reverse lookup tool that searches Google Analytics, Google Adsense, Amazon affiliate, email, IP and other third-party IDs to find other websites owned by the same person. The site lists uses such as researching site owners, checking whether sellers are mass producing sites, and finding money sites. It presents itself as more than a reverse IP tool when owners host sites on different servers.
anon.to
anon.to is an anonymous URL shortener and redirect tool. It shortens or redirects any URL while hiding the referrer so destination sites do not see the visitor's origin, and it states that clicks, visitors and personal data are not tracked. Redirects occur over encrypted HTTPS connections.
auditzap.io
AuditZap is a website audit tool that performs SEO, performance, and AI search visibility (AEO/GEO) checks on user-submitted websites. It generates AI-powered fix instructions prioritized by estimated revenue impact, with platform-specific guidance for systems including WordPress, Shopify, and Webflow. The service offers 3 free audits per month with no credit card required, with paid plans available for expanded features.
backlinkscan.com
BacklinkScan is an AI-powered backlink checker. It provides daily monitoring of new and lost backlinks, automated disavow file preparation, and Search Console integration for organic keyword and ranked page data. It also offers historical backlinks, referring domain analysis and brand visibility tracking across AI platforms.
beets.io
Beets is a media library management system for music collections. It catalogs a collection and improves metadata automatically using the MusicBrainz database, and provides tools and plugins for fetching metadata, transcoding audio, checking for duplicates and browsing the library in a web browser. It is installed with pip.
better-default-discord.netlify.app
A free website offering Discord profile pictures that resemble the default icons. It provides patterns such as gradients, blasts, lines, stairs, checkerboards, tessellation, weave and dots. Users tap or click an icon to download it, then set it as their avatar through Discord's profile settings.
betterredditsearch.web.app
A search tool for Reddit posts made by LasTechLabs. It supports post filters for containing any, all or none of the given words, or an exact phrase, and lets users check or exclude specific subreddits. Search results can be limited by earliest and latest posting dates.