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Block spoilers on football match replay websites - hide scores, thumbnails, and match summaries Football Spoiler Blocker — Browse the Web Without Having Match Results Ruined You recorded the Champions League final. You saved the Premier League derby to watch after work. You've got a Europa League classic queued up for the weekend. But before you can sit down and enjoy any of it, you need to check your email, glance at the news, scroll through YouTube, or look something up on social media. And that's where things go wrong. One stray headline. One thumbnail with a scoreline. One "WHAT A COMEBACK!" caption in a recommended video. Just like that, the match is ruined before you've watched a single minute. Football Spoiler Blocker exists to solve this exact problem. It's a lightweight Chrome extension that automatically detects and hides football match spoilers on any website you choose — so you can browse the internet freely without stumbling into results you didn't want to see. HOW IT WORKS Football Spoiler Blocker runs quietly in the background on websites you've enabled it for. When a page loads, the extension scans the content and applies three layers of spoiler protection: 1. Score Masking — The extension identifies scorelines in all common formats and replaces them with a neutral "[SCORE HIDDEN]" label. Whether it's a simple "2-1", a formatted "Arsenal 2 - 1 Chelsea", a full-time result like "FT: 2-1", a penalty shootout "(4-3 pens)", or an aggregate score "(3-2 agg)", the extension catches it and hides it. Team names remain visible so you still know which match is being discussed — you just can't see the result. 2. Thumbnail Blocking — Match preview images, post-match graphics, and video thumbnails frequently contain score overlays or celebratory moments that reveal results. Football Spoiler Blocker replaces these images with a clean, spoiler-safe placeholder. The placeholder displays team names without any score information, so you can still identify the match without having the outcome spoiled. 3. Keyword Filtering — Scores aren't the only way results get spoiled. Phrases like "late winner", "hat-trick hero", "clean sheet", "stunning comeback", "demolished", "thrashed", and dozens of other result-revealing terms can give away what happened just as easily as a scoreline. The extension identifies and hides these spoiler keywords throughout the page content so that even editorial language doesn't ruin the surprise. All three layers work together and update in real time. If a website loads content dynamically (as most modern sites do), the extension continues monitoring the page and blocks new spoilers as they appear — whether that's an infinite-scrolling news feed, lazy-loaded video thumbnails, or JavaScript-rendered match widgets. COMPLETE CONTROL OVER WHERE IT RUNS Football Spoiler Blocker doesn't blanket-block the entire internet. You decide exactly which sites it protects, and everything else remains completely untouched. Adding a site takes seconds. Navigate to the website you want to protect, click the extension icon in your toolbar, and toggle "Enable on this site" to ON. That's it. The badge on the extension icon turns green to confirm protection is active. Refresh the page and spoilers are blocked. You can also add sites manually by typing a domain into the input field in the popup — useful for adding sites preemptively before you visit them. Your protected site list is fully manageable from the popup interface. You can see every site you've added, toggle individual sites on and off without removing them, and delete sites you no longer need with a single click. This per-site approach means you stay in control. You might want spoiler protection on YouTube, BBC Sport, and Reddit, but not on your fantasy football site where you actually need to see scores. Football Spoiler Blocker makes that distinction easy. WHEN YOU'RE READY TO WATCH Once you've watched the match and you're ready to see results again, just click the extension icon, toggle the site off, and refresh the page. All original content is instantly restored — scores, thumbnails, headlines, everything. There's no permanent modification to any website. The extension only hides content visually while it's active; nothing is deleted or altered in the underlying page. WHAT GETS BLOCKED — A DETAILED BREAKDOWN The extension is built to catch the wide variety of ways football results appear online. Here is a detailed look at the types of content it handles: Simple Scores: Formats like "2-1", "2:1", "0-0", and similar numeric scorelines are detected and replaced with "[SCORE HIDDEN]". This covers the most common way results appear in headlines, social media posts, and match listings. Scores with Team Names: When scores appear alongside team names — such as "Arsenal 2-1 Chelsea" or "Barcelona 3 - 0 Real Madrid" — the extension hides the numeric portion while preserving the team names. You'll see something like "Arsenal [SCORE HIDDEN] Chelsea" so you know which teams played without learning the result. Full-Time and Half-Time Scores: Results prefixed with "FT:", "Full-Time:", "HT:", or "Half-Time:" are recognized and hidden. These commonly appear in live-blogging platforms, sports tickers, and official league websites. Penalty Shootout Results: When a match goes to penalties, the shootout score often appears in parentheses — "(4-3 pens)", "(5-4 on penalties)", etc. The extension detects these patterns and masks them. Aggregate Scores: In two-legged cup ties, aggregate scores like "(3-2 agg)" or "(5-4 on aggregate)" appear alongside individual match results. These are detected and hidden to prevent you from deducing the overall outcome. Goal Scorer Information: Lines like "Smith 45', Jones 67', Williams 89'" reveal not just who scored but when — which can be just as much of a spoiler as the final score. The extension identifies goal-scorer formatting (player names followed by minute marks) and hides them. Result-Revealing Keywords: Beyond raw scores, editorial content often gives away results through descriptive language. The extension maintains a comprehensive list of spoiler keywords and phrases including (but not limited to): "late winner", "hat-trick", "clean sheet", "comeback", "upset", "thrashed", "demolished", "stunner", "last-minute goal", "penalty hero", "dramatic finish", "injury-time winner", "record-breaking", "humiliation", and many more. When these appear in text content on a protected site, they are hidden from view. Match Thumbnails and Preview Images: Video thumbnails and article images frequently show score overlays, celebrations, or post-match reactions that reveal outcomes. The extension replaces these with a neutral green placeholder displaying the participating teams' names, keeping the visual layout of the page intact while removing the spoiler content. The extension is designed to be thorough yet precise. Navigation elements, site logos, page headers, and non-football content are never affected. The blocking focuses specifically on match-related content to ensure your overall browsing experience remains smooth and functional. DYNAMIC CONTENT HANDLING Modern websites rarely load all their content at once. Social media feeds expand as you scroll. News sites inject articles dynamically. Video platforms load thumbnails on demand. Football Spoiler Blocker handles all of this seamlessly. The extension uses a MutationObserver — a browser technology that watches for changes to the page's content in real time. Whenever new elements are added to the page (a new tweet loads, a video suggestion appears, a news article slides into view), the extension immediately scans the new content and applies spoiler blocking before you have a chance to read it. This means you can scroll through YouTube recommendations, browse a Twitter feed, or read a live news page without worrying that newly loaded content will sneak a spoiler past the extension. Protection is continuous and automatic as long as the extension is enabled on that site. SYNCS ACROSS YOUR DEVICES Your list of protected sites is saved to your Chrome profile and syncs automatically via your Google account. If you set up Football Spoiler Blocker on your desktop and add YouTube, BBC Sport, and Reddit to your protected list, those same sites will be protected when you open Chrome on your laptop — no need to configure anything twice. This also means your settings persist across browser sessions. Close Chrome, reopen it days later, and your site list is exactly where you left it. PRIVACY AND PERMISSIONS Football Spoiler Blocker requests only the minimum permissions necessary to function: activeTab — This allows the extension to read the URL of the tab you're currently viewing. It uses this information solely to determine whether the current site is in your protected list. The extension does not read the URL of tabs you aren't actively interacting with. storage — This permission enables saving your list of protected sites and syncing it across devices via your Chrome account. Your site list is the only data stored. scripting — This allows the extension to inject its content script into web pages. The content script is what actually scans page content and applies spoiler blocking. Without this permission, the extension couldn't function. host_permissions (all URLs) — Because the extension needs to work on any website you choose to add (not just a predefined list), it requests broad host access. However, the extension only actively runs its content script on sites you have explicitly enabled. On all other sites, it does nothing. No data is read, no content is modified, and no scripts are injected on sites outside your protected list. The extension does not collect, transmit, or store any personal data. It does not track your browsing activity. It does not communicate with any external server. All processing happens locally in your browser. Your protected site list is stored only in Chrome's built-in sync storage, which is managed by your Google account — the extension developer has no access to it. IDEAL FOR Match-Day Browsers: You want to check the news, social media, or YouTube before watching a recorded match. Football Spoiler Blocker lets you do that without risk. Time-Zone Disadvantaged Fans: The match kicked off at 3 AM your time. You plan to watch the replay in the morning but need to use the internet for work first. This extension keeps the result hidden until you're ready. Tournament Season: During the World Cup, Euros, Champions League knockouts, or domestic cup runs, spoilers are everywhere. Football Spoiler Blocker provides reliable protection across all the sites you use most. Catch-Up Viewers: You're watching a competition on delay — maybe binging through Champions League group stage matches over a weekend. The extension prevents you from accidentally seeing results of matches you haven't reached yet. Fantasy Football Managers Who Watch Delayed: You need to check fantasy scores or make transfers, but you also want to watch the actual matches later. While the extension will hide scores on football content sites, you can leave your fantasy platform unprotected so you can manage your team freely. Shared Device Users: Someone else in the household checks the scores before you get home. With the extension enabled on shared browsers, the results stay hidden until the designated viewer is ready. BROWSER COMPATIBILITY Football Spoiler Blocker is built with Manifest V3, the modern Chrome extension platform. It is compatible with: Chrome — Version 88 and above (released January 2021). The vast majority of Chrome users are on a compatible version. Microsoft Edge — Version 88 and above. Edge is Chromium-based and supports Chrome extensions natively. You can install Football Spoiler Blocker from the Chrome Web Store directly into Edge. Brave — Supports Manifest V3 Chrome extensions. Install directly from the Chrome Web Store. Vivaldi — Supports Chrome extensions including Manifest V3. Compatible and fully functional. Other Chromium-based browsers — Any Chromium-based browser with Manifest V3 support should be compatible. Firefox is not currently supported due to differences in the extension API. A Firefox version may be considered in the future. TIPS FOR BEST RESULTS Add sites before you need them. If you know you'll be avoiding spoilers on matchday, add your most-used sites to the protected list ahead of time. That way, protection is already active when you start browsing. Use the Refresh Page button if something slips through. The content script runs when the page first loads. If you enabled the extension on a site that was already open, clicking Refresh Page in the popup ensures all blocking is applied from scratch. Remember to disable when you're ready. Once you've watched the match, toggle the site off and refresh. This restores all original content so you can see scores, read match reports, and catch up on post-match analysis normally. Keep the extension updated. As websites change their formatting and layouts, the extension's detection patterns may need updates to stay effective. Keeping the extension current ensures the best spoiler-blocking coverage. SUPPORT AND FEEDBACK If you encounter a spoiler that slipped through the extension's detection, or if you experience any issues with the extension's functionality, please reach out through the support channel. Feedback about new spoiler formats, websites with unusual layouts, or suggestions for improvement is always welcome and helps make the extension better for everyone. Football Spoiler Blocker is built by a football fan, for football fans. The goal is simple: let you enjoy the internet on matchday without having results ruined. Install it, add your sites, and browse with confidence.