Questions tagged [html5]

For questions on the display or rendering of HTML5 content.

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Apache2 html-link redirects to about:blank instead of the in href specified website

I created a self-hosted website powered by a Raspberry Pi and Apache2. In my html file I used following line to display a link to another webpage: <p>Map link: <a title="MyTitle" ...
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1 vote
0 answers
119 views

Can I tune my Brave browser for GPU-heavy HTML5 any more?

How may I further increase performance of Chromium-based browsers (like Brave I currently use) for heavy HTML5 gaming. Let me define heavy as basically most of the day I run the game together with ...
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1 answer
142 views

Bring back buffering for HTML5 Video

My internet connection is unrealiable out in the boonies. Ever since a couple years ago, everyone moved to "instant playback" for video. Now when I pause a video, it won't buffer for more ...
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1 vote
2 answers
18 views

Command for the virtual printer PDF to end the page at the desired point

I have a long HTML document and I would like to convert it to PDF. After converting it to PDF the document has some inconvenient divisions (e.g. graphics, tables split in half by page break). Is there ...
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1 answer
6k views

open a folder in windows Explorer from html

I write a personal web app to sort my book , film , file , ... . It is just for my use and will not run on server , I wants to write some code in it that for example if I open a book in browser I can ...
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1 answer
119 views

How to tell firefox to render simple html white on black?

I am no browser expert nor web-dev. I read simple websites and they blind me if use anything more modern than lynx or w3i. However, sometimes these new modern websites require the operating systems ...
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1 vote
1 answer
253 views

How to Record Web Page as Video with Transparency?

I would like to record the HTML output with the alpha channel preserved so that the resulting video has a transparent background, that way I can use the web app's output as an overlay in post-...
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1 vote
1 answer
514 views

How to avoid big blinking cursor in the beginning and end of HTML table?

I have observed that when viewing HTML tables in Google Chrome, when we click in the beginning or end of the table (left-most or right-most), a big blinking cursor is shown next to it. How to avoid ...
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1 answer
174 views

How to create a minimalist HTML5 file from Markdown?

I have a simple Markdown file which I want to convert to a minimal HTML5 compliant file. I tried: pandoc -f markdown -t html5 .\description.md -o description.html → this generates proper HTML content,...
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Remove "example" between ahref string

Can you guys help me with this? I know there exist a ctrl + alt and then select but i want to use a code something like(example: (<a) "[0-9a-f-]")* <a "Testt 22" href="...
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2 votes
0 answers
36 views

Firefox en_GB HTML5 date fields are in MM/DD/YYYY

On macOS Catalina, I've installed en_GB Firefox, my language preferences are 'Choose languages for menus messages etc' is "English (United Kingdom)", in "language for displayed pages" I've remove ...
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60 views

Html5/mp4 does not play in Firefox

From my point of view it seems to be an issue with my System which is Mageia 7.1. But I don't know how to reproduce it. Regarding to this site, the points 1 (HTML5 MPEG Video Test) and 4 (HTML5 ...
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Deleting all third-party cookies and HTML5 site data using commandline/cygwin on windows 7

is it possible to delete all cookies third-party cookies flash cookies HTML5/site data like sqlite DB, .. did I miss anything? using cygwin/cmd/powershell? Prefer cygwin/bash. For some reason, ...
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1 answer
74 views

How to use the fingerprinting feature to optimize your privacy with firefox

Superusers, I know by now how the new firefox fingerprinter works and what it does thanks to another question. But this question now is: to understand this setting's impact on the actual user-tracking ...
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4 votes
1 answer
118 views

What is the new Firefox fingerprinter settings feature doing?

Firefox has a new function called fingerprinter (settings under privacy). I know what fingerprinting means, but what is Firefox doing exactly when this feature is activated? What data is being ...
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2 answers
2k views

Mixed Content and I can't find the probelm

I can not find the problem. I looked and looked i just do not see any http:// link on this page... The URL is Englsih-the Mixed Content: The page at 'https://www.english-the-easy-way.com/' was ...
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2 votes
1 answer
2k views

A site that I have hosted is giving me a HTTP 448 error and I have no clue why

I'm a rookie web developer and I have a pretty simple site that I hosted for free on infinityfree.net. I haven't visited the site or edited the code for at least a month, and everything was working ...
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2 votes
1 answer
277 views

How change the number of seconds Firefox audio video player seek back/forward with keyboard?

When you open an audio/video file with Firefox you can seek forward/backward 15 seconds with right/left keys. Is there a way to change that number or maybe even tweak the keyboard shortcuts? Ideally I ...
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  • 151
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3 answers
1k views

How can i edit HTML files in bulk?

I have a website with 35000 pages, I am trying to edit them in bulk using Notepad++ via find in files options but unable to do complete its always going on Not responding so is there any other way to ...
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1 answer
71 views

Web Page - Firefox, Chrome vs Microsoft Edge

I have created a WebPage, working from NotePad++, and then uploading to 'my site': www.marioninhsgbbstats.com My problem is with the navigation menu. It (my Index and CSS file) works fine when I ...
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2 votes
2 answers
2k views

Why is Firefox so slow when compared to Chrome when used for HTML5 gaming (“Forge of Empires”)?

I am on my laptop just contemplating on transitioning one Flash game I play (“Forge of Empires”) that is currently available in HTML5. I’m having a difficult time comprehending why the Firefox is so ...
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3 votes
0 answers
53 views

Does chrome load videos in a different way than firefox?

When trying to load videos onto a Three.js texture, I noticed that the Chrome is loading a video in ~2Mb chunks and playing the video once the chunk loads. I am comparing this with firefox where a ...
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0 votes
1 answer
405 views

Stop sharing localStorage among servers behind a reverse-proxy (same-origin passes for all)

Consider two backend servers: https://server1.example.com https://server2.example.com When accessing these servers directly, they naturally have independent localStorage objects, since their origins ...
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5 votes
1 answer
860 views

Viewing Server-Sent Events in Firefox

SSE is a simple and straight-forward alternative to WebSockets when you need a one-way channel for events coming from the server. In Chrome Dev Tools' Network tab, you can click the resource (url) ...
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1 answer
4k views

Get real URL of Facebook Story video

On the desktop when I watch a video posted to Facebook Days/Stories using Safari, I can right click the video and press "Copy video address" and I will get the real URL. But in Chrome, it gives me a ...
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270 views

Issue with managing the download of .dat file with Mozilla

I will try to format my question as much as I can. Apologies if It is unclear. Background : Mozilla corrupts the .dat file while downloaded using window.open method from the application. It opens up ...
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  • 101
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1 answer
101 views

How can html5test.com detect the exact name of browsers? [closed]

Whene i open html5test.com using "dolphin browser" on galaxy s6 nougat the website tell me : "You are using Dolphin on a Samsung Galaxy S6 running Android 7.0" the user agent string = Mozilla/5.0 (...
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4 votes
2 answers
1k views

Edge Crashing with HTML5 storage exceeded

I have this problem when I try to access Azure using Edge: This is what's showing in the URL "https://portal.azure.com/Error/UE_Html5StorageExceeded?shown=true" I'm running Windows 10 Pro, build ...
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  • 143
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1 answer
977 views

Stop JavaScript/HTML5 music player from showing media location URL

Is there any way to stop this a HTML5/JavaScript based music player from displaying the location URL of the song it is set up to play from my website server? I have searched for a solution myself, to ...
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1 answer
3k views

Is there a way to open an HTML5 video/stream in a Media Player like VLC/Kodi etc?

It doesn't seem like it. Seems like HTML5 is proprietary to how that browser implements it. The problem is getting an actual video source/URL for the media players to open. Am I missing something?
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1 vote
1 answer
234 views

HTML5 video player audio/video gradually unsync

I've been struggling with this issue for a long time now. It happened after a fresh OS install of Windows 10. Basically, as an HTML5 video plays, the audio and the video gradually unsync. The video ...
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1 answer
1k views

HTML5 Video does not work with Internet Explorer 11

I have recently formatted my computer and installed a clean version of Windows 10 Pro N and HTML5 Video tags are not working. I have tried to install the Media Features pack KB3010081 and KB3099229 ...
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3 votes
1 answer
574 views

tel: tag in chrome (mac os x) opens facetime, but in gmail it opens hangouts, how to make it open hangouts everywhere?

There is a discussion about the handler of the tel tag here: https://productforums.google.com/forum/#!topic/hangouts/ItliGvezjdM However, no solution was proposed to make hangouts handle all such ...
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1 vote
1 answer
305 views

What is the difference between HTML4 and HTML5? [closed]

What the difference between HTML5 and HTML4? Can they both be used for building pages or just designing?
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1 vote
0 answers
349 views

What is the format of the Session Storage used in Chromium?

When websites make use of the HTML5 webstorage, Chromium stores the data of Local storage and Session storage in different directories. In my case (Ubuntu 16.04) that is ~/.config/chromium/Default/...
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  • 123
-3 votes
1 answer
125 views

Chromium with Windows 7 Frames?

I know this has likely been asked before but I've not been able to find any solutions. Let me explain my "issue" I have a custom windows 7 visual style which makes all of my explorer windows dark ...
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13 votes
11 answers
39k views

How can I solve the "browser does not currently support any of the video formats" message?

Recently I have begun getting the following message in Firefox on about half the videos on YouTube, forcing me to use Chrome "Your browser does not currently recognize any of the video formats ...
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0 answers
1k views

Why does playing a html5 video result in high cpu usage by libpepflashplayer.so?

When I play a HTML5 video on youtube (both https://www.youtube.com/html5 and a right click on the video show that HTML5 is used) with chromium the cpu usage goes to 100% on all cores caused by ...
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  • 183
4 votes
0 answers
2k views

Saving HTML5 media (audio or video) which is protected

There are certain cases when HTML5 media embedded with audio and video tags is not saveable with context menu of built in Firefox player (item "Save as"). For example, embedded Vine video cannot be ...
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3 votes
2 answers
4k views

How to generate preview video for web with a few frames using ffmpeg?

How to generate a preview video for web with a few frames only using ffmpeg? Like when you move the mouse over a video and it plays a few frames for preview before loading the actual video?
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  • 478
1 vote
0 answers
39 views

How do I stop CoffeCup HTML editor (Version 15 Build 769) from creating a new folder when I test a webpage from a server?

OK. I know this question is really long but I wanted to be specific. Let me explain in more detail. I am using CoffeCup HTML editor software to edit a website. I have started a Website Project using ...
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0 votes
0 answers
1k views

What's the protocol that makes a browser downloads instead of launching an app for a file?

An <a href="....mp3"> link would make most browsers launch the default media player to open the mp3 file. <a href="...mp3" download> would make some Html5 browsers download, ie saves, the ...
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  • 1,077
0 votes
1 answer
44 views

How is this Microsoft website communicating with my operating system to see the status of the troubleshooting program I downloaded?

On this Microsoft website there is a diagnostic tool that I downloaded to fix the Windows store. Once I ran the tool the website provided the status of the app. I don’t understand how the website is ...
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  • 3,275
1 vote
2 answers
6k views

Browser inside a browser

My employees and I frequently need to open several internal web pages next to each other on the screen. Currently we do this by opening several Chrome windows and spending time to arrange for example ...
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  • 1,279
2 votes
1 answer
3k views

Encode h264 with FFMPEG that works across all browsers and devices (windows/mac/iOs/Android)

I want to encode images with FFMPEG to a h264 video file that will work on Windows Browsers and Mac Browsers and iOS / Android devices to display in HTML5. Is there a way to do that using one encoded ...
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1 vote
0 answers
401 views

How can I get HTML5 video playback accelerated using VDPAU?

For systems that have accelerated video playback using VDPAU, how can I use this capability to accelerate playback of HTML5 videos? I know, for instance, with Firefox you can enable GPU-based ...
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  • 431
2 votes
1 answer
21k views

Internet explorer 11 under windows 10 does not play HTML5 videos

For some reason, my internet explorer just will not recognized HTML5 videos. I'm fairly certain that my computer is at fault, because my colleague has tested it with his W10 IE11, and it works. ...
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  • 91
0 votes
1 answer
742 views

YouTube HTML5 Player - Can somebody explain it to me? [closed]

HOW are the videos rendered on our website using only html5 without any <video> tags on the website? How do they control the play? AJAX? How is the video streamed? Which tehique? HOW does the ...
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  • 177
0 votes
0 answers
5k views

howto watch embedded html5 video with `blob:` url with external player

Recently I stumbled upon blob:http* urls in <video src=*> on some websites. Is it possible to watch these in an external player? I tried VLC out of the box, but it doesn't seem to work, vlc ...
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  • 255
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1 answer
169 views

Google HTML5 looping gone

Previously it was possible to loop Youtube videos by double right clicking on the video frame and checking loop. Now when I double right click, this is gone. In the screenshot below you can see what I ...
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