Repository: yt-dlp
Issue: xnxx.com: Add tags.
Labels: NSFW,site-enhancement,triage

### DO NOT REMOVE OR SKIP THE ISSUE TEMPLATE

- [X] I understand that I will be **blocked** if I *intentionally* remove or skip any mandatory\* field

### Checklist

- [X] I'm requesting a site-specific feature
- [X] I've verified that I have **updated yt-dlp to nightly or master** ([update instructions](https://github.com/yt-dlp/yt-dlp#update-channels))
- [X] I've checked that all provided URLs are playable in a browser with the same IP and same login details
- [X] I've searched [known issues](https://github.com/yt-dlp/yt-dlp/issues/3766) and the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues **including closed ones**. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)
- [X] I've read about [sharing account credentials](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#are-you-willing-to-share-account-details-if-needed) and I'm willing to share it if required

### Region

Germany

### Example URLs

https://www.xnxx.com/video-55awb78/skyrim_test_video

### Provide a description that is worded well enough to be understood

It should add the tags.

Basically `div.video-content-metadata div.video-metadata div.video-tags a.is-keyword` `.forEach()` `.innerText()`

```html
<div id="video-content-metadata" class="nb-comments-8">
  <div class="clear-infobar">
    <div class="video-title-container">
      <div class="video-title">
        <strong>Skyrim Test Video</strong>
        <button type="button" id="video-rename" class="" title="Edit title">
        	<span class="icon-f icf-pencil"></span>
        	<span class="loader">...</span>
        </button>
      </div>
      <span class="metadata">
        <a class="free-plate" href="/porn-maker/glurp">Glurp</a>						8min
						- 671,042 <span class="icon-f icf-eye"></span>					</span>
      </div>
    </div>
    <div class="metadata-row video-metadata">
      <div id="video-votes"><span class="metadata-btn metadata-btn-nobg"><span class="icon star-half"></span><span class="rating-box value">99.01%</span></span><span class="vote-actions"><a class="vote-action-good metadata-btn hide-if-zero-232"><span class="icon thumb-up"></span><span class="value">175</span></a><a class="vote-action-bad metadata-btn hide-if-zero-232"><span class="icon thumb-down"></span><span class="value">57</span></a></span></div><div class="tab-buttons"><a class="metadata-btn hide-if-zero-8" title="Comments"><span class="icon comments"></span><span class="value">8</span></a><a class="metadata-btn" title="Download"><span class="icon download"></span><span class="value mobile-show">&nbsp;</span></a><a class="metadata-btn" title="Embed"><strong>&lt;/&gt;</strong><span class="value mobile-show">&nbsp;</span></a><a class="metadata-btn" title="Report"><span class="icon flag"></span><span class="value mobile-show">&nbsp;</span></a></div>			
      </div>
      <div class="metadata-row video-tags">
        <em><u>Tags:</u></em>&nbsp;&nbsp;
        <a class="is-keyword" href="/search/3d">3d</a><a class="is-keyword" href="/search/rough">rough</a>
        <a class="is-keyword" href="/search/fantasy">fantasy</a>
        <a class="is-keyword" href="/search/game">game</a>
        <a class="is-keyword" href="/search/adventure">adventure</a>
        <a class="is-keyword" href="/search/skyrim">skyrim</a>
        <a href="#" class="suggestion" id="suggestion" title="Edit tags">
        <span class="icon-f icf-pencil"></span><span ...
...
```

### Provide verbose output that clearly demonstrates the problem

- [X] Run **your** yt-dlp command with **-vU** flag added (`yt-dlp -vU <your command line>`)
- [X] If using API, add `'verbose': True` to `YoutubeDL` params instead
- [X] Copy the WHOLE output (starting with `[debug] Command-line config`) and insert it below

### Complete Verbose Output

```shell
➜ yt-dlp -vU https://www.xnxx.com/video-55awb78/skyrim_test_video
[debug] Command-line config: ['-vU', 'https://www.xnxx.com/video-55awb78/skyrim_test_video']
[debug] Encodings: locale UTF-8, fs utf-8, pref UTF-8, out utf-8, error utf-8, screen utf-8
[debug] yt-dlp version stable@2024.12.23 from yt-dlp/yt-dlp [65cf46cdd] (pip)
[debug] Python 3.12.4 (CPython arm64 64bit) - macOS-14.4.1-arm64-arm-64bit (OpenSSL 3.3.2 3 Sep 2024)
[debug] exe versions: ffmpeg 7.1 (setts), ffprobe 7.1, rtmpdump 2.4
[debug] Optional libraries: certifi-2024.12.14, mutagen-1.47.0, sqlite3-3.43.2, websockets-14.1
[debug] Proxy map: {}
[debug] Request Handlers: urllib, websockets
[debug] Loaded 1837 extractors
[debug] Fetching release info: https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest
Latest version: stable@2024.12.23 from yt-dlp/yt-dlp
yt-dlp is up to date (stable@2024.12.23 from yt-dlp/yt-dlp)
[XNXX] Extracting URL: https://www.xnxx.com/video-55awb78/skyrim_test_video
[XNXX] 55awb78: Downloading webpage
[XNXX] 55awb78: Downloading m3u8 information
[debug] Formats sorted by: hasvid, ie_pref, lang, quality, res, fps, hdr:12(7), vcodec, channels, acodec, size, br, asr, proto, vext, aext, hasaud, source, id
[debug] Default format spec: bestvideo*+bestaudio/best
[info] 55awb78: Downloading 1 format(s): hls-1080p
[debug] Invoking hlsnative downloader on "https://cdn77-vid.xnxx-cdn.com/pyAoXE-mNwWiJ0wjJ37Y_A==,1736059395/videos/hls/74/3d/dc/743ddc80bcb15712b3177ad7acfc5536-2/hls-1080p.m3u8"
[download] Skyrim Test Video [55awb78].mp4 has already been downloaded
[download] 100% of  165.87MiB
```