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@@ -33,7 +33,7 @@ <h2>Latest news</h2>
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 <h2>What is jpylyzer?</h2>
-<p><em>Jpylyzer</em> is a validator and feature extractor for <a href="http://fileformats.archiveteam.org/wiki/JP2"><em>JP2</em></a> images. <em>JP2</em> is the still image format that is defined by <a href="http://wiki.opf-labs.org/download/attachments/11337762/15444-1annexi.pdf">Part 1</a> of the <a href="http://www.jpeg.org/jpeg2000/">JPEG 2000</a> image compression standard (ISO/IEC 15444-1).</p>
+<p><em>Jpylyzer</em> is a validator and feature extractor for <a href="http://fileformats.archiveteam.org/wiki/JP2"><em>JP2</em></a> images. <em>JP2</em> is the still image format that is defined by <a href="https://web.archive.org/web/20230407080521/https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-T.800-201511-S!!PDF-E&type=items">Part 1</a> of the <a href="http://www.jpeg.org/jpeg2000/">JPEG 2000</a> image compression standard (ISO/IEC 15444-1).</p>
 <p><em>Jpylyzer</em> tells you if a <em>JP2</em> image really conforms to the format&#8217;s specifications (validation). It also reports the image&#8217;s technical characteristics (feature extraction).</p>
 <h2>Getting started</h2>
 <p>To get started with <em>jpylyzer</em>, check out the following links:</p>