This service tests the validity of an RSS 2.0 feed, checking to see that it follows the rules of the RSS specification. For advice from the RSS Advisory Board on how to implement RSS and handle issues such as enclosures and HTML encoding, read the RSS Best Practices Profile. This checker is also a validator of Atom and RSS 1.0 feeds.

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This feed does not validate.

  • line 12, column 14: link must be a full and valid URL: (12 occurrences) [help]

          <link />
                  ^

  • line 14, column 6: Missing enclosure attribute: length (12 occurrences) [help]

          <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/ACT_S ...
          ^

  • line 17, column 14: guid must be a full URL, unless isPermaLink attribute is false: (12 occurrences) [help]

          <guid />
                  ^

In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations.

  • line 9, column 4: A channel should not include both pubDate and dc:date [help]

        <dc:date>2021-03-16T10:40:00Z</dc:date>
        ^

  • line 16, column 40: Email address is missing real name (12 occurrences) [help]

          <author>szcluster-db@ias.u-psud.fr</author>
                                            ^

  • line 17, column 14: guid should not be blank (12 occurrences) [help]

          <guid />
                  ^

  • line 18, column 6: An item should not include both pubDate and dc:date (12 occurrences) [help]

          <dc:date>2021-03-16T10:40:00Z</dc:date>
          ^

  • line 133, column 2: Missing atom:link with rel="self" [help]

      </channel>
      ^

Source: http://szcluster-db.ias.u-psud.fr/plnck_project/clientFeeds/PlanckSZ_news

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <rss xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0">
  3.  <channel>
  4.    <title>Planck SZ Database</title>
  5.    <link>http://szcluster-db.ias.u-psud.fr</link>
  6.    <description>Planck SZ Database RSS feed</description>
  7.    <pubDate>Tue, 16 Mar 2021 10:40:00 GMT</pubDate>
  8.    <managingEditor>szcluster-db@ias.u-psud.fr (IAS - IDOC)</managingEditor>
  9.    <dc:date>2021-03-16T10:40:00Z</dc:date>
  10.    <item>
  11.      <title>ACT and SPT catalogues online</title>
  12.      <link />
  13.      <description>New ACT and SPT catalogues are now available for download, soon to be inserted in SZ cluster database for query. They include E-D56 (DR3) and DR5 ACTPOL catalogues, SPT-2500d, SPTPOL-100d and SPT-ECS catalogues.</description>
  14.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/ACT_SPT_updates_2021.png" type="image/png" />
  15.      <pubDate>Tue, 16 Mar 2021 10:40:00 GMT</pubDate>
  16.      <author>szcluster-db@ias.u-psud.fr</author>
  17.      <guid />
  18.      <dc:date>2021-03-16T10:40:00Z</dc:date>
  19.    </item>
  20.    <item>
  21.      <title>SZ HAD catalogue online</title>
  22.      <link />
  23.      <description>The new catalogue of SZ sources from Planck data obtained with neural network approach  in Hurier et al. is now online in the Download section of the SZDB.</description>
  24.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/Screenshot-2019-12-12-at-14-15-49.png" type="image/png" />
  25.      <pubDate>Thu, 12 Dec 2019 16:20:00 GMT</pubDate>
  26.      <author>szcluster-db@ias.u-psud.fr</author>
  27.      <guid />
  28.      <dc:date>2019-12-12T16:20:00Z</dc:date>
  29.    </item>
  30.    <item>
  31.      <title>All Planck clusters online</title>
  32.      <link />
  33.      <description>SZDB now contains the compilation of PSZ2, PSZ1, ESZ and individual Planck clusters observations.&lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  34.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/Planck_cut.png" type="image/png" />
  35.      <pubDate>Thu, 12 Mar 2015 17:00:00 GMT</pubDate>
  36.      <author>szcluster-db@ias.u-psud.fr</author>
  37.      <guid />
  38.      <dc:date>2015-03-12T17:00:00Z</dc:date>
  39.    </item>
  40.    <item>
  41.      <title>SPT catalogue compilation v2</title>
  42.      <link />
  43.      <description>New compilations of SPT SZ cluster observations now included in the SZDB metacatalogue and available for download.&lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  44.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/spt-logo-9.jpg" type="image/jpeg" />
  45.      <pubDate>Thu, 12 Mar 2015 16:00:00 GMT</pubDate>
  46.      <author>szcluster-db@ias.u-psud.fr</author>
  47.      <guid />
  48.      <dc:date>2015-03-12T16:00:00Z</dc:date>
  49.    </item>
  50.    <item>
  51.      <title>2690 clusters and candidates online</title>
  52.      <link />
  53.      <description>SZDB now contains the metacatalogue of 2690 SZ clusters and candidates compiled from Planck, ACT, SPT, AMI and CARMA.&lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  54.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/szdb_cat_preview.png" type="image/png" />
  55.      <pubDate>Thu, 12 Mar 2015 16:00:00 GMT</pubDate>
  56.      <author>szcluster-db@ias.u-psud.fr</author>
  57.      <guid />
  58.      <dc:date>2015-03-12T16:00:00Z</dc:date>
  59.    </item>
  60.    <item>
  61.      <title>SZDB v2 now online</title>
  62.      <link />
  63.      <description>The new interface of SZDB is now online with improved query forms, maps of clusters, an embedded Aladin Lite catalogue viewer, FITS export module and more...
  64. &lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  65.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/szdb_new_release.png" type="image/png" />
  66.      <pubDate>Thu, 12 Mar 2015 15:00:00 GMT</pubDate>
  67.      <author>szcluster-db@ias.u-psud.fr</author>
  68.      <guid />
  69.      <dc:date>2015-03-12T15:00:00Z</dc:date>
  70.    </item>
  71.    <item>
  72.      <title>PSZ1v2 is now available for download</title>
  73.      <link />
  74.      <description>Updated Planck 2013 SZ catalogue: 86 new confirmations, 913 redshifts (80% spectroscopic) and a total of 947 confirmed clusters (see arxiv: 1502.00543).
  75. &lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  76.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/PSZ_distribution.png" type="image/png" />
  77.      <pubDate>Wed, 04 Feb 2015 10:22:00 GMT</pubDate>
  78.      <author>szcluster-db@ias.u-psud.fr</author>
  79.      <guid />
  80.      <dc:date>2015-02-04T10:22:00Z</dc:date>
  81.    </item>
  82.    <item>
  83.      <title>Planck SZ validation Table updated</title>
  84.      <link />
  85.      <description>The Planck SZ validation table has been updated and is now available for download.
  86. &lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  87.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/PSZ_distribution.png" type="image/png" />
  88.      <pubDate>Thu, 03 Apr 2014 08:00:00 GMT</pubDate>
  89.      <author>szcluster-db@ias.u-psud.fr</author>
  90.      <guid />
  91.      <dc:date>2014-04-03T08:00:00Z</dc:date>
  92.    </item>
  93.    <item>
  94.      <title>Planck sample for M-Y scaling available</title>
  95.      <link />
  96.      <description>The data  used for the M-Y scaling relation quoted in Planck SZ cosmological analysis paper (Planck collaboration 2013 results XX) is now available for download.&lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  97.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/MY_Planck_XX.png" type="image/png" />
  98.      <pubDate>Fri, 28 Mar 2014 09:00:00 GMT</pubDate>
  99.      <author>szcluster-db@ias.u-psud.fr</author>
  100.      <guid />
  101.      <dc:date>2014-03-28T09:00:00Z</dc:date>
  102.    </item>
  103.    <item>
  104.      <title>SPT catalogue now online</title>
  105.      <link />
  106.      <description>A compilation of 225 SPT clusters (from Ruel et al. 2013, Reichardt et al. 2013, Williamson et al. 2011)  is now available.&lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  107.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/spt-logo-9.jpg" type="image/jpeg" />
  108.      <pubDate>Mon, 03 Feb 2014 09:00:00 GMT</pubDate>
  109.      <author>szcluster-db@ias.u-psud.fr</author>
  110.      <guid />
  111.      <dc:date>2014-02-03T09:00:00Z</dc:date>
  112.    </item>
  113.    <item>
  114.      <title>ACT catalogue now online</title>
  115.      <link />
  116.      <description>The ACT catalogue  (91 clusters from  Marriage et al. 2011 &amp; Hasselfield et al. 2013) is now available for download.&lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  117.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/act_logo.png" type="image/png" />
  118.      <pubDate>Wed, 19 Jun 2013 08:00:00 GMT</pubDate>
  119.      <author>szcluster-db@ias.u-psud.fr</author>
  120.      <guid />
  121.      <dc:date>2013-06-19T08:00:00Z</dc:date>
  122.    </item>
  123.    <item>
  124.      <title>Planck release</title>
  125.      <link />
  126.      <description>The largest all-sky catalogue of SZ sources delivered to the community, March 21st 2013, by the Planck Collaboration. &lt;br/&gt;Link: &lt;a style="color:blue;" href="http://szcluster-db.ias.u-psud.fr/"&gt;http://szcluster-db.ias.u-psud.fr/&lt;/a&gt;</description>
  127.      <enclosure url="http://szcluster-db.ias.u-psud.fr/sitools/upload/PSZ_distribution.png" type="image/png" />
  128.      <pubDate>Thu, 21 Mar 2013 09:30:00 GMT</pubDate>
  129.      <author>szcluster-db@ias.u-psud.fr</author>
  130.      <guid />
  131.      <dc:date>2013-03-21T09:30:00Z</dc:date>
  132.    </item>
  133.  </channel>
  134. </rss>
  135.  
  136.  

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