public override void Analyse(IPageData pageData)
{
if (pageData == null)
{
throw new ArgumentNullException(nameof(pageData));
}
try
{
var metaTags = _htmlTagHelper.GetMetaTags(pageData.Document);
var attributeValues = from metaTag in metaTags
let attribute = metaTag.GetAttribute("name")
where attribute != null
where attribute.Value == "description"
select metaTag.GetAttribute("content");
if (!attributeValues.Any())
{
AddResultRule("no_meta_description_tag", ResultType.Warning);
}
else if (attributeValues.Count() > 1)
{
AddResultRule("multiple_meta_description_tags", ResultType.Warning);
}
else
{
var firstMetaDescriptionTag = attributeValues.FirstOrDefault();
var descriptionValue = firstMetaDescriptionTag.Value;
if (descriptionValue.IndexOf(pageData.Focuskeyword, StringComparison.InvariantCultureIgnoreCase) >= 0)
{
AddResultRule("meta_description_contains_keyword", ResultType.Success);
}
else
{
AddResultRule("meta_description_doesnt_contain_keyword", ResultType.Hint);
}
}
}
catch (NoElementFoundException e)
{
AddResultRule("no_" + e.ElementName + "_tag", ResultType.Warning);
}
}
public override void Analyse(IPageData pageData)
{
if (pageData == null)
{
throw new ArgumentNullException(nameof(pageData));
}
try
{
var metaTags = _htmlTagHelper.GetMetaTags(pageData.Document);
if (metaTags != null && metaTags.Any())
{
AnalyzeMetaTags(metaTags);
}
}
catch (NoElementFoundException e)
{
AddResultRule("no_" + e.ElementName + "_tag", ResultType.Error);
}
}