al1gned

Get-ChildItem -Path $folderPath -File -Recurse | Where-Object { $_.Extension -eq ".html" } | ForEach-Object {
    $fileName = $_.Name
    $fileCounts = @{}
    $content = Get-Content -Path $_.FullName -Raw
    foreach ($searchString in $searchStrings) {
        $occurrences = ($content | Select-String -Pattern $searchString -AllMatches).Matches.Count
        $fileCounts[$searchString] = $occurrences
    }

al1gned

$folderPath = Get-Location
$searchStrings = @("</div>", "</h5>", "</h1>", "</a>", "</p>", "</table>", "</td>", "</tr>", "</th>", "<br>", "<img", "</address>")

Get-ChildItem -Path $folderPath -File -Recurse | Where-Object { $_.Extension -eq ".html" } | ForEach-Object {
    $fileName = $_.Name
    $fileCounts = @{}
    $content = Get-Content -Path $_.FullName -Raw
    foreach ($searchString in $searchStrings) {
        $occurrences = ($content | Select-String -Pattern $searchString -AllMatches).Matches.Count
        $fileCounts[$searchString] = $occurrences