Sometimes there are parts of your website you don't want accessed by the search engines - for any number of reasons, like sensitive private data, articles that require subscriptions - whatever.
about robots.txt at length, it often good to remember the newbies (hi, newbies!). So it was good timing that this
This stops Google from indexing this file. META tags are particularly useful if you have permission to edit the individual files but not the site-wide robots.txt. They also allow you to specify complex access-control policies on a page-by-page basis.
If you understand that, you're far, far ahead of 
 {
function initCopyableSections() {
document.querySelectorAll('.article-content .copyable-section').forEach(function(section) {
if (section.querySelector('.copyable-section__btn')) return;
var btn = document.createElement('button');
btn.type = 'button';
btn.className = 'copyable-section__btn';
btn.setAttribute('aria-label', 'Copy to clipboard');
var label = section.getAttribute('data-copy-label');
btn.textContent = label ? 'Copy ' + label : 'Copy';
section.appendChild(btn);
btn.addEventListener('click', function() {
var contentEl = section.querySelector('.copyable-section__content');
var text;
if (contentEl) {
text = contentEl.textContent.trim();
} else {
var clone = section.cloneNode(true);
var btnClone = clone.querySelector('.copyable-section__btn');
if (btnClone) btnClone.parentNode.removeChild(btnClone);
text = clone.textContent.trim();
}
if (!text) return;
navigator.clipboard.writeText(text).then(function() {
var t = btn.textContent;
btn.textContent = 'Copied!';
btn.classList.add('copied');
setTimeout(function() {
btn.textContent = t;
btn.classList.remove('copied');
}, 2000);
});
});
});
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initCopyableSections);
} else {
initCopyableSections();
}
})();
</script>
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