Why preview meta tags before publishing?
Your page title and meta description are often the only things a search user sees before deciding whether to click your result. A title that is 3 characters too long gets truncated at a random point in Google's SERP display. A description that is underwhelming or cut off mid-sentence loses clicks to competing results. A social sharing image that is the wrong aspect ratio appears stretched or cropped in Twitter cards and Facebook previews. Seeing exactly how these elements will appear — before the page is published — lets you fix them when the cost is zero, rather than after they have been live and underperforming for months.
The Google SERP preview
The Google search result preview shows how your page will appear in desktop search results: the breadcrumb URL (showing your domain and path), the blue clickable title, and the grey description text below. The preview applies Google's actual truncation rules — titles longer than approximately 600 pixels (roughly 60 characters in a typical font) are truncated with an ellipsis. The preview correctly handles variable character widths, so a title full of wide characters (M, W, uppercase letters) may truncate at fewer than 60 characters, while a title with narrow characters (i, l, lowercase t) may fit more.
Title best practices
The title tag serves two audiences simultaneously: search engines, which use it as a primary relevance signal, and users, which use it to decide whether to click. Write titles that include your primary keyword (ideally near the start), clearly describe the page content, and create enough curiosity or promise of value to earn the click over competing results. Keep under 60 characters to avoid truncation. Avoid title tags that are just your brand name — users searching for information want to know what they will find, not just who made it.
Meta description best practices
Aim for 120–158 characters. Shorter descriptions may leave Google to auto-generate text from your page content, which is often less compelling than a hand-crafted description. Longer descriptions will be truncated. Write descriptions as compelling ad copy, not summaries: include an action word, the primary benefit, and a reason to click that distinguishes your page from competitors. Google does not use the meta description as a ranking signal, but it significantly affects click-through rate — a 0.5% improvement in CTR on a high-impression keyword can drive meaningful traffic increases.
Social sharing previews
Click the Twitter/X and Facebook/LinkedIn tabs to see how your page will appear when shared on those platforms. Twitter's summary_large_image card shows a full-width image (at least 600×314px, ideally 1200×675px), your domain, title, and description. Facebook and LinkedIn use Open Graph tags — og:title, og:description, og:image — to generate link preview cards. The image (og:image, 1200×630px recommended) is the most visually impactful element and the most often overlooked. The previewer shows the text portion; add a representative image URL to the og:image tag in your HTML.
The HTML output
The ready-to-use HTML panel at the bottom generates the complete set of meta tags for your page based on your inputs: the HTML title tag, meta description, canonical link, Open Graph tags for Facebook/LinkedIn, and Twitter card tags. Copy and paste this block into your page's <head> section. Update the og:image URL to point to your actual sharing image before publishing.