An honest scope for a client-side competitor tool
A full competitor analysis tool in the usual sense — one that automatically discovers a competitor's rankings, backlinks, traffic estimates, and keyword gaps — depends on large third-party data indexes and live web crawling, none of which a page running only in your own browser can access. Rather than fake that kind of automated discovery, this tool does something more modest and completely honest: it compares two pieces of content that you paste in yourself, side by side, on straightforward structural metrics that are genuinely useful during content planning and editing.
The workflow this is built for is simple: copy the main body text from a competing page that ranks well for a topic you're also targeting, paste it alongside your own draft or published content, and get an immediate, objective comparison of scale and structure rather than relying on a rough visual impression of "their page feels longer" or "mine feels more detailed."
What the comparison metrics tell you
Word count is the most direct measure of how much ground each piece covers, though it's worth treating a large word-count gap as a prompt to investigate rather than an instruction to simply pad your content to match — a shorter page that answers a question more directly and completely can outperform a longer page that repeats itself or wanders off-topic. If a competitor's page is substantially longer, it's worth reading through it specifically to see whether that length reflects genuinely useful additional detail your own content is missing, or filler that doesn't add real value.
Average words per sentence is a rough proxy for reading difficulty and pacing — a much higher number on one side often means longer, more complex sentence structures, which can make content feel harder to skim and digest, particularly for topics where readers are looking for a quick, clear answer rather than an in-depth academic treatment. Sentence count alongside word count also indicates paragraph rhythm; a page with many short sentences tends to read faster and feel more scannable than one with the same word count packed into fewer, longer sentences.
Using this alongside the other content tools on this site
Once you've identified a meaningful gap using this comparator, the Keyword Density Checker and Keyword Position & Prominence Checker elsewhere on this site can help you evaluate whether your revised draft addresses the topic with the same clarity and focus as the version you're benchmarking against, without needing to copy a competitor's specific phrasing or structure.
What to look for beyond the numbers
Numbers are a starting point, not the whole picture — after reviewing the metrics, it's worth reading both pieces of content side by side for a few minutes to note what topics, sub-questions, or details the competitor covers that your draft doesn't, and vice versa. A page can have a lower word count and still cover a topic more completely if it's written with less repetition and fewer unnecessary tangents, so use this tool to flag where a meaningful gap in scale exists, then rely on your own judgment about content quality to decide whether that gap actually reflects a real content shortfall worth addressing.