On-Page SEO
Optimise every page: title and meta tags, headings, content, keywords, social metadata and images.
Tools in On-Page SEO
- Meta Title CheckerPaste your title tag to see whether it fits in Google results: length, pixel width, keyword position and a live preview.Free · runs in your browser
- Meta Description CheckerPaste your meta description to see how Google may show it: length, pixel width, desktop and mobile previews and keyword use.Free · runs in your browser
- Meta Tag AnalyzerPaste a page's HTML or enter its URL to list every meta tag in one table and spot the ones that are missing or off.Free · no account needed
- SERP Snippet PreviewEdit the title, URL and description to see a simulated Google result on desktop and mobile, with cut-offs measured in pixels.Free · runs in your browser
- H1 CheckerPaste a page's HTML or enter its URL to see how many H1 tags it has and whether each one is sound.Free · no account needed
- Heading Structure AnalyzerPaste a page's HTML or enter its URL to see its heading outline as a tree and catch broken hierarchy.Free · no account needed
- Keyword Density CheckerMeasure how often your keywords appear in a text and spot the words and phrases you repeat without meaning to.Free · runs in your browser
- N-Gram AnalyzerSpot the word sequences your text repeats most: bigrams, trigrams and longer, ready to export as CSV.Free · runs in your browser
- Word CounterPaste or type a text to get its word, sentence and paragraph count, along with an estimate of its reading time.Free · runs in your browser
- Character CounterMeasure the exact length of a text and see at a glance whether it fits an X post, a title tag or a meta description.Free · runs in your browser
- Reading Time CalculatorPaste an article to estimate how long it takes to read, or to say aloud, with a speed you can adjust for each language.Free · runs in your browser
- Readability CheckerPaste a text to get a readability score matched to its language and to find the sentences that run too long.Free · runs in your browser
- Text-to-HTML Ratio CalculatorPaste a page's HTML or enter its URL to measure how much of the code is readable text and how heavy the inline scripts and styles are.Free · no account needed
- SEO Content ChecklistTick items as you write: the checklist tracks your progress and puts the basics first, from search intent to indexability.Free · runs in your browser
- Keyword Placement CheckerEnter a keyword and paste the page HTML (or type the fields) to see which key locations mention it.Free · runs in your browser
- Duplicate Line CheckerPaste a list with one item per line: the tool shows which lines repeat and where, and gives back a clean list without duplicates.Free · runs in your browser
- Duplicate Text ComparisonPaste two versions of a text: the tool computes their similarity, lists the shared sentences and highlights what was added or removed.Free · runs in your browser
- Stop Word RemoverPaste a text and the tool strips the stop words (articles, prepositions, pronouns…) and keeps the meaningful words, in four languages.Free · runs in your browser
- Case ConverterPaste text and pick a style: uppercase, title case, sentence case or code formats such as camelCase and kebab-case.Free · runs in your browser
- Anchor Text AnalyzerPaste the HTML of a page or article to extract every anchor text and see which ones are vague, empty or repeated.Free · runs in your browser
- Open Graph GeneratorFill in the title, description, image and URL: the tool outputs the meta tags to paste in the <head> and checks for common mistakes.Free · runs in your browser
- Open Graph Checker & Social PreviewEnter a URL or paste the HTML: the tool extracts every social tag, shows the link preview and lists what to fix.Free · no account needed
- Twitter/X Card GeneratorPick the card type and fill the fields: the tool generates the twitter:* tags, shows a preview and checks for common mistakes.Free · runs in your browser
- Image Alt CheckerAudit every image on a page: alt missing, empty, too long, copied from the file name or repeated. Paste the HTML or fetch a public URL.Free · no account needed
- Image Filename SEO CheckerCheck that your images have readable names: descriptive, lowercase, hyphen-separated and free of camera-style names.Free · runs in your browser
- Image Dimension AnalyzerCheck that every image declares its dimensions and responsive versions, and optionally compare the real file size with the size shown on the page.Free · runs in your browser
- Image SEO ChecklistReview your images with an interactive checklist: format, weight, file names, markup, loading and indexing.Free · runs in your browser