Website review esm.sh
ESM>CDN
Generated on March 06 2026 13:36 PM
Old data? UPDATE !
The score is 56/100
SEO Content
Title
ESM>CDN
Length : 7
Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description
A fast, smart & global CDN for modern(es2015+) web development.
Length : 63
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
js,javascript,typescript,modern,web,dev,development,esm,es2015,es6,deno,npm,github,global,cdn,infrastructure,esbuild
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | ESM>CDN |
| description | A fast, smart & global CDN for modern(es2015+) web development. |
| image | https://esm.sh/og-image.png |
| url | https://esm.sh |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 6 | 18 | 3 | 0 | 0 |
- [H1]
- [H2] FastSmartGlobalESM>CDN
- [H2] Sponsors
- [H2] How to Use
- [H2] Using Import Maps
- [H2] Using esm.sh/tsx
- [H2] FAQs
- [H3] Create modern(es2015+) web apps easily with NPM packages in browser/deno.
- [H3] We are grateful to our sponsors for their support.
- [H3] Get started with JavaScript module syntax.
- [H3] Supported Registries
- [H3] Transforming .ts(x)/.vue/.svelte on the Fly
- [H3] Specifying Dependencies
- [H3] Aliasing Dependencies
- [H3] Bundling Strategy
- [H3] Tree Shaking
- [H3] Development Build
- [H3] ESBuild Options
- [H3] CSS-In-JS
- [H3] Web Worker
- [H3] Escape Hatch: Raw Source Files
- [H3] Deno Compatibility
- [H3] Use bare import specifiers instead of URLs.
- [H3] TSX just works in browsers.
- [H3] Frequently asked questions.
- [H4] No build tools needed!
- [H4] Anthony Fu
- [H4] Guillermo Rauch
Images
We found 3 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 1%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 25 links including 2 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Docs | Internal | Passing Juice |
| TSX | Internal | Passing Juice |
| FAQ | Internal | Passing Juice |
| JavaScript modules | External | Passing Juice |
| import maps | External | Passing Juice |
| NPM | External | Passing Juice |
| JSR | External | Passing Juice |
| GitHub | External | Passing Juice |
| pkg.pr.new | External | Passing Juice |
| Conditions | External | Passing Juice |
| Keep names | External | Passing Juice |
| Ignore annotations | External | Passing Juice |
| https://unpkg.com/ | External | Passing Juice |
| https://www.jsdelivr.net/ | External | Passing Juice |
| link | External | Passing Juice |
| @esm.sh/tsx | External | Passing Juice |
| solid-js | Internal | Passing Juice |
| ES6 Module | External | Passing Juice |
| Deno | External | Passing Juice |
| self hosting guide | External | Passing Juice |
| integrity metadata map | External | Passing Juice |
| GitHub | External | Passing Juice |
| GitHub | External | Passing Juice |
| @ije | External | Passing Juice |
| Cloudflare | External | Passing Juice |
SEO Keywords
Keywords Cloud
cdn examples latest jsr starts from pkgprnew tslib react import
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| import | 7 |  |
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| from | 7 | |
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| latest | 3 | |
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| tslib | 3 | |
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| react | 3 | |
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Usability
Url
Domain : esm.sh
Length : 6
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Too bad, your website is using inline styles. |
|
Great, your website has few CSS files. |
|
Perfect, your website has few JavaScript files. |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://esm.sh/sitemap.xml |
Robots.txt
https://esm.sh/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
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