wasi.dev

Website review wasi.dev

Introduction · WASI.dev

 Generated on March 06 2026 17:06 PM

Old data? UPDATE !

The score is 61/100

SEO Content

Title

Introduction · WASI.dev

Length : 23

Perfect, your title contains between 10 and 70 characters.

Description

The WebAssembly System Interface (WASI) is a group of standards-track API specifications for software compiled to the W3C WebAssembly (Wasm) standard. WASI is designed to provide a secure standard interface for applications that can be compiled to Wasm from any language, and that may run anywhere—from browsers to clouds to embedded devices.

Length : 348

Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.

Keywords

Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.

Og Meta Properties

Good, your page take advantage of Og Properties.

Property Content
url https://wasi.dev/
locale en
title Introduction · WASI.dev
description The WebAssembly System Interface (WASI) is a group of standards-track API specifications for software compiled to the W3C WebAssembly (Wasm) standard. WASI is designed to provide a secure standard interface for applications that can be compiled to Wasm from any language, and that may run anywhere—from browsers to clouds to embedded devices.

Headings

H1 H2 H3 H4 H5 H6
1 3 0 0 0 0
  • [H1] Introduction
  • [H2] Who are we?​
  • [H2] Who are you?​
  • [H2] How to get started​

Images

We found 2 images on this web page.

Good, most or all of your images have alt attributes.

Text/HTML Ratio

Ratio : 18%

Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.

Flash

Perfect, no Flash content has been detected on this page.

Iframe

Great, there are no Iframes detected on this page.

URL Rewrite

Good. Your links looks friendly!

Underscores in the URLs

We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.

In-page links

We found a total of 25 links including 3 link(s) to files

Anchor Type Juice
baseUrl configuration External Passing Juice
Skip to main content Internal Passing Juice
Introduction Internal Passing Juice
Interfaces Internal Passing Juice
Resources Internal Passing Juice
Contribute Internal Passing Juice
Roadmap Internal Passing Juice
W3C WebAssembly (Wasm) standard External Passing Juice
GitHub repo External Passing Juice
​ Internal Passing Juice
GitHub issues External Passing Juice
pull requests External Passing Juice
bi-weekly Zoom meetings External Passing Juice
​ Internal Passing Juice
​ Internal Passing Juice
Wasmtime External Passing Juice
WAMR External Passing Juice
WasmEdge External Passing Juice
wazero External Passing Juice
Wasmer External Passing Juice
wasmi External Passing Juice
wasm3 External Passing Juice
jco External Passing Juice
pywasm External Passing Juice
WebAssembly Component Model External Passing Juice

SEO Keywords

Keywords Cloud

wasi webassembly wasm wasidev different github components standard applications introduction

Keywords Consistency

Keyword Content Title Keywords Description Headings
wasi 15
introduction 6
wasm 6
webassembly 6
github 4

Usability

Url

Domain : wasi.dev

Length : 8

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

Great no email address has been found in plain text!

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
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Great, your website has an XML sitemap.

https://wasi.dev/sitemap.xml
http://wasi.dev/sitemap.xml

Robots.txt

https://wasi.dev/robots.txt

Great, your website has a robots.txt file.

Analytics

Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.

PageSpeed Insights


Device
Categories

Free SEO Testing Tool

Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.