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Website review

 Generated on June 22 2019 21:08 PM

The score is 54/100

SEO Content


CodeSandbox: Online Code Editor Tailored for Web Application Development

Length : 72

Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free text length calculator to calculate text length.

CodeSandbox is an online code editor with a focus on creating and sharing web application projects

Length : 98

Great, your meta description contains between 70 and 160 characters.

react, codesandbox, editor, code, javascript, playground, sharing, spa, single, page, application, web, application, frontend, front, end

Good, your page contains meta keywords.
Og Meta Properties Good, your page takes advantage of OG Meta Properties.
Property Content
type website
image:width 1200
image:height 630
H1 H2 H3 H4 H5 H6
1 6 6 12 3 0
  • [H1] CodeSandbox
  • [H2] The online code editor for web applications
  • [H2] CodeSandbox is an online editor that helps you create web applications, from prototype to deployment.
  • [H2] Share in a single click
  • [H2] Be Productive, Anywhere
  • [H2] There's more
  • [H2] Become a Patron
  • [H3] Tailored for web applications
  • [H3] Description
  • [H3] Supported Loaders
  • [H3] CSS Scoping Support
  • [H3] Recent Publications
  • [H3] Who's using CodeSandbox?
  • [H4] Vanilla
  • [H4] NPM Support
  • [H4] Search & Discovery
  • [H4] Embedding
  • [H4] Import
  • [H4] Build
  • [H4] Commit
  • [H4] Deploy
  • [H4] You can follow our blog to stay up to date with new publications.
  • [H4] CodeSandbox Containers out of Beta & Improvements
  • [H4] Announcing CodeSandbox v3
  • [H4] Improving the CodeSandbox Community
  • [H5] CodeSandbox
  • [H5] About
  • [H5] Social
Images We found 26 images on this web page.

Good, most or all of your images have alt attributes
Text/HTML Ratio Ratio : 2%

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 Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.

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 22 links including 0 link(s) to files

Anchor Type Juice
Explore Internal Passing Juice
Search Internal Passing Juice
Docs Internal Passing Juice
Blog Internal Passing Juice
GitHub External Passing Juice
Careers Internal Passing Juice
Sign In Internal Passing Juice
Create Sandbox Internal Passing Juice
parcel External Passing Juice
Learn how it works. External Passing Juice
GitHub External Passing Juice
patron Internal Passing Juice
ESLint External Passing Juice External Passing Juice
codesandbox-cli External Passing Juice
our blog External Passing Juice
More Users Internal Passing Juice
Blog External Passing Juice
Legal Internal Passing Juice
Contact Us Internal Passing Juice
Twitter External Passing Juice
Spectrum External Passing Juice

SEO Keywords

Keywords Cloud easily sandbox deploy more open code want patron codesandbox github
Keywords Consistency
Keyword Content Title Keywords Description Headings
codesandbox 12
sandbox 8
patron 6
open 6
github 5


Url Domain :
Length : 14
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.


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 this 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.
Too bad, your website has too many JS files (more than 6).
Too bad, your website does not take advantage of gzip.


Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap Great, your website has an XML sitemap.
Robots.txt Missing

Your website doesn't have a robots.txt file - this can be problematic.

A robots.txt file allows you to restrict the access of search engine robots that crawl the web and it can prevent these robots from accessing specific directories and pages. It also specifies where the XML sitemap file is located.
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