proj4js.org

Website review proj4js.org

PROJ4JS | Proj4js

 Generated on March 08 2026 04:16 AM

Old data? UPDATE !

The score is 55/100

SEO Content

Title

PROJ4JS | Proj4js

Length : 17

Perfect, your title contains between 10 and 70 characters.

Description

JavaScript library to transform coordinates from one coordinate system to another, including datum transformations

Length : 114

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

Keywords

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Og Meta Properties

Good, your page take advantage of Og Properties.

Property Content
title PROJ4JS
locale en_US
description JavaScript library to transform coordinates from one coordinate system to another, including datum transformations
url http://proj4js.org/
site_name Proj4js
type website

Headings

H1 H2 H3 H4 H5 H6
2 8 2 0 0 0
  • [H1] PROJ4JS
  • [H1] PROJ4JS
  • [H2] JavaScript library to transform coordinates from one coordinate system to another, including datum transformations
  • [H2] Installing
  • [H2] Using
  • [H2] Named Projections
  • [H2] Axis order
  • [H2] Datum Transformations
  • [H2] Grid Based Datum Adjustments
  • [H2] Developing
  • [H3] NTV2 format (.gsb)
  • [H3] GeoTIFF format (.tif)

Images

We found 1 images on this web page.

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

Text/HTML Ratio

Ratio : 0%

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.

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 10 links including 1 link(s) to files

Anchor Type Juice
PROJ External Passing Juice
then known as PROJ.4 External Passing Juice
Archive External Passing Juice
MetaCRS External Passing Juice
latest release External Passing Juice
cdnjs External Passing Juice
Grid Based Datum Adjustments External Passing Juice
GeoTIFF.js library External Passing Juice
proj4js External Passing Juice
GitHub Pages External Passing Juice

SEO Keywords

Keywords Cloud

Keywords Consistency

Keyword Content Title Keywords Description Headings

Usability

Url

Domain : proj4js.org

Length : 11

Favicon

Very bad. We have not found shortcut icon. Icons are one of easy ways to attract regular visitors to your website more often.

Printability

Great. We have found 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.
Perfect. No inline css has been found in HTML tags!
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

Missing

Your website does not have an XML sitemap - this can be problematic.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.

Robots.txt

https://proj4js.org/robots.txt

Great, your website has a robots.txt file.

Analytics

Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights

Device
Categories

Free SEO Testing Tool

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