Tools & Wizards About Us
greenschools.net screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    19% of websites

greenschools.net

Green Schools Initiative : Index

Page Load Speed

1.2 sec in total

First Response

312 ms

Resources Loaded

726 ms

Page Rendered

191 ms

greenschools.net screenshot

About Website

Visit greenschools.net now to see the best up-to-date Green Schools content for United States and also check out these interesting facts you probably never knew about greenschools.net

We believe it is essential to protect children’s health – at school and in the world beyond school – and we work to catalyze and support “green” actions by kids, teachers, parents, and policymakers to...

Visit greenschools.net

Key Findings

We analyzed Greenschools.net page load time and found that the first response time was 312 ms and then it took 917 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

greenschools.net performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value2,390 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

greenschools.net

312 ms

styles_default.css

36 ms

styles.css

73 ms

functions.js

66 ms

jquery.js

6 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Greenschools.net, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (318 ms) belongs to the original domain Greenschools.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.0 kB (14%)

Content Size

475.2 kB

After Optimization

409.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Greenschools.net main page is 475.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 379.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.5 kB

  • Original 13.2 kB
  • After minification 12.9 kB
  • After compression 3.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 9.5 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 4.2 kB

  • Original 379.3 kB
  • After minification 375.1 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Green Schools images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 28.0 kB

  • Original 52.3 kB
  • After minification 39.5 kB
  • After compression 24.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 28.0 kB or 54% of the original size.

CSS Optimization

-80%

Potential reduce by 24.4 kB

  • Original 30.5 kB
  • After minification 23.4 kB
  • After compression 6.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Greenschools.net needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

28

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Green Schools. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

greenschools.net

greenschools.net

312 ms

styles_default.css

styles_default.css

36 ms

styles.css

styles.css

73 ms

functions.js

functions.js

66 ms

jquery.js

jquery.js

6 ms

jquery_cycle.js

jquery_cycle.js

86 ms

index.js

index.js

85 ms

ga.js

ga.js

5 ms

bg-drop_1.gif

bg-drop_1.gif

48 ms

bghome.gif

bghome.gif

241 ms

gs_sidebar.gif

gs_sidebar.gif

49 ms

gs_header.gif

gs_header.gif

143 ms

spacer.gif

spacer.gif

48 ms

facebook.gif

facebook.gif

70 ms

gs_nav1.gif

gs_nav1.gif

74 ms

gs_nav2.gif

gs_nav2.gif

71 ms

gs_nav3.gif

gs_nav3.gif

74 ms

gs_nav4.gif

gs_nav4.gif

103 ms

gs_nav5.gif

gs_nav5.gif

105 ms

gs_nav6.gif

gs_nav6.gif

107 ms

slide_what.jpg

slide_what.jpg

181 ms

slide_why.jpg

slide_why.jpg

201 ms

slide_how_2.jpg

slide_how_2.jpg

208 ms

gs_home_13.gif

gs_home_13.gif

142 ms

Brandeis.jpg

Brandeis.jpg

180 ms

gs_home_1.png

gs_home_1.png

318 ms

gs_home_18.gif

gs_home_18.gif

218 ms

gs_home_footer_left.gif

gs_home_footer_left.gif

253 ms

__utm.gif

__utm.gif

10 ms

Accessibility Review

greenschools.net accessibility score

64

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

greenschools.net best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

greenschools.net SEO score

50

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Greenschools.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Greenschools.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

greenschools.net

Open Graph description is not detected on the main page of Green Schools. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: