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groton.org screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

groton.org

Groton School | Boarding School in Groton, Massachusetts

Page Load Speed

559 ms in total

First Response

33 ms

Resources Loaded

342 ms

Page Rendered

184 ms

groton.org screenshot

About Website

Welcome to groton.org homepage info - get ready to check Groton best content for United States right away, or after learning these important things about groton.org

Welcome to Groton School! Groton is a private, college-prep, boarding and day school for girls and boys in grades 8-12, located in Groton, Massachusetts.

Visit groton.org

Key Findings

We analyzed Groton.org page load time and found that the first response time was 33 ms and then it took 526 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

groton.org performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

groton.org

33 ms

www.groton.org

37 ms

page

29 ms

css

39 ms

page-framework.css

34 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 10% of them (3 requests) were addressed to the original Groton.org, 77% (24 requests) were made to Mediafiles01.myschoolcdn.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (162 ms) relates to the external source 112.2o7.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 638.6 kB (69%)

Content Size

921.9 kB

After Optimization

283.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Groton.org main page is 921.9 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. 45% of websites need less resources to load. Javascripts take 444.7 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 227.8 kB

  • Original 255.4 kB
  • After minification 244.0 kB
  • After compression 27.6 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 227.8 kB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 2.4 kB

  • Original 95.1 kB
  • After minification 92.6 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. Groton images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 303.5 kB

  • Original 444.7 kB
  • After minification 443.9 kB
  • After compression 141.2 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 303.5 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 105.0 kB

  • Original 126.8 kB
  • After minification 125.0 kB
  • After compression 21.9 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. Groton.org needs all CSS files to be minified and compressed as it can save up to 105.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (21%)

Requests Now

28

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Groton. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

groton.org

groton.org

33 ms

www.groton.org

www.groton.org

37 ms

page

page

29 ms

css

css

39 ms

page-framework.css

page-framework.css

34 ms

page-main.css

page-main.css

27 ms

head.min.js

head.min.js

21 ms

VisitorAPI.js

VisitorAPI.js

62 ms

AppMeasurement.js

AppMeasurement.js

64 ms

page-framework.js

page-framework.js

60 ms

page-main.js

page-main.js

59 ms

analytics.js

analytics.js

59 ms

large_link420090_34297.png

large_link420090_34297.png

33 ms

hover_link420090_34297.png

hover_link420090_34297.png

34 ms

search.png

search.png

35 ms

GrotonHome.png

GrotonHome.png

36 ms

large_link191987_23892.png

large_link191987_23892.png

37 ms

large_link191988_23891.png

large_link191988_23891.png

34 ms

large_link191989_23890.png

large_link191989_23890.png

35 ms

large_link191990_23889.png

large_link191990_23889.png

36 ms

large_link283489_23902.png

large_link283489_23902.png

36 ms

large_link191991_23888.png

large_link191991_23888.png

37 ms

large_link191992_23887.png

large_link191992_23887.png

37 ms

large_link422006_34476.png

large_link422006_34476.png

41 ms

hover_link422006_34476.png

hover_link422006_34476.png

38 ms

large_link422007_34477.png

large_link422007_34477.png

37 ms

hover_link422007_34477.png

hover_link422007_34477.png

37 ms

large_link422009_34478.png

large_link422009_34478.png

38 ms

hover_link422009_34478.png

hover_link422009_34478.png

37 ms

id

id

162 ms

collect

collect

38 ms

Accessibility Review

groton.org accessibility score

89

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

groton.org best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

groton.org SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Groton.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Groton.org 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

groton.org

Open Graph description is not detected on the main page of Groton. 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: