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northandoverpublicschools.com screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

northandoverpublicschools.com

Home - North Andover Public Schools

Page Load Speed

1 sec in total

First Response

65 ms

Resources Loaded

815 ms

Page Rendered

158 ms

northandoverpublicschools.com screenshot

About Website

Welcome to northandoverpublicschools.com homepage info - get ready to check North Andover Public Schools best content for United States right away, or after learning these important things about northandoverpublicschools.com

Home - North Andover Public Schools is a K-12 district in North Andover, MA with eight different schools serving a student population of ~4,500 students.

Visit northandoverpublicschools.com

Key Findings

We analyzed Northandoverpublicschools.com page load time and found that the first response time was 65 ms and then it took 973 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

northandoverpublicschools.com performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value2,330 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value1.295

1/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

northandoverpublicschools.com

65 ms

global.css

86 ms

topnav.css

88 ms

css.css

88 ms

css_menu.css

89 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 29% of them (9 requests) were addressed to the original Northandoverpublicschools.com, 16% (5 requests) were made to Translate.googleapis.com and 13% (4 requests) were made to F.vimeocdn.com. The less responsive or slowest element that took the longest time to load (435 ms) relates to the external source Platform.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 368.8 kB (46%)

Content Size

809.5 kB

After Optimization

440.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Northandoverpublicschools.com main page is 809.5 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. Javascripts take 440.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.7 kB

  • Original 27.3 kB
  • After minification 26.7 kB
  • After compression 6.6 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 20.7 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 755 B

  • Original 207.8 kB
  • After minification 207.1 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. North Andover Public Schools images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 233.5 kB

  • Original 440.7 kB
  • After minification 440.6 kB
  • After compression 207.2 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 233.5 kB or 53% of the original size.

CSS Optimization

-85%

Potential reduce by 114.0 kB

  • Original 133.7 kB
  • After minification 130.5 kB
  • After compression 19.8 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. Northandoverpublicschools.com needs all CSS files to be minified and compressed as it can save up to 114.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (57%)

Requests Now

30

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of North Andover Public 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 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

northandoverpublicschools.com

northandoverpublicschools.com

65 ms

global.css

global.css

86 ms

topnav.css

topnav.css

88 ms

css.css

css.css

88 ms

css_menu.css

css_menu.css

89 ms

css_user_defined.css

css_user_defined.css

89 ms

jquery.min.js

jquery.min.js

25 ms

preload.js

preload.js

98 ms

element.js

element.js

47 ms

ga.js

ga.js

6 ms

spacer.gif

spacer.gif

33 ms

banner3_4.jpg

banner3_4.jpg

31 ms

cms4schools_logo_grey.png

cms4schools_logo_grey.png

30 ms

text3936_9.jpg

text3936_9.jpg

30 ms

translateelement.css

translateelement.css

51 ms

main.js

main.js

74 ms

__utm.gif

__utm.gif

16 ms

widgets.js

widgets.js

99 ms

139453894

139453894

61 ms

element_main.js

element_main.js

44 ms

player.js

player.js

129 ms

player.css

player.css

129 ms

ga.js

ga.js

77 ms

vuid.min.js

vuid.min.js

136 ms

translate_24dp.png

translate_24dp.png

109 ms

l

l

73 ms

cleardot.gif

cleardot.gif

421 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

435 ms

__utm.gif

__utm.gif

45 ms

te_ctrl3.gif

te_ctrl3.gif

330 ms

proxy.html

proxy.html

292 ms

Accessibility Review

northandoverpublicschools.com accessibility score

68

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

northandoverpublicschools.com 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

northandoverpublicschools.com SEO score

89

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

High

Tap targets are not sized appropriately

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 Northandoverpublicschools.com 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 Northandoverpublicschools.com 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

northandoverpublicschools.com

Open Graph description is not detected on the main page of North Andover Public 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: