Tools & Wizards About Us
bostonpublicschools.org screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

bostonpublicschools.org

Home - Boston Public Schools

Page Load Speed

2.1 sec in total

First Response

51 ms

Resources Loaded

1.7 sec

Page Rendered

279 ms

bostonpublicschools.org screenshot

About Website

Click here to check amazing Boston Public Schools content for United States. Otherwise, check out these important facts you probably never knew about bostonpublicschools.org

Home - Boston Public Schools

Visit bostonpublicschools.org

Key Findings

We analyzed Bostonpublicschools.org page load time and found that the first response time was 51 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

bostonpublicschools.org performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value26.8 s

0/100

25%

SI (Speed Index)

Value26.7 s

0/100

10%

TBT (Total Blocking Time)

Value15,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.759

6/100

15%

TTI (Time to Interactive)

Value42.0 s

0/100

10%

Network Requests Diagram

bostonpublicschools.org

51 ms

www.bostonpublicschools.org

23 ms

www.bostonpublicschools.org

146 ms

pendo.js

147 ms

sri-failover.min.js

22 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 48% of them (43 requests) were addressed to the original Bostonpublicschools.org, 12% (11 requests) were made to Extend.schoolwires.com and 10% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (564 ms) relates to the external source Google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 391.0 kB (17%)

Content Size

2.3 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bostonpublicschools.org main page is 2.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 344.3 kB

  • Original 423.4 kB
  • After minification 417.4 kB
  • After compression 79.1 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 344.3 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 3.3 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. Boston Public Schools images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 25.2 kB

  • Original 495.7 kB
  • After minification 493.4 kB
  • After compression 470.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 18.3 kB

  • Original 353.2 kB
  • After minification 353.0 kB
  • After compression 334.9 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. Bostonpublicschools.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 55 (73%)

Requests Now

75

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boston 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 41 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bostonpublicschools.org

bostonpublicschools.org

51 ms

www.bostonpublicschools.org

www.bostonpublicschools.org

23 ms

www.bostonpublicschools.org

www.bostonpublicschools.org

146 ms

pendo.js

pendo.js

147 ms

sri-failover.min.js

sri-failover.min.js

22 ms

OpenSans-Light.css

OpenSans-Light.css

51 ms

OpenSans-Italic.css

OpenSans-Italic.css

50 ms

OpenSans-Regular.css

OpenSans-Regular.css

88 ms

OpenSans-SemiBold.css

OpenSans-SemiBold.css

79 ms

shepherd-theme-default.css

shepherd-theme-default.css

86 ms

jquery.jgrowl.css

jquery.jgrowl.css

86 ms

system_2741.css

system_2741.css

123 ms

apps_2590.css

apps_2590.css

111 ms

jQueryUI.css

jQueryUI.css

108 ms

SchoolwiresMobile_2320.css

SchoolwiresMobile_2320.css

98 ms

dashboard.css

dashboard.css

99 ms

Grid.css

Grid.css

117 ms

WCM.js

WCM.js

118 ms

API.js

API.js

116 ms

jQuery.min.js

jQuery.min.js

199 ms

jQueryMigrate.min.js

jQueryMigrate.min.js

143 ms

swfobject.js

swfobject.js

108 ms

tether.min.js

tether.min.js

214 ms

shepherd.min.js

shepherd.min.js

198 ms

js

js

142 ms

css

css

111 ms

cs.global.min.css

cs.global.min.css

104 ms

cs.tcw.upgrade.min.js

cs.tcw.upgrade.min.js

103 ms

head.min.js

head.min.js

112 ms

creative.responsive.menu.v2.min.js

creative.responsive.menu.v2.min.js

135 ms

cs.rs.multimedia.rotator.v2.min.js

cs.rs.multimedia.rotator.v2.min.js

133 ms

creative.app.accordion.min.js

creative.app.accordion.min.js

133 ms

creative.translate.min.js

creative.translate.min.js

135 ms

school-list-config.js

school-list-config.js

192 ms

joel.mod-events.min.js

joel.mod-events.min.js

135 ms

creativeIcons.v4.min.js

creativeIcons.v4.min.js

135 ms

creativeIcons.v4.min.css

creativeIcons.v4.min.css

238 ms

cs.global.min.js

cs.global.min.js

138 ms

iframe_api

iframe_api

205 ms

widgets.js

widgets.js

258 ms

SW-UI_2680.min.js

SW-UI_2680.min.js

187 ms

jQueryUI.min.js

jQueryUI.min.js

232 ms

jquery.sectionlayer.js

jquery.sectionlayer.js

252 ms

Initialize_2560.js

Initialize_2560.js

254 ms

swfobject.min.js

swfobject.min.js

253 ms

jquery.ajaxupload_2440.min.js

jquery.ajaxupload_2440.min.js

254 ms

json2.js

json2.js

251 ms

CheckScript_2780.js

CheckScript_2780.js

255 ms

analytics.js

analytics.js

115 ms

sw-mystart-search.png

sw-mystart-search.png

68 ms

53602166433_a53b64e0d3_c.jpg

53602166433_a53b64e0d3_c.jpg

112 ms

53599930121_8e5d18c706_c.jpg

53599930121_8e5d18c706_c.jpg

110 ms

d2b5e932-113f-4b60-bff7-df59b838b4d5.JPG

d2b5e932-113f-4b60-bff7-df59b838b4d5.JPG

111 ms

Best%20of%20Green%20Schools%20Award.jpg

Best%20of%20Green%20Schools%20Award.jpg

110 ms

WCM_logo.svg

WCM_logo.svg

68 ms

sw-mystart-bg.png

sw-mystart-bg.png

68 ms

js

js

54 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3ig.ttf

114 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDOUhdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDOUhdTQ3ig.ttf

146 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmdTQ3ig.ttf

167 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTQ3ig.ttf

167 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDBImdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDBImdTQ3ig.ttf

168 ms

www-widgetapi.js

www-widgetapi.js

100 ms

collect

collect

86 ms

collect

collect

132 ms

texture-dots.png

texture-dots.png

131 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

51 ms

ku0cTHTDsZM

ku0cTHTDsZM

151 ms

place

place

564 ms

sw-footer-overlay.png

sw-footer-overlay.png

143 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

133 ms

overlay-modal-background.png

overlay-modal-background.png

107 ms

element.js

element.js

234 ms

Untitled.png

Untitled.png

168 ms

Section-B-Background.png

Section-B-Background.png

197 ms

www-player.css

www-player.css

83 ms

www-embed-player.js

www-embed-player.js

166 ms

base.js

base.js

197 ms

settings

settings

399 ms

js

js

271 ms

ad_status.js

ad_status.js

260 ms

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

kU4Rx5JHEmgSoxK4ktgTHxPMlE6UmJTXlOqVJxVaFZsAAEAAABdAx0AGgAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAOAK4AAQAAAAAAAQANAAAAAQAAAAAAAgAHAJYAAQAAAAAAAwANAEgAAQAAAAAABAANAKsAAQAAAAAABQALACcAAQAAAAAABgANAG8AAQAAAAAACgAaANIAAwABBAkAAQAaAA0AAwABBAkAAgAOAJ0AAwABBAkAAwAaAFUAAwABBAkABAAaALgAAwABBAkABQAWADIAAwABBAkABgAaAHwAAwABBAkACgA0AOxjb21tdW5pY2F0aW9uAGMAbwBtAG0AdQBuAGkAYwBhAHQAaQBvAG5WZXJzaW9uIDEuMABWAGUAcgBzAGkAbwBuACAAMQAuADBjb21tdW5pY2F0aW9uAGMAbwBtAG0AdQBuAGkAYwBhAHQAaQBvAG5jb21tdW5pY2F0aW9uAGMAbwBtAG0AdQBuAGkAYwBhAHQAaQBvAG5SZWd1bGFyAFIAZQBnAHUAbABhAHJjb21tdW5pY2F0aW9uAGMAbwBtAG0AdQBuAGkAYwBhAHQAaQBvAG5Gb250IGdlbmVyYXRlZCBieSBJY29Nb29uLgBGAG8AbgB0ACAAZwBlAG4AZQByAGEAdABlAGQAIABiAHkAIABJAGMAbwBNAG8AbwBuAC4AAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

6 ms

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

5 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

213 ms

-sl_4GkofMt_H_bvRs6t01E-DbjcnPa7m-Ys7BhvNi8.js

-sl_4GkofMt_H_bvRs6t01E-DbjcnPa7m-Ys7BhvNi8.js

143 ms

embed.js

embed.js

84 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

90 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

38 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

37 ms

Accessibility Review

bostonpublicschools.org accessibility score

100

Accessibility Issues

Best Practices

bostonpublicschools.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bostonpublicschools.org SEO score

73

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bostonpublicschools.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 Bostonpublicschools.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

bostonpublicschools.org

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