Tools & Wizards About Us
clickerschool.com screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

clickerschool.com

ClickerSchool | Create, Click, Engage! - Interactive activities using clickers, smart phones, and laptops.

Page Load Speed

2.1 sec in total

First Response

202 ms

Resources Loaded

1.7 sec

Page Rendered

232 ms

clickerschool.com screenshot

About Website

Click here to check amazing Clickers Chool content. Otherwise, check out these important facts you probably never knew about clickerschool.com

ClickerSchool is setting a new industry standard with revolutionary classroom interaction through the use of traditional clickers, smart phones, or laptops. Teacher/ student interaction reaches new he...

Visit clickerschool.com

Key Findings

We analyzed Clickerschool.com page load time and found that the first response time was 202 ms and then it took 1.9 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

clickerschool.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

clickerschool.com

202 ms

www.clickerschool.com

338 ms

SignedOutHome.aspx

242 ms

jquery-1.6.2.js

382 ms

jquery-ui.min.js

421 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 74% of them (35 requests) were addressed to the original Clickerschool.com, 11% (5 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (518 ms) belongs to the original domain Clickerschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (57%)

Content Size

1.9 MB

After Optimization

796.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Clickerschool.com main page is 1.9 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. 45% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 39.7 kB

  • Original 49.0 kB
  • After minification 36.0 kB
  • After compression 9.3 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. This page needs HTML code to be minified as it can gain 13.1 kB, which is 27% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.7 kB or 81% of the original size.

Image Optimization

-48%

Potential reduce by 328.3 kB

  • Original 688.1 kB
  • After minification 359.8 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. Obviously, Clickers Chool needs image optimization as it can save up to 328.3 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 650.9 kB

  • Original 1.1 MB
  • After minification 808.9 kB
  • After compression 416.0 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 650.9 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 56.7 kB

  • Original 68.1 kB
  • After minification 49.7 kB
  • After compression 11.4 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. Clickerschool.com needs all CSS files to be minified and compressed as it can save up to 56.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (47%)

Requests Now

38

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clickers Chool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

clickerschool.com

clickerschool.com

202 ms

www.clickerschool.com

www.clickerschool.com

338 ms

SignedOutHome.aspx

SignedOutHome.aspx

242 ms

jquery-1.6.2.js

jquery-1.6.2.js

382 ms

jquery-ui.min.js

jquery-ui.min.js

421 ms

AjaxFormValidator.js

AjaxFormValidator.js

247 ms

SignupField.js

SignupField.js

193 ms

api.js

api.js

35 ms

EduRecaptcha.min.js

EduRecaptcha.min.js

194 ms

jquery-1.10.1.js

jquery-1.10.1.js

518 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

319 ms

css

css

35 ms

jquery-ui.css

jquery-ui.css

323 ms

style.css

style.css

310 ms

edulast.css

edulast.css

374 ms

edulast-cs.css

edulast-cs.css

404 ms

WebResource.axd

WebResource.axd

404 ms

ScriptResource.axd

ScriptResource.axd

511 ms

ScriptResource.axd

ScriptResource.axd

509 ms

recaptcha__en.js

recaptcha__en.js

23 ms

byEduware.png

byEduware.png

105 ms

hero-device-bg.png

hero-device-bg.png

280 ms

bubble-arrow.png

bubble-arrow.png

106 ms

create.png

create.png

105 ms

assign.png

assign.png

105 ms

play.png

play.png

105 ms

laptop-click.png

laptop-click.png

154 ms

ipad-click.png

ipad-click.png

160 ms

iphone-click.png

iphone-click.png

217 ms

clicker-click.png

clicker-click.png

212 ms

live-play.png

live-play.png

158 ms

race-play.png

race-play.png

220 ms

wall-play.png

wall-play.png

219 ms

war-play.png

war-play.png

226 ms

teacher-big.png

teacher-big.png

275 ms

teacher02.png

teacher02.png

344 ms

analytics.js

analytics.js

64 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

74 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

75 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

85 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

94 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

95 ms

check.png

check.png

243 ms

WidgetScript

WidgetScript

49 ms

collect

collect

29 ms

js

js

65 ms

ui-bg_highlight-soft_100_eeeeee_1x100.png

ui-bg_highlight-soft_100_eeeeee_1x100.png

66 ms

Accessibility Review

clickerschool.com accessibility score

49

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

<frame> or <iframe> elements do not have a title

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

clickerschool.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

clickerschool.com SEO score

82

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 Clickerschool.com 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 Clickerschool.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

clickerschool.com

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