Tools & Wizards About Us
classroomav.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

classroomav.com

Classroom AV: Classroom Audio Video Systems and Equipment.

Page Load Speed

2 sec in total

First Response

148 ms

Resources Loaded

1.6 sec

Page Rendered

215 ms

classroomav.com screenshot

About Website

Click here to check amazing Classroom AV content. Otherwise, check out these important facts you probably never knew about classroomav.com

Classroom AV has a wide range of audio visual systems for us in educational facilities. We have a team of dedicated professionals here to help serve educators. Authorized dealer to a wide range of man...

Visit classroomav.com

Key Findings

We analyzed Classroomav.com page load time and found that the first response time was 148 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

classroomav.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

classroomav.com

148 ms

www.classroomav.com

413 ms

bootstrap.min.css

133 ms

font-awesome.min.css

191 ms

jquery.bxslider.css

223 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 92% of them (55 requests) were addressed to the original Classroomav.com, 3% (2 requests) were made to Popup.chat and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (514 ms) belongs to the original domain Classroomav.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 156.4 kB (23%)

Content Size

683.0 kB

After Optimization

526.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Classroomav.com main page is 683.0 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. 50% of websites need less resources to load. Images take 318.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 29.7 kB

  • Original 36.6 kB
  • After minification 35.8 kB
  • After compression 6.9 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 29.7 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 37.1 kB

  • Original 318.5 kB
  • After minification 281.4 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, Classroom AV needs image optimization as it can save up to 37.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 66.2 kB

  • Original 252.0 kB
  • After minification 252.0 kB
  • After compression 185.8 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 66.2 kB or 26% of the original size.

CSS Optimization

-31%

Potential reduce by 23.4 kB

  • Original 75.9 kB
  • After minification 75.9 kB
  • After compression 52.5 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. Classroomav.com needs all CSS files to be minified and compressed as it can save up to 23.4 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (46%)

Requests Now

57

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Classroom AV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

classroomav.com

classroomav.com

148 ms

www.classroomav.com

www.classroomav.com

413 ms

bootstrap.min.css

bootstrap.min.css

133 ms

font-awesome.min.css

font-awesome.min.css

191 ms

jquery.bxslider.css

jquery.bxslider.css

223 ms

misc-script.css

misc-script.css

296 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

244 ms

reset.css

reset.css

247 ms

style-v5.3.min.css

style-v5.3.min.css

370 ms

responsive-v11.14.min.css

responsive-v11.14.min.css

251 ms

script.php

script.php

412 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

410 ms

bootstrap.min.js

bootstrap.min.js

353 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

302 ms

owl.carousel.min.js

owl.carousel.min.js

310 ms

jquery.elevatezoom.js

jquery.elevatezoom.js

355 ms

jquery.ez-plus.js

jquery.ez-plus.js

450 ms

jquery-ui.min.js

jquery-ui.min.js

450 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

449 ms

theme-script.min.js

theme-script.min.js

448 ms

readmore.js

readmore.js

449 ms

jquery.rateit.min.js

jquery.rateit.min.js

467 ms

jquery.validate.1.9.js

jquery.validate.1.9.js

514 ms

productPageGallery.js

productPageGallery.js

504 ms

jquery.payment.js

jquery.payment.js

506 ms

jquery.formatCurrency-1.4.0.min.js

jquery.formatCurrency-1.4.0.min.js

504 ms

gtm.js

gtm.js

105 ms

hotjar-1353237.js

hotjar-1353237.js

210 ms

phone.png

phone.png

128 ms

logo.png

logo.png

131 ms

HTXRX_1.png

HTXRX_1.png

209 ms

HX4400U.png

HX4400U.png

210 ms

PS6300SA.png

PS6300SA.png

208 ms

DL-AR.jpg

DL-AR.jpg

236 ms

article.png

article.png

208 ms

s1.png

s1.png

208 ms

s2.png

s2.png

229 ms

s3.png

s3.png

235 ms

s4.png

s4.png

235 ms

hamilton-buhl-logo.png

hamilton-buhl-logo.png

235 ms

Kramer-logo.png

Kramer-logo.png

237 ms

chief-logo.png

chief-logo.png

282 ms

elmo-logo.png

elmo-logo.png

288 ms

Liberty-logo.png

Liberty-logo.png

290 ms

purelink-logo.png

purelink-logo.png

290 ms

williams-sound-logo.png

williams-sound-logo.png

288 ms

da-lite-logo.png

da-lite-logo.png

290 ms

DC193.png

DC193.png

337 ms

DL-AR.jpg

DL-AR.jpg

348 ms

HC-GO-BK.jpg

HC-GO-BK.jpg

342 ms

11928-28271.jpg

11928-28271.jpg

342 ms

classroom_av_footer_logo.png

classroom_av_footer_logo.png

352 ms

search.png

search.png

330 ms

cart.png

cart.png

370 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

393 ms

notify.png

notify.png

337 ms

ga.js

ga.js

279 ms

add-cart.png

add-cart.png

209 ms

__utm.gif

__utm.gif

29 ms

server.php

server.php

208 ms

Accessibility Review

classroomav.com accessibility score

59

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

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

classroomav.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

classroomav.com SEO score

90

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

Image elements do not have [alt] attributes

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 Classroomav.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 Classroomav.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

classroomav.com

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