Tools & Wizards About Us
alarm-bell.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

alarm-bell.com

Alarm Bell Technology Industrial Company Limited — Door Viewer．Door Guard．Door Chain．Door Catch．Door Stopper．Hook．Door Hinge．Door knocker．Door Knob．Do...

Page Load Speed

10.2 sec in total

First Response

206 ms

Resources Loaded

9.7 sec

Page Rendered

342 ms

alarm-bell.com screenshot

About Website

Visit alarm-bell.com now to see the best up-to-date Alarm Bell content and also check out these interesting facts you probably never knew about alarm-bell.com

Alarm Bell Technology Company Limited, founded in 1970, specializing in high-quality category of anti-theft hardware and optical products manufacturing.

Visit alarm-bell.com

Key Findings

We analyzed Alarm-bell.com page load time and found that the first response time was 206 ms and then it took 10 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

alarm-bell.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value460 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.226

55/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

alarm-bell.com

206 ms

alarm-bell.com

257 ms

abti-hardware.com

171 ms

abti-hardware.com

5261 ms

wp-emoji-release.min.js

192 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Alarm-bell.com, 79% (83 requests) were made to Abti-hardware.com and 5% (5 requests) were made to I1.wp.com. The less responsive or slowest element that took the longest time to load (5.3 sec) relates to the external source Abti-hardware.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 474.0 kB (19%)

Content Size

2.5 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alarm-bell.com main page is 2.5 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. 55% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 314.5 kB

  • Original 339.9 kB
  • After minification 296.5 kB
  • After compression 25.5 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 43.5 kB, which is 13% 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 314.5 kB or 93% of the original size.

Image Optimization

-2%

Potential reduce by 31.4 kB

  • Original 1.8 MB
  • After minification 1.7 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. Alarm Bell images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 47.0 kB

  • Original 220.5 kB
  • After minification 218.5 kB
  • After compression 173.5 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 47.0 kB or 21% of the original size.

CSS Optimization

-39%

Potential reduce by 81.1 kB

  • Original 206.6 kB
  • After minification 206.6 kB
  • After compression 125.5 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. Alarm-bell.com needs all CSS files to be minified and compressed as it can save up to 81.1 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 67 (68%)

Requests Now

99

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alarm Bell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alarm-bell.com

alarm-bell.com

206 ms

alarm-bell.com

alarm-bell.com

257 ms

abti-hardware.com

abti-hardware.com

171 ms

abti-hardware.com

abti-hardware.com

5261 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

192 ms

angelleye-express-checkout.css

angelleye-express-checkout.css

193 ms

style.min.css

style.min.css

197 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

189 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

191 ms

wc-blocks-vendors-style.css

wc-blocks-vendors-style.css

271 ms

wc-blocks-style.css

wc-blocks-style.css

497 ms

styles.css

styles.css

566 ms

front-legacy.css

front-legacy.css

377 ms

wc_email_inquiry_style.css

wc_email_inquiry_style.css

379 ms

woocommerce-layout.css

woocommerce-layout.css

377 ms

woocommerce.css

woocommerce.css

515 ms

font-awesome.min.css

font-awesome.min.css

560 ms

tm-timeline.css

tm-timeline.css

558 ms

fontfaces.css

fontfaces.css

561 ms

css

css

28 ms

style.css

style.css

746 ms

dynamic-mobmenu.css

dynamic-mobmenu.css

667 ms

css

css

14 ms

style.css

style.css

714 ms

default.min.css

default.min.css

711 ms

wc_email_inquiry_cart_options.min.css

wc_email_inquiry_cart_options.min.css

721 ms

masterslider.main.css

masterslider.main.css

777 ms

custom.css

custom.css

847 ms

mobmenu-icons.css

mobmenu-icons.css

892 ms

mobmenu.css

mobmenu.css

901 ms

jetpack.css

jetpack.css

966 ms

jquery.min.js

jquery.min.js

964 ms

jquery-migrate.min.js

jquery-migrate.min.js

964 ms

s-202410.js

s-202410.js

14 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

1035 ms

slider.js

slider.js

1076 ms

mobmenu.js

mobmenu.js

1083 ms

so-css-anima.css

so-css-anima.css

1136 ms

animation.css

animation.css

1187 ms

style.css

style.css

1210 ms

general.css

general.css

1282 ms

style-1.css

style-1.css

1282 ms

css

css

13 ms

e-202410.js

e-202410.js

1 ms

ajax.js

ajax.js

1380 ms

photon.min.js

photon.min.js

1324 ms

wp-polyfill.min.js

wp-polyfill.min.js

1532 ms

index.js

index.js

1498 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

1577 ms

add-to-cart.min.js

add-to-cart.min.js

1573 ms

js.cookie.min.js

js.cookie.min.js

1500 ms

woocommerce.min.js

woocommerce.min.js

1394 ms

cart-fragments.min.js

cart-fragments.min.js

1463 ms

angelleye-frontend.js

angelleye-frontend.js

1500 ms

wp-embed.min.js

wp-embed.min.js

1408 ms

jquery.easing.min.js

jquery.easing.min.js

1422 ms

masterslider.min.js

masterslider.min.js

1443 ms

jquery.prettyPhoto.min.js

jquery.prettyPhoto.min.js

1391 ms

waypoints.min.js

waypoints.min.js

1466 ms

touch.js

touch.js

1498 ms

jquery.js

jquery.js

1396 ms

frontend.js

frontend.js

1383 ms

imagesloaded.min.js

imagesloaded.min.js

1388 ms

masonry.min.js

masonry.min.js

1439 ms

jquery.masonry.min.js

jquery.masonry.min.js

1462 ms

comment-reply.min.js

comment-reply.min.js

1433 ms

LOGO.png

LOGO.png

225 ms

blank.gif

blank.gif

202 ms

hover-2.jpg

hover-2.jpg

204 ms

cropped-header-10-2.jpg

cropped-header-10-2.jpg

1267 ms

blank.gif

blank.gif

1183 ms

loading.gif

loading.gif

1345 ms

hover-1.jpg

hover-1.jpg

219 ms

hover-7.jpg

hover-7.jpg

203 ms

hover-4.jpg

hover-4.jpg

202 ms

hover-6.jpg

hover-6.jpg

218 ms

hover-11.jpg

hover-11.jpg

205 ms

hover-3-1.jpg

hover-3-1.jpg

204 ms

hover-8.jpg

hover-8.jpg

220 ms

hover-3.jpg

hover-3.jpg

203 ms

hover-5.jpg

hover-5.jpg

217 ms

font

font

171 ms

iconmeta.ttf

iconmeta.ttf

1287 ms

blocks.woff

blocks.woff

1349 ms

font

font

48 ms

font

font

8 ms

wp-polyfill-fetch.min.js

wp-polyfill-fetch.min.js

667 ms

wp-polyfill-dom-rect.min.js

wp-polyfill-dom-rect.min.js

684 ms

wp-polyfill-url.min.js

wp-polyfill-url.min.js

851 ms

wp-polyfill-formdata.min.js

wp-polyfill-formdata.min.js

817 ms

wp-polyfill-element-closest.min.js

wp-polyfill-element-closest.min.js

819 ms

wp-polyfill-object-fit.min.js

wp-polyfill-object-fit.min.js

821 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

124 ms

abti-hardware.com

abti-hardware.com

970 ms

loading-2.gif

loading-2.gif

158 ms

light-skin-1.png

light-skin-1.png

188 ms

ABTI_doorviewer.jpg

ABTI_doorviewer.jpg

299 ms

show-DV-1612-1-1.jpg

show-DV-1612-1-1.jpg

414 ms

show-DV-1812-1-1.jpg

show-DV-1812-1-1.jpg

486 ms

show-DS-2002-1.jpg

show-DS-2002-1.jpg

420 ms

show-DV-1912-1-1.jpg

show-DV-1912-1-1.jpg

539 ms

ABTI_doorstopper.jpg

ABTI_doorstopper.jpg

299 ms

show-DV-2014-1-1.jpg

show-DV-2014-1-1.jpg

411 ms

show-DK-1255-1.jpg

show-DK-1255-1.jpg

461 ms

ABTI_our-products-are-abord-the-world.jpg

ABTI_our-products-are-abord-the-world.jpg

237 ms

Accessibility Review

alarm-bell.com accessibility score

91

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

Image elements do not have [alt] attributes

Best Practices

alarm-bell.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

alarm-bell.com SEO score

84

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

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

    EN

  • Encoding

    UTF-8

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

alarm-bell.com

Open Graph data is detected on the main page of Alarm Bell. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: