Tools & Wizards About Us
pbxbook.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

pbxbook.com

Mike's PBX Cookbook

Page Load Speed

1.2 sec in total

First Response

154 ms

Resources Loaded

946 ms

Page Rendered

85 ms

pbxbook.com screenshot

About Website

Visit pbxbook.com now to see the best up-to-date PBX Book content for United States and also check out these interesting facts you probably never knew about pbxbook.com

Nortel Meridian, Avaya CS1000, IP-Office, BCM, Norstar, Callpilot, Meridian Mail, and other - PBX equipment technical recipes, how-to guides, and information for installers, technicians, and administr...

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Key Findings

We analyzed Pbxbook.com page load time and found that the first response time was 154 ms and then it took 1 sec 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

pbxbook.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value1,360 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

pbxbook.com

154 ms

pbxbook.com

263 ms

style.css

70 ms

cse.js

41 ms

adsbygoogle.js

174 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 57% of them (12 requests) were addressed to the original Pbxbook.com, 24% (5 requests) were made to Google.com and 10% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (437 ms) belongs to the original domain Pbxbook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.8 kB (4%)

Content Size

512.2 kB

After Optimization

493.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pbxbook.com main page is 512.2 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 390.8 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 11.0 kB

  • Original 17.0 kB
  • After minification 16.4 kB
  • After compression 6.0 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 11.0 kB or 65% of the original size.

Image Optimization

-1%

Potential reduce by 640 B

  • Original 86.5 kB
  • After minification 85.9 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. PBX Book images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 997 B

  • Original 390.8 kB
  • After minification 390.8 kB
  • After compression 389.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-35%

Potential reduce by 6.2 kB

  • Original 17.8 kB
  • After minification 17.8 kB
  • After compression 11.6 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. Pbxbook.com needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PBX Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

pbxbook.com

pbxbook.com

154 ms

pbxbook.com

pbxbook.com

263 ms

style.css

style.css

70 ms

cse.js

cse.js

41 ms

adsbygoogle.js

adsbygoogle.js

174 ms

close.png

close.png

101 ms

loading.gif

loading.gif

163 ms

prev.png

prev.png

225 ms

next.png

next.png

225 ms

cooking.png

cooking.png

282 ms

techtipbtn.gif

techtipbtn.gif

226 ms

nortelLogo.png

nortelLogo.png

226 ms

avayaLogo.png

avayaLogo.png

225 ms

csk1emg.jpg

csk1emg.jpg

437 ms

cse_element__en.js

cse_element__en.js

22 ms

default+en.css

default+en.css

96 ms

bubblegum.css

bubblegum.css

141 ms

async-ads.js

async-ads.js

92 ms

branding.png

branding.png

48 ms

show_ads_impl.js

show_ads_impl.js

261 ms

clear.png

clear.png

14 ms

Accessibility Review

pbxbook.com accessibility score

95

Accessibility Issues

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

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

Links do not have a discernible name

Best Practices

pbxbook.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

pbxbook.com SEO score

92

Search Engine Optimization Advices

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 doesn't use legible font sizes

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 Pbxbook.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 Pbxbook.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

pbxbook.com

Open Graph description is not detected on the main page of PBX Book. 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: