Tools & Wizards About Us

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cprcallblocker.com

Block Nuisance Calls with CPR Call Blocker for Landline Phones.

Page Load Speed

2.9 sec in total

First Response

304 ms

Resources Loaded

2 sec

Page Rendered

649 ms

About Website

Click here to check amazing CPR Call Blocker content for United States. Otherwise, check out these important facts you probably never knew about cprcallblocker.com

Landline Call Blocking Device. Block Callers To Home Phone, Block Nuisance Calls With Telephone Call Blocker, Call Blocking Device, Phone Blocking, Blocking Numbers, Blocking Calls, Caller ID

Visit cprcallblocker.com

Key Findings

We analyzed Cprcallblocker.com page load time and found that the first response time was 304 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cprcallblocker.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value12.4 s

14/100

10%

Network Requests Diagram

www.cprcallblocker.com

304 ms

js

111 ms

bat.js

40 ms

global.js

51 ms

preloads.js

55 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 52% of them (53 requests) were addressed to the original Cprcallblocker.com, 29% (30 requests) were made to Cdn.shopify.com and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (621 ms) relates to the external source Cdn.shopify.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.5 kB (13%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cprcallblocker.com main page is 1.7 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

-79%

Potential reduce by 191.1 kB

  • Original 241.9 kB
  • After minification 226.0 kB
  • After compression 50.7 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 191.1 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 16.3 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. CPR Call Blocker images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.0 kB

  • Original 288.0 kB
  • After minification 288.0 kB
  • After compression 285.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 2.1 kB

  • Original 79.1 kB
  • After minification 79.0 kB
  • After compression 77.0 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. Cprcallblocker.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 59 (60%)

Requests Now

98

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CPR Call Blocker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cprcallblocker.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

High

Links do not have a discernible name

Best Practices

cprcallblocker.com 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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cprcallblocker.com SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

High

Document doesn't have a valid hreflang

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 Cprcallblocker.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 Cprcallblocker.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

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