Tools & Wizards About Us

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

johnmerrifield.com

John Merrifield: Professional mobile Communications specialist with experience in PMR, TETRA, GSM, Mobile Data over radio, LTE, WiMax and proprietary ...

Page Load Speed

493 ms in total

First Response

37 ms

Resources Loaded

131 ms

Page Rendered

325 ms

About Website

Welcome to johnmerrifield.com homepage info - get ready to check John Merrifield best content right away, or after learning these important things about johnmerrifield.com

Looking for contract oportunities in USA, TETRA, GSM. WiMax, LTE, network rollout, events,conferences speaking

Visit johnmerrifield.com

Key Findings

We analyzed Johnmerrifield.com page load time and found that the first response time was 37 ms and then it took 456 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

johnmerrifield.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

johnmerrifield.com

37 ms

jquery.min.js

8 ms

bsa.js

75 ms

ga.js

35 ms

document_iterator.js

2 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 13% of them (2 requests) were addressed to the original Johnmerrifield.com, 13% (2 requests) were made to Johnmerrifield.com and 13% (2 requests) were made to S3.buysellads.com. The less responsive or slowest element that took the longest time to load (76 ms) belongs to the original domain Johnmerrifield.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.3 kB (3%)

Content Size

2.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Johnmerrifield.com main page is 2.3 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. 70% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 4.1 kB

  • Original 6.5 kB
  • After minification 6.3 kB
  • After compression 2.3 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. 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 4.1 kB or 64% of the original size.

Image Optimization

-3%

Potential reduce by 64.1 kB

  • Original 2.2 MB
  • After minification 2.1 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. John Merrifield images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 55.5 kB
  • After minification 55.5 kB
  • After compression 55.4 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.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John Merrifield. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

johnmerrifield.com accessibility score

85

Accessibility Issues

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

Best Practices

johnmerrifield.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

johnmerrifield.com SEO score

73

Search Engine Optimization Advices

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 Johnmerrifield.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 Johnmerrifield.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 description is not detected on the main page of John Merrifield. 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: