Tools & Wizards About Us
robertjansendds.com screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

robertjansendds.com

Dentist | Robert W. Jansen, DDS | St. Johns I 48879

Page Load Speed

2.8 sec in total

First Response

78 ms

Resources Loaded

2.7 sec

Page Rendered

66 ms

robertjansendds.com screenshot

About Website

Welcome to robertjansendds.com homepage info - get ready to check Robert Jansen DDS best content right away, or after learning these important things about robertjansendds.com

Robert W. Jansen, DDS is committed to making sure your experience is comfortable as he provide comprehensive dental care to create healthy, strong, and lasting smiles here in Saint Johns, Michigan

Visit robertjansendds.com

Key Findings

We analyzed Robertjansendds.com page load time and found that the first response time was 78 ms and then it took 2.7 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

robertjansendds.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

www.robertjansendds.com

78 ms

minified.js

50 ms

focus-within-polyfill.js

46 ms

polyfill.min.js

1359 ms

thunderbolt-commons.b70ee867.bundle.min.js

96 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Robertjansendds.com, 38% (12 requests) were made to Static.parastorage.com and 38% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.1 kB (37%)

Content Size

629.1 kB

After Optimization

399.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Robertjansendds.com main page is 629.1 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. 40% of websites need less resources to load. HTML takes 304.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 225.8 kB

  • Original 304.0 kB
  • After minification 302.5 kB
  • After compression 78.3 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 225.8 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 695 B

  • Original 65.2 kB
  • After minification 64.5 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. Robert Jansen DDS images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 259.8 kB
  • After minification 259.8 kB
  • After compression 256.2 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

Number of requests can be reduced by 10 (53%)

Requests Now

19

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robert Jansen DDS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.robertjansendds.com

www.robertjansendds.com

78 ms

minified.js

minified.js

50 ms

focus-within-polyfill.js

focus-within-polyfill.js

46 ms

polyfill.min.js

polyfill.min.js

1359 ms

thunderbolt-commons.b70ee867.bundle.min.js

thunderbolt-commons.b70ee867.bundle.min.js

96 ms

main.317ed945.bundle.min.js

main.317ed945.bundle.min.js

101 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

97 ms

lodash.min.js

lodash.min.js

101 ms

react.production.min.js

react.production.min.js

97 ms

react-dom.production.min.js

react-dom.production.min.js

102 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

102 ms

faa535_9094f9abad6f4b1990f19d3e6cb5f568~mv2.jpg

faa535_9094f9abad6f4b1990f19d3e6cb5f568~mv2.jpg

381 ms

a9ff3b_af817ad90ae54d8ea02629cc23427e72.png

a9ff3b_af817ad90ae54d8ea02629cc23427e72.png

385 ms

08dd25f5e122c1ac8a92d0248cd86b01.jpg

08dd25f5e122c1ac8a92d0248cd86b01.jpg

654 ms

a9ff3b_af817ad90ae54d8ea02629cc23427e72.png

a9ff3b_af817ad90ae54d8ea02629cc23427e72.png

528 ms

bundle.min.js

bundle.min.js

62 ms

170 ms

220 ms

180 ms

215 ms

176 ms

210 ms

211 ms

211 ms

207 ms

229 ms

227 ms

225 ms

deprecation-en.v5.html

deprecation-en.v5.html

10 ms

bolt-performance

bolt-performance

29 ms

deprecation-style.v5.css

deprecation-style.v5.css

10 ms

right-arrow.svg

right-arrow.svg

9 ms

Accessibility Review

robertjansendds.com accessibility score

86

Accessibility Issues

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

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

Best Practices

robertjansendds.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

robertjansendds.com SEO score

100

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 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 Robertjansendds.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 Robertjansendds.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

robertjansendds.com

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