Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

zahndds.com

Ann Arbor, MI Periodontist - Ann Arbor Implant and Periodontal Center: Mark D. Zahn - Periodontist

Page Load Speed

980 ms in total

First Response

106 ms

Resources Loaded

851 ms

Page Rendered

23 ms

zahndds.com screenshot

About Website

Visit zahndds.com now to see the best up-to-date Zahn Dds content and also check out these interesting facts you probably never knew about zahndds.com

Ann Arbor Implant and Periodontal Center is a periodontal center specializing in treatment for gum disease(gingivitis) such as Implants, crown lengthening, grafts and more in Ann Arbor, MI.

Visit zahndds.com

Key Findings

We analyzed Zahndds.com page load time and found that the first response time was 106 ms and then it took 874 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

zahndds.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

zahndds.com

106 ms

www.zahndds.com

194 ms

c6c88b8620d29fdffa9d50d63ac36578.opt-min.cr.js

12 ms

ed5636b6acca4b71624020cf268b75b4.opt-min.cr.css

53 ms

email-decode.min.js

15 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 45% of them (10 requests) were addressed to the original Zahndds.com, 36% (8 requests) were made to Cdcssl.ibsrv.net and 9% (2 requests) were made to Apps.officite.com. The less responsive or slowest element that took the longest time to load (394 ms) relates to the external source Smbleads.ibsmb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.0 kB (39%)

Content Size

435.4 kB

After Optimization

266.4 kB

In fact, the total size of Zahndds.com main page is 435.4 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. 20% of websites need less resources to load. Javascripts take 314.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 64.4 kB

  • Original 91.4 kB
  • After minification 91.0 kB
  • After compression 27.0 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 64.4 kB or 70% of the original size.

JavaScript Optimization

-33%

Potential reduce by 104.1 kB

  • Original 314.5 kB
  • After minification 314.5 kB
  • After compression 210.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 104.1 kB or 33% of the original size.

CSS Optimization

-2%

Potential reduce by 497 B

  • Original 29.5 kB
  • After minification 29.5 kB
  • After compression 29.0 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. Zahndds.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (47%)

Requests Now

19

After Optimization

10

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zahn 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 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zahndds.com accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

zahndds.com best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

zahndds.com SEO score

79

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Zahndds.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 Zahndds.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 Zahn Dds. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: