Tools & Wizards About Us
drjefftseng.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

drjefftseng.com

Dr. Jeffrey Tseng Facial Surgery & Otolaryngology | Thousand Oaks, CA

Page Load Speed

1.6 sec in total

First Response

108 ms

Resources Loaded

1.3 sec

Page Rendered

221 ms

drjefftseng.com screenshot

About Website

Visit drjefftseng.com now to see the best up-to-date Dr Jeff Tseng content and also check out these interesting facts you probably never knew about drjefftseng.com

Dr. Jeffrey Tseng Facial Surgery & Otolaryngology Offers Services Like Head & Neck Surgery, Facial Surgery, Laser Resurfacing, Botox, And Fillers. Call Now!

Visit drjefftseng.com

Key Findings

We analyzed Drjefftseng.com page load time and found that the first response time was 108 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

drjefftseng.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

drjefftseng.com

108 ms

www.drjefftseng.com

207 ms

fe64993166f983f1f092c88a9a6a1bbf.opt-min.cr.js

86 ms

c3f0db96324a21f62597534331caa4f9.opt-min.cr.css

109 ms

email-decode.min.js

16 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 42% of them (10 requests) were addressed to the original Drjefftseng.com, 29% (7 requests) were made to and 13% (3 requests) were made to Photos.officite.com. The less responsive or slowest element that took the longest time to load (528 ms) belongs to the original domain Drjefftseng.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.3 kB (37%)

Content Size

452.5 kB

After Optimization

287.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drjefftseng.com main page is 452.5 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. Only 10% of websites need less resources to load. Javascripts take 300.4 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 64.9 kB

  • Original 93.0 kB
  • After minification 92.6 kB
  • After compression 28.1 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 64.9 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 15 B

  • Original 33.9 kB
  • After minification 33.9 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. Dr Jeff Tseng images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 100.2 kB

  • Original 300.4 kB
  • After minification 300.4 kB
  • After compression 200.1 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 100.2 kB or 33% of the original size.

CSS Optimization

-0%

Potential reduce by 121 B

  • Original 25.3 kB
  • After minification 25.3 kB
  • After compression 25.1 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. Drjefftseng.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (57%)

Requests Now

14

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Jeff Tseng. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

drjefftseng.com

drjefftseng.com

108 ms

www.drjefftseng.com

www.drjefftseng.com

207 ms

fe64993166f983f1f092c88a9a6a1bbf.opt-min.cr.js

fe64993166f983f1f092c88a9a6a1bbf.opt-min.cr.js

86 ms

c3f0db96324a21f62597534331caa4f9.opt-min.cr.css

c3f0db96324a21f62597534331caa4f9.opt-min.cr.css

109 ms

email-decode.min.js

email-decode.min.js

16 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

27 ms

smb-number-changer.js

smb-number-changer.js

28 ms

a10be36892c4d1fabe2073b17fa26b30.opt-min.co.js

a10be36892c4d1fabe2073b17fa26b30.opt-min.co.js

345 ms

js-defer.js

js-defer.js

94 ms

slider01.jpg.webp

slider01.jpg.webp

99 ms

CheckOutOurReviews.jpg

CheckOutOurReviews.jpg

40 ms

Healthgrades2.jpg

Healthgrades2.jpg

50 ms

Google2.jpg

Google2.jpg

30 ms

logo_1.png.webp

logo_1.png.webp

146 ms

javascript,var%20baseUrlForMyPages%3D'https%3A%2F%2Fwww.drjefftseng.com'%3B

javascript,var%20baseUrlForMyPages%3D'https%3A%2F%2Fwww.drjefftseng.com'%3B

1 ms

javascript,window.pagespeed.psatemp%3D0%3B

javascript,window.pagespeed.psatemp%3D0%3B

0 ms

javascript,%0Awindow.addEventListener(%22load%22%2C%20function()%20%7B%0Avar%20piwikElTel%20%3D%20document.querySelectorAll('a%5Bhref%5E%3D%22tel%3A%22%5D%3Anot(.piwik_ignore)')%3B%0Afor%20(var%20i%20%3D%200%3B%20i%20%3C%20piwikElTel.length%3B%20i%2B%2B)%20%7B%0ApiwikElTel%5Bi%5D.classList.add(%22piwik_ignore%22)%3B%0A%7D%0Avar%20piwikElFax%20%3D%20document.querySelectorAll('a%5Bhref%5E%3D%22fax%3A%22%5D%3Anot(.piwik_ignore)')%3B%0Afor%20(var%20j%20%3D%200%3B%20j%20%3C%20piwikElFax.length%3B%20j%2B%2B)%20%7B%0ApiwikElFax%5Bj%5D.classList.add(%22piwik_ignore%22)%3B%0A%7D%0A%7D)%3B%0A

javascript,%0Awindow.addEventListener(%22load%22%2C%20function()%20%7B%0Avar%20piwikElTel%20%3D%20document.querySelectorAll('a%5Bhref%5E%3D%22tel%3A%22%5D%3Anot(.piwik_ignore)')%3B%0Afor%20(var%20i%20%3D%200%3B%20i%20%3C%20piwikElTel.length%3B%20i%2B%2B)%20%7B%0ApiwikElTel%5Bi%5D.classList.add(%22piwik_ignore%22)%3B%0A%7D%0Avar%20piwikElFax%20%3D%20document.querySelectorAll('a%5Bhref%5E%3D%22fax%3A%22%5D%3Anot(.piwik_ignore)')%3B%0Afor%20(var%20j%20%3D%200%3B%20j%20%3C%20piwikElFax.length%3B%20j%2B%2B)%20%7B%0ApiwikElFax%5Bj%5D.classList.add(%22piwik_ignore%22)%3B%0A%7D%0A%7D)%3B%0A

1 ms

javascript,%0A_ctRewriteUrl%20%3D%20%22https%3A%2F%2Fapps.officite.com%2FCallTracking%2FRewriteRule%2FclientId%2F126768%22%3B%0A

javascript,%0A_ctRewriteUrl%20%3D%20%22https%3A%2F%2Fapps.officite.com%2FCallTracking%2FRewriteRule%2FclientId%2F126768%22%3B%0A

0 ms

javascript,%0Avar%20_userway_config%20%3D%20%7B%0Aposition%3A%203%2C%0Aaccount%3A%20%22p6LIYNGE0t%22%0A%7D%3B%0A

javascript,%0Avar%20_userway_config%20%3D%20%7B%0Aposition%3A%203%2C%0Aaccount%3A%20%22p6LIYNGE0t%22%0A%7D%3B%0A

1 ms

javascript,%20window.dataLayer%20%3D%20window.dataLayer%20%7C%7C%20%5B%5D%3B%0Afunction%20gtag()%20%7B%0AdataLayer.push(arguments)%3B%0A%7D%0Agtag('js'%2C%20new%20Date())%3B%0Agtag('config'%2C%20'UA-156841554-1')%3B%0Agtag('event'%2C%20'page_view'%2C%20%7B'send_to'%3A%20'G-EQH496LMM2'%7D)%3B%0A

javascript,%20window.dataLayer%20%3D%20window.dataLayer%20%7C%7C%20%5B%5D%3B%0Afunction%20gtag()%20%7B%0AdataLayer.push(arguments)%3B%0A%7D%0Agtag('js'%2C%20new%20Date())%3B%0Agtag('config'%2C%20'UA-156841554-1')%3B%0Agtag('event'%2C%20'page_view'%2C%20%7B'send_to'%3A%20'G-EQH496LMM2'%7D)%3B%0A

0 ms

javascript,%0AsetTimeout(()%3D%3E%7B%0Aconst%20l%3Ddocument.createElement(%22link%22)%3B%0Al.rel%3D%22stylesheet%22%3Bl.media%3D%22all%22%3Bl.href%3D%22%2Fstorage%2Fopt%2Fc3f0db96324a21f62597534331caa4f9.opt-min.cf.css%22%3B%0Adocument.head.appendChild(l)%3B%0A%7D%2C10)%3B%0A

javascript,%0AsetTimeout(()%3D%3E%7B%0Aconst%20l%3Ddocument.createElement(%22link%22)%3B%0Al.rel%3D%22stylesheet%22%3Bl.media%3D%22all%22%3Bl.href%3D%22%2Fstorage%2Fopt%2Fc3f0db96324a21f62597534331caa4f9.opt-min.cf.css%22%3B%0Adocument.head.appendChild(l)%3B%0A%7D%2C10)%3B%0A

0 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

86 ms

smb-number-changer.js

smb-number-changer.js

44 ms

a10be36892c4d1fabe2073b17fa26b30.opt-min.co.js

a10be36892c4d1fabe2073b17fa26b30.opt-min.co.js

528 ms

Accessibility Review

drjefftseng.com accessibility score

77

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

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

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

drjefftseng.com best practices score

75

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

High

Missing source maps for large first-party JavaScript

SEO Factors

drjefftseng.com SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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

High

Tap targets are not sized appropriately

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 Drjefftseng.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 Drjefftseng.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

drjefftseng.com

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