Tools & Wizards About Us
drheatherchen.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

drheatherchen.com

Sunnyvale Dentistry | Dr. Heather Chen | Dentist Sunnyvale, CA 94040

Page Load Speed

2.1 sec in total

First Response

375 ms

Resources Loaded

1.5 sec

Page Rendered

189 ms

drheatherchen.com screenshot

About Website

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

Sunnyvale dentist, Dr. Heather Chen is dedicated to general, family, and cosmetic dentistry with services including dental exams, dental makeovers, teeth whitening, veneers, crowns, x-rays, cleanings,...

Visit drheatherchen.com

Key Findings

We analyzed Drheatherchen.com page load time and found that the first response time was 375 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

drheatherchen.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

drheatherchen.com

375 ms

global.css

112 ms

default.css

113 ms

css

22 ms

css

42 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Drheatherchen.com, 75% (61 requests) were made to Styles.prosites.com and 7% (6 requests) were made to Webstats.prosites.com. The less responsive or slowest element that took the longest time to load (815 ms) relates to the external source Styles.prosites.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.6 kB (10%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drheatherchen.com main page is 1.3 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. 30% of websites need less resources to load. Images take 965.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 38.8 kB

  • Original 51.6 kB
  • After minification 48.9 kB
  • After compression 12.8 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 38.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 214 B

  • Original 965.7 kB
  • After minification 965.5 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. Dr Heather Chen images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 84.0 kB

  • Original 257.7 kB
  • After minification 239.5 kB
  • After compression 173.7 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 84.0 kB or 33% of the original size.

CSS Optimization

-49%

Potential reduce by 8.6 kB

  • Original 17.6 kB
  • After minification 14.8 kB
  • After compression 9.1 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. Drheatherchen.com needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 49% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (42%)

Requests Now

48

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Heather Chen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

drheatherchen.com

drheatherchen.com

375 ms

global.css

global.css

112 ms

default.css

default.css

113 ms

css

css

22 ms

css

css

42 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

86 ms

jquery-migrate-1.1.0.min.js

jquery-migrate-1.1.0.min.js

83 ms

menu.js

menu.js

129 ms

d-tect.js

d-tect.js

149 ms

milonic_src.js

milonic_src.js

83 ms

submenustyle.js

submenustyle.js

92 ms

mm.js

mm.js

91 ms

font-awesome.min.css

font-awesome.min.css

153 ms

jquery.flexslider.2.1.js

jquery.flexslider.2.1.js

53 ms

jquery-migrate-1.1.0.min.js

jquery-migrate-1.1.0.min.js

60 ms

milonic_src.js

milonic_src.js

59 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

82 ms

mm.js

mm.js

62 ms

submenustyle.js

submenustyle.js

63 ms

jquery.flexslider.2.1.js

jquery.flexslider.2.1.js

52 ms

global.css

global.css

44 ms

default.css

default.css

150 ms

WebUIValidation.js

WebUIValidation.js

17 ms

WebForms.js

WebForms.js

13 ms

MicrosoftAjaxWebForms.js

MicrosoftAjaxWebForms.js

4 ms

MicrosoftAjax.js

MicrosoftAjax.js

7 ms

analytics.js

analytics.js

7 ms

matomo.js

matomo.js

152 ms

mmenudom.js

mmenudom.js

20 ms

collect

collect

28 ms

mmenudom.js

mmenudom.js

14 ms

light.png

light.png

38 ms

bottom.png

bottom.png

815 ms

bg.jpg

bg.jpg

38 ms

u_Welcome706754345-1801462518.png

u_Welcome706754345-1801462518.png

213 ms

u_Our%20Practice-87498432-479729438.png

u_Our%20Practice-87498432-479729438.png

194 ms

u_Our%20Services-7616352231534807413.png

u_Our%20Services-7616352231534807413.png

166 ms

u_Dental%20Videos-1994272545-2043819174.png

u_Dental%20Videos-1994272545-2043819174.png

158 ms

u_Patient%20Information-15684744962118965869.png

u_Patient%20Information-15684744962118965869.png

167 ms

u_Contact-155731589-1092381448.png

u_Contact-155731589-1092381448.png

157 ms

mheader_2190078.jpg

mheader_2190078.jpg

243 ms

panel1.jpg

panel1.jpg

319 ms

panel2.jpg

panel2.jpg

248 ms

panel3.jpg

panel3.jpg

366 ms

s_Welcome-451763771.png

s_Welcome-451763771.png

353 ms

miniform-mouse.jpg

miniform-mouse.jpg

366 ms

back-to-top.jpg

back-to-top.jpg

256 ms

js

js

80 ms

bt_bullet.png

bt_bullet.png

53 ms

phonicon.gif

phonicon.gif

22 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

19 ms

d_Welcome706754345-1546640869.png

d_Welcome706754345-1546640869.png

375 ms

d_Our%20Practice-87498432-76337423.png

d_Our%20Practice-87498432-76337423.png

353 ms

d_Our%20Services-7616352232117520230.png

d_Our%20Services-7616352232117520230.png

535 ms

d_Dental%20Videos-1994272545201046475.png

d_Dental%20Videos-1994272545201046475.png

393 ms

d_Patient%20Information-15684744961297215518.png

d_Patient%20Information-15684744961297215518.png

763 ms

d_Contact-1557315891128148009.png

d_Contact-1557315891128148009.png

471 ms

matomo.js

matomo.js

415 ms

u_Contact-155731589-1092381448.png

u_Contact-155731589-1092381448.png

32 ms

u_Dental%20Videos-1994272545-2043819174.png

u_Dental%20Videos-1994272545-2043819174.png

18 ms

u_Our%20Services-7616352231534807413.png

u_Our%20Services-7616352231534807413.png

324 ms

u_Patient%20Information-15684744962118965869.png

u_Patient%20Information-15684744962118965869.png

35 ms

u_Our%20Practice-87498432-479729438.png

u_Our%20Practice-87498432-479729438.png

37 ms

u_Welcome706754345-1801462518.png

u_Welcome706754345-1801462518.png

23 ms

mheader_2190078.jpg

mheader_2190078.jpg

22 ms

panel2.jpg

panel2.jpg

44 ms

back-to-top.jpg

back-to-top.jpg

13 ms

panel1.jpg

panel1.jpg

18 ms

s_Welcome-451763771.png

s_Welcome-451763771.png

17 ms

panel3.jpg

panel3.jpg

30 ms

miniform-mouse.jpg

miniform-mouse.jpg

307 ms

d_Our%20Practice-87498432-76337423.png

d_Our%20Practice-87498432-76337423.png

22 ms

d_Welcome706754345-1546640869.png

d_Welcome706754345-1546640869.png

70 ms

d_Dental%20Videos-1994272545201046475.png

d_Dental%20Videos-1994272545201046475.png

15 ms

matomo.php

matomo.php

64 ms

d_Contact-1557315891128148009.png

d_Contact-1557315891128148009.png

14 ms

configs.php

configs.php

115 ms

matomo.php

matomo.php

268 ms

d_Our%20Services-7616352232117520230.png

d_Our%20Services-7616352232117520230.png

98 ms

configs.php

configs.php

235 ms

d_Patient%20Information-15684744961297215518.png

d_Patient%20Information-15684744961297215518.png

60 ms

Accessibility Review

drheatherchen.com accessibility score

62

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.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

drheatherchen.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

drheatherchen.com SEO score

82

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drheatherchen.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 Drheatherchen.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

drheatherchen.com

Open Graph description is not detected on the main page of Dr Heather Chen. 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: