Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

ericlinmd.com

Eric L. Lin, MD - Orange County Spine Surgeon - Irvine & Fullerton

Page Load Speed

492 ms in total

First Response

57 ms

Resources Loaded

315 ms

Page Rendered

120 ms

About Website

Click here to check amazing Eric Lin MD content. Otherwise, check out these important facts you probably never knew about ericlinmd.com

Eric L. Lin, M.D. is a board-certified fellowship-trained Orthopaedic Spine Surgeon with over five years of clinical surgery practice in the Orange County, California area.

Visit ericlinmd.com

Key Findings

We analyzed Ericlinmd.com page load time and found that the first response time was 57 ms and then it took 435 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

ericlinmd.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

ericlinmd.com

57 ms

jquery-1.7.min.js

23 ms

main.js

12 ms

slideshow.js

20 ms

global.css

12 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 71% of them (27 requests) were addressed to the original Ericlinmd.com, 18% (7 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (167 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 178.2 kB (28%)

Content Size

633.4 kB

After Optimization

455.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ericlinmd.com main page is 633.4 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. 50% of websites need less resources to load. Images take 602.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.3 kB

  • Original 11.0 kB
  • After minification 9.6 kB
  • After compression 2.8 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. This page needs HTML code to be minified as it can gain 1.4 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.3 kB or 75% of the original size.

Image Optimization

-28%

Potential reduce by 169.0 kB

  • Original 602.5 kB
  • After minification 433.6 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. Obviously, Eric Lin MD needs image optimization as it can save up to 169.0 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 604 B

  • Original 18.3 kB
  • After minification 18.3 kB
  • After compression 17.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-21%

Potential reduce by 323 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 1.2 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. Ericlinmd.com needs all CSS files to be minified and compressed as it can save up to 323 B or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

30

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eric Lin MD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ericlinmd.com accessibility score

41

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.

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

ericlinmd.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

SEO Factors

ericlinmd.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ericlinmd.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 Ericlinmd.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Eric Lin MD. 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: