Tools & Wizards About Us

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

drschiffer.com

Dr. Schiffer | Neck & Low Back Pain Surgery Operations | Herniated Cervical & Lumbar Disc Surgery | Sciatica & Spinal Surgeon

Page Load Speed

442 ms in total

First Response

57 ms

Resources Loaded

275 ms

Page Rendered

110 ms

About Website

Welcome to drschiffer.com homepage info - get ready to check Dr Schiffer best content right away, or after learning these important things about drschiffer.com

Located in the San Francisco Bay Area, Dr. Schiffer has specialized in minimally invasive Cervical and Lumbar Disc Surgery procedures for twenty five years... eliminating neck and arm pain, lower back...

Visit drschiffer.com

Key Findings

We analyzed Drschiffer.com page load time and found that the first response time was 57 ms and then it took 385 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

drschiffer.com performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

drschiffer.com

57 ms

drschiffer.css

30 ms

prototype.js

73 ms

drschiffer.js

23 ms

ga.js

5 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Drschiffer.com, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (118 ms) belongs to the original domain Drschiffer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.2 kB (43%)

Content Size

308.4 kB

After Optimization

176.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drschiffer.com main page is 308.4 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 152.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 14.9 kB

  • Original 20.3 kB
  • After minification 17.5 kB
  • After compression 5.5 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 2.8 kB, which is 14% 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 14.9 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 14 B

  • Original 126.8 kB
  • After minification 126.8 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 Schiffer images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 109.9 kB

  • Original 152.5 kB
  • After minification 117.1 kB
  • After compression 42.5 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 109.9 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 7.4 kB

  • Original 8.8 kB
  • After minification 7.1 kB
  • After compression 1.5 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. Drschiffer.com needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (54%)

Requests Now

26

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Schiffer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

drschiffer.com accessibility score

46

Accessibility Issues

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

High

<object> elements do not have alternate text

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

drschiffer.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

drschiffer.com SEO score

54

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drschiffer.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 Drschiffer.com main page’s claimed encoding is utf8. 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 Dr Schiffer. 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: