Tools & Wizards About Us

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

spinecenter.ucla.edu

Spine Care - Los Angeles, CA | UCLA Health

Page Load Speed

2.6 sec in total

First Response

698 ms

Resources Loaded

1.7 sec

Page Rendered

155 ms

About Website

Click here to check amazing Spine Center UCLA content for United States. Otherwise, check out these important facts you probably never knew about spinecenter.ucla.edu

At the UCLA Health Spine Center, our experts lead the nation in comprehensive, collaborative care and innovative treatments for spine injuries and disorders.

Visit spinecenter.ucla.edu

Key Findings

We analyzed Spinecenter.ucla.edu page load time and found that the first response time was 698 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

spinecenter.ucla.edu performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value18,140 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.73

6/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

spinecenter.ucla.edu

698 ms

style.css

81 ms

AC_ActiveX.js

128 ms

AC_RunActiveContent.js

128 ms

fullbar.css

160 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 55% of them (43 requests) were addressed to the original Spinecenter.ucla.edu, 15% (12 requests) were made to Downloads.uclahealth.org and 6% (5 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (698 ms) belongs to the original domain Spinecenter.ucla.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 637.6 kB (37%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spinecenter.ucla.edu main page is 1.7 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. 45% of websites need less resources to load. Javascripts take 908.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 87.1 kB

  • Original 119.9 kB
  • After minification 109.5 kB
  • After compression 32.7 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 87.1 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 3.0 kB

  • Original 678.7 kB
  • After minification 675.6 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. Spine Center UCLA images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 523.5 kB

  • Original 908.5 kB
  • After minification 908.4 kB
  • After compression 385.0 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 523.5 kB or 58% of the original size.

CSS Optimization

-68%

Potential reduce by 23.9 kB

  • Original 34.9 kB
  • After minification 31.4 kB
  • After compression 11.0 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. Spinecenter.ucla.edu needs all CSS files to be minified and compressed as it can save up to 23.9 kB or 68% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (59%)

Requests Now

75

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spine Center UCLA. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

spinecenter.ucla.edu accessibility score

91

Accessibility Issues

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

Buttons do not have an accessible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

spinecenter.ucla.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

spinecenter.ucla.edu SEO score

86

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spinecenter.ucla.edu 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 Spinecenter.ucla.edu 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 description is not detected on the main page of Spine Center UCLA. 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: