Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

larc.ucsf.edu

Welcome | Laboratory Animal Resource Center (LARC)

Page Load Speed

1.2 sec in total

First Response

187 ms

Resources Loaded

567 ms

Page Rendered

492 ms

larc.ucsf.edu screenshot

About Website

Click here to check amazing LARC Ucsf content for United States. Otherwise, check out these important facts you probably never knew about larc.ucsf.edu

Visit larc.ucsf.edu

Key Findings

We analyzed Larc.ucsf.edu page load time and found that the first response time was 187 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

larc.ucsf.edu performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

larc.ucsf.edu

187 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

18 ms

css_i4fCkr4Lzq8K7CdSphj47e-Cd4NkNUZ-kKSgIJoTbak.css

30 ms

css_Zb09OHAJJX1cbBdYP_j4mn7cqeXkFC8TLf7gDAnL54E.css

120 ms

css_GbpdAvWc3YP77wmpLt6cI8RzMni1gfHN8XS_4rZ9E90.css

35 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Larc.ucsf.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (377 ms) belongs to the original domain Larc.ucsf.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.3 kB (47%)

Content Size

627.6 kB

After Optimization

332.3 kB

In fact, the total size of Larc.ucsf.edu main page is 627.6 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. 40% of websites need less resources to load. Images take 274.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 19.5 kB

  • Original 27.0 kB
  • After minification 25.5 kB
  • After compression 7.5 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. 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 19.5 kB or 72% of the original size.

Image Optimization

-10%

Potential reduce by 28.7 kB

  • Original 274.7 kB
  • After minification 246.1 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. LARC Ucsf images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 167.1 kB

  • Original 228.0 kB
  • After minification 195.7 kB
  • After compression 60.8 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 167.1 kB or 73% of the original size.

CSS Optimization

-82%

Potential reduce by 79.9 kB

  • Original 97.9 kB
  • After minification 96.3 kB
  • After compression 18.0 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. Larc.ucsf.edu needs all CSS files to be minified and compressed as it can save up to 79.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (41%)

Requests Now

22

After Optimization

13

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LARC Ucsf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

larc.ucsf.edu accessibility score

86

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

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

larc.ucsf.edu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

larc.ucsf.edu SEO score

86

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Larc.ucsf.edu 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 Larc.ucsf.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 LARC Ucsf. 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: