Tools & Wizards About Us
pbsbo.ucsc.edu screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

pbsbo.ucsc.edu

Toolkit | Your Science Intranet

Page Load Speed

1.6 sec in total

First Response

537 ms

Resources Loaded

982 ms

Page Rendered

128 ms

pbsbo.ucsc.edu screenshot

About Website

Click here to check amazing Pbsbo Ucsc content for United States. Otherwise, check out these important facts you probably never knew about pbsbo.ucsc.edu

Visit pbsbo.ucsc.edu

Key Findings

We analyzed Pbsbo.ucsc.edu page load time and found that the first response time was 537 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

pbsbo.ucsc.edu performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.882

3/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

Network Requests Diagram

pbsbo.ucsc.edu

537 ms

pbsci.css

162 ms

ucsantacruz.gif

94 ms

pbscihead2.gif

94 ms

gradient.jpg

170 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Pbsbo.ucsc.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (537 ms) belongs to the original domain Pbsbo.ucsc.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.8 kB (28%)

Content Size

27.7 kB

After Optimization

20.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Pbsbo.ucsc.edu main page is 27.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 10.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 7.8 kB

  • Original 10.4 kB
  • After minification 9.6 kB
  • After compression 2.6 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 7.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 9.0 kB
  • After minification 9.0 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. Pbsbo Ucsc images are well optimized though.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 8.3 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.

Requests Breakdown

Number of requests can be reduced by 15 (75%)

Requests Now

20

After Optimization

5

  • Images
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pbsbo Ucsc. 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

pbsbo.ucsc.edu

pbsbo.ucsc.edu

537 ms

pbsci.css

pbsci.css

162 ms

ucsantacruz.gif

ucsantacruz.gif

94 ms

pbscihead2.gif

pbscihead2.gif

94 ms

gradient.jpg

gradient.jpg

170 ms

navbkgd.gif

navbkgd.gif

178 ms

home.gif

home.gif

180 ms

acad.gif

acad.gif

176 ms

research.gif

research.gif

173 ms

newseve.gif

newseve.gif

180 ms

pubserv.gif

pubserv.gif

252 ms

admin_on.gif

admin_on.gif

258 ms

sitemap.gif

sitemap.gif

259 ms

trans.gif

trans.gif

260 ms

greydot.gif

greydot.gif

261 ms

home_over.gif

home_over.gif

84 ms

acad_over.gif

acad_over.gif

88 ms

research_over.gif

research_over.gif

86 ms

newseve_over.gif

newseve_over.gif

84 ms

pubserv_over.gif

pubserv_over.gif

89 ms

sitemap_over.gif

sitemap_over.gif

87 ms

Accessibility Review

pbsbo.ucsc.edu accessibility score

67

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

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

pbsbo.ucsc.edu best practices score

83

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

Page has valid source maps

SEO Factors

pbsbo.ucsc.edu SEO score

77

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

High

Page is blocked from indexing

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

    ISO-8859-1

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

pbsbo.ucsc.edu

Open Graph description is not detected on the main page of Pbsbo Ucsc. 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: