Tools & Wizards About Us
visservices.sdsc.edu screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

visservices.sdsc.edu

Visualization Services

Page Load Speed

1.4 sec in total

First Response

336 ms

Resources Loaded

913 ms

Page Rendered

179 ms

visservices.sdsc.edu screenshot

About Website

Click here to check amazing Vis Services Sdsc content for United States. Otherwise, check out these important facts you probably never knew about visservices.sdsc.edu

Visit visservices.sdsc.edu

Key Findings

We analyzed Visservices.sdsc.edu page load time and found that the first response time was 336 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

visservices.sdsc.edu performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.222

56/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

visservices.sdsc.edu

336 ms

style.css

129 ms

sidemenu.js

234 ms

title_50.gif

264 ms

sfquake.jpg

348 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Visservices.sdsc.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (575 ms) belongs to the original domain Visservices.sdsc.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.5 kB (7%)

Content Size

212.9 kB

After Optimization

197.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Visservices.sdsc.edu main page is 212.9 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. 15% of websites need less resources to load. Images take 201.7 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.5 kB

  • Original 3.9 kB
  • After minification 3.7 kB
  • After compression 1.5 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 2.5 kB or 63% of the original size.

Image Optimization

-4%

Potential reduce by 7.3 kB

  • Original 201.7 kB
  • After minification 194.4 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. Vis Services Sdsc images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 741 B

  • Original 1.1 kB
  • After minification 880 B
  • After compression 392 B

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 741 B or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 5.0 kB

  • Original 6.2 kB
  • After minification 4.6 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. Visservices.sdsc.edu needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vis Services Sdsc. According to our analytics all requests are already optimized.

Network Requests Diagram

visservices.sdsc.edu

visservices.sdsc.edu

336 ms

style.css

style.css

129 ms

sidemenu.js

sidemenu.js

234 ms

title_50.gif

title_50.gif

264 ms

sfquake.jpg

sfquake.jpg

348 ms

sitemodel.jpg

sitemodel.jpg

464 ms

molecular_modelling_cover_320.jpg

molecular_modelling_cover_320.jpg

263 ms

cancer.jpg

cancer.jpg

358 ms

columbia.jpg

columbia.jpg

575 ms

scec.jpg

scec.jpg

479 ms

cip_logo.gif

cip_logo.gif

375 ms

sdsc_50.gif

sdsc_50.gif

337 ms

Accessibility Review

visservices.sdsc.edu accessibility score

94

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.

Best Practices

visservices.sdsc.edu 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

visservices.sdsc.edu SEO score

62

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Visservices.sdsc.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 Visservices.sdsc.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

visservices.sdsc.edu

Open Graph description is not detected on the main page of Vis Services Sdsc. 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: