Tools & Wizards About Us
vignali-lab.com screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vignali-lab.com

Vignali Lab | Immunology | University of Pittsburgh

Page Load Speed

724 ms in total

First Response

76 ms

Resources Loaded

591 ms

Page Rendered

57 ms

vignali-lab.com screenshot

About Website

Click here to check amazing Vignali Lab content. Otherwise, check out these important facts you probably never knew about vignali-lab.com

The Vignali Lab research focuses on gaining a better understanding of the immune regulatory mechanisms, including inhibitory receptors and regulatory T cells.

Visit vignali-lab.com

Key Findings

We analyzed Vignali-lab.com page load time and found that the first response time was 76 ms and then it took 648 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vignali-lab.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.254

49/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

www.vignali-lab.com

76 ms

minified.js

46 ms

focus-within-polyfill.js

39 ms

polyfill.min.js

36 ms

thunderbolt-commons.60ed9a5a.bundle.min.js

104 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Vignali-lab.com, 50% (18 requests) were made to Static.parastorage.com and 33% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (276 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.6 kB (51%)

Content Size

763.8 kB

After Optimization

377.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vignali-lab.com main page is 763.8 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. 25% of websites need less resources to load. HTML takes 461.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 338.5 kB

  • Original 461.4 kB
  • After minification 459.7 kB
  • After compression 122.9 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 338.5 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 13.6 kB
  • After minification 13.6 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. Vignali Lab images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 48.1 kB

  • Original 288.8 kB
  • After minification 288.8 kB
  • After compression 240.7 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 48.1 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (59%)

Requests Now

17

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vignali Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.vignali-lab.com

www.vignali-lab.com

76 ms

minified.js

minified.js

46 ms

focus-within-polyfill.js

focus-within-polyfill.js

39 ms

polyfill.min.js

polyfill.min.js

36 ms

thunderbolt-commons.60ed9a5a.bundle.min.js

thunderbolt-commons.60ed9a5a.bundle.min.js

104 ms

main.dda15fae.bundle.min.js

main.dda15fae.bundle.min.js

104 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

34 ms

lodash.min.js

lodash.min.js

103 ms

react.production.min.js

react.production.min.js

34 ms

react-dom.production.min.js

react-dom.production.min.js

104 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

104 ms

11062b_6a134fc09ea34833a17d295e295ab517f000.jpg

11062b_6a134fc09ea34833a17d295e295ab517f000.jpg

48 ms

bundle.min.js

bundle.min.js

42 ms

University_of_Pittsburgh_Logo_RGB_Second.png

University_of_Pittsburgh_Logo_RGB_Second.png

276 ms

113 ms

111 ms

110 ms

105 ms

106 ms

107 ms

150 ms

147 ms

144 ms

139 ms

139 ms

138 ms

388ef902-2c31-4818-abb1-a40dcd81f6d6.woff

388ef902-2c31-4818-abb1-a40dcd81f6d6.woff

4 ms

PyqsDANUgLi2UsdO-d4iZQ.woff

PyqsDANUgLi2UsdO-d4iZQ.woff

5 ms

GwZ_PiN1Aind9Eyjp868Ez8E0i7KZn-EPnyo3HZu7kw.woff

GwZ_PiN1Aind9Eyjp868Ez8E0i7KZn-EPnyo3HZu7kw.woff

6 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

31 ms

deprecation-style.v5.css

deprecation-style.v5.css

5 ms

right-arrow.svg

right-arrow.svg

27 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

3 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

4 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

5 ms

Accessibility Review

vignali-lab.com accessibility score

88

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

High

<frame> or <iframe> elements do not have a title

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

vignali-lab.com best practices score

92

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

Page has valid source maps

SEO Factors

vignali-lab.com SEO score

100

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 Vignali-lab.com 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 Vignali-lab.com 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

vignali-lab.com

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: