Tools & Wizards About Us
meissavaccines.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

meissavaccines.com

Meissa: Live Attenuated Vaccines for RSV and COVID-19 | Redwood City, CA

Page Load Speed

1.2 sec in total

First Response

89 ms

Resources Loaded

1.1 sec

Page Rendered

69 ms

meissavaccines.com screenshot

About Website

Visit meissavaccines.com now to see the best up-to-date Meissa Vaccines content and also check out these interesting facts you probably never knew about meissavaccines.com

Meissa Vaccines - Advancing best-in-class vaccines for life-threatening respiratory viruses to prevent disease and block transmission. Live Attenuated Vaccines for RSV and Covid-19.

Visit meissavaccines.com

Key Findings

We analyzed Meissavaccines.com page load time and found that the first response time was 89 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 25% of websites can load faster.

Performance Metrics

meissavaccines.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value1,850 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

www.meissavaccines.com

89 ms

originTrials.41d7301a.bundle.min.js

41 ms

minified.js

42 ms

focus-within-polyfill.js

76 ms

polyfill.min.js

227 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 Meissavaccines.com, 42% (15 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 (479 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 422.9 kB (55%)

Content Size

767.6 kB

After Optimization

344.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Meissavaccines.com main page is 767.6 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. HTML takes 526.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 420.1 kB

  • Original 526.1 kB
  • After minification 524.5 kB
  • After compression 106.0 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 420.1 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 12.6 kB
  • After minification 12.6 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. Meissa Vaccines images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 228.9 kB
  • After minification 228.9 kB
  • After compression 226.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 11 (55%)

Requests Now

20

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Meissa Vaccines. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.meissavaccines.com

www.meissavaccines.com

89 ms

originTrials.41d7301a.bundle.min.js

originTrials.41d7301a.bundle.min.js

41 ms

minified.js

minified.js

42 ms

focus-within-polyfill.js

focus-within-polyfill.js

76 ms

polyfill.min.js

polyfill.min.js

227 ms

thunderbolt-commons.544e0ba0.bundle.min.js

thunderbolt-commons.544e0ba0.bundle.min.js

58 ms

main.ccd25f30.bundle.min.js

main.ccd25f30.bundle.min.js

61 ms

lodash.min.js

lodash.min.js

59 ms

react.production.min.js

react.production.min.js

57 ms

react-dom.production.min.js

react-dom.production.min.js

59 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

59 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

59 ms

Meissa%20Vaccines%20Logo%20Vertical.png

Meissa%20Vaccines%20Logo%20Vertical.png

352 ms

eb8f76_1d729860a79b4ec4abedb99e225b0339~mv2.jpg

eb8f76_1d729860a79b4ec4abedb99e225b0339~mv2.jpg

336 ms

eb8f76_517b800284dc418aad5b3963efab5026~mv2.jpg

eb8f76_517b800284dc418aad5b3963efab5026~mv2.jpg

479 ms

eb8f76_2530da5e688d4d2ab653954928575ed3~mv2.jpg

eb8f76_2530da5e688d4d2ab653954928575ed3~mv2.jpg

381 ms

bundle.min.js

bundle.min.js

55 ms

9VWMTeb5jtXkNoTv949NpRsxEYwM7FgeyaSgU71cLG0.woff

9VWMTeb5jtXkNoTv949NpRsxEYwM7FgeyaSgU71cLG0.woff

44 ms

aDjpMND83pDErGXlVEr-SRsxEYwM7FgeyaSgU71cLG0.woff

aDjpMND83pDErGXlVEr-SRsxEYwM7FgeyaSgU71cLG0.woff

50 ms

file.woff

file.woff

89 ms

134 ms

141 ms

140 ms

131 ms

138 ms

127 ms

177 ms

174 ms

173 ms

178 ms

181 ms

177 ms

deprecation-en.v5.html

deprecation-en.v5.html

6 ms

bolt-performance

bolt-performance

20 ms

deprecation-style.v5.css

deprecation-style.v5.css

9 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

meissavaccines.com accessibility score

98

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

meissavaccines.com 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

Page has valid source maps

SEO Factors

meissavaccines.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 Meissavaccines.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 Meissavaccines.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

meissavaccines.com

Open Graph data is detected on the main page of Meissa Vaccines. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: