Tools & Wizards About Us
tuftsmcvaccine.org screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

tuftsmcvaccine.org

COVID-19 Information | Tufts Medicine

Page Load Speed

2.6 sec in total

First Response

92 ms

Resources Loaded

2.1 sec

Page Rendered

313 ms

tuftsmcvaccine.org screenshot

About Website

Welcome to tuftsmcvaccine.org homepage info - get ready to check Tufts Mcvaccine best content for United States right away, or after learning these important things about tuftsmcvaccine.org

Learn more about the safety of the COVID-19 vaccine's and boosters available at Tufts Medical Center.

Visit tuftsmcvaccine.org

Key Findings

We analyzed Tuftsmcvaccine.org page load time and found that the first response time was 92 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tuftsmcvaccine.org performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

tuftsmcvaccine.org

92 ms

VaccineInfo

108 ms

ratingsmd.js

32 ms

jquery-ui.min.css

72 ms

bootstrap-3.3.7.min.css

108 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tuftsmcvaccine.org, 35% (26 requests) were made to Tuftsmedicalcenter.org and 15% (11 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Tuftsmedicalcenter.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.1 kB (31%)

Content Size

357.6 kB

After Optimization

247.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tuftsmcvaccine.org main page is 357.6 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. 70% of websites need less resources to load. Images take 130.3 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 53.2 kB

  • Original 80.1 kB
  • After minification 69.2 kB
  • After compression 26.9 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. This page needs HTML code to be minified as it can gain 10.9 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 53.2 kB or 66% of the original size.

Image Optimization

-18%

Potential reduce by 23.5 kB

  • Original 130.3 kB
  • After minification 106.8 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. Obviously, Tufts Mcvaccine needs image optimization as it can save up to 23.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 5.6 kB

  • Original 59.2 kB
  • After minification 59.1 kB
  • After compression 53.6 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.

CSS Optimization

-32%

Potential reduce by 27.8 kB

  • Original 88.0 kB
  • After minification 85.9 kB
  • After compression 60.2 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. Tuftsmcvaccine.org needs all CSS files to be minified and compressed as it can save up to 27.8 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (70%)

Requests Now

60

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tufts Mcvaccine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tuftsmcvaccine.org

tuftsmcvaccine.org

92 ms

VaccineInfo

VaccineInfo

108 ms

ratingsmd.js

ratingsmd.js

32 ms

jquery-ui.min.css

jquery-ui.min.css

72 ms

bootstrap-3.3.7.min.css

bootstrap-3.3.7.min.css

108 ms

slick.min.css

slick.min.css

121 ms

slick-theme.min.css

slick-theme.min.css

129 ms

lity.min.css

lity.min.css

128 ms

styles.min.css

styles.min.css

133 ms

print.css

print.css

131 ms

VisitorIdentification.js

VisitorIdentification.js

160 ms

hold_my_place.js

hold_my_place.js

196 ms

urlSearchParam.js

urlSearchParam.js

145 ms

require.js

require.js

145 ms

widget.js

widget.js

179 ms

conversion.js

conversion.js

223 ms

js3

js3

240 ms

scn0wuo.js

scn0wuo.js

177 ms

gtm.js

gtm.js

281 ms

logo-tufts-medicine-tufts-medical-center.ashx

logo-tufts-medicine-tufts-medical-center.ashx

1788 ms

logo-tufts-medicine-tufts-medical-center-print.ashx

logo-tufts-medicine-tufts-medical-center-print.ashx

1519 ms

icon-close-up.png

icon-close-up.png

91 ms

logo-tufts-medicine-tufts-medical-center.ashx

logo-tufts-medicine-tufts-medical-center.ashx

1506 ms

6140465-HOS_TuftsMedical_Badge-HOS-Regional_Custom_RecognizedCare_2021-22-200.ashx

6140465-HOS_TuftsMedical_Badge-HOS-Regional_Custom_RecognizedCare_2021-22-200.ashx

1471 ms

TuftsMedicine_blue_rgb.ashx

TuftsMedicine_blue_rgb.ashx

89 ms

university_tuftsmed_2020.ashx

university_tuftsmed_2020.ashx

142 ms

TM_IN_color_rgb.ashx

TM_IN_color_rgb.ashx

136 ms

main.min.js

main.min.js

189 ms

glyphicons-halflings.png

glyphicons-halflings.png

97 ms

btn-tools.png

btn-tools.png

189 ms

sprite-tools-icons.png

sprite-tools-icons.png

209 ms

icon-footer-arrow.png

icon-footer-arrow.png

208 ms

227 ms

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

2 ms

siteanalyze_4.js

siteanalyze_4.js

163 ms

ratingsmd.css

ratingsmd.css

213 ms

smartscript.js

smartscript.js

35 ms

insight.min.js

insight.min.js

144 ms

analytics.js

analytics.js

166 ms

js

js

117 ms

mhc-orbit-v1.0.min.js

mhc-orbit-v1.0.min.js

336 ms

up_loader.1.1.0.js

up_loader.1.1.0.js

335 ms

number-changer.js

number-changer.js

356 ms

otSDKStub.js

otSDKStub.js

276 ms

278 ms

activityi;src=9702701;type=tuftsall;cat=allpages;ord=8032630196237;gtm=2wgaa0;auiddc=153833468.1665901782;~oref=https%3A%2F%2Fwww.tuftsmedicalcenter.org%2FVaccineInfo

activityi;src=9702701;type=tuftsall;cat=allpages;ord=8032630196237;gtm=2wgaa0;auiddc=153833468.1665901782;~oref=https%3A%2F%2Fwww.tuftsmedicalcenter.org%2FVaccineInfo

339 ms

d

d

70 ms

d

d

151 ms

d

d

181 ms

d

d

189 ms

d

d

192 ms

d

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192 ms

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188 ms

d

d

191 ms

d

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227 ms

d

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226 ms

collect

collect

127 ms

collect

collect

195 ms

c2826dae-4778-40fa-957f-662b12535361.json

c2826dae-4778-40fa-957f-662b12535361.json

48 ms

location

location

65 ms

p.gif

p.gif

57 ms

getnumdata.js

getnumdata.js

26 ms

src=9702701;type=tuftsall;cat=allpages;ord=8032630196237;gtm=2wgaa0;auiddc=*;~oref=https%3A%2F%2Fwww.tuftsmedicalcenter.org%2FVaccineInfo

src=9702701;type=tuftsall;cat=allpages;ord=8032630196237;gtm=2wgaa0;auiddc=*;~oref=https%3A%2F%2Fwww.tuftsmedicalcenter.org%2FVaccineInfo

78 ms

ga-audiences

ga-audiences

25 ms

pixel.gif

pixel.gif

34 ms

pixel.gif

pixel.gif

29 ms

otBannerSdk.js

otBannerSdk.js

24 ms

up

up

19 ms

26 ms

universal_pixel.1.1.0.js

universal_pixel.1.1.0.js

7 ms

pixel

pixel

50 ms

25 ms

rubicon

rubicon

6 ms

google

google

6 ms

generic

generic

8 ms

Accessibility Review

tuftsmcvaccine.org accessibility score

81

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

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

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

tuftsmcvaccine.org 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

SEO Factors

tuftsmcvaccine.org SEO score

86

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

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 Tuftsmcvaccine.org 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 Tuftsmcvaccine.org 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

tuftsmcvaccine.org

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