Tools & Wizards About Us
vaccinecenter.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vaccinecenter.com

e7 Health - A Preventative Health and Wellness Company

Page Load Speed

2 sec in total

First Response

199 ms

Resources Loaded

1.3 sec

Page Rendered

484 ms

vaccinecenter.com screenshot

About Website

Click here to check amazing Vaccinecenter content for United States. Otherwise, check out these important facts you probably never knew about vaccinecenter.com

e7 Health specializes in employee health, student health, STD testing & treatment, immigration services, physical exams, drug testing, & lab services.

Visit vaccinecenter.com

Key Findings

We analyzed Vaccinecenter.com page load time and found that the first response time was 199 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

vaccinecenter.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

vaccinecenter.com

199 ms

e7health.com

151 ms

www.e7health.com

142 ms

bootstrap.min.css

22 ms

rocket-loader.min.js

31 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Vaccinecenter.com, 95% (58 requests) were made to E7health.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (603 ms) relates to the external source E7health.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.7 kB (4%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vaccinecenter.com main page is 2.2 MB. 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 97.4 kB

  • Original 115.9 kB
  • After minification 106.2 kB
  • After compression 18.5 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 97.4 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.0 MB
  • After minification 2.0 MB

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. Vaccinecenter images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 203 B

  • Original 96.8 kB
  • After minification 96.8 kB
  • After compression 96.6 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

-0%

Potential reduce by 25 B

  • Original 33.8 kB
  • After minification 33.8 kB
  • After compression 33.7 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. Vaccinecenter.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (33%)

Requests Now

54

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vaccinecenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vaccinecenter.com

vaccinecenter.com

199 ms

e7health.com

e7health.com

151 ms

www.e7health.com

www.e7health.com

142 ms

bootstrap.min.css

bootstrap.min.css

22 ms

rocket-loader.min.js

rocket-loader.min.js

31 ms

flexslider.css

flexslider.css

101 ms

e7health.css

e7health.css

43 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

60 ms

jquery-migrate-3.3.2.min.js

jquery-migrate-3.3.2.min.js

41 ms

3.3.7bootstrap.min.js

3.3.7bootstrap.min.js

46 ms

jquery.equalheights.min.js

jquery.equalheights.min.js

49 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

49 ms

nav.js

nav.js

50 ms

TweenMax.min.js

TweenMax.min.js

62 ms

jquery.cookie.js

jquery.cookie.js

66 ms

site-scripts.js

site-scripts.js

63 ms

lazysizes.min.js

lazysizes.min.js

69 ms

api.js

api.js

41 ms

widget.js

widget.js

177 ms

e7-icon.png

e7-icon.png

113 ms

employee-health.jpg

employee-health.jpg

42 ms

student-health.jpg

student-health.jpg

75 ms

corona-testing-car.jpg

corona-testing-car.jpg

126 ms

drug-testing.jpg

drug-testing.jpg

115 ms

std-testing-menu.jpeg

std-testing-menu.jpeg

131 ms

other-services.jpg

other-services.jpg

148 ms

admin-services.jpg

admin-services.jpg

167 ms

knowledge-center.jpg

knowledge-center.jpg

201 ms

logins.jpg

logins.jpg

347 ms

employee-health-sm.jpg

employee-health-sm.jpg

142 ms

student-health-sm.jpg

student-health-sm.jpg

158 ms

covid-pcr-testing-sm.jpg

covid-pcr-testing-sm.jpg

234 ms

travel-medicine-sm.jpg

travel-medicine-sm.jpg

397 ms

vaccine-services-sm.jpg

vaccine-services-sm.jpg

254 ms

physicals-sm.jpg

physicals-sm.jpg

181 ms

lab-services-sm.jpg

lab-services-sm.jpg

279 ms

drug-testing-sm.jpg

drug-testing-sm.jpg

307 ms

std-testing-sm.jpg

std-testing-sm.jpg

320 ms

other-services-sm.jpg

other-services-sm.jpg

345 ms

admin-services-sm.jpg

admin-services-sm.jpg

367 ms

knowledge-center-sm.jpg

knowledge-center-sm.jpg

396 ms

logins-sm.jpg

logins-sm.jpg

405 ms

vaccine-office.jpg

vaccine-office.jpg

603 ms

e7-logo.png

e7-logo.png

602 ms

roboto.css

roboto.css

380 ms

cousine.css

cousine.css

396 ms

nav.css

nav.css

400 ms

chicago-drug-testing.jpg

chicago-drug-testing.jpg

595 ms

travel-medicine.jpg

travel-medicine.jpg

596 ms

lab-services.jpg

lab-services.jpg

587 ms

employee-health.jpg

employee-health.jpg

585 ms

google-five-star-review.png

google-five-star-review.png

584 ms

e7-logo-icon.png

e7-logo-icon.png

581 ms

google-icon.png

google-icon.png

580 ms

vegas-se-map.jpg

vegas-se-map.jpg

569 ms

vegas-nw-map.jpg

vegas-nw-map.jpg

549 ms

roboto-regular-webfont.woff

roboto-regular-webfont.woff

100 ms

roboto-light-webfont.woff

roboto-light-webfont.woff

99 ms

roboto-medium-webfont.woff

roboto-medium-webfont.woff

86 ms

roboto-bold-webfont.woff

roboto-bold-webfont.woff

100 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

76 ms

Accessibility Review

vaccinecenter.com accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

vaccinecenter.com best practices score

75

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vaccinecenter.com SEO score

91

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

High

Tap targets are not sized appropriately

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 Vaccinecenter.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 Vaccinecenter.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

vaccinecenter.com

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