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xprescheck.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

xprescheck.com

Infectious diseases monitoring | XpresCheck

Page Load Speed

1.2 sec in total

First Response

51 ms

Resources Loaded

622 ms

Page Rendered

540 ms

xprescheck.com screenshot

About Website

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

XpresCheck - monitoring of incoming international fliers to help detect new variants of COVID-19 and other emerging infectious diseases in collaboration with the CDC.

Visit xprescheck.com

Key Findings

We analyzed Xprescheck.com page load time and found that the first response time was 51 ms and then it took 1.2 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

xprescheck.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

xprescheck.com

51 ms

xprescheck.com

75 ms

otSDKStub.js

53 ms

docs.theme.min.css

75 ms

owl.carousel.min.css

92 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 81% of them (44 requests) were addressed to the original Xprescheck.com, 4% (2 requests) were made to Cdn.jsdelivr.net and 4% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (307 ms) belongs to the original domain Xprescheck.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 869.7 kB (19%)

Content Size

4.6 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Xprescheck.com main page is 4.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 50.4 kB

  • Original 68.8 kB
  • After minification 59.8 kB
  • After compression 18.4 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 9.0 kB, which is 13% 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 50.4 kB or 73% of the original size.

Image Optimization

-18%

Potential reduce by 767.1 kB

  • Original 4.3 MB
  • After minification 3.6 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. Obviously, Xpres Check needs image optimization as it can save up to 767.1 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

-30%

Potential reduce by 31.7 kB

  • Original 106.9 kB
  • After minification 106.9 kB
  • After compression 75.2 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 31.7 kB or 30% of the original size.

CSS Optimization

-39%

Potential reduce by 20.4 kB

  • Original 52.8 kB
  • After minification 52.8 kB
  • After compression 32.3 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. Xprescheck.com needs all CSS files to be minified and compressed as it can save up to 20.4 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (49%)

Requests Now

51

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xpres Check. 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 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

xprescheck.com

xprescheck.com

51 ms

xprescheck.com

xprescheck.com

75 ms

otSDKStub.js

otSDKStub.js

53 ms

docs.theme.min.css

docs.theme.min.css

75 ms

owl.carousel.min.css

owl.carousel.min.css

92 ms

owl.theme.default.min.css

owl.theme.default.min.css

91 ms

styles-what-we-do.css

styles-what-we-do.css

113 ms

styles-what-we-v-done.css

styles-what-we-v-done.css

116 ms

styles-where-located.css

styles-where-located.css

116 ms

styles-resources-carousel.css

styles-resources-carousel.css

119 ms

styles-carousel.css

styles-carousel.css

113 ms

bootstrap.min.css

bootstrap.min.css

47 ms

xprescheck-home-expanded.css

xprescheck-home-expanded.css

117 ms

styles-banner.css

styles-banner.css

128 ms

styles-fonts.css

styles-fonts.css

129 ms

styles-nav.css

styles-nav.css

133 ms

styles-debug.css

styles-debug.css

136 ms

jquery.min.js

jquery.min.js

157 ms

owl.carousel.js

owl.carousel.js

176 ms

owl.carousel.min.js

owl.carousel.min.js

175 ms

highlight.js

highlight.js

170 ms

jquery.min.js

jquery.min.js

88 ms

jquery-ui.min.js

jquery-ui.min.js

98 ms

jquery-3.2.1.slim.min.js

jquery-3.2.1.slim.min.js

87 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

86 ms

app.js

app.js

169 ms

newsletter-signup.js

newsletter-signup.js

173 ms

gtm.js

gtm.js

236 ms

j.php

j.php

235 ms

logo-xprescheck-black.svg

logo-xprescheck-black.svg

222 ms

xpresspa-logo-gray.svg

xpresspa-logo-gray.svg

220 ms

logo-treat.svg

logo-treat.svg

220 ms

xprescheck_primary_orange.svg

xprescheck_primary_orange.svg

223 ms

what-we-do-unsplash@2x.png

what-we-do-unsplash@2x.png

229 ms

facemask-light.png

facemask-light.png

220 ms

nasal-swab@2x.png

nasal-swab@2x.png

232 ms

plane-up-light@2x.png

plane-up-light@2x.png

232 ms

plane-circle-exclamation.svg

plane-circle-exclamation.svg

281 ms

plane-circle-exclamation-light.png

plane-circle-exclamation-light.png

231 ms

where-were-located_Preview@2x.png

where-were-located_Preview@2x.png

291 ms

location-dot-light.svg

location-dot-light.svg

280 ms

covid-image001@2x.png

covid-image001@2x.png

284 ms

xpres-check-2@2x.png

xpres-check-2@2x.png

288 ms

GettyImages-1251322448@2x.png

GettyImages-1251322448@2x.png

288 ms

bio_beginnings.png

bio_beginnings.png

296 ms

case_study.png

case_study.png

307 ms

pathogens_grounded.png

pathogens_grounded.png

298 ms

XWELL_Black_RGB.png

XWELL_Black_RGB.png

304 ms

XWELL_White_RGB.png

XWELL_White_RGB.png

300 ms

arrow.png

arrow.png

131 ms

next.png

next.png

137 ms

Moderat-Regular.woff

Moderat-Regular.woff

141 ms

app.js

app.js

132 ms

v.gif

v.gif

30 ms

Accessibility Review

xprescheck.com accessibility score

87

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

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

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

Best Practices

xprescheck.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

High

Page has valid source maps

SEO Factors

xprescheck.com 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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Xprescheck.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 Xprescheck.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

xprescheck.com

Open Graph description is not detected on the main page of Xpres Check. 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: