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jjvision.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

jjvision.com

Vision Made Possible™ | Johnson and Johnson Vision

Page Load Speed

1.3 sec in total

First Response

251 ms

Resources Loaded

648 ms

Page Rendered

445 ms

jjvision.com screenshot

About Website

Visit jjvision.com now to see the best up-to-date Jj Vision content for United States and also check out these interesting facts you probably never knew about jjvision.com

Vision Made Possible™ aims to provide greater awareness of eye health from childhood myopia to presbyopia and cataracts. We've enlisted the legendary photographer and The New York Times best-sell...

Visit jjvision.com

Key Findings

We analyzed Jjvision.com page load time and found that the first response time was 251 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

jjvision.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

jjvision.com

251 ms

www.jjvision.com

125 ms

css_RoMiSEvvzpkUuDjKjT4sIiZ6GXB8m7h-hSdPRYok5LU.css

14 ms

css_VZ1oh3wIJqr1N1u0agAwgAR34WPyW6Hucnhn0r3Dr-w.css

17 ms

css_ZbdO4vaXBOl_NEvfCktbPjBlhAI10pOCATvU-lvVI14.css

17 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 93% of them (82 requests) were addressed to the original Jjvision.com, 3% (3 requests) were made to Static.addtoany.com and 1% (1 request) were made to Snap.licdn.com. The less responsive or slowest element that took the longest time to load (251 ms) belongs to the original domain Jjvision.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 945.7 kB (8%)

Content Size

12.4 MB

After Optimization

11.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jjvision.com main page is 12.4 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. Only a small number of websites need less resources to load. Images take 12.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 131.2 kB

  • Original 151.2 kB
  • After minification 132.5 kB
  • After compression 20.0 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. This page needs HTML code to be minified as it can gain 18.7 kB, which is 12% 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 131.2 kB or 87% of the original size.

Image Optimization

-7%

Potential reduce by 813.0 kB

  • Original 12.0 MB
  • After minification 11.2 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. Jj Vision images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 383 B

  • Original 190.1 kB
  • After minification 190.1 kB
  • After compression 189.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.2 kB

  • Original 56.6 kB
  • After minification 56.6 kB
  • After compression 55.5 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. Jjvision.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (43%)

Requests Now

80

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jj Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jjvision.com

jjvision.com

251 ms

www.jjvision.com

www.jjvision.com

125 ms

css_RoMiSEvvzpkUuDjKjT4sIiZ6GXB8m7h-hSdPRYok5LU.css

css_RoMiSEvvzpkUuDjKjT4sIiZ6GXB8m7h-hSdPRYok5LU.css

14 ms

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css_VZ1oh3wIJqr1N1u0agAwgAR34WPyW6Hucnhn0r3Dr-w.css

17 ms

css_ZbdO4vaXBOl_NEvfCktbPjBlhAI10pOCATvU-lvVI14.css

css_ZbdO4vaXBOl_NEvfCktbPjBlhAI10pOCATvU-lvVI14.css

17 ms

css_9F6TDGTStiYtNbUPZlwsEM947kS0-oUoYuY4uoFwEBE.css

css_9F6TDGTStiYtNbUPZlwsEM947kS0-oUoYuY4uoFwEBE.css

24 ms

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23 ms

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23 ms

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24 ms

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css_7r7VooVOSPVsSJTVlOoaIYBDC__KT2FxAMU24yr04n8.css

23 ms

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css_5l0whwwwKyk2g45boQV8XD7QkFvrsNDAmFlL4KDfhAY.css

23 ms

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css_5zG3Il_fErua-wKYUWKXS_rvIi2DzbkhJBKeTbl4TKI.css

26 ms

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26 ms

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23 ms

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24 ms

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27 ms

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25 ms

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40 ms

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41 ms

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58 ms

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34 ms

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20 ms

page.js

page.js

92 ms

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67 ms

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67 ms

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68 ms

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73 ms

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67 ms

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76 ms

insight.min.js

insight.min.js

82 ms

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77 ms

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76 ms

gtm.js

gtm.js

76 ms

gtag.js

gtag.js

77 ms

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81 ms

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87 ms

monsido-script.js

monsido-script.js

106 ms

home-bg_kateP.jpg

home-bg_kateP.jpg

104 ms

Playbutton.svg

Playbutton.svg

87 ms

Textures_topo.jpg

Textures_topo.jpg

112 ms

slider-control.png

slider-control.png

89 ms

close-white.svg

close-white.svg

88 ms

modal-bg-blue.png

modal-bg-blue.png

141 ms

myopia-detail.png

myopia-detail.png

106 ms

icons_myopia_1.png

icons_myopia_1.png

81 ms

icons_myopia_2.png

icons_myopia_2.png

79 ms

icons_myopia_3.png

icons_myopia_3.png

92 ms

beauty-detail.png

beauty-detail.png

110 ms

fair.png

fair.png

104 ms

icons_farsight_1.png

icons_farsight_1.png

101 ms

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99 ms

astigamatism.png

astigamatism.png

108 ms

icons_astigm_1.png

icons_astigm_1.png

102 ms

icons_astigm_2.png

icons_astigm_2.png

101 ms

glaucoma_2.png

glaucoma_2.png

117 ms

icons_glaucoma_1.png

icons_glaucoma_1.png

90 ms

icons_glaucoma_2.png

icons_glaucoma_2.png

90 ms

dry-eyes.png

dry-eyes.png

102 ms

icons_dryeyes_1.png

icons_dryeyes_1.png

73 ms

CircularStd-Book.ttf

CircularStd-Book.ttf

81 ms

CircularStd-Bold.ttf

CircularStd-Bold.ttf

69 ms

icons_dryeyes_2.png

icons_dryeyes_2.png

69 ms

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icons_dryeyes_3.png

78 ms

cataracts-details.png

cataracts-details.png

80 ms

icons_cataracts_1.png

icons_cataracts_1.png

73 ms

icons_cataracts_2.png

icons_cataracts_2.png

70 ms

Textures_red.png

Textures_red.png

73 ms

ChadM_header.jpg

ChadM_header.jpg

73 ms

Story_image_mid_juans.jpg

Story_image_mid_juans.jpg

90 ms

shona_large.jpg

shona_large.jpg

78 ms

RyanG_large.jpg

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79 ms

jim-m.jpg

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70 ms

insight_tag_errors.gif

insight_tag_errors.gif

143 ms

Story_image_mid_gwen.jpg

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75 ms

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77 ms

text-media-bg.jpg

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67 ms

way.png

way.png

78 ms

eye-test.png

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72 ms

sm.25.html

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28 ms

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68 ms

gray-trans.png

gray-trans.png

61 ms

search.svg

search.svg

62 ms

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57 ms

JohnsonDisplay-Bold.otf

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5 ms

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5 ms

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JohnsonDisplay-Regular.otf

4 ms

JohnsonDisplay-Light.otf

JohnsonDisplay-Light.otf

10 ms

Accessibility Review

jjvision.com accessibility score

69

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

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

jjvision.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jjvision.com SEO score

79

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

High

Image elements do not have [alt] attributes

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 Jjvision.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 Jjvision.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

jjvision.com

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