Tools & Wizards About Us
museumofvision.org screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

museumofvision.org

Museum of the Eye® - American Academy of Ophthalmology

Page Load Speed

2 sec in total

First Response

31 ms

Resources Loaded

1.7 sec

Page Rendered

308 ms

museumofvision.org screenshot

About Website

Click here to check amazing Museum Ofvision content for United States. Otherwise, check out these important facts you probably never knew about museumofvision.org

View the Academy's collection of ophthalmic artifacts and history timelines in the Museum of the Eye.

Visit museumofvision.org

Key Findings

We analyzed Museumofvision.org page load time and found that the first response time was 31 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

museumofvision.org performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,940 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value27.2 s

0/100

10%

Network Requests Diagram

museumofvision.org

31 ms

museum-of-vision

70 ms

museum-of-the-eye

414 ms

combined.css

24 ms

combined.css

37 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Museumofvision.org, 42% (42 requests) were made to Aao.org and 15% (15 requests) were made to S0.2mdn.net. The less responsive or slowest element that took the longest time to load (785 ms) relates to the external source Aao.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 724.1 kB (33%)

Content Size

2.2 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Museumofvision.org 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. 80% 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. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 91.8 kB

  • Original 129.1 kB
  • After minification 122.4 kB
  • After compression 37.2 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 91.8 kB or 71% of the original size.

Image Optimization

-18%

Potential reduce by 172.0 kB

  • Original 952.5 kB
  • After minification 780.5 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, Museum Ofvision needs image optimization as it can save up to 172.0 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

-42%

Potential reduce by 459.5 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 627.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 459.5 kB or 42% of the original size.

CSS Optimization

-24%

Potential reduce by 784 B

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 2.5 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. Museumofvision.org needs all CSS files to be minified and compressed as it can save up to 784 B or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (56%)

Requests Now

90

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Museum Ofvision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

museumofvision.org

museumofvision.org

31 ms

museum-of-vision

museum-of-vision

70 ms

museum-of-the-eye

museum-of-the-eye

414 ms

combined.css

combined.css

24 ms

combined.css

combined.css

37 ms

combined.css

combined.css

23 ms

marvel.js

marvel.js

58 ms

WebForms.js

WebForms.js

19 ms

ScriptResource.axd

ScriptResource.axd

65 ms

ScriptResource.axd

ScriptResource.axd

64 ms

gpt.js

gpt.js

63 ms

24051

24051

133 ms

ScriptResource.axd

ScriptResource.axd

131 ms

ScriptResource.axd

ScriptResource.axd

122 ms

ScriptResource.axd

ScriptResource.axd

122 ms

ScriptResource.axd

ScriptResource.axd

122 ms

ScriptResource.axd

ScriptResource.axd

131 ms

ScriptResource.axd

ScriptResource.axd

122 ms

ScriptResource.axd

ScriptResource.axd

243 ms

gtm.js

gtm.js

217 ms

gpt.js

gpt.js

240 ms

1e5b3e35-cd34-4c2c-a9de-a7930ee7cf66.jpg

1e5b3e35-cd34-4c2c-a9de-a7930ee7cf66.jpg

428 ms

image.axd

image.axd

185 ms

image.axd

image.axd

185 ms

image.axd

image.axd

185 ms

cart_icn.png

cart_icn.png

184 ms

image.axd

image.axd

433 ms

image.axd

image.axd

503 ms

image.axd

image.axd

237 ms

image.axd

image.axd

237 ms

image.axd

image.axd

238 ms

image.axd

image.axd

239 ms

image.axd

image.axd

432 ms

image.axd

image.axd

303 ms

image.axd

image.axd

504 ms

image.axd

image.axd

304 ms

image.axd

image.axd

785 ms

bbd4f333-d510-4fb3-ba62-69f7ae40ad90.jpg

bbd4f333-d510-4fb3-ba62-69f7ae40ad90.jpg

234 ms

4c0e9573-87b6-4300-b3d9-8c54c3ce2dd6.jpg

4c0e9573-87b6-4300-b3d9-8c54c3ce2dd6.jpg

235 ms

6e61903f-ea65-495f-880f-49fdab8f30ee.jpg

6e61903f-ea65-495f-880f-49fdab8f30ee.jpg

183 ms

a5a3af1f-565c-4ea9-84cc-a59e29fc0d33.webp

a5a3af1f-565c-4ea9-84cc-a59e29fc0d33.webp

183 ms

sdk.js

sdk.js

209 ms

aao_logo_2x.png

aao_logo_2x.png

276 ms

icn-findeyemd-purple.png

icn-findeyemd-purple.png

276 ms

icn-search-purple.png

icn-search-purple.png

276 ms

pubads_impl.js

pubads_impl.js

179 ms

ppub_config

ppub_config

178 ms

aao-tagline-registered-trademark.png

aao-tagline-registered-trademark.png

144 ms

GothamSSm-Bold_Web.woff

GothamSSm-Bold_Web.woff

143 ms

GothamSSm-Medium_Web.woff

GothamSSm-Medium_Web.woff

260 ms

GothamSSm-Book_Web.woff

GothamSSm-Book_Web.woff

260 ms

GothamSSm-Light_Web.woff

GothamSSm-Light_Web.woff

261 ms

higher-logic-june-20

higher-logic-june-20

114 ms

overlay.png

overlay.png

216 ms

sdk.js

sdk.js

123 ms

24051

24051

124 ms

ads

ads

135 ms

container.html

container.html

65 ms

pubads_impl_page_level_ads.js

pubads_impl_page_level_ads.js

54 ms

controls.png

controls.png

54 ms

border.png

border.png

54 ms

loading_background.png

loading_background.png

55 ms

loading.gif

loading.gif

61 ms

24051,8124

24051,8124

53 ms

50 ms

ext.js

ext.js

21 ms

icon.png

icon.png

9 ms

abg_lite.js

abg_lite.js

39 ms

dcmads.js

dcmads.js

9 ms

ufs_web_display.js

ufs_web_display.js

39 ms

icon.png

icon.png

15 ms

impl_v101.js

impl_v101.js

13 ms

B32122200.395044871;dc_ver=101.296;dc_eid=40004001;sz=728x90;u_sd=1;dc_adk=3756771794;ord=81cl3u;click=https%3A%2F%2Fadclick.g.doubleclick.net%2Fpcs%2Fclick%3Fxai%3DAKAOjstSb15WtJ1jmooH9gczIz95sDE4y-tzGyArpJKbQ1s2X2wJh2XyHMr5RdE5fN9JG-eCqMlpYi9PmZDNNcKXIf0fO6F4_hfGK5Q1oGPeEPkUF4G4sD6mPYf2iYeszfKcx57j0O6crSsueJejG6uJgPGeDxlf6Gw3sjFYW2RQwcpXELzrXR0-pUEn0-D81xWfOxB6y88bymXPP6wPKgZ5CPDiTpjqyT7NEytWG9ZDYwduEn-E9Zy25mECD0PNOQQ5XZOAyRRNljIeGvDzjMvsN76ghYFO3gZbJFheRvWkFnLEqiaXvVs7ojBhKMzubCedTgFxy52rUHxKcweHozItF3i5XDZ8hU4lxgEFhF0%26sai%3DAMfl-YT54YA1LDXGQ_xM9NHkQTPuJKzYRf1vX5hL4ZnKPbhtqiTipnk9Kqy7ms0myaeXhFVcbJ9xMf9853CrCGS2qDxrmuHJ0XV5yiysclKJwd6hJXmsAarNhAFCNLfS56wizyZ7nLWkC5qBBVyU-pz4yg%26sig%3DCg0ArKJSzMPcUo7uIRG7EAE%26fbs_aeid%3D%255Bgw_fbsaeid%255D%26urlfix%3D1%26adurl%3D;dc_rfl=1,https%3A%2F%2Fwww.aao.org%2Fmuseum-of-the-eye$0;xdt=1;crlt=YzksE1WBdz;stc=1;sttr=20;prcl=s

B32122200.395044871;dc_ver=101.296;dc_eid=40004001;sz=728x90;u_sd=1;dc_adk=3756771794;ord=81cl3u;click=https%3A%2F%2Fadclick.g.doubleclick.net%2Fpcs%2Fclick%3Fxai%3DAKAOjstSb15WtJ1jmooH9gczIz95sDE4y-tzGyArpJKbQ1s2X2wJh2XyHMr5RdE5fN9JG-eCqMlpYi9PmZDNNcKXIf0fO6F4_hfGK5Q1oGPeEPkUF4G4sD6mPYf2iYeszfKcx57j0O6crSsueJejG6uJgPGeDxlf6Gw3sjFYW2RQwcpXELzrXR0-pUEn0-D81xWfOxB6y88bymXPP6wPKgZ5CPDiTpjqyT7NEytWG9ZDYwduEn-E9Zy25mECD0PNOQQ5XZOAyRRNljIeGvDzjMvsN76ghYFO3gZbJFheRvWkFnLEqiaXvVs7ojBhKMzubCedTgFxy52rUHxKcweHozItF3i5XDZ8hU4lxgEFhF0%26sai%3DAMfl-YT54YA1LDXGQ_xM9NHkQTPuJKzYRf1vX5hL4ZnKPbhtqiTipnk9Kqy7ms0myaeXhFVcbJ9xMf9853CrCGS2qDxrmuHJ0XV5yiysclKJwd6hJXmsAarNhAFCNLfS56wizyZ7nLWkC5qBBVyU-pz4yg%26sig%3DCg0ArKJSzMPcUo7uIRG7EAE%26fbs_aeid%3D%255Bgw_fbsaeid%255D%26urlfix%3D1%26adurl%3D;dc_rfl=1,https%3A%2F%2Fwww.aao.org%2Fmuseum-of-the-eye$0;xdt=1;crlt=YzksE1WBdz;stc=1;sttr=20;prcl=s

145 ms

icon.png

icon.png

10 ms

B32122200.395044871;dc_ver=101.296;sz=728x90;u_sd=1;dc_adk=2539886229;ord=3o63fr;click=https%3A%2F%2Fadclick.g.doubleclick.net%2Fpcs%2Fclick%3Fxai%3DAKAOjstKKQxfscExnK6y1IQIa9NlTbkKbwMqViL_bzjUi-ZRIRmN6_OBWfofPfgSRXktyTrzMwOEiLpan445j46GJEZa_CQgi0Lyp1HhY2oM2Ezth7dWbVxxlrC5avcVYrc3YcUGjj1kCjdBztZC24n1KZcPiGVBJ1i3bwObO3nA1bMozmO5XF-Uj-HBToW_EBERQalcYTD-g2BcbTULUae817exuKMzve99-62auoVeLTfKAFE_Qq5f7QzQbsqqxLZWnbLNB83ZcxK6yXCpUz7dwoQ4IzEuCUepOzOm3P5X_OPawqE7nlRRS6kyBO5qa4uStRE1OnWmuHLYN1KV712RTzaWI6a_ipV7Gvq_U4aWCEo%26sai%3DAMfl-YRNqhJZNDt4oEdlvbd9v4GiO6PCMwHAzNTNOKI7zHU61_zkTKJtf7L5pNsPAngevyUuUrbfYOrC8iKlYTMisKBLnlcjGscDxajhPEHMvpYjfhxsuqRNEveLYuGSPJBIzTK8eGfQREHCjCU4qB69Sg%26sig%3DCg0ArKJSzIYLG-TupJiLEAE%26fbs_aeid%3D%255Bgw_fbsaeid%255D%26urlfix%3D1%26adurl%3D;dc_rfl=1,https%3A%2F%2Fwww.aao.org%2Fmuseum-of-the-eye$0;xdt=1;crlt=YzksE1WBdz;stc=1;sttr=2;prcl=s

B32122200.395044871;dc_ver=101.296;sz=728x90;u_sd=1;dc_adk=2539886229;ord=3o63fr;click=https%3A%2F%2Fadclick.g.doubleclick.net%2Fpcs%2Fclick%3Fxai%3DAKAOjstKKQxfscExnK6y1IQIa9NlTbkKbwMqViL_bzjUi-ZRIRmN6_OBWfofPfgSRXktyTrzMwOEiLpan445j46GJEZa_CQgi0Lyp1HhY2oM2Ezth7dWbVxxlrC5avcVYrc3YcUGjj1kCjdBztZC24n1KZcPiGVBJ1i3bwObO3nA1bMozmO5XF-Uj-HBToW_EBERQalcYTD-g2BcbTULUae817exuKMzve99-62auoVeLTfKAFE_Qq5f7QzQbsqqxLZWnbLNB83ZcxK6yXCpUz7dwoQ4IzEuCUepOzOm3P5X_OPawqE7nlRRS6kyBO5qa4uStRE1OnWmuHLYN1KV712RTzaWI6a_ipV7Gvq_U4aWCEo%26sai%3DAMfl-YRNqhJZNDt4oEdlvbd9v4GiO6PCMwHAzNTNOKI7zHU61_zkTKJtf7L5pNsPAngevyUuUrbfYOrC8iKlYTMisKBLnlcjGscDxajhPEHMvpYjfhxsuqRNEveLYuGSPJBIzTK8eGfQREHCjCU4qB69Sg%26sig%3DCg0ArKJSzIYLG-TupJiLEAE%26fbs_aeid%3D%255Bgw_fbsaeid%255D%26urlfix%3D1%26adurl%3D;dc_rfl=1,https%3A%2F%2Fwww.aao.org%2Fmuseum-of-the-eye$0;xdt=1;crlt=YzksE1WBdz;stc=1;sttr=2;prcl=s

50 ms

dvbm.js

dvbm.js

145 ms

express_html_inpage_rendering_lib_200_280.js

express_html_inpage_rendering_lib_200_280.js

152 ms

omrhp.js

omrhp.js

130 ms

Q12zgMmT.js

Q12zgMmT.js

127 ms

62bHydCX.html

62bHydCX.html

15 ms

activeview

activeview

125 ms

index.html

index.html

37 ms

XCSEbScD2TvrcCbmOAwzw3FcKGiduMdvSHMNJDgnGcc.js

XCSEbScD2TvrcCbmOAwzw3FcKGiduMdvSHMNJDgnGcc.js

94 ms

activeview

activeview

87 ms

css2

css2

112 ms

style.css

style.css

61 ms

animate.css

animate.css

85 ms

jquery.min.js

jquery.min.js

118 ms

activeview

activeview

107 ms

activeview

activeview

153 ms

frame6_bg.png

frame6_bg.png

104 ms

frame1_eye.png

frame1_eye.png

100 ms

frame2_eye.png

frame2_eye.png

101 ms

frame3_img1.png

frame3_img1.png

105 ms

frame3_drop.png

frame3_drop.png

105 ms

pink_sparkles.png

pink_sparkles.png

105 ms

Ryzumvi_Logo.svg

Ryzumvi_Logo.svg

106 ms

frame6_text1.png

frame6_text1.png

105 ms

frame7_logo.png

frame7_logo.png

105 ms

arrow.png

arrow.png

128 ms

logo.png

logo.png

128 ms

Accessibility Review

museumofvision.org accessibility score

71

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

museumofvision.org best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

museumofvision.org SEO score

75

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

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 Museumofvision.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 Museumofvision.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

museumofvision.org

Open Graph description is not detected on the main page of Museum Ofvision. 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: