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imss.org screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

imss.org

Best Museum Chicago - Things to Do in Chicago - International Museum of Surgical Science

Page Load Speed

7.6 sec in total

First Response

1.3 sec

Resources Loaded

4.3 sec

Page Rendered

2 sec

imss.org screenshot

About Website

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

Discover the best Chicago museum. International Museum of Surgical Science: Explore surgical history, interactive exhibits, events & programs.

Visit imss.org

Key Findings

We analyzed Imss.org page load time and found that the first response time was 1.3 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

imss.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value2,280 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

imss.org

1291 ms

embed-pdf-viewer.css

110 ms

index.css

158 ms

wc-square-cart-checkout-blocks.min.css

157 ms

style.css

160 ms

Our browser made a total of 218 requests to load all elements on the main page. We found that 80% of them (175 requests) were addressed to the original Imss.org, 8% (18 requests) were made to I0.wp.com and 3% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Imss.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 490.6 kB (33%)

Content Size

1.5 MB

After Optimization

992.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Imss.org main page is 1.5 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. HTML takes 480.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 408.3 kB

  • Original 480.9 kB
  • After minification 463.6 kB
  • After compression 72.5 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 408.3 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 42 B

  • Original 382.5 kB
  • After minification 382.5 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. Imss images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 19.5 kB

  • Original 422.7 kB
  • After minification 422.2 kB
  • After compression 403.3 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 62.7 kB

  • Original 197.0 kB
  • After minification 189.2 kB
  • After compression 134.3 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. Imss.org needs all CSS files to be minified and compressed as it can save up to 62.7 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 198 (95%)

Requests Now

209

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 209 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imss. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 80 to 1 for JavaScripts and from 103 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

imss.org

imss.org

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Accessibility Review

imss.org accessibility score

87

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

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

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

imss.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

imss.org SEO score

83

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

robots.txt is not valid

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 Imss.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 Imss.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

imss.org

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