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Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

cssec.slideroom.com

Stanford University - Cardiothoracic Surgical Skills and Education Center - SlideRoom

Page Load Speed

207 ms in total

First Response

41 ms

Resources Loaded

112 ms

Page Rendered

54 ms

cssec.slideroom.com screenshot

About Website

Click here to check amazing Cssec Slide Room content for United States. Otherwise, check out these important facts you probably never knew about cssec.slideroom.com

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Key Findings

We analyzed Cssec.slideroom.com page load time and found that the first response time was 41 ms and then it took 166 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

cssec.slideroom.com performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.096

90/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

cssec.slideroom.com

41 ms

cssec.slideroom.com

24 ms

ed9aad64024186e8fdb3b861a61d9d0a-core.js

38 ms

cookieconsent.min.css

26 ms

cookieconsent.min.js

40 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 40% of them (2 requests) were addressed to the original Cssec.slideroom.com, 40% (2 requests) were made to Cdnjs.cloudflare.com and 20% (1 request) were made to Submit.slideroom.com. The less responsive or slowest element that took the longest time to load (41 ms) belongs to the original domain Cssec.slideroom.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 kB (2%)

Content Size

92.8 kB

After Optimization

91.1 kB

  • HTML
  • JavaScript

In fact, the total size of Cssec.slideroom.com main page is 92.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 89.8 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 1.7 kB

  • Original 3.1 kB
  • After minification 2.9 kB
  • After compression 1.3 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 1.7 kB or 57% of the original size.

JavaScript Optimization

-0%

Potential reduce by 43 B

  • Original 89.8 kB
  • After minification 89.8 kB
  • After compression 89.7 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.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cssec Slide Room. According to our analytics all requests are already optimized.

Network Requests Diagram

cssec.slideroom.com

cssec.slideroom.com

41 ms

cssec.slideroom.com

cssec.slideroom.com

24 ms

ed9aad64024186e8fdb3b861a61d9d0a-core.js

ed9aad64024186e8fdb3b861a61d9d0a-core.js

38 ms

cookieconsent.min.css

cookieconsent.min.css

26 ms

cookieconsent.min.js

cookieconsent.min.js

40 ms

Accessibility Review

cssec.slideroom.com accessibility score

98

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.

Best Practices

cssec.slideroom.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cssec.slideroom.com SEO score

58

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cssec.slideroom.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cssec.slideroom.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cssec.slideroom.com

Open Graph description is not detected on the main page of Cssec Slide Room. 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: