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cahsee.org screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

cahsee.org

CAHSEE

Page Load Speed

727 ms in total

First Response

220 ms

Resources Loaded

415 ms

Page Rendered

92 ms

cahsee.org screenshot

About Website

Visit cahsee.org now to see the best up-to-date CAHSEE content and also check out these interesting facts you probably never knew about cahsee.org

The Center for the Advancement of Hispanics in Science and Engineering Education is a national educational and scientific non-profit organization based in Washington DC created by Latino scientists an...

Visit cahsee.org

Key Findings

We analyzed Cahsee.org page load time and found that the first response time was 220 ms and then it took 507 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

cahsee.org performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

cahsee.org

220 ms

style.css

60 ms

nasa.gif

120 ms

newsfront.gif

117 ms

sitefront.gif

118 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to Cahsee.org and no external sources were called. The less responsive or slowest element that took the longest time to load (220 ms) belongs to the original domain Cahsee.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.0 kB (19%)

Content Size

41.1 kB

After Optimization

33.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Cahsee.org main page is 41.1 kB. 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 5% of websites need less resources to load. Images take 30.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 6.1 kB

  • Original 8.3 kB
  • After minification 7.5 kB
  • After compression 2.2 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 6.1 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 32 B

  • Original 30.4 kB
  • After minification 30.4 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. CAHSEE images are well optimized though.

CSS Optimization

-78%

Potential reduce by 1.9 kB

  • Original 2.4 kB
  • After minification 1.8 kB
  • After compression 524 B

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. Cahsee.org needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CAHSEE. According to our analytics all requests are already optimized.

Network Requests Diagram

cahsee.org

cahsee.org

220 ms

style.css

style.css

60 ms

nasa.gif

nasa.gif

120 ms

newsfront.gif

newsfront.gif

117 ms

sitefront.gif

sitefront.gif

118 ms

presidentialaward.jpg

presidentialaward.jpg

182 ms

BEST.jpg

BEST.jpg

123 ms

latpro.jpg

latpro.jpg

123 ms

expertech.gif

expertech.gif

174 ms

Accessibility Review

cahsee.org accessibility score

46

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.

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

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

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

cahsee.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

cahsee.org SEO score

50

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cahsee.org 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 Cahsee.org main page’s claimed encoding is iso-8859-1. 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

cahsee.org

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