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Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

archive.sigda.org

Home | SIGDA, Special Interest Group on Design Automation, Association for Computing Machinery

Page Load Speed

369 ms in total

First Response

77 ms

Resources Loaded

222 ms

Page Rendered

70 ms

About Website

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

ACM's Special Interest Group on Design Automation serves the Electronic Design Automation (EDA) community, including students, academic researchers, and practitioners.

Visit archive.sigda.org

Key Findings

We analyzed Archive.sigda.org page load time and found that the first response time was 77 ms and then it took 292 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

archive.sigda.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

archive.sigda.org

77 ms

sigdastylesheet.css

37 ms

sigda_header3.jpg

80 ms

nav-about-off_85x20.jpg

38 ms

nav-memberbens-off_165x20.jpg

44 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Archive.sigda.org and no external sources were called. The less responsive or slowest element that took the longest time to load (80 ms) belongs to the original domain Archive.sigda.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.9 kB (11%)

Content Size

130.2 kB

After Optimization

116.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Archive.sigda.org main page is 130.2 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 10% of websites need less resources to load. Images take 112.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.5 kB

  • Original 12.6 kB
  • After minification 10.5 kB
  • After compression 3.2 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. This page needs HTML code to be minified as it can gain 2.1 kB, which is 17% 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 9.5 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 49 B

  • Original 112.5 kB
  • After minification 112.5 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. Archive SIGDA images are well optimized though.

CSS Optimization

-88%

Potential reduce by 4.4 kB

  • Original 5.0 kB
  • After minification 4.1 kB
  • After compression 590 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. Archive.sigda.org needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

  • Images
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Archive SIGDA. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

archive.sigda.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.

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

archive.sigda.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

archive.sigda.org SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Archive.sigda.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 Archive.sigda.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

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