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Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cms.acm.org

JavaScript Disabled

Page Load Speed

242 ms in total

First Response

38 ms

Resources Loaded

117 ms

Page Rendered

87 ms

cms.acm.org screenshot

About Website

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Key Findings

We analyzed Cms.acm.org page load time and found that the first response time was 38 ms and then it took 204 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

cms.acm.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.5 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)

Value1.4 s

100/100

10%

Network Requests Diagram

cms.acm.org

38 ms

cfform.js

23 ms

masks.js

22 ms

general.css

26 ms

logo_bg.jpg

24 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that all of those requests were addressed to Cms.acm.org and no external sources were called. The less responsive or slowest element that took the longest time to load (38 ms) belongs to the original domain Cms.acm.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.0 kB (75%)

Content Size

26.5 kB

After Optimization

6.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cms.acm.org main page is 26.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 14.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 5.6 kB

  • Original 7.5 kB
  • After minification 6.6 kB
  • After compression 1.8 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 884 B, which is 12% 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 5.6 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 19 B

  • Original 332 B
  • After minification 313 B

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. Cms Acm images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 11.0 kB

  • Original 14.5 kB
  • After minification 12.9 kB
  • After compression 3.5 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 11.0 kB or 76% of the original size.

CSS Optimization

-80%

Potential reduce by 3.4 kB

  • Original 4.2 kB
  • After minification 3.1 kB
  • After compression 866 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. Cms.acm.org needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cms Acm. According to our analytics all requests are already optimized.

Network Requests Diagram

cms.acm.org

cms.acm.org

38 ms

cfform.js

cfform.js

23 ms

masks.js

masks.js

22 ms

general.css

general.css

26 ms

logo_bg.jpg

logo_bg.jpg

24 ms

logo.gif

logo.gif

25 ms

logo_text.gif

logo_text.gif

28 ms

bgdeis10.gif

bgdeis10.gif

26 ms

Accessibility Review

cms.acm.org accessibility score

75

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

cms.acm.org best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

cms.acm.org SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Cms.acm.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 Cms.acm.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

cms.acm.org

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