Tools & Wizards About Us
www2.chem.wisc.edu screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 55

    SEO

    Google-friendlier than
    20% of websites

www2.chem.wisc.edu

Page Load Speed

500 ms in total

First Response

153 ms

Resources Loaded

281 ms

Page Rendered

66 ms

www2.chem.wisc.edu screenshot

About Website

Visit www2.chem.wisc.edu now to see the best up-to-date Www 2 Chem Wisc content for United States and also check out these interesting facts you probably never knew about www2.chem.wisc.edu

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Key Findings

We analyzed Www2.chem.wisc.edu page load time and found that the first response time was 153 ms and then it took 347 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

www2.chem.wisc.edu performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value1.1 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)

Value1.1 s

100/100

10%

Network Requests Diagram

www2.chem.wisc.edu

153 ms

www2.chem.wisc.edu

119 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Www2.chem.wisc.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (153 ms) belongs to the original domain Www2.chem.wisc.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 358.7 kB (9%)

Content Size

4.1 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www2.chem.wisc.edu main page is 4.1 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-12%

Potential reduce by 9 B

  • Original 75 B
  • After minification 70 B
  • After compression 66 B

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 9 B or 12% of the original size.

Image Optimization

-9%

Potential reduce by 357.5 kB

  • Original 3.9 MB
  • After minification 3.6 MB

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. Www 2 Chem Wisc images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 432 B

  • Original 70.7 kB
  • After minification 70.7 kB
  • After compression 70.3 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

-1%

Potential reduce by 767 B

  • Original 148.7 kB
  • After minification 148.7 kB
  • After compression 147.9 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. Www2.chem.wisc.edu has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

www2.chem.wisc.edu

www2.chem.wisc.edu

153 ms

www2.chem.wisc.edu

www2.chem.wisc.edu

119 ms

Accessibility Review

www2.chem.wisc.edu accessibility score

68

Accessibility Issues

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

Document doesn't have a <title> element

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

www2.chem.wisc.edu 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

SEO Factors

www2.chem.wisc.edu SEO score

55

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

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    N/A

  • 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 Www2.chem.wisc.edu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Www2.chem.wisc.edu 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

www2.chem.wisc.edu

Open Graph description is not detected on the main page of Www 2 Chem Wisc. 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: