Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

climate.miami.edu

Climate Change - a special report from the University of Miami

Page Load Speed

1.7 sec in total

First Response

83 ms

Resources Loaded

1.2 sec

Page Rendered

395 ms

climate.miami.edu screenshot

About Website

Click here to check amazing Climate Miami content for United States. Otherwise, check out these important facts you probably never knew about climate.miami.edu

The University of Miami examines climate change through the lenses of daily life, politics, health, the built environment, renewable energy and more.

Visit climate.miami.edu

Key Findings

We analyzed Climate.miami.edu page load time and found that the first response time was 83 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

climate.miami.edu performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value3,090 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.726

6/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

climate.miami.edu

83 ms

climate.miami.edu

87 ms

wp-emoji-release.min.js

7 ms

style20b9.css

60 ms

stylescfaa.css

62 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 57% of them (30 requests) were addressed to the original Climate.miami.edu, 11% (6 requests) were made to Youtube.com and 6% (3 requests) were made to Welcome.miami.edu. The less responsive or slowest element that took the longest time to load (631 ms) relates to the external source Polldaddy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.4 kB (20%)

Content Size

436.6 kB

After Optimization

348.3 kB

In fact, the total size of Climate.miami.edu main page is 436.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 166.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 85.7 kB

  • Original 105.6 kB
  • After minification 98.6 kB
  • After compression 19.9 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 85.7 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 23 B

  • Original 104.5 kB
  • After minification 104.5 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. Climate Miami images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.6 kB

  • Original 166.7 kB
  • After minification 166.7 kB
  • After compression 164.1 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

-0%

Potential reduce by 0 B

  • Original 59.8 kB
  • After minification 59.8 kB
  • After compression 59.8 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. Climate.miami.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (60%)

Requests Now

43

After Optimization

17

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Climate Miami. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

climate.miami.edu accessibility score

94

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.

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

climate.miami.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

climate.miami.edu SEO score

83

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Climate.miami.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Climate.miami.edu main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Climate Miami. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: