Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

biology.arizona.edu

The Biology Project

Page Load Speed

1.1 sec in total

First Response

329 ms

Resources Loaded

539 ms

Page Rendered

199 ms

biology.arizona.edu screenshot

About Website

Welcome to biology.arizona.edu homepage info - get ready to check Biology Arizona best content for United States right away, or after learning these important things about biology.arizona.edu

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Key Findings

We analyzed Biology.arizona.edu page load time and found that the first response time was 329 ms and then it took 738 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

biology.arizona.edu performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

biology.arizona.edu

329 ms

dnabckgd2.gif

136 ms

activities.gif

143 ms

elisa_small.gif

206 ms

about.gif

142 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Biology.arizona.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (329 ms) belongs to the original domain Biology.arizona.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.9 kB (51%)

Content Size

35.1 kB

After Optimization

17.2 kB

In fact, the total size of Biology.arizona.edu main page is 35.1 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. HTML takes 22.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 17.9 kB

  • Original 22.6 kB
  • After minification 19.5 kB
  • After compression 4.7 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 3.1 kB, which is 14% 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 17.9 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 34 B

  • Original 12.6 kB
  • After minification 12.5 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. Biology Arizona images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biology Arizona. According to our analytics all requests are already optimized.

Accessibility Review

biology.arizona.edu accessibility score

76

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

Links do not have a discernible name

Best Practices

biology.arizona.edu 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

SEO Factors

biology.arizona.edu SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Biology.arizona.edu 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 Biology.arizona.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

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