Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

gi.alaska.edu

Home | Geophysical Institute

Page Load Speed

3 sec in total

First Response

353 ms

Resources Loaded

2.4 sec

Page Rendered

233 ms

About Website

Welcome to gi.alaska.edu homepage info - get ready to check Gi Alaska best content for United States right away, or after learning these important things about gi.alaska.edu

Since it was established by an Act of Congress in 1946, scientists at the Geophysical Institute have studied geophysical processes from the center of the Earth to the surface of the sun and beyond, tu...

Visit gi.alaska.edu

Key Findings

We analyzed Gi.alaska.edu page load time and found that the first response time was 353 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

gi.alaska.edu performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

gi.alaska.edu

353 ms

css_oBQcHWSRDji1OFWuwwZMqC9d1TS5p9bokxMS0qZVxhk.css

122 ms

css_vLFw9k13UhFJXiuBEKFXZqOz3lu_1DV_SzZWlwYpP_M.css

237 ms

css_-9rojZc4leOC0rqC0ZgdgXd-ATouFUYSc061bf_bWSQ.css

349 ms

css_Ip6I2qwJLQAUhMAnNUUJlJfoenqjWWD1bXfT4s5aQjM.css

235 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 65% of them (15 requests) were addressed to the original Gi.alaska.edu, 13% (3 requests) were made to Uaf.edu and 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Gi.alaska.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 460.0 kB (20%)

Content Size

2.3 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gi.alaska.edu main page is 2.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 14.7 kB

  • Original 20.3 kB
  • After minification 19.1 kB
  • After compression 5.6 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 14.7 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 18.5 kB

  • Original 1.8 MB
  • After minification 1.8 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. Gi Alaska images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 182.6 kB

  • Original 262.7 kB
  • After minification 228.7 kB
  • After compression 80.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 182.6 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 244.2 kB

  • Original 275.9 kB
  • After minification 273.2 kB
  • After compression 31.7 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. Gi.alaska.edu needs all CSS files to be minified and compressed as it can save up to 244.2 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (53%)

Requests Now

19

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gi Alaska. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

gi.alaska.edu accessibility score

88

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

gi.alaska.edu best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

gi.alaska.edu SEO score

77

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Gi.alaska.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 Gi.alaska.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 description is not detected on the main page of Gi Alaska. 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: