Tools & Wizards About Us
alaskascience.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

alaskascience.com

Alaska Science Explained - Rocket Scientist, Neal Brown, explains the Aurora, rockets and more!

Page Load Speed

476 ms in total

First Response

126 ms

Resources Loaded

229 ms

Page Rendered

121 ms

alaskascience.com screenshot

About Website

Click here to check amazing Alaska Science content. Otherwise, check out these important facts you probably never knew about alaskascience.com

Make a Rocket, discover the Aurora, and discover the joys of science with rocket scientist, Neal Brown!

Visit alaskascience.com

Key Findings

We analyzed Alaskascience.com page load time and found that the first response time was 126 ms and then it took 350 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

alaskascience.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

99/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

alaskascience.com

126 ms

background2.gif

55 ms

rocketbut.GIF

40 ms

aurorabut.GIF

45 ms

lecturebut.GIF

46 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Alaskascience.com and no external sources were called. The less responsive or slowest element that took the longest time to load (126 ms) belongs to the original domain Alaskascience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.9 kB (69%)

Content Size

5.6 kB

After Optimization

1.8 kB

  • HTML

In fact, the total size of Alaskascience.com main page is 5.6 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. Only 5% of websites need less resources to load. HTML takes 5.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 3.9 kB

  • Original 5.6 kB
  • After minification 5.3 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. 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 3.9 kB or 69% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alaska Science. According to our analytics all requests are already optimized.

Network Requests Diagram

alaskascience.com

alaskascience.com

126 ms

background2.gif

background2.gif

55 ms

rocketbut.GIF

rocketbut.GIF

40 ms

aurorabut.GIF

aurorabut.GIF

45 ms

lecturebut.GIF

lecturebut.GIF

46 ms

mapsbut.GIF

mapsbut.GIF

47 ms

linksbut.GIF

linksbut.GIF

50 ms

aselogo.GIF

aselogo.GIF

59 ms

spacer1.gif

spacer1.gif

65 ms

nblogo.GIF

nblogo.GIF

67 ms

emailbut.GIF

emailbut.GIF

70 ms

designbut.GIF

designbut.GIF

75 ms

justwhois.gif

justwhois.gif

89 ms

76 ms

mompie.gif

mompie.gif

87 ms

scienceiqlogo.gif

scienceiqlogo.gif

89 ms

Accessibility Review

alaskascience.com accessibility score

66

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

Image elements do not have [alt] attributes

Best Practices

alaskascience.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

alaskascience.com SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alaskascience.com 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 Alaskascience.com main page’s claimed encoding is . 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

alaskascience.com

Open Graph description is not detected on the main page of Alaska Science. 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: