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glacier.lbl.gov screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

glacier.lbl.gov

Glacier: Icecube build and release repository

Page Load Speed

933 ms in total

First Response

170 ms

Resources Loaded

642 ms

Page Rendered

121 ms

glacier.lbl.gov screenshot

About Website

Welcome to glacier.lbl.gov homepage info - get ready to check Glacier Lbl best content for United States right away, or after learning these important things about glacier.lbl.gov

Visit glacier.lbl.gov

Key Findings

We analyzed Glacier.lbl.gov page load time and found that the first response time was 170 ms and then it took 763 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

glacier.lbl.gov performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.134

80/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

glacier.lbl.gov

170 ms

DAQ.css

69 ms

glacier.gif

473 ms

tux.gif

134 ms

osx.gif

134 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Glacier.lbl.gov and no external sources were called. The less responsive or slowest element that took the longest time to load (473 ms) belongs to the original domain Glacier.lbl.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.6 kB (80%)

Content Size

17.0 kB

After Optimization

3.5 kB

  • HTML
  • CSS

In fact, the total size of Glacier.lbl.gov main page is 17.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 9.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 5.3 kB

  • Original 7.1 kB
  • After minification 6.5 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 5.3 kB or 75% of the original size.

CSS Optimization

-83%

Potential reduce by 8.2 kB

  • Original 9.9 kB
  • After minification 7.7 kB
  • After compression 1.7 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. Glacier.lbl.gov needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Glacier Lbl. According to our analytics all requests are already optimized.

Network Requests Diagram

glacier.lbl.gov

glacier.lbl.gov

170 ms

DAQ.css

DAQ.css

69 ms

glacier.gif

glacier.gif

473 ms

tux.gif

tux.gif

134 ms

osx.gif

osx.gif

134 ms

win.gif

win.gif

136 ms

Accessibility Review

glacier.lbl.gov accessibility score

60

Accessibility Issues

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

glacier.lbl.gov 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

glacier.lbl.gov 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 Glacier.lbl.gov 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 Glacier.lbl.gov 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

glacier.lbl.gov

Open Graph description is not detected on the main page of Glacier Lbl. 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: