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fuse.pha.jhu.edu screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

fuse.pha.jhu.edu

FUSE: Far Ultraviolet Spectroscopic Explorer Home Page

Page Load Speed

561 ms in total

First Response

57 ms

Resources Loaded

268 ms

Page Rendered

236 ms

fuse.pha.jhu.edu screenshot

About Website

Welcome to fuse.pha.jhu.edu homepage info - get ready to check FUSE Pha Jhu best content for United States right away, or after learning these important things about fuse.pha.jhu.edu

Homepage for FUSE, the Far Ultraviolet Spectroscopic Explorer. FUSE is a NASA-supported astronomy mission, developed by The Johns Hopkins University, to explore the Universe using the technique of hig...

Visit fuse.pha.jhu.edu

Key Findings

We analyzed Fuse.pha.jhu.edu page load time and found that the first response time was 57 ms and then it took 504 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

fuse.pha.jhu.edu performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

fuse.pha.jhu.edu

57 ms

fuse.pha.jhu.edu

74 ms

PandA_header.jpg

58 ms

fuse_header2_cap_med.jpg

72 ms

prelaunch.jpg

115 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 Fuse.pha.jhu.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (115 ms) belongs to the original domain Fuse.pha.jhu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.1 kB (4%)

Content Size

2.6 MB

After Optimization

2.5 MB

  • HTML
  • Images

In fact, the total size of Fuse.pha.jhu.edu main page is 2.6 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. Only 10% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 2.4 kB

  • Original 3.9 kB
  • After minification 3.6 kB
  • After compression 1.6 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 2.4 kB or 60% of the original size.

Image Optimization

-4%

Potential reduce by 95.7 kB

  • Original 2.6 MB
  • After minification 2.5 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. FUSE Pha Jhu images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FUSE Pha Jhu. According to our analytics all requests are already optimized.

Network Requests Diagram

fuse.pha.jhu.edu

fuse.pha.jhu.edu

57 ms

fuse.pha.jhu.edu

fuse.pha.jhu.edu

74 ms

PandA_header.jpg

PandA_header.jpg

58 ms

fuse_header2_cap_med.jpg

fuse_header2_cap_med.jpg

72 ms

prelaunch.jpg

prelaunch.jpg

115 ms

tripure2_sm.jpg

tripure2_sm.jpg

52 ms

Accessibility Review

fuse.pha.jhu.edu 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

fuse.pha.jhu.edu best practices score

58

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

SEO Factors

fuse.pha.jhu.edu 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 Fuse.pha.jhu.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 Fuse.pha.jhu.edu 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

fuse.pha.jhu.edu

Open Graph description is not detected on the main page of FUSE Pha Jhu. 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: