Tools & Wizards About Us
sciencegateway.org screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sciencegateway.org

Science Gateway

Page Load Speed

1.2 sec in total

First Response

474 ms

Resources Loaded

575 ms

Page Rendered

172 ms

sciencegateway.org screenshot

About Website

Click here to check amazing Science Gateway content for United States. Otherwise, check out these important facts you probably never knew about sciencegateway.org

Science Gateway - Web site for biomedical research with pubmed search, journals, textbooks, database

Visit sciencegateway.org

Key Findings

We analyzed Sciencegateway.org page load time and found that the first response time was 474 ms and then it took 747 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

sciencegateway.org performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value560 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.147

77/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

sciencegateway.org

474 ms

style.css

268 ms

spacer.gif

136 ms

sg_logo.gif

136 ms

show_ads.js

4 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 73% of them (8 requests) were addressed to the original Sciencegateway.org, 18% (2 requests) were made to Pagead2.googlesyndication.com and 9% (1 request) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (474 ms) belongs to the original domain Sciencegateway.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.9 kB (68%)

Content Size

73.1 kB

After Optimization

23.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Sciencegateway.org main page is 73.1 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 44.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 36.6 kB

  • Original 44.3 kB
  • After minification 43.7 kB
  • After compression 7.7 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. 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 36.6 kB or 83% of the original size.

JavaScript Optimization

-0%

Potential reduce by 53 B

  • Original 14.6 kB
  • After minification 14.5 kB
  • After compression 14.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-93%

Potential reduce by 13.3 kB

  • Original 14.3 kB
  • After minification 12.7 kB
  • After compression 1.0 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. Sciencegateway.org needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 93% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Gateway. According to our analytics all requests are already optimized.

Network Requests Diagram

sciencegateway.org

sciencegateway.org

474 ms

style.css

style.css

268 ms

spacer.gif

spacer.gif

136 ms

sg_logo.gif

sg_logo.gif

136 ms

show_ads.js

show_ads.js

4 ms

spacer(2).gif

spacer(2).gif

70 ms

spacer(1).gif

spacer(1).gif

72 ms

spacer_grey.gif

spacer_grey.gif

70 ms

sg_footer_22_black.gif

sg_footer_22_black.gif

72 ms

ca-pub-4166541300620498.js

ca-pub-4166541300620498.js

30 ms

zrt_lookup.html

zrt_lookup.html

32 ms

Accessibility Review

sciencegateway.org accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

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

Best Practices

sciencegateway.org 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

sciencegateway.org SEO score

77

Search Engine Optimization Advices

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 Sciencegateway.org 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 Sciencegateway.org 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

sciencegateway.org

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