Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

nervenet.org

Neurogenetics at UT Health Science Center

Page Load Speed

1.2 sec in total

First Response

115 ms

Resources Loaded

914 ms

Page Rendered

132 ms

nervenet.org screenshot

About Website

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

Neurogenetics at the University of Tennessee, Memphis. This server is the gateway to The Portable Dictionary of the Mouse Genome (over 20,000 gene loci), The Mouse Brain Library, databases on mouse br...

Visit nervenet.org

Key Findings

We analyzed Nervenet.org page load time and found that the first response time was 115 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

nervenet.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

nervenet.org

115 ms

nervenet.org

163 ms

stylesheet.css

36 ms

master.js

70 ms

lastmod.js

103 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 82% of them (37 requests) were addressed to the original Nervenet.org, 9% (4 requests) were made to Rf.revolvermaps.com and 4% (2 requests) were made to Complextrait.org. The less responsive or slowest element that took the longest time to load (364 ms) relates to the external source Rf.revolvermaps.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.3 kB (71%)

Content Size

85.0 kB

After Optimization

24.7 kB

In fact, the total size of Nervenet.org main page is 85.0 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. 15% of websites need less resources to load. HTML takes 67.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 57.6 kB

  • Original 67.3 kB
  • After minification 45.0 kB
  • After compression 9.7 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. This page needs HTML code to be minified as it can gain 22.3 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 57.6 kB or 86% of the original size.

Image Optimization

-20%

Potential reduce by 846 B

  • Original 4.2 kB
  • After minification 3.4 kB

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. Obviously, Nervenet needs image optimization as it can save up to 846 B or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 1.7 kB

  • Original 10.0 kB
  • After minification 9.8 kB
  • After compression 8.4 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 1.7 kB or 17% of the original size.

CSS Optimization

-6%

Potential reduce by 206 B

  • Original 3.4 kB
  • After minification 3.4 kB
  • After compression 3.2 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. Nervenet.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (56%)

Requests Now

39

After Optimization

17

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nervenet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

nervenet.org accessibility score

44

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

nervenet.org 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nervenet.org 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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nervenet.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 Nervenet.org 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 Nervenet. 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: