Tools & Wizards About Us
splitgal4.janelia.org screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

splitgal4.janelia.org

Fly Light Split-GAL4 Driver Collection

Page Load Speed

1.1 sec in total

First Response

55 ms

Resources Loaded

908 ms

Page Rendered

141 ms

splitgal4.janelia.org screenshot

About Website

Click here to check amazing Split GAL4 Janelia content for United States. Otherwise, check out these important facts you probably never knew about splitgal4.janelia.org

Visit splitgal4.janelia.org

Key Findings

We analyzed Splitgal4.janelia.org page load time and found that the first response time was 55 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

splitgal4.janelia.org performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

splitgal4.janelia.org

55 ms

splitgal4.cgi

541 ms

splitgal4.css

11 ms

flew_style.css

13 ms

treeview.css

9 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 92% of them (34 requests) were addressed to the original Splitgal4.janelia.org, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (541 ms) belongs to the original domain Splitgal4.janelia.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.7 kB (73%)

Content Size

404.1 kB

After Optimization

108.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Splitgal4.janelia.org main page is 404.1 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. 25% of websites need less resources to load. Javascripts take 325.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.7 kB

  • Original 30.6 kB
  • After minification 30.1 kB
  • After compression 5.9 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 24.7 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 2.7 kB

  • Original 28.5 kB
  • After minification 25.9 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. Split GAL4 Janelia images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 252.8 kB

  • Original 325.0 kB
  • After minification 250.3 kB
  • After compression 72.2 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 252.8 kB or 78% of the original size.

CSS Optimization

-78%

Potential reduce by 15.5 kB

  • Original 20.0 kB
  • After minification 15.6 kB
  • After compression 4.5 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. Splitgal4.janelia.org needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (41%)

Requests Now

34

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Split GAL4 Janelia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

splitgal4.janelia.org

splitgal4.janelia.org

55 ms

splitgal4.cgi

splitgal4.cgi

541 ms

splitgal4.css

splitgal4.css

11 ms

flew_style.css

flew_style.css

13 ms

treeview.css

treeview.css

9 ms

prototype.js

prototype.js

51 ms

scriptaculous.js

scriptaculous.js

12 ms

treeview.js

treeview.js

14 ms

labcommon.js

labcommon.js

20 ms

splitgal4.js

splitgal4.js

19 ms

fonts.css

fonts.css

14 ms

builder.js

builder.js

21 ms

effects.js

effects.js

29 ms

dragdrop.js

dragdrop.js

28 ms

controls.js

controls.js

35 ms

slider.js

slider.js

23 ms

sound.js

sound.js

14 ms

analytics.js

analytics.js

30 ms

fly_light_color.png

fly_light_color.png

47 ms

white_janelia_logo.png

white_janelia_logo.png

46 ms

loading.gif

loading.gif

45 ms

e56ecb6d-da41-4bd9-982d-2d295bec9ab0.woff

e56ecb6d-da41-4bd9-982d-2d295bec9ab0.woff

47 ms

70ae52ec-d89b-4c6a-9402-854ebe423c54.woff

70ae52ec-d89b-4c6a-9402-854ebe423c54.woff

47 ms

2fa30669-9bbd-4ced-912f-db94a367ed6c.woff

2fa30669-9bbd-4ced-912f-db94a367ed6c.woff

46 ms

da176885-bee9-49f7-88f0-d7ad9229ddd7.woff

da176885-bee9-49f7-88f0-d7ad9229ddd7.woff

47 ms

d999c07b-a049-4eb5-b8a6-4f36ae25e67e.woff

d999c07b-a049-4eb5-b8a6-4f36ae25e67e.woff

46 ms

collect

collect

26 ms

7b22595f-47e6-4a66-9ec8-20be7208e5a9.woff

7b22595f-47e6-4a66-9ec8-20be7208e5a9.woff

22 ms

7eb31e2e-240a-4b92-b19d-6aae976f4390.woff

7eb31e2e-240a-4b92-b19d-6aae976f4390.woff

21 ms

1526cfaf-4a6e-45af-94a9-eefd7a1316dc.woff

1526cfaf-4a6e-45af-94a9-eefd7a1316dc.woff

23 ms

9c69c878-2255-4027-8632-ed3635cddf45.woff

9c69c878-2255-4027-8632-ed3635cddf45.woff

22 ms

d2a02f92-9826-4117-ae36-8fcfd72ad46e.woff

d2a02f92-9826-4117-ae36-8fcfd72ad46e.woff

22 ms

0c4be1a2-8e16-48b4-a384-165fa5baffe3.woff

0c4be1a2-8e16-48b4-a384-165fa5baffe3.woff

23 ms

953888b2-ac05-4781-acd8-eefab4804344.woff

953888b2-ac05-4781-acd8-eefab4804344.woff

52 ms

46d5674a-f287-4240-b87a-f207aeb83064.woff

46d5674a-f287-4240-b87a-f207aeb83064.woff

50 ms

collect

collect

67 ms

plus.gif

plus.gif

10 ms

Accessibility Review

splitgal4.janelia.org accessibility score

54

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

splitgal4.janelia.org best practices score

75

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

Low

Detected JavaScript libraries

SEO Factors

splitgal4.janelia.org SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Splitgal4.janelia.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Splitgal4.janelia.org main page’s claimed encoding is iso-8859-1. 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

splitgal4.janelia.org

Open Graph description is not detected on the main page of Split GAL4 Janelia. 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: