Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

uswest.ensembl.org

Ensembl genome browser 111

Page Load Speed

697 ms in total

First Response

161 ms

Resources Loaded

470 ms

Page Rendered

66 ms

About Website

Visit uswest.ensembl.org now to see the best up-to-date Uswest Ensembl content for China and also check out these interesting facts you probably never knew about uswest.ensembl.org

Visit uswest.ensembl.org

Key Findings

We analyzed Uswest.ensembl.org page load time and found that the first response time was 161 ms and then it took 536 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

uswest.ensembl.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

uswest.ensembl.org

161 ms

e-ensembl.png

194 ms

exclamation_alert.png

309 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 33% of them (1 request) were addressed to the original Uswest.ensembl.org, 67% (2 requests) were made to Status.ensembl.org. The less responsive or slowest element that took the longest time to load (309 ms) relates to the external source Status.ensembl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 kB (33%)

Content Size

4.0 kB

After Optimization

2.7 kB

  • HTML
  • Images

In fact, the total size of Uswest.ensembl.org main page is 4.0 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. HTML takes 2.2 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 1.3 kB

  • Original 2.2 kB
  • After minification 2.1 kB
  • After compression 900 B

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 1.3 kB or 59% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.8 kB
  • After minification 1.8 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. Uswest Ensembl images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uswest Ensembl. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

uswest.ensembl.org accessibility score

72

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

uswest.ensembl.org 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

uswest.ensembl.org SEO score

58

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

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 Uswest.ensembl.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 Uswest.ensembl.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

Open Graph description is not detected on the main page of Uswest Ensembl. 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: