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oqtans.org screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

oqtans.org

Oqtans: Online Quantitative Transcriptome Analysis — Raetsch-Lab

Page Load Speed

9 sec in total

First Response

19 ms

Resources Loaded

8.8 sec

Page Rendered

163 ms

oqtans.org screenshot

About Website

Welcome to oqtans.org homepage info - get ready to check Oqtans best content right away, or after learning these important things about oqtans.org

The current revolution in sequencing technologies allows us to obtain a much more detailed picture of transcriptomes via RNA-Sequencing. We have developed the first integrative online platform, Oqtans...

Visit oqtans.org

Key Findings

We analyzed Oqtans.org page load time and found that the first response time was 19 ms and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

oqtans.org performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

oqtans.org

19 ms

2001 ms

analytics.js

295 ms

bundle-playback.js

378 ms

wombat.js

516 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Oqtans.org, 52% (14 requests) were made to Web.archive.org and 37% (10 requests) were made to Web-static.archive.org. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Web.archive.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.9 kB (43%)

Content Size

218.4 kB

After Optimization

124.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Oqtans.org main page is 218.4 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. Images take 125.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 30.2 kB

  • Original 39.9 kB
  • After minification 34.3 kB
  • After compression 9.6 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. This page needs HTML code to be minified as it can gain 5.5 kB, which is 14% 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 30.2 kB or 76% of the original size.

Image Optimization

-24%

Potential reduce by 30.4 kB

  • Original 125.5 kB
  • After minification 95.2 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, Oqtans needs image optimization as it can save up to 30.4 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 33.3 kB

  • Original 53.0 kB
  • After minification 53.0 kB
  • After compression 19.7 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 33.3 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (65%)

Requests Now

23

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oqtans. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

oqtans.org

oqtans.org

19 ms

2001 ms

analytics.js

analytics.js

295 ms

bundle-playback.js

bundle-playback.js

378 ms

wombat.js

wombat.js

516 ms

ruffle.js

ruffle.js

1343 ms

banner-styles.css

banner-styles.css

313 ms

iconochive.css

iconochive.css

315 ms

event-registration-cachekey8896.js

event-registration-cachekey8896.js

1731 ms

merkins_style_mods.css

merkins_style_mods.css

1264 ms

style.css

style.css

1149 ms

record.css

record.css

77 ms

facultyStaffDirectory-cachekey7248.css

facultyStaffDirectory-cachekey7248.css

972 ms

base-cachekey0584.css

base-cachekey0584.css

750 ms

wayback-toolbar-logo-200.png

wayback-toolbar-logo-200.png

71 ms

wm_tb_prv_on.png

wm_tb_prv_on.png

70 ms

wm_tb_nxt_on.png

wm_tb_nxt_on.png

71 ms

loading.gif

loading.gif

70 ms

0.gif

0.gif

306 ms

button_search.png

button_search.png

1169 ms

oqtans-comp.png

oqtans-comp.png

962 ms

oqtans-pipeline.jpeg

oqtans-pipeline.jpeg

1085 ms

bullet.gif

bullet.gif

866 ms

input_background.gif

input_background.gif

1236 ms

lock_icon.gif

lock_icon.gif

1021 ms

spinner.gif

spinner.gif

1476 ms

ga.js

ga.js

2612 ms

Accessibility Review

oqtans.org accessibility score

67

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

Heading elements are not in a sequentially-descending order

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

oqtans.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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

oqtans.org SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

oqtans.org

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