Tools & Wizards About Us
cellbiol.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

cellbiol.com

Cell and Molecular Biology and Bioinformatics News, Tools, Books, Resources and Web Development

Page Load Speed

2.2 sec in total

First Response

228 ms

Resources Loaded

1.8 sec

Page Rendered

119 ms

cellbiol.com screenshot

About Website

Visit cellbiol.com now to see the best up-to-date Cell Biol content for India and also check out these interesting facts you probably never knew about cellbiol.com

Resources, tools, news, applications and development of web applications for molecular and cell biology and bioinformatics

Visit cellbiol.com

Key Findings

We analyzed Cellbiol.com page load time and found that the first response time was 228 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

cellbiol.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value2,800 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

cellbiol.com

228 ms

jquery-ui.css

10 ms

bioweb.css

1000 ms

jquery.min.js

11 ms

jquery-ui.js

13 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 75% of them (21 requests) were addressed to the original Cellbiol.com, 14% (4 requests) were made to Code.jquery.com and 7% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Cellbiol.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.8 kB (23%)

Content Size

611.2 kB

After Optimization

473.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cellbiol.com main page is 611.2 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. 40% of websites need less resources to load. Javascripts take 333.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 48.2 kB

  • Original 59.1 kB
  • After minification 52.1 kB
  • After compression 10.9 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. This page needs HTML code to be minified as it can gain 7.0 kB, which is 12% 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 48.2 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 26.1 kB

  • Original 209.5 kB
  • After minification 183.4 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, Cell Biol needs image optimization as it can save up to 26.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-18%

Potential reduce by 61.1 kB

  • Original 333.7 kB
  • After minification 333.7 kB
  • After compression 272.6 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 61.1 kB or 18% of the original size.

CSS Optimization

-27%

Potential reduce by 2.4 kB

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 6.4 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. Cellbiol.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (24%)

Requests Now

25

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cell Biol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cellbiol.com

cellbiol.com

228 ms

jquery-ui.css

jquery-ui.css

10 ms

bioweb.css

bioweb.css

1000 ms

jquery.min.js

jquery.min.js

11 ms

jquery-ui.js

jquery-ui.js

13 ms

bioweb.js

bioweb.js

1041 ms

jquery.pajinate.min.js

jquery.pajinate.min.js

1044 ms

cookiechoices.js

cookiechoices.js

65 ms

adsbygoogle.js

adsbygoogle.js

90 ms

bioweb_logo_green-red_1024.png

bioweb_logo_green-red_1024.png

184 ms

justbiobanner_h50.png

justbiobanner_h50.png

178 ms

learn_web_development_banner.png

learn_web_development_banner.png

178 ms

green_pix.png

green_pix.png

126 ms

wdevco_logo_small.png

wdevco_logo_small.png

124 ms

contact.png

contact.png

292 ms

vcss

vcss

108 ms

valid-html401

valid-html401

107 ms

webaward2003a.jpg

webaward2003a.jpg

124 ms

tux_w50.png

tux_w50.png

122 ms

php_logo.png

php_logo.png

121 ms

python_logo_sm.png

python_logo_sm.png

127 ms

jquery_logo_sm.png

jquery_logo_sm.png

130 ms

o_apache-logo.jpeg

o_apache-logo.jpeg

187 ms

Ruby_logo-50x50.png

Ruby_logo-50x50.png

181 ms

apple_logo.jpg

apple_logo.jpg

185 ms

show_ads_impl.js

show_ads_impl.js

417 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

24 ms

ui-icons_222222_256x240.png

ui-icons_222222_256x240.png

6 ms

Accessibility Review

cellbiol.com accessibility score

82

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.

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

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

cellbiol.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cellbiol.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

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

cellbiol.com

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