Tools & Wizards About Us

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

nanabio.com

Nanabio.com is for sale - PerfectDomain.com

Page Load Speed

2.5 sec in total

First Response

379 ms

Resources Loaded

1.6 sec

Page Rendered

589 ms

About Website

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Key Findings

We analyzed Nanabio.com page load time and found that the first response time was 379 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nanabio.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

nanabio.com

379 ms

www.nanabio.com

349 ms

style.css

90 ms

config

175 ms

jquery.js

396 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 74% of them (29 requests) were addressed to the original Nanabio.com, 8% (3 requests) were made to Robothumb.com and 8% (3 requests) were made to Snoopy.robothumb.com. The less responsive or slowest element that took the longest time to load (396 ms) belongs to the original domain Nanabio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.3 kB (37%)

Content Size

337.6 kB

After Optimization

212.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nanabio.com main page is 337.6 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. Images take 150.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 15.3 kB

  • Original 20.7 kB
  • After minification 20.6 kB
  • After compression 5.3 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 15.3 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 916 B

  • Original 150.0 kB
  • After minification 149.1 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. Nanabio images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 74.1 kB

  • Original 126.8 kB
  • After minification 114.6 kB
  • After compression 52.7 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 74.1 kB or 58% of the original size.

CSS Optimization

-87%

Potential reduce by 34.9 kB

  • Original 40.1 kB
  • After minification 33.1 kB
  • After compression 5.2 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. Nanabio.com needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (12%)

Requests Now

34

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nanabio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nanabio.com accessibility score

78

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nanabio.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nanabio.com SEO score

85

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nanabio.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Nanabio.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

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