Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

bioptic.com.tw

BiOptic Inc.

Page Load Speed

8.3 sec in total

First Response

1.2 sec

Resources Loaded

6.6 sec

Page Rendered

504 ms

bioptic.com.tw screenshot

About Website

Click here to check amazing Bi Optic content. Otherwise, check out these important facts you probably never knew about bioptic.com.tw

BiOptic Inc. is a biotechnology instrumentation company that develops innovative scientific products for research and clinical applications. The company was founded in 2004, with a vision of establish...

Visit bioptic.com.tw

Key Findings

We analyzed Bioptic.com.tw page load time and found that the first response time was 1.2 sec and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bioptic.com.tw performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value23.7 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.691

7/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

bioptic.com.tw

1217 ms

default.css

1229 ms

skin.css

1001 ms

container.css

476 ms

portal.css

509 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 79% of them (38 requests) were addressed to the original Bioptic.com.tw, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Bioptic.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (40%)

Content Size

2.8 MB

After Optimization

1.7 MB

In fact, the total size of Bioptic.com.tw main page is 2.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 40.4 kB

  • Original 54.4 kB
  • After minification 51.2 kB
  • After compression 14.0 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 40.4 kB or 74% of the original size.

Image Optimization

-15%

Potential reduce by 250.7 kB

  • Original 1.6 MB
  • After minification 1.4 MB

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, Bi Optic needs image optimization as it can save up to 250.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 509.7 kB

  • Original 729.4 kB
  • After minification 702.2 kB
  • After compression 219.8 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 509.7 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 320.7 kB

  • Original 378.0 kB
  • After minification 325.1 kB
  • After compression 57.3 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. Bioptic.com.tw needs all CSS files to be minified and compressed as it can save up to 320.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (31%)

Requests Now

45

After Optimization

31

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bi Optic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bioptic.com.tw accessibility score

66

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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.

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

bioptic.com.tw 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bioptic.com.tw SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 uses legible font sizes

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 Bioptic.com.tw 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 Bioptic.com.tw 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 Bi Optic. 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: