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opto.com.sg screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

opto.com.sg

Precision Optics Manufacturer & Supplier - Opto Precision

Page Load Speed

8.5 sec in total

First Response

838 ms

Resources Loaded

7.6 sec

Page Rendered

117 ms

opto.com.sg screenshot

About Website

Visit opto.com.sg now to see the best up-to-date Opto content and also check out these interesting facts you probably never knew about opto.com.sg

Opto Precision is one of the leading manufacturer & supplier of Optics Precision products, wearable displays & specialize in Polymer Optics.

Visit opto.com.sg

Key Findings

We analyzed Opto.com.sg page load time and found that the first response time was 838 ms and then it took 7.7 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

opto.com.sg performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

opto.com.sg

838 ms

www.opto.com.sg

1695 ms

analytics.js

30 ms

wp-emoji-release.min.js

445 ms

gtranslate-style24.css

681 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 53% of them (24 requests) were addressed to the original Opto.com.sg, 13% (6 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Opto.com.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.6 kB (34%)

Content Size

495.6 kB

After Optimization

326.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opto.com.sg main page is 495.6 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. 40% of websites need less resources to load. CSS take 173.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 56.3 kB

  • Original 69.2 kB
  • After minification 65.4 kB
  • After compression 12.9 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. 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 56.3 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 8.1 kB

  • Original 156.0 kB
  • After minification 147.9 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. Opto images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 11.2 kB

  • Original 97.2 kB
  • After minification 97.2 kB
  • After compression 86.0 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 11.2 kB or 12% of the original size.

CSS Optimization

-54%

Potential reduce by 94.0 kB

  • Original 173.2 kB
  • After minification 170.8 kB
  • After compression 79.2 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. Opto.com.sg needs all CSS files to be minified and compressed as it can save up to 94.0 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (56%)

Requests Now

34

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opto. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

opto.com.sg

opto.com.sg

838 ms

www.opto.com.sg

www.opto.com.sg

1695 ms

analytics.js

analytics.js

30 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

445 ms

gtranslate-style24.css

gtranslate-style24.css

681 ms

js

js

70 ms

collect

collect

13 ms

collect

collect

25 ms

js

js

63 ms

ga-audiences

ga-audiences

40 ms

styles.css

styles.css

1187 ms

font-awesome.css

font-awesome.css

29 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

936 ms

bootstrap.min.js

bootstrap.min.js

683 ms

plugin.js

plugin.js

710 ms

main.js

main.js

875 ms

element.js

element.js

66 ms

admin_icon.css

admin_icon.css

1263 ms

style.min.css

style.min.css

1138 ms

styles.css

styles.css

946 ms

css

css

32 ms

style.css

style.css

1167 ms

frontend.min.js

frontend.min.js

1261 ms

wp-embed.min.js

wp-embed.min.js

1418 ms

collect

collect

17 ms

logo.png

logo.png

934 ms

Firstslide1-1.jpg

Firstslide1-1.jpg

1028 ms

Slider2.jpg

Slider2.jpg

1355 ms

Slider3-1.jpg

Slider3-1.jpg

1112 ms

collect

collect

10 ms

ga-audiences

ga-audiences

14 ms

css

css

22 ms

css

css

34 ms

en.png

en.png

419 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

28 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

32 ms

LDI2apCSOBg7S-QT7pa8FvOreeI.ttf

LDI2apCSOBg7S-QT7pa8FvOreeI.ttf

36 ms

LDI2apCSOBg7S-QT7pb0EPOreeI.ttf

LDI2apCSOBg7S-QT7pb0EPOreeI.ttf

40 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

22 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

626 ms

left.png

left.png

239 ms

right.png

right.png

288 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

4 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWVAexQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWVAexQ.ttf

6 ms

flexslider-icon.woff

flexslider-icon.woff

234 ms

Accessibility Review

opto.com.sg accessibility score

89

Accessibility Issues

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

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>).

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

opto.com.sg 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

opto.com.sg SEO score

93

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

Image elements do not have [alt] attributes

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 Opto.com.sg 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 Opto.com.sg 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

opto.com.sg

Open Graph data is detected on the main page of Opto. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: