Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

springoptical.com

Fiber Optic Termination Box, Plc Splitter, Fused Fiber Coupler, Fiebr Optic Connector Manufacturers and Factory - Wholesale Suppliers - Spring Optical...

Page Load Speed

3.8 sec in total

First Response

546 ms

Resources Loaded

3 sec

Page Rendered

268 ms

springoptical.com screenshot

About Website

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

We offer high quality and flexible fiber optic termination box, fast connectors,plc splitter, fused fiber coupler, splice closures, drop cables,mtp/mpo cable solutions, fiebr optic connector with effe...

Visit springoptical.com

Key Findings

We analyzed Springoptical.com page load time and found that the first response time was 546 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

springoptical.com performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value3.8 s

85/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.175

69/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

springoptical.com

546 ms

style.css

130 ms

jquery.js

379 ms

Site_Common.js

135 ms

float9773.js

161 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 95% of them (77 requests) were addressed to the original Springoptical.com, 1% (1 request) were made to U.alicdn.com and 1% (1 request) were made to I.alicdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Bao.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 187.9 kB (18%)

Content Size

1.1 MB

After Optimization

877.9 kB

In fact, the total size of Springoptical.com main page is 1.1 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. 25% of websites need less resources to load. Images take 820.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 38.9 kB

  • Original 60.9 kB
  • After minification 58.0 kB
  • After compression 22.0 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 38.9 kB or 64% of the original size.

Image Optimization

-4%

Potential reduce by 30.9 kB

  • Original 820.1 kB
  • After minification 789.2 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. Spring Optical images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 91.9 kB

  • Original 152.0 kB
  • After minification 147.7 kB
  • After compression 60.1 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 91.9 kB or 60% of the original size.

CSS Optimization

-80%

Potential reduce by 26.2 kB

  • Original 32.9 kB
  • After minification 30.8 kB
  • After compression 6.6 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. Springoptical.com needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (41%)

Requests Now

78

After Optimization

46

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spring Optical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

springoptical.com accessibility score

70

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

[id] attributes on active, focusable elements are not unique

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

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

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

springoptical.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

High

Page has valid source maps

SEO Factors

springoptical.com SEO score

93

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 uses legible font sizes

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 Springoptical.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 Springoptical.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 Spring Optical. 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: