Tools & Wizards About Us
tiinoptics.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

tiinoptics.com

Tiin Optics: Optical Component - Lens - Customization

Page Load Speed

9.7 sec in total

First Response

1.8 sec

Resources Loaded

7.2 sec

Page Rendered

763 ms

tiinoptics.com screenshot

About Website

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

Tiin Optics is one of the leading optics suppliers. We design and manufacture optical component and optical lens.

Visit tiinoptics.com

Key Findings

We analyzed Tiinoptics.com page load time and found that the first response time was 1.8 sec and then it took 7.9 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

tiinoptics.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value122.5 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

www.tiinoptics.com

1755 ms

32_en-us.html.Head.js

1234 ms

32_en-us.html.Body.js

1963 ms

pcstyle.css

179 ms

reset.css

183 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Tiinoptics.com, 97% (60 requests) were made to Nwzimg.wezhan.cn. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Nwzimg.wezhan.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.5 MB (31%)

Content Size

53.4 MB

After Optimization

36.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tiinoptics.com main page is 53.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 53.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 196.6 kB

  • Original 221.2 kB
  • After minification 202.1 kB
  • After compression 24.6 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 196.6 kB or 89% of the original size.

Image Optimization

-31%

Potential reduce by 16.3 MB

  • Original 53.0 MB
  • After minification 36.7 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, Tiin Optics needs image optimization as it can save up to 16.3 MB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 15.5 kB

  • Original 130.0 kB
  • After minification 130.0 kB
  • After compression 114.4 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 15.5 kB or 12% of the original size.

CSS Optimization

-29%

Potential reduce by 9.3 kB

  • Original 32.6 kB
  • After minification 27.9 kB
  • After compression 23.2 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. Tiinoptics.com needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (33%)

Requests Now

60

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tiin Optics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.tiinoptics.com

www.tiinoptics.com

1755 ms

32_en-us.html.Head.js

32_en-us.html.Head.js

1234 ms

32_en-us.html.Body.js

32_en-us.html.Body.js

1963 ms

pcstyle.css

pcstyle.css

179 ms

reset.css

reset.css

183 ms

iconfont.css

iconfont.css

185 ms

iconfont.css

iconfont.css

181 ms

iconfont.css

iconfont.css

212 ms

pager.css

pager.css

304 ms

hover-effects.css

hover-effects.css

311 ms

antChain.css

antChain.css

309 ms

32_Pc_en-US.css

32_Pc_en-US.css

1090 ms

jquery-3.6.3.min.js

jquery-3.6.3.min.js

375 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

433 ms

smart.animation.min.js

smart.animation.min.js

439 ms

kino.razor.min.js

kino.razor.min.js

434 ms

common.min.js

common.min.js

515 ms

admin.validator.min.js

admin.validator.min.js

557 ms

jquery.cookie.js

jquery.cookie.js

561 ms

jssor.slider-22.2.16-all.min.js

jssor.slider-22.2.16-all.min.js

589 ms

slideshow.js

slideshow.js

643 ms

jquery.jqueryzoom.js

jquery.jqueryzoom.js

683 ms

13024603.png

13024603.png

143 ms

lz-parallax.min.js

lz-parallax.min.js

150 ms

13273867.jpg

13273867.jpg

140 ms

13157127.jpg

13157127.jpg

804 ms

13156070.jpg

13156070.jpg

202 ms

20270420.jpg

20270420.jpg

291 ms

17280909.png

17280909.png

511 ms

13575282.jpg

13575282.jpg

324 ms

32711131.png

32711131.png

429 ms

13156446.jpg

13156446.jpg

336 ms

13274057.jpg

13274057.jpg

420 ms

13273868.jpg

13273868.jpg

675 ms

13274061.png

13274061.png

473 ms

45807468.png

45807468.png

998 ms

46216092.png

46216092.png

858 ms

45355858.png

45355858.png

1081 ms

43294272.png

43294272.png

1008 ms

32502611.png

32502611.png

1603 ms

41399420.png

41399420.png

1720 ms

30838360.jpg

30838360.jpg

1196 ms

30838361.jpg

30838361.jpg

1144 ms

40361356.png

40361356.png

1741 ms

30623516.jpg

30623516.jpg

1392 ms

13273871.jpg

13273871.jpg

1270 ms

13406714.jpg

13406714.jpg

1326 ms

13438689.png

13438689.png

1403 ms

45356240.png

45356240.png

1871 ms

37759402.jpg

37759402.jpg

1617 ms

25286861.png

25286861.png

1733 ms

20059371.jpg

20059371.jpg

1753 ms

13932348.png

13932348.png

1737 ms

40623180.png

40623180.png

1845 ms

40623179.png

40623179.png

1860 ms

40623181.png

40623181.png

1864 ms

13283474.png

13283474.png

1875 ms

ga_icon.png

ga_icon.png

1879 ms

iconfont.woff

iconfont.woff

1966 ms

Index

Index

310 ms

13272297.jpg

13272297.jpg

466 ms

error.jpg

error.jpg

385 ms

Accessibility Review

tiinoptics.com accessibility score

64

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

Best Practices

tiinoptics.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

tiinoptics.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

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

    N/A

  • Encoding

    UTF-8

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

tiinoptics.com

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