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tncoptics.com screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% 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

  • 67

    SEO

    Google-friendlier than
    26% of websites

tncoptics.com

Prism, Fresnel, Freeform, Parabolic, Optics, Lens & More

Page Load Speed

22.9 sec in total

First Response

967 ms

Resources Loaded

21.9 sec

Page Rendered

123 ms

tncoptics.com screenshot

About Website

Welcome to tncoptics.com homepage info - get ready to check Tnc Optics best content right away, or after learning these important things about tncoptics.com

We are equipped with capabilities that allow us to take on a wide range of products such as Prism, Fresnel, Freeform, Parabolic, Optics, Lens & More.

Visit tncoptics.com

Key Findings

We analyzed Tncoptics.com page load time and found that the first response time was 967 ms and then it took 22 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tncoptics.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

tncoptics.com

967 ms

jquery-1.2.2.pack.js

695 ms

facebox.css

471 ms

facebox.js

471 ms

style.css

474 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Tncoptics.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Adobe.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.9 kB (17%)

Content Size

337.0 kB

After Optimization

278.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tncoptics.com main page is 337.0 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 237.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 13.3 kB

  • Original 17.8 kB
  • After minification 14.9 kB
  • After compression 4.5 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. This page needs HTML code to be minified as it can gain 2.9 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 13.3 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 2.2 kB

  • Original 237.3 kB
  • After minification 235.1 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. Tnc Optics images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 38.9 kB

  • Original 76.1 kB
  • After minification 64.0 kB
  • After compression 37.2 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 38.9 kB or 51% of the original size.

CSS Optimization

-78%

Potential reduce by 4.5 kB

  • Original 5.8 kB
  • After minification 4.5 kB
  • After compression 1.3 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. Tncoptics.com needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (30%)

Requests Now

43

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tnc 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tncoptics.com

tncoptics.com

967 ms

jquery-1.2.2.pack.js

jquery-1.2.2.pack.js

695 ms

facebox.css

facebox.css

471 ms

facebox.js

facebox.js

471 ms

style.css

style.css

474 ms

swfobject.js

swfobject.js

716 ms

side_bg_top.jpg

side_bg_top.jpg

477 ms

logo.png

logo.png

470 ms

navi_bg.jpg

navi_bg.jpg

236 ms

home_on.jpg

home_on.jpg

233 ms

about_off.jpg

about_off.jpg

240 ms

capabilities_off.jpg

capabilities_off.jpg

237 ms

products_off.jpg

products_off.jpg

464 ms

customer_off.jpg

customer_off.jpg

471 ms

contact_off.jpg

contact_off.jpg

472 ms

optics.png

optics.png

957 ms

medical.png

medical.png

928 ms

eletronic.png

eletronic.png

938 ms

right_light.jpg

right_light.jpg

705 ms

pic1.jpg

pic1.jpg

706 ms

pic2.jpg

pic2.jpg

714 ms

pic3.jpg

pic3.jpg

940 ms

btn_readmore.jpg

btn_readmore.jpg

941 ms

right_col.jpg

right_col.jpg

953 ms

bg_side_long1.jpg

bg_side_long1.jpg

1150 ms

left_light.jpg

left_light.jpg

1158 ms

lef_col.jpg

lef_col.jpg

1160 ms

cen_col.jpg

cen_col.jpg

1162 ms

ga.js

ga.js

9 ms

undefined

undefined

1162 ms

closelabel.gif

closelabel.gif

1164 ms

loading.gif

loading.gif

1371 ms

b.png

b.png

1377 ms

bl.png

bl.png

1378 ms

br.png

br.png

1379 ms

tl.png

tl.png

1398 ms

tr.png

tr.png

1402 ms

get_flash_player.gif

get_flash_player.gif

19693 ms

__utm.gif

__utm.gif

12 ms

about_on.jpg

about_on.jpg

463 ms

capabilities_on.jpg

capabilities_on.jpg

471 ms

products_on.jpg

products_on.jpg

475 ms

customer_on.jpg

customer_on.jpg

478 ms

contact_on.jpg

contact_on.jpg

479 ms

btn_readmore_on.jpg

btn_readmore_on.jpg

494 ms

btn_click_details_on.jpg

btn_click_details_on.jpg

692 ms

Accessibility Review

tncoptics.com accessibility score

66

Accessibility Issues

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

tncoptics.com 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

SEO Factors

tncoptics.com SEO score

67

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

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 Tncoptics.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 Tncoptics.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

tncoptics.com

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