Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

teijincarbon.com

Home: Teijin Carbon

Page Load Speed

3.7 sec in total

First Response

227 ms

Resources Loaded

2.9 sec

Page Rendered

629 ms

teijincarbon.com screenshot

About Website

Welcome to teijincarbon.com homepage info - get ready to check Teijin Carbon best content right away, or after learning these important things about teijincarbon.com

Visit teijincarbon.com

Key Findings

We analyzed Teijincarbon.com page load time and found that the first response time was 227 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

teijincarbon.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

teijincarbon.com

227 ms

teijincarbon.com

403 ms

www.teijincarbon.com

532 ms

head-b1865b72e311291dc063c0548f64b48e.merged.gz.css

199 ms

worldmap.js

341 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 97% of them (62 requests) were addressed to the original Teijincarbon.com, 3% (2 requests) were made to Matomo.teijincarbon.com. The less responsive or slowest element that took the longest time to load (850 ms) belongs to the original domain Teijincarbon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.4 kB (7%)

Content Size

2.5 MB

After Optimization

2.3 MB

In fact, the total size of Teijincarbon.com main page is 2.5 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. 65% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 131.2 kB

  • Original 148.3 kB
  • After minification 103.9 kB
  • After compression 17.0 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. This page needs HTML code to be minified as it can gain 44.4 kB, which is 30% 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 131.2 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 13.7 kB

  • Original 2.3 MB
  • After minification 2.3 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. Teijin Carbon images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 44.4 kB

  • Original 65.8 kB
  • After minification 65.8 kB
  • After compression 21.4 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 44.4 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (55%)

Requests Now

55

After Optimization

25

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teijin Carbon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

teijincarbon.com accessibility score

94

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

Heading elements are not in a sequentially-descending order

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

Best Practices

teijincarbon.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

teijincarbon.com SEO score

70

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

High

Document doesn't have a valid hreflang

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

High

Tap targets are not sized appropriately

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 Teijincarbon.com 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 Teijincarbon.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 Teijin Carbon. 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: