Tools & Wizards About Us
tf166.com screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 50

    SEO

    Google-friendlier than
    19% of websites

tf166.com

福建新峰科技股份有限公司 - 精密五金零配件和非球面光学玻璃镜片生产加工服务商

Page Load Speed

5.2 sec in total

First Response

1.3 sec

Resources Loaded

3.7 sec

Page Rendered

171 ms

tf166.com screenshot

About Website

Welcome to tf166.com homepage info - get ready to check Tf 166 best content right away, or after learning these important things about tf166.com

公司致力于各种精密五金零配件以及非球面光学玻璃镜片的批量加工生产，聚焦智能汽车、智能手机摄像头等高精度、高附加值领域。

Visit tf166.com

Key Findings

We analyzed Tf166.com page load time and found that the first response time was 1.3 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

tf166.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

tf166.com

1262 ms

style.css

433 ms

main.js

428 ms

ghs.png

223 ms

index_01.jpg

225 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 96% of them (27 requests) were addressed to the original Tf166.com, 4% (1 request) were made to Beian.gov.cn. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Tf166.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.7 kB (2%)

Content Size

862.7 kB

After Optimization

842.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tf166.com main page is 862.7 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. 15% of websites need less resources to load. Images take 836.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 17.7 kB

  • Original 21.7 kB
  • After minification 18.6 kB
  • After compression 4.0 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 3.1 kB, which is 14% 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 17.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 260 B

  • Original 836.9 kB
  • After minification 836.6 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. Tf 166 images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 1.5 kB

  • Original 2.3 kB
  • After minification 1.8 kB
  • After compression 806 B

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 1.5 kB or 64% of the original size.

CSS Optimization

-68%

Potential reduce by 1.3 kB

  • Original 1.9 kB
  • After minification 1.6 kB
  • After compression 589 B

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. Tf166.com needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 68% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tf 166. According to our analytics all requests are already optimized.

Network Requests Diagram

tf166.com

tf166.com

1262 ms

style.css

style.css

433 ms

main.js

main.js

428 ms

ghs.png

ghs.png

223 ms

index_01.jpg

index_01.jpg

225 ms

index_02.jpg

index_02.jpg

1864 ms

index_03.jpg

index_03.jpg

268 ms

index_05.jpg

index_05.jpg

458 ms

index_06.jpg

index_06.jpg

442 ms

index_04.jpg

index_04.jpg

476 ms

index_07.jpg

index_07.jpg

519 ms

index_09.jpg

index_09.jpg

564 ms

index_18.jpg

index_18.jpg

926 ms

index_19.jpg

index_19.jpg

723 ms

index_11.jpg

index_11.jpg

1006 ms

index_12.jpg

index_12.jpg

816 ms

index_16.jpg

index_16.jpg

892 ms

2022.11.26-19.jpg

2022.11.26-19.jpg

1941 ms

2022.11.26-18.jpg

2022.11.26-18.jpg

1768 ms

2022.11.26-17.jpg

2022.11.26-17.jpg

1860 ms

2022.11.26-16.jpg

2022.11.26-16.jpg

1941 ms

2022.11.26-15.jpg

2022.11.26-15.jpg

1943 ms

2022.11.26-14.jpg

2022.11.26-14.jpg

2113 ms

index_08.jpg

index_08.jpg

2097 ms

index_10.jpg

index_10.jpg

2099 ms

index_20.jpg

index_20.jpg

2222 ms

index_13.jpg

index_13.jpg

2223 ms

index_17.jpg

index_17.jpg

2151 ms

Accessibility Review

tf166.com accessibility score

54

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

High

<object> elements do not have alternate text

Best Practices

tf166.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

tf166.com SEO score

50

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tf166.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Tf166.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

tf166.com

Open Graph description is not detected on the main page of Tf 166. 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: