Tools & Wizards About Us
tjybfm.cn screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

tjybfm.cn

电动调节阀_气动调节阀_电动套筒调节阀_天津市一标阀门制造有限公司

Page Load Speed

6.8 sec in total

First Response

1.2 sec

Resources Loaded

5.3 sec

Page Rendered

310 ms

tjybfm.cn screenshot

About Website

Click here to check amazing Tjybfm content. Otherwise, check out these important facts you probably never knew about tjybfm.cn

气动调节阀、电动调节阀生产商天津一标阀门，咨询热线13820338668

Visit tjybfm.cn

Key Findings

We analyzed Tjybfm.cn page load time and found that the first response time was 1.2 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tjybfm.cn performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

tjybfm.cn

1219 ms

style.css

424 ms

jquery1.42.min.js

878 ms

jquery.plugs.yys.js

728 ms

yongyisou.js

638 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 83% of them (40 requests) were addressed to the original Tjybfm.cn, 10% (5 requests) were made to Bdimg.share.baidu.com and 2% (1 request) were made to Js.passport.qihucdn.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Tjybfm.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.4 kB (2%)

Content Size

1.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tjybfm.cn main page is 1.4 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 12.4 kB

  • Original 17.2 kB
  • After minification 15.8 kB
  • After compression 4.8 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 12.4 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 11.5 kB

  • Original 1.3 MB
  • After minification 1.3 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. Tjybfm images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 10.1 kB

  • Original 55.0 kB
  • After minification 54.7 kB
  • After compression 44.9 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 10.1 kB or 18% of the original size.

CSS Optimization

-22%

Potential reduce by 1.4 kB

  • Original 6.1 kB
  • After minification 6.1 kB
  • After compression 4.7 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. Tjybfm.cn needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (19%)

Requests Now

47

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tjybfm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tjybfm.cn

tjybfm.cn

1219 ms

style.css

style.css

424 ms

jquery1.42.min.js

jquery1.42.min.js

878 ms

jquery.plugs.yys.js

jquery.plugs.yys.js

728 ms

yongyisou.js

yongyisou.js

638 ms

main.js

main.js

670 ms

ca_title.png

ca_title.png

1360 ms

logo.jpg

logo.jpg

215 ms

logo1.jpg

logo1.jpg

706 ms

grey.gif

grey.gif

218 ms

banner2.jpg

banner2.jpg

2697 ms

banner3.jpg

banner3.jpg

2080 ms

search_03.jpg

search_03.jpg

236 ms

p_title.jpg

p_title.jpg

639 ms

thumb_2016031456439605.jpg

thumb_2016031456439605.jpg

443 ms

thumb_2021022375543721.jpg

thumb_2021022375543721.jpg

738 ms

thumb_2021022375469081.jpg

thumb_2021022375469081.jpg

877 ms

thumb_2021022375336137.jpg

thumb_2021022375336137.jpg

855 ms

p_More.jpg

p_More.jpg

1043 ms

bg.jpg

bg.jpg

990 ms

C_title.png

C_title.png

1067 ms

companyBG.jpg

companyBG.jpg

1095 ms

companyP.jpg

companyP.jpg

1460 ms

bg2.jpg

bg2.jpg

1334 ms

n_title.png

n_title.png

1281 ms

newsP.jpg

newsP.jpg

1313 ms

bg3.jpg

bg3.jpg

1495 ms

thumb_2018050470292977.jpg

thumb_2018050470292977.jpg

1529 ms

thumb_2018050471091593.jpg

thumb_2018050471091593.jpg

1926 ms

thumb_2018050471139081.jpg

thumb_2018050471139081.jpg

1680 ms

thumb_2018050471161217.jpg

thumb_2018050471161217.jpg

1709 ms

jiaodian.jpg

jiaodian.jpg

1746 ms

QEicon_03.jpg

QEicon_03.jpg

1896 ms

ewm.jpg

ewm.jpg

1923 ms

11.0.1.js

11.0.1.js

860 ms

ab77b6ea7f3fbf79.js

ab77b6ea7f3fbf79.js

239 ms

bg4.jpg

bg4.jpg

907 ms

icon.jpg

icon.jpg

1003 ms

ico_fix.png

ico_fix.png

1039 ms

onlinebg.jpg

onlinebg.jpg

1115 ms

btn_qqo.png

btn_qqo.png

1124 ms

shell_v2.js

shell_v2.js

703 ms

push.js

push.js

1506 ms

banner1.jpg

banner1.jpg

1386 ms

logger.js

logger.js

280 ms

bds_s_v2.js

bds_s_v2.js

497 ms

bdsstyle.css

bdsstyle.css

222 ms

l6.gif

l6.gif

300 ms

Accessibility Review

tjybfm.cn accessibility score

41

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

tjybfm.cn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tjybfm.cn SEO score

58

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tjybfm.cn 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 Tjybfm.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

tjybfm.cn

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