Tools & Wizards About Us
luttmanns.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

luttmanns.com

澳门太阳集团0638(中国)官方网站

Page Load Speed

22.9 sec in total

First Response

150 ms

Resources Loaded

22.6 sec

Page Rendered

102 ms

luttmanns.com screenshot

About Website

Click here to check amazing Luttmanns content. Otherwise, check out these important facts you probably never knew about luttmanns.com

澳门太阳集团0638（luttmanns.com）是宜化集团下属的子公司，是中国化工装备协会会员，中国化工装备百强企业，中国化工非标压力容器企业 20 强。公司是从事压力容器设计制造、各类工程施工、调节阀、危化品包装桶等定型产品研发生产的综合性集团公司，是国家特种设备定点设计、制造单位。

Visit luttmanns.com

Key Findings

We analyzed Luttmanns.com page load time and found that the first response time was 150 ms and then it took 22.7 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

luttmanns.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

luttmanns.com

150 ms

www.luttmanns.com

220 ms

jquery.min.js

112 ms

style.css

132 ms

aos.css

139 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 14% of them (13 requests) were addressed to the original Luttmanns.com, 60% (55 requests) were made to Yhhjcc.com and 11% (10 requests) were made to Test.xinxiyidiantong.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Yhhjcc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (7%)

Content Size

20.2 MB

After Optimization

18.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luttmanns.com main page is 20.2 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. 80% 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 20.1 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 3.4 kB

  • Original 4.9 kB
  • After minification 4.8 kB
  • After compression 1.5 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. 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 3.4 kB or 69% of the original size.

Image Optimization

-7%

Potential reduce by 1.5 MB

  • Original 20.1 MB
  • After minification 18.6 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. Luttmanns images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 9.2 kB

  • Original 76.5 kB
  • After minification 75.9 kB
  • After compression 67.3 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 9.2 kB or 12% of the original size.

CSS Optimization

-7%

Potential reduce by 213 B

  • Original 2.9 kB
  • After minification 2.9 kB
  • After compression 2.6 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. Luttmanns.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (14%)

Requests Now

88

After Optimization

76

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luttmanns. 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 as a result speed up the page load time.

Network Requests Diagram

luttmanns.com

luttmanns.com

150 ms

www.luttmanns.com

www.luttmanns.com

220 ms

jquery.min.js

jquery.min.js

112 ms

style.css

style.css

132 ms

aos.css

aos.css

139 ms

style1.css

style1.css

143 ms

common.css

common.css

144 ms

jquery.js

jquery.js

206 ms

jquery.superslide.2.1.1.js

jquery.superslide.2.1.1.js

180 ms

common.js

common.js

214 ms

aos.js

aos.js

168 ms

app.js

app.js

172 ms

sj.js

sj.js

972 ms

fcl.php

fcl.php

977 ms

1-23060G0043T61.jpg

1-23060G0043T61.jpg

5538 ms

push.js

push.js

640 ms

share.js

share.js

817 ms

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1-230629144641323.jpg

1347 ms

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911 ms

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1148 ms

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905 ms

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915 ms

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1332 ms

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1337 ms

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1339 ms

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2664 ms

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3269 ms

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1539 ms

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3380 ms

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3504 ms

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1696 ms

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2383 ms

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3377 ms

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3275 ms

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3593 ms

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3687 ms

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12521 ms

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3988 ms

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4093 ms

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5521 ms

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4313 ms

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4396 ms

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4497 ms

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8770 ms

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6811 ms

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6109 ms

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10361 ms

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6087 ms

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7688 ms

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12037 ms

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6967 ms

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7191 ms

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7402 ms

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7626 ms

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7838 ms

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7824 ms

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8038 ms

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8050 ms

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13119 ms

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10252 ms

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10667 ms

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16103 ms

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12749 ms

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10858 ms

js1.jpg

js1.jpg

12247 ms

js2.jpg

js2.jpg

15575 ms

js3.jpg

js3.jpg

13569 ms

js4.jpg

js4.jpg

13344 ms

js5.jpg

js5.jpg

13368 ms

a9_03.jpg

a9_03.jpg

20457 ms

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1-21120P9443S00.jpg

13558 ms

share_api.js

share_api.js

305 ms

share_view.js

share_view.js

646 ms

style1.css

style1.css

902 ms

jquery.la.min.js

jquery.la.min.js

63 ms

tangram.js

tangram.js

1168 ms

api_base.js

api_base.js

689 ms

view_base.js

view_base.js

639 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

149 ms

tj.js

tj.js

315 ms

collect

collect

897 ms

2.jpg

2.jpg

1746 ms

logo.png

logo.png

936 ms

26_1.jpg

26_1.jpg

912 ms

3_1.jpg

3_1.jpg

683 ms

1_1.jpg

1_1.jpg

924 ms

2_1.jpg

2_1.jpg

917 ms

5_1.jpg

5_1.jpg

1139 ms

9_1.jpg

9_1.jpg

1434 ms

10_1.jpg

10_1.jpg

1392 ms

share_style0_16.css

share_style0_16.css

307 ms

logger.js

logger.js

289 ms

Accessibility Review

luttmanns.com accessibility score

69

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

luttmanns.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

luttmanns.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

Page is blocked from indexing

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

    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 Luttmanns.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 Luttmanns.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

luttmanns.com

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