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longfian.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

longfian.com

Longfian-Oxygen Concentrator Manufacturer for Medical Use

Page Load Speed

7.6 sec in total

First Response

1.5 sec

Resources Loaded

5.9 sec

Page Rendered

211 ms

longfian.com screenshot

About Website

Welcome to longfian.com homepage info - get ready to check Longfian best content for Mexico right away, or after learning these important things about longfian.com

Longfian Longfian, a leading manufacturer,specialized in oxygen solution for 20 years

Visit longfian.com

Key Findings

We analyzed Longfian.com page load time and found that the first response time was 1.5 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

longfian.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.492

17/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

longfian.com

1464 ms

www.longfian.com

1790 ms

www.longfian.com

741 ms

style.css

74 ms

animation.css

142 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 95% of them (53 requests) were addressed to the original Longfian.com, 4% (2 requests) were made to Googletagmanager.com and 2% (1 request) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Longfian.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 112.0 kB (5%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Longfian.com main page is 2.2 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. 35% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.4 kB

  • Original 26.9 kB
  • After minification 23.8 kB
  • After compression 6.5 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 3.1 kB, which is 12% 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 20.4 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 38.2 kB

  • Original 2.0 MB
  • After minification 1.9 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. Longfian images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 32.1 kB

  • Original 145.3 kB
  • After minification 144.9 kB
  • After compression 113.2 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 32.1 kB or 22% of the original size.

CSS Optimization

-60%

Potential reduce by 21.3 kB

  • Original 35.2 kB
  • After minification 33.2 kB
  • After compression 13.9 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. Longfian.com needs all CSS files to be minified and compressed as it can save up to 21.3 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (32%)

Requests Now

53

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Longfian. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

longfian.com

longfian.com

1464 ms

www.longfian.com

www.longfian.com

1790 ms

www.longfian.com

www.longfian.com

741 ms

style.css

style.css

74 ms

animation.css

animation.css

142 ms

owl.carousel.css

owl.carousel.css

192 ms

owl.theme.css

owl.theme.css

193 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

264 ms

jquery.sweet-dropdown.min.js

jquery.sweet-dropdown.min.js

198 ms

jquery.js

jquery.js

274 ms

nav.js

nav.js

204 ms

examples.css

examples.css

257 ms

jquery.sweet-dropdown.min.css

jquery.sweet-dropdown.min.css

258 ms

style.css

style.css

272 ms

custom.js

custom.js

281 ms

banner1.css

banner1.css

322 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

391 ms

banner1.js

banner1.js

326 ms

inc.js

inc.js

330 ms

js

js

49 ms

js

js

102 ms

logo.png

logo.png

139 ms

wapnav.png

wapnav.png

142 ms

sousuo.png

sousuo.png

212 ms

banben.png

banben.png

214 ms

banben01.jpg

banben01.jpg

213 ms

banben02.jpg

banben02.jpg

215 ms

banben03.jpg

banben03.jpg

214 ms

banben04.jpg

banben04.jpg

263 ms

banben05.jpg

banben05.jpg

274 ms

close.png

close.png

275 ms

20209281145337.jpg

20209281145337.jpg

276 ms

20209281143238.jpg

20209281143238.jpg

275 ms

2020928114020.jpg

2020928114020.jpg

276 ms

2020928117283.png

2020928117283.png

328 ms

2020928117337.png

2020928117337.png

338 ms

2020928102870.jpg

2020928102870.jpg

343 ms

lx_01.png

lx_01.png

342 ms

lx_03.png

lx_03.png

343 ms

lx_04.png

lx_04.png

344 ms

lx_05.png

lx_05.png

396 ms

icon_f.png

icon_f.png

404 ms

icon_in.png

icon_in.png

409 ms

icon_you.png

icon_you.png

408 ms

whatsapp.png

whatsapp.png

409 ms

beian.png

beian.png

409 ms

202052982790.jpg

202052982790.jpg

506 ms

20211221731278.jpg

20211221731278.jpg

724 ms

2020529826390.jpg

2020529826390.jpg

536 ms

2020529826518.jpg

2020529826518.jpg

537 ms

footerpage.jpg

footerpage.jpg

284 ms

lx_line.png

lx_line.png

268 ms

1gst6qc1b

1gst6qc1b

202 ms

i.png

i.png

67 ms

dot2.gif

dot2.gif

68 ms

dot1.gif

dot1.gif

67 ms

Accessibility Review

longfian.com accessibility score

40

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

longfian.com 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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

longfian.com SEO score

83

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

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

    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 Longfian.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 Longfian.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

longfian.com

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