Tools & Wizards About Us
rchenlaser.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 44

    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

rchenlaser.com

西安瑞琛光电科技有限公司——激光器|激光模组|半导体激光器|红光一字线激光模组 |红外激光模组|固体激光|镭射激光灯|红光一字线定位灯|十字红外线定位灯|红光十字线定位灯|光纤耦合激光器|光纤激光器|镭射激光灯

Page Load Speed

5.2 sec in total

First Response

783 ms

Resources Loaded

4.3 sec

Page Rendered

95 ms

rchenlaser.com screenshot

About Website

Visit rchenlaser.com now to see the best up-to-date Rchenlaser content and also check out these interesting facts you probably never knew about rchenlaser.com

激光器|激光模组|半导体激光器|红光一字线激光模组 |红外激光模组|固体激光|镭射激光灯|红光一字线定位灯|十字红外线定位灯|红光十字线定位灯|光纤耦合激光器|光纤激光器|镭射激光灯

Visit rchenlaser.com

Key Findings

We analyzed Rchenlaser.com page load time and found that the first response time was 783 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

rchenlaser.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

rchenlaser.com

783 ms

stlye.css

244 ms

AC_RunActiveContent.js

499 ms

rc03.jpg

240 ms

rc01.jpg

244 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 97% of them (38 requests) were addressed to the original Rchenlaser.com, 3% (1 request) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Rchenlaser.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.8 kB (52%)

Content Size

100.4 kB

After Optimization

48.7 kB

  • HTML
  • Images

In fact, the total size of Rchenlaser.com main page is 100.4 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. Only 5% of websites need less resources to load. HTML takes 56.9 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 51.8 kB

  • Original 56.9 kB
  • After minification 45.2 kB
  • After compression 5.1 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 11.7 kB, which is 21% 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 51.8 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 43.6 kB
  • After minification 43.6 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. Rchenlaser images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rchenlaser. According to our analytics all requests are already optimized.

Network Requests Diagram

rchenlaser.com

rchenlaser.com

783 ms

stlye.css

stlye.css

244 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

499 ms

rc03.jpg

rc03.jpg

240 ms

rc01.jpg

rc01.jpg

244 ms

rc21.jpg

rc21.jpg

245 ms

rc02.jpg

rc02.jpg

479 ms

rc04.jpg

rc04.jpg

484 ms

rc06.jpg

rc06.jpg

485 ms

rc10.jpg

rc10.jpg

487 ms

hld10.jpg

hld10.jpg

493 ms

13.jpg

13.jpg

500 ms

rc08+.jpg

rc08+.jpg

717 ms

rc09.jpg

rc09.jpg

724 ms

rc11.jpg

rc11.jpg

727 ms

rc14.jpg

rc14.jpg

730 ms

rc16.jpg

rc16.jpg

735 ms

rc15.jpg

rc15.jpg

744 ms

rc17.jpg

rc17.jpg

957 ms

20116221735580666.jpg

20116221735580666.jpg

1241 ms

201162114401027683.jpg

201162114401027683.jpg

975 ms

201162114413471046.jpg

201162114413471046.jpg

976 ms

201162114423787542.jpg

201162114423787542.jpg

982 ms

201162114443741231.jpg

201162114443741231.jpg

989 ms

201162114454477667.jpg

201162114454477667.jpg

1195 ms

20116221674687471.jpg

20116221674687471.jpg

1220 ms

201162214363547040.jpg

201162214363547040.jpg

1222 ms

201162114552490892.jpg

201162114552490892.jpg

1228 ms

201162115482481923.jpg

201162115482481923.jpg

1236 ms

rc18.jpg

rc18.jpg

1434 ms

qq1.jpg

qq1.jpg

1462 ms

meinv2.jpg

meinv2.jpg

1464 ms

meinv4.jpg

meinv4.jpg

1470 ms

ai6.gif

ai6.gif

1478 ms

rc12.jpg

rc12.jpg

1475 ms

qq2.jpg

qq2.jpg

1663 ms

qq4.jpg

qq4.jpg

1693 ms

rc19.jpg

rc19.jpg

1696 ms

h.js

h.js

725 ms

Accessibility Review

rchenlaser.com accessibility score

44

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

rchenlaser.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

rchenlaser.com SEO score

58

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rchenlaser.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 Rchenlaser.com 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

rchenlaser.com

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