Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rhdrive.com

单效双效三效MVR废水蒸发器_蒸发结晶器设备_电镀浓液化工制药废水蒸发器_瑞之泰机械科技(江苏)有限公司

Page Load Speed

26.1 sec in total

First Response

2.1 sec

Resources Loaded

23.5 sec

Page Rendered

465 ms

rhdrive.com screenshot

About Website

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

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Visit rhdrive.com

Key Findings

We analyzed Rhdrive.com page load time and found that the first response time was 2.1 sec and then it took 24 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 were 15 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

rhdrive.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

rhdrive.com

2104 ms

top.css

664 ms

main.css

916 ms

mm.css

461 ms

jquery-1.8.3.min.js

1654 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Rhdrive.com and no external sources were called. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Rhdrive.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 375.3 kB (10%)

Content Size

3.6 MB

After Optimization

3.3 MB

In fact, the total size of Rhdrive.com main page is 3.6 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. 15% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 18.4 kB

  • Original 24.3 kB
  • After minification 21.4 kB
  • After compression 5.8 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. This page needs HTML code to be minified as it can gain 2.8 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 18.4 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 224.8 kB

  • Original 3.4 MB
  • After minification 3.2 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. Rhdrive images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 82.5 kB

  • Original 128.7 kB
  • After minification 128.5 kB
  • After compression 46.2 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 82.5 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 49.6 kB

  • Original 59.1 kB
  • After minification 51.2 kB
  • After compression 9.6 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. Rhdrive.com needs all CSS files to be minified and compressed as it can save up to 49.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (33%)

Requests Now

33

After Optimization

22

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rhdrive. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rhdrive.com accessibility score

42

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rhdrive.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

SEO Factors

rhdrive.com SEO score

90

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

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

High

Tap targets are not sized appropriately

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 Rhdrive.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 Rhdrive.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

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