Tools & Wizards About Us
iot-rf.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

iot-rf.com

Professional RF Module Supplier and One-stop IOT Solution Provider! - DREAMLNK

Page Load Speed

4 sec in total

First Response

312 ms

Resources Loaded

3.5 sec

Page Rendered

197 ms

iot-rf.com screenshot

About Website

Welcome to iot-rf.com homepage info - get ready to check IOT RF best content right away, or after learning these important things about iot-rf.com

DreamLNK is a professional RF Module supplier, who is specialized in IOT products for years, with many products CE, FCC, ROHS, and RTTE certified! Product range covers not only 433MHz RF modules, 2.4G...

Visit iot-rf.com

Key Findings

We analyzed Iot-rf.com page load time and found that the first response time was 312 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

iot-rf.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.585

11/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

www.iot-rf.com

312 ms

graphic.css

56 ms

advancedSlider.css

54 ms

langBar.css

52 ms

lmkqKBroopSRrioropSRriqmomlmSRkiiqpljqSRrjkjjimrniklplSRqijrripqpjrrRrrSSRZjnAojqkjjm.css

64 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Iot-rf.com, 80% (63 requests) were made to Iprorwxhriorop5q.ldycdn.com and 10% (8 requests) were made to Jmrorwxhriorop5q.ldycdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Zz.bdstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 272.0 kB (5%)

Content Size

5.3 MB

After Optimization

5.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Iot-rf.com main page is 5.3 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. 70% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 271.3 kB

  • Original 321.5 kB
  • After minification 321.5 kB
  • After compression 50.2 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 271.3 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 647 B

  • Original 5.0 MB
  • After minification 5.0 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. IOT RF images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 18 B

  • Original 261 B
  • After minification 261 B
  • After compression 243 B

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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 6 (8%)

Requests Now

78

After Optimization

72

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IOT RF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.iot-rf.com

www.iot-rf.com

312 ms

graphic.css

graphic.css

56 ms

advancedSlider.css

advancedSlider.css

54 ms

langBar.css

langBar.css

52 ms

lmkqKBroopSRrioropSRriqmomlmSRkiiqpljqSRrjkjjimrniklplSRqijrripqpjrrRrrSSRZjnAojqkjjm.css

lmkqKBroopSRrioropSRriqmomlmSRkiiqpljqSRrjkjjimrniklplSRqijrripqpjrrRrrSSRZjnAojqkjjm.css

64 ms

jquery-1.11.0.concat.js

jquery-1.11.0.concat.js

69 ms

phoenix_il8n_EN_US.js

phoenix_il8n_EN_US.js

123 ms

style08.js

style08.js

128 ms

lazyloading.png

lazyloading.png

66 ms

news.jpg

news.jpg

218 ms

lazyloading.png

lazyloading.png

103 ms

DreamLNK-logo.jpg

DreamLNK-logo.jpg

51 ms

daohangtiao11.jpg

daohangtiao11.jpg

52 ms

daohangtiao3.jpg

daohangtiao3.jpg

68 ms

daohangtiao2.jpg

daohangtiao2.jpg

66 ms

daohangtiao.jpg

daohangtiao.jpg

70 ms

c1.jpg

c1.jpg

72 ms

FSK1.jpg

FSK1.jpg

68 ms

211.jpg

211.jpg

67 ms

ask1.jpg

ask1.jpg

83 ms

BLE1.jpg

BLE1.jpg

84 ms

lora1.jpg

lora1.jpg

88 ms

daohangtiaopeitu.jpg

daohangtiaopeitu.jpg

89 ms

ANT2.jpg

ANT2.jpg

82 ms

re11.jpg

re11.jpg

94 ms

dp1.jpg

dp1.jpg

100 ms

h1.jpg

h1.jpg

97 ms

f1.jpg

f1.jpg

99 ms

s.jpg

s.jpg

104 ms

demo.jpg

demo.jpg

114 ms

smart-life-door-sentor2.jpg

smart-life-door-sentor2.jpg

120 ms

smart-life-pir-sentor1.jpg

smart-life-pir-sentor1.jpg

115 ms

smart-life-smoke1.jpg

smart-life-smoke1.jpg

114 ms

shuijindaohangnew.jpg

shuijindaohangnew.jpg

130 ms

DoorBell-new.jpg

DoorBell-new.jpg

117 ms

remote-control.jpg

remote-control.jpg

132 ms

4.jpg

4.jpg

134 ms

1.jpg

1.jpg

136 ms

5.jpg

5.jpg

136 ms

3.jpg

3.jpg

155 ms

daohangtiaolora.jpg

daohangtiaolora.jpg

142 ms

daohangkeshimenling.jpg

daohangkeshimenling.jpg

152 ms

daohang1.jpg

daohang1.jpg

173 ms

PCBAanli.jpg

PCBAanli.jpg

154 ms

zhinengmencianli.jpg

zhinengmencianli.jpg

153 ms

sprites.png

sprites.png

64 ms

1.jpg

1.jpg

71 ms

0.jpg

0.jpg

68 ms

lazyloading.png

lazyloading.png

101 ms

lazyloading.png

lazyloading.png

104 ms

FSK-Industria-Remote-Control.jpg

FSK-Industria-Remote-Control.jpg

158 ms

access

access

1267 ms

push.js

push.js

1434 ms

daohangtiao1.jpg

daohangtiao1.jpg

135 ms

X-daohangtiao2.jpg

X-daohangtiao2.jpg

127 ms

FAQ-daohangtiao.jpg

FAQ-daohangtiao.jpg

127 ms

D-daohangtiao.jpg

D-daohangtiao.jpg

113 ms

ab3.jpg

ab3.jpg

113 ms

lazyload-loading.gif

lazyload-loading.gif

199 ms

shouyegongchangzhanshi8.jpg

shouyegongchangzhanshi8.jpg

367 ms

shouyegongchangzhanshi12.jpg

shouyegongchangzhanshi12.jpg

368 ms

shouyegongchangzhanshi7.jpg

shouyegongchangzhanshi7.jpg

279 ms

shouyegongchangzhanshi4.jpg

shouyegongchangzhanshi4.jpg

287 ms

shouyegongchangzhanshi9.jpg

shouyegongchangzhanshi9.jpg

259 ms

shouyefenlei2-4g.jpg

shouyefenlei2-4g.jpg

394 ms

shouyefenleiFSK.jpg

shouyefenleiFSK.jpg

473 ms

productsshouye-yaokongqi.jpg

productsshouye-yaokongqi.jpg

442 ms

productsshouye-tianxian.jpg

productsshouye-tianxian.jpg

486 ms

DL-CC1310-B-UART-Wireless-SoC-Transceiver-Module-2-_851_851_784_784-216-216.jpg

DL-CC1310-B-UART-Wireless-SoC-Transceiver-Module-2-_851_851_784_784-216-216.jpg

592 ms

lazyloading.png

lazyloading.png

387 ms

gongyekongzhi.jpg

gongyekongzhi.jpg

519 ms

xinnengyuan.jpg

xinnengyuan.jpg

537 ms

zhinengjiaju-guanwang.jpg

zhinengjiaju-guanwang.jpg

586 ms

sanbiao.jpg

sanbiao.jpg

614 ms

lazyloading.png

lazyloading.png

517 ms

logos.png

logos.png

523 ms

dos.gif

dos.gif

533 ms

dos.gif

dos.gif

529 ms

James-Wu.jpg

James-Wu.jpg

530 ms

Accessibility Review

iot-rf.com accessibility score

83

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

Links do not have a discernible name

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

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

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

iot-rf.com best practices score

75

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

iot-rf.com SEO score

89

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iot-rf.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Iot-rf.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

iot-rf.com

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