Tools & Wizards About Us
roger-tech.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

roger-tech.com

ROGER Technology Limited - Capacitor Resistors Inductors Filters - Passive Components Distributor

Page Load Speed

971 ms in total

First Response

123 ms

Resources Loaded

686 ms

Page Rendered

162 ms

roger-tech.com screenshot

About Website

Click here to check amazing ROGER Tech content. Otherwise, check out these important facts you probably never knew about roger-tech.com

ROGER Technology Limited is a distributor of Capacitor Resistors Inductors Filters, we sell all series Passive Components. Work with us, save your cost.

Visit roger-tech.com

Key Findings

We analyzed Roger-tech.com page load time and found that the first response time was 123 ms and then it took 848 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

roger-tech.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.129

82/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

roger-tech.com

123 ms

www.roger-tech.com

106 ms

roger-tech.css

15 ms

index.css

87 ms

email-decode.min.js

7 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that all of those requests were addressed to Roger-tech.com and no external sources were called. The less responsive or slowest element that took the longest time to load (423 ms) belongs to the original domain Roger-tech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.5 kB (16%)

Content Size

402.8 kB

After Optimization

338.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Roger-tech.com main page is 402.8 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. 35% of websites need less resources to load. Images take 373.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.6 kB

  • Original 21.8 kB
  • After minification 21.6 kB
  • After compression 5.2 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 16.6 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 47.2 kB

  • Original 373.5 kB
  • After minification 326.3 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. Obviously, ROGER Tech needs image optimization as it can save up to 47.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 17 B

  • Original 655 B
  • After minification 655 B
  • After compression 638 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.

CSS Optimization

-9%

Potential reduce by 628 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 6.2 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. Roger-tech.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

39

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ROGER Tech. 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 as a result speed up the page load time.

Network Requests Diagram

roger-tech.com

roger-tech.com

123 ms

www.roger-tech.com

www.roger-tech.com

106 ms

roger-tech.css

roger-tech.css

15 ms

index.css

index.css

87 ms

email-decode.min.js

email-decode.min.js

7 ms

jquery-3.1.0.min.js

jquery-3.1.0.min.js

46 ms

jquery.drawer.min.js

jquery.drawer.min.js

21 ms

roger-tech.js

roger-tech.js

22 ms

logo.png

logo.png

14 ms

2020041116560701061.jpg

2020041116560701061.jpg

118 ms

2020040316314892541.jpg

2020040316314892541.jpg

147 ms

medium_SiTime.jpg

medium_SiTime.jpg

29 ms

20181128182058478640.jpg

20181128182058478640.jpg

116 ms

medium_Panasonic.jpg

medium_Panasonic.jpg

117 ms

20181129182050074156.jpg

20181129182050074156.jpg

137 ms

medium_Luminary-Micro-Texas-Instruments.jpg

medium_Luminary-Micro-Texas-Instruments.jpg

158 ms

20181130182049173810.jpg

20181130182049173810.jpg

175 ms

medium_Diodes-Incorporated.jpg

medium_Diodes-Incorporated.jpg

191 ms

20181204182034762756.jpg

20181204182034762756.jpg

135 ms

medium_Yageo.jpg

medium_Yageo.jpg

145 ms

medium_Stackpole-Electronics,Inc.jpg

medium_Stackpole-Electronics,Inc.jpg

219 ms

medium_Schurter.jpg

medium_Schurter.jpg

258 ms

medium_Microsemi.jpg

medium_Microsemi.jpg

217 ms

medium_Micrel-Microchip-Technology.jpg

medium_Micrel-Microchip-Technology.jpg

239 ms

medium_Maxim-Integrated.jpg

medium_Maxim-Integrated.jpg

245 ms

medium_Knowles-Syfer.jpg

medium_Knowles-Syfer.jpg

272 ms

medium_KEMET.jpg

medium_KEMET.jpg

334 ms

medium_IDT-(Integrated-Device-Technology).jpg

medium_IDT-(Integrated-Device-Technology).jpg

294 ms

medium_Hamlin-Littelfuse.jpg

medium_Hamlin-Littelfuse.jpg

316 ms

medium_Electro-Films-(EFI)-Vishay.jpg

medium_Electro-Films-(EFI)-Vishay.jpg

318 ms

medium_Energy-Micro-(Silicon-Labs).jpg

medium_Energy-Micro-(Silicon-Labs).jpg

333 ms

medium_Dale-Vishay.jpg

medium_Dale-Vishay.jpg

340 ms

medium_AMI-Semiconductor-ON-Semiconductor.jpg

medium_AMI-Semiconductor-ON-Semiconductor.jpg

367 ms

medium_AVX-Corporation.jpg

medium_AVX-Corporation.jpg

423 ms

medium_ADI-(Analog-Devices,Inc.).jpg

medium_ADI-(Analog-Devices,Inc.).jpg

400 ms

medium_Abracon-Corporation.jpg

medium_Abracon-Corporation.jpg

342 ms

language_21.png

language_21.png

297 ms

language_doc.png

language_doc.png

239 ms

search_doc.png

search_doc.png

242 ms

category_doc.png

category_doc.png

314 ms

drawer.min.css

drawer.min.css

29 ms

Accessibility Review

roger-tech.com accessibility score

76

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.

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

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

roger-tech.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

roger-tech.com SEO score

79

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Roger-tech.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 Roger-tech.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

roger-tech.com

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