Tools & Wizards About Us
serialgear.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

serialgear.com

USB Serial Adapter RS-232 Serial Adapter USB serial rs485 Multi I/O RS-422

Page Load Speed

20.4 sec in total

First Response

131 ms

Resources Loaded

20 sec

Page Rendered

250 ms

serialgear.com screenshot

About Website

Visit serialgear.com now to see the best up-to-date Serial Gear content for Russia and also check out these interesting facts you probably never knew about serialgear.com

USB serial adapter multi port USB to Serial Rs-232 Adapters. We have all RS-232, RS-422 and RS-485 Communication Device On-SALE!

Visit serialgear.com

Key Findings

We analyzed Serialgear.com page load time and found that the first response time was 131 ms and then it took 20.3 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

serialgear.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.149

76/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

serialgear.com

131 ms

www.serialgear.com

371 ms

style.css

73 ms

serial_gear_header.jpg

161 ms

advse.jpg

69 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 83% of them (59 requests) were addressed to the original Serialgear.com, 15% (11 requests) were made to Coolgear.com and 1% (1 request) were made to Stats.cableo.com. The less responsive or slowest element that took the longest time to load (19.5 sec) relates to the external source Stats.cableo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.2 kB (27%)

Content Size

304.1 kB

After Optimization

221.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Serialgear.com main page is 304.1 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. 20% of websites need less resources to load. Images take 218.9 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 75.1 kB

  • Original 84.2 kB
  • After minification 63.6 kB
  • After compression 9.1 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 20.6 kB, which is 24% 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 75.1 kB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 6.3 kB

  • Original 218.9 kB
  • After minification 212.6 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. Serial Gear images are well optimized though.

CSS Optimization

-74%

Potential reduce by 772 B

  • Original 1.0 kB
  • After minification 863 B
  • After compression 270 B

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. Serialgear.com needs all CSS files to be minified and compressed as it can save up to 772 B or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (49%)

Requests Now

68

After Optimization

35

  • Images
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serial Gear. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

serialgear.com

serialgear.com

131 ms

www.serialgear.com

www.serialgear.com

371 ms

style.css

style.css

73 ms

serial_gear_header.jpg

serial_gear_header.jpg

161 ms

advse.jpg

advse.jpg

69 ms

go.jpg

go.jpg

69 ms

line.jpg

line.jpg

86 ms

acards1.gif

acards1.gif

95 ms

fedexups.gif

fedexups.gif

97 ms

ta1bot.jpg

ta1bot.jpg

98 ms

cat.jpg

cat.jpg

100 ms

line1.jpg

line1.jpg

99 ms

stre1.jpg

stre1.jpg

127 ms

ssUSBG-8X-RS232.jpg

ssUSBG-8X-RS232.jpg

419 ms

usbgear-usb-a-plug4.gif

usbgear-usb-a-plug4.gif

96 ms

lin41.jpg

lin41.jpg

97 ms

null-modem-serial-cable-female-female.gif

null-modem-serial-cable-female-female.gif

98 ms

db-25-serial-usb-adapter.gif

db-25-serial-usb-adapter.gif

100 ms

ta2top.jpg

ta2top.jpg

127 ms

usb-serial-adapte-for-windows-8.jpg

usb-serial-adapte-for-windows-8.jpg

158 ms

ctl.gif

ctl.gif

129 ms

ctc.gif

ctc.gif

130 ms

pic14.jpg

pic14.jpg

131 ms

cbl.gif

cbl.gif

156 ms

cbc.gif

cbc.gif

158 ms

MSD-SRF4Xss.jpg

MSD-SRF4Xss.jpg

432 ms

USBG-8COM-Mss.jpg

USBG-8COM-Mss.jpg

432 ms

U232-P9sss.jpg

U232-P9sss.jpg

433 ms

USB-4COMi-SI-Ms.jpg

USB-4COMi-SI-Ms.jpg

433 ms

USBG-232FT-1.gif

USBG-232FT-1.gif

416 ms

USB-16COM-RMs.jpg

USB-16COM-RMs.jpg

455 ms

SS-232-1P9ss.jpg

SS-232-1P9ss.jpg

444 ms

USBG-4X-RS232ss.jpg

USBG-4X-RS232ss.jpg

455 ms

SS-232-2P9s.jpg

SS-232-2P9s.jpg

454 ms

USBG-BAY4sssssss.jpg

USBG-BAY4sssssss.jpg

456 ms

amazon240.png

amazon240.png

170 ms

usb-serial-mini-2-small3.gif

usb-serial-mini-2-small3.gif

138 ms

ta3bot.jpg

ta3bot.jpg

138 ms

adve.jpg

adve.jpg

161 ms

4port56327.gif

4port56327.gif

162 ms

ta6bot.jpg

ta6bot.jpg

164 ms

dual-port-serial-pci-card.gif

dual-port-serial-pci-card.gif

168 ms

serial-cable-db-9.gif

serial-cable-db-9.gif

171 ms

quad-usb-serial-adapter-rs-232-prolific-chip.gif

quad-usb-serial-adapter-rs-232-prolific-chip.gif

212 ms

bluetooth-serial-adapter.gif

bluetooth-serial-adapter.gif

211 ms

db-9-gender-changers.gif

db-9-gender-changers.gif

212 ms

pci-serial-card-db-9-rs-232.gif

pci-serial-card-db-9-rs-232.gif

212 ms

pic47.jpg

pic47.jpg

212 ms

coolgear-logo-140.jpg

coolgear-logo-140.jpg

212 ms

usb-logos.jpg

usb-logos.jpg

222 ms

piwik.js

piwik.js

19502 ms

m1.gif

m1.gif

205 ms

m2.gif

m2.gif

208 ms

m3.gif

m3.gif

210 ms

m4.gif

m4.gif

204 ms

m5.gif

m5.gif

207 ms

m6.gif

m6.gif

224 ms

m7.gif

m7.gif

222 ms

m9.gif

m9.gif

227 ms

ta1top.jpg

ta1top.jpg

201 ms

ta1bg.jpg

ta1bg.jpg

202 ms

cto.gif

cto.gif

205 ms

cbs.gif

cbs.gif

222 ms

cb.gif

cb.gif

221 ms

ta3top.jpg

ta3top.jpg

203 ms

ta4bg.jpg

ta4bg.jpg

201 ms

tabg4bg.jpg

tabg4bg.jpg

199 ms

ta42.jpg

ta42.jpg

205 ms

ta5top.jpg

ta5top.jpg

218 ms

ta6bg.jpg

ta6bg.jpg

195 ms

ta7bg.jpg

ta7bg.jpg

202 ms

Accessibility Review

serialgear.com accessibility score

80

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

serialgear.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

serialgear.com SEO score

91

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

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Serialgear.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 Serialgear.com main page’s claimed encoding is iso-8859-1. 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

serialgear.com

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