Access nudatech.com. 银河yh8858com(中国)有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.239

52/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

nudatech.com

200 ms

www.nudatech.com

471 ms

stylesheet.css

84 ms

slideshow.css

151 ms

jquery-1.7.1.min.js

257 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 97% of them (57 requests) were addressed to the original Nudatech.com, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (539 ms) belongs to the original domain Nudatech.com.

Content Size

763.2 kB

After Optimization

406.9 kB

In fact, the total size of Nudatech.com main page is 763.2 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. Javascripts take 341.9 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 41.1 kB

Original 46.3 kB
After minification 37.7 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. This page needs HTML code to be minified as it can gain 8.6 kB, which is 18% 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 41.1 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 22.4 kB

Original 306.1 kB
After minification 283.7 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. Nudatech images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 233.8 kB

Original 341.9 kB
After minification 334.3 kB
After compression 108.1 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 233.8 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 58.9 kB

Original 69.0 kB
After minification 53.3 kB
After compression 10.0 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. Nudatech.com needs all CSS files to be minified and compressed as it can save up to 58.9 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nudatech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

Page is blocked from indexing

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

ZH
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nudatech.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Nudatech.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

nudatech.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

银河yh8858com(中国)有限公司

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

nudatech.com

www.nudatech.com

stylesheet.css

slideshow.css

jquery-1.7.1.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

nudatech.com

www.nudatech.com

stylesheet.css

slideshow.css

jquery-1.7.1.min.js

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.css

common.js

jquery.cycle.js

jquery.nivo.slider.pack.js

ga.js

logo_Nudatech-332x90.png.png

arrow-down.png

button-search.png

menu.png

facebook.png

googleplus.png

linkedin.png

twitter.png

youtube.png

banner_bloggers_01-180x280-180x280.jpg

banner-Arduino_official_distributor-180-180x93.png

banner-Raspberry_Pi-media_kit-180-180x180.jpg

banner-Arduino_kit-180x180-180x180.jpg

banner-free_UK_delivery-180x140-180x140.jpg

banner-Raspberry_Pi-cards-180-180x180.jpg

Paypal_payment-180-180x65.jpg

slideshow-01-sale.png-765x280.png

slideshow-02-arduino.jpg-765x280.jpg

Mains_charger_UK_5V_1A-persp-640x480-80x80.jpg

Arduino_Ethernet-pers-640x480-80x80.jpg

Arduino_Leonardo-pers-640x480-80x80.jpg

Arduino_Nano-top-640x480-80x80.jpg

Arduino_WirelessProtoShield-persp-640x480-80x80.jpg

Arduino_Wireless_SD_Shield-persp-640x480-80x80.jpg

Case_Blackberry-Raspberry_Pi-persp-640x480-80x80.jpg

Case_Blueberry_Raspberry_Pi-persp-640x480-80x80.jpg

Case_Iceberry_Raspberry_Pi-persp2-640x480-80x80.jpg

Case_Raspberry_Raspberry_Pi-persp-640x480-80x80.jpg

HDMI_cable-v1_4-1_8m-80x80.jpg

hookup_wire_kit-640x480-80x80.jpg

LCD_16x2-front-640x480.jpg-80x80.jpg

Lexar_8GB_class6-persp-640x480-80x80.jpg