Tools & Wizards About Us
gemvaping.com screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

gemvaping.com

北京电子(昆山)有限公司...

Page Load Speed

3.1 sec in total

First Response

701 ms

Resources Loaded

2.2 sec

Page Rendered

220 ms

gemvaping.com screenshot

About Website

Click here to check amazing Gemvaping content. Otherwise, check out these important facts you probably never knew about gemvaping.com

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Key Findings

We analyzed Gemvaping.com page load time and found that the first response time was 701 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

gemvaping.com performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

gemvaping.com

701 ms

215 ms

style.css

212 ms

lfldy.js

411 ms

bg-pc.jpg

844 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Gemvaping.com and no external sources were called. The less responsive or slowest element that took the longest time to load (844 ms) belongs to the original domain Gemvaping.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 kB (1%)

Content Size

206.6 kB

After Optimization

203.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gemvaping.com main page is 206.6 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. Only 10% of websites need less resources to load. Images take 201.3 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 2.4 kB

  • Original 4.1 kB
  • After minification 4.0 kB
  • After compression 1.7 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 2.4 kB or 59% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 201.3 kB
  • After minification 201.3 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. Gemvaping images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 203 B

  • Original 648 B
  • After minification 648 B
  • After compression 445 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 203 B or 31% of the original size.

CSS Optimization

-22%

Potential reduce by 126 B

  • Original 586 B
  • After minification 586 B
  • After compression 460 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. Gemvaping.com needs all CSS files to be minified and compressed as it can save up to 126 B or 22% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gemvaping. According to our analytics all requests are already optimized.

Network Requests Diagram

gemvaping.com

gemvaping.com

701 ms

215 ms

style.css

style.css

212 ms

lfldy.js

lfldy.js

411 ms

bg-pc.jpg

bg-pc.jpg

844 ms

kaiyun.png

kaiyun.png

409 ms

hth.png

hth.png

626 ms

text.png

text.png

422 ms

btn-2.png

btn-2.png

430 ms

btn-1.png

btn-1.png

436 ms

ky_black.png

ky_black.png

613 ms

hth_black.png

hth_black.png

633 ms

Accessibility Review

gemvaping.com accessibility score

54

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

<frame> or <iframe> elements do not have a title

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

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

gemvaping.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

gemvaping.com SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Gemvaping.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 Gemvaping.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

gemvaping.com

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