Tools & Wizards About Us

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

xfseals.com

Security seals, security labels and bags, manufacturers and suppliers-Xinfan Industrial

Page Load Speed

3.1 sec in total

First Response

394 ms

Resources Loaded

2.4 sec

Page Rendered

325 ms

About Website

Visit xfseals.com now to see the best up-to-date Xf Seals content and also check out these interesting facts you probably never knew about xfseals.com

In 2003, our founder moved to Shanghai and established Shanghai Xinfan Industrial Corporation, as our founder has more than 36 years' manufacturing experience, we are one of the container seal supplie...

Visit xfseals.com

Key Findings

We analyzed Xfseals.com page load time and found that the first response time was 394 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

xfseals.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.641

9/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

xfseals.com

394 ms

www.xfseals.com

525 ms

style.css

435 ms

jquery.js

342 ms

sitecommon.js

342 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 38% of them (23 requests) were addressed to the original Xfseals.com, 27% (16 requests) were made to Img01.v15cdn.com and 23% (14 requests) were made to Css02.v15cdn.com. The less responsive or slowest element that took the longest time to load (953 ms) belongs to the original domain Xfseals.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.7 kB (5%)

Content Size

1.0 MB

After Optimization

987.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Xfseals.com main page is 1.0 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. 30% of websites need less resources to load. Images take 940.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 29.2 kB

  • Original 37.5 kB
  • After minification 36.9 kB
  • After compression 8.3 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 29.2 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 6.4 kB

  • Original 940.3 kB
  • After minification 934.0 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. Xf Seals images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 14.0 kB

  • Original 51.6 kB
  • After minification 47.5 kB
  • After compression 37.5 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 14.0 kB or 27% of the original size.

CSS Optimization

-1%

Potential reduce by 102 B

  • Original 7.5 kB
  • After minification 7.5 kB
  • After compression 7.4 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. Xfseals.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (48%)

Requests Now

58

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xf Seals. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

xfseals.com accessibility score

91

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.

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

xfseals.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

xfseals.com SEO score

85

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

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 Xfseals.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 Xfseals.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

Open Graph data is detected on the main page of Xf Seals. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: