Access oty-detector.com. Gas detector|Golf Laser Rangefinder|Gas Leak Detector|Flame detector-Henan Zhong An Electronic Detec...

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value53.1 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value3,110 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value2.254

0/100

15%

TTI (Time to Interactive)

Value22.8 s

1/100

10%

oty-detector.com

198 ms

oty-detector.com

342 ms

style.css

325 ms

jquery.min.js

309 ms

owl.carousel.min.js

230 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 74% of them (81 requests) were addressed to the original Oty-detector.com, 5% (6 requests) were made to Youtube.com and 5% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Oty-detector.com.

Content Size

8.9 MB

After Optimization

8.7 MB

In fact, the total size of Oty-detector.com main page is 8.9 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. Only a small number of websites need less resources to load. Images take 8.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.1 kB

Original 43.4 kB
After minification 43.4 kB
After compression 9.3 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 34.1 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 102.3 kB

Original 8.4 MB
After minification 8.3 MB

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. Oty Detector images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 74.8 kB

Original 318.6 kB
After minification 318.6 kB
After compression 243.9 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 74.8 kB or 23% of the original size.

CSS Optimization

-2%

Potential reduce by 1.9 kB

Original 84.6 kB
After minification 84.6 kB
After compression 82.7 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. Oty-detector.com has all CSS files already compressed.

Requests Now

101

After Optimization

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oty Detector. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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 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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

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 Oty-detector.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 Oty-detector.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

oty-detector.com

Open Graph description is not detected on the main page of Oty Detector. 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

Gas detector|Golf Laser Rangefinder|Gas Leak Detector|Flame detector-Henan Zhong An Electronic Detection Technology CO.,LTD.

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

oty-detector.com

oty-detector.com

style.css

jquery.min.js

owl.carousel.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

oty-detector.com

oty-detector.com

style.css

jquery.min.js

owl.carousel.min.js

email-decode.min.js

stat.php

LsJS.aspx

analyze.js

v84a3a4012de94ce1a686ba8c167c359c1696973893317

gtm.js

Pwunhl8bcSE

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