Tools & Wizards About Us
jrsdarts.com screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

jrsdarts.com

葡京游戏官方-葡京游戏平台

Page Load Speed

1.1 sec in total

First Response

191 ms

Resources Loaded

743 ms

Page Rendered

146 ms

jrsdarts.com screenshot

About Website

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

葡京游戏官方是牛津大学的一所学院，始建于1264年，葡京游戏平台是牛津大学最古老、学术实力最强、财力最雄厚的学院之一。

Visit jrsdarts.com

Key Findings

We analyzed Jrsdarts.com page load time and found that the first response time was 191 ms and then it took 889 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

jrsdarts.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

jrsdarts.com

191 ms

styles.css

62 ms

links.js

228 ms

jrsdarts.gif

174 ms

home_off.jpg

175 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Jrsdarts.com and no external sources were called. The less responsive or slowest element that took the longest time to load (415 ms) belongs to the original domain Jrsdarts.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.9 kB (8%)

Content Size

116.0 kB

After Optimization

107.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jrsdarts.com main page is 116.0 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 103.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 7.2 kB

  • Original 10.4 kB
  • After minification 9.4 kB
  • After compression 3.2 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. 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 7.2 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 107 B

  • Original 103.4 kB
  • After minification 103.3 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. Jrsdarts images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 1.6 kB

  • Original 2.2 kB
  • After minification 2.0 kB
  • After compression 602 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 1.6 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript

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

Network Requests Diagram

jrsdarts.com

jrsdarts.com

191 ms

styles.css

styles.css

62 ms

links.js

links.js

228 ms

jrsdarts.gif

jrsdarts.gif

174 ms

home_off.jpg

home_off.jpg

175 ms

store_off.jpg

store_off.jpg

175 ms

tavern_off.jpg

tavern_off.jpg

167 ms

dart_off.jpg

dart_off.jpg

175 ms

contact_off.jpg

contact_off.jpg

228 ms

jrmobile.jpg

jrmobile.jpg

415 ms

bcdarts.gif

bcdarts.gif

357 ms

tabtn2.gif

tabtn2.gif

69 ms

lnkbtn2.gif

lnkbtn2.gif

63 ms

cibtn2.gif

cibtn2.gif

64 ms

home_on.jpg

home_on.jpg

63 ms

Accessibility Review

jrsdarts.com accessibility score

73

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.

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

jrsdarts.com best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jrsdarts.com SEO score

100

Search Engine Optimization Advices

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

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 Jrsdarts.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 Jrsdarts.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

jrsdarts.com

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