Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

blog.unvs.cn

Unvs博客 - 专注于项目设计、网站开发

Page Load Speed

50.1 sec in total

First Response

12.3 sec

Resources Loaded

37.4 sec

Page Rendered

508 ms

blog.unvs.cn screenshot

About Website

Welcome to blog.unvs.cn homepage info - get ready to check Blog Unvs best content for China right away, or after learning these important things about blog.unvs.cn

Unvs'blog是陈宇衡的个人博客,关注网站开发运营、项目设计管理,分享工作中的心得领悟,记录生活中的点点滴滴!

Visit blog.unvs.cn

Key Findings

We analyzed Blog.unvs.cn page load time and found that the first response time was 12.3 sec and then it took 37.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

blog.unvs.cn performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

blog.unvs.cn

12276 ms

style.css

4951 ms

jquery.min.js

19739 ms

theme.js

4393 ms

stat.php

2713 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 35% of them (8 requests) were addressed to the original Blog.unvs.cn, 26% (6 requests) were made to 0.gravatar.com and 17% (4 requests) were made to 1.gravatar.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Blog.unvs.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.5 kB (67%)

Content Size

76.8 kB

After Optimization

25.3 kB

In fact, the total size of Blog.unvs.cn main page is 76.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 49.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.9 kB

  • Original 49.9 kB
  • After minification 46.9 kB
  • After compression 11.0 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 38.9 kB or 78% of the original size.

Image Optimization

-35%

Potential reduce by 5.7 kB

  • Original 16.2 kB
  • After minification 10.5 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. Obviously, Blog Unvs needs image optimization as it can save up to 5.7 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 6.9 kB

  • Original 10.7 kB
  • After minification 10.7 kB
  • After compression 3.8 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 6.9 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (50%)

Requests Now

18

After Optimization

9

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Unvs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

blog.unvs.cn accessibility score

57

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

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

Form elements do not have associated labels

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

blog.unvs.cn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

blog.unvs.cn SEO score

90

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

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

    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 Blog.unvs.cn 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 Blog.unvs.cn 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 description is not detected on the main page of Blog Unvs. 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: