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del.me screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

del.me

Home

Page Load Speed

1.8 sec in total

First Response

191 ms

Resources Loaded

1.5 sec

Page Rendered

174 ms

del.me screenshot

About Website

Visit del.me now to see the best up-to-date Del content and also check out these interesting facts you probably never knew about del.me

Qi Cao, male, born in February 1988, Chinese nationality, PhD in Wuhan University, professor of engineering, adjunct professor.

Visit del.me

Key Findings

We analyzed Del.me page load time and found that the first response time was 191 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

del.me performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

del.me

191 ms

del.me

289 ms

caoqi.org

266 ms

css.css

224 ms

all.js

62 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 20% of them (2 requests) were addressed to the original Del.me, 70% (7 requests) were made to Caoqi.org and 10% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (352 ms) relates to the external source Caoqi.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.9 kB (4%)

Content Size

443.0 kB

After Optimization

425.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Del.me main page is 443.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 328.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 17.8 kB

  • Original 25.3 kB
  • After minification 24.8 kB
  • After compression 7.6 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 17.8 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 65.6 kB
  • After minification 65.6 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. Del images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 17 B

  • Original 328.7 kB
  • After minification 328.7 kB
  • After compression 328.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 77 B

  • Original 23.4 kB
  • After minification 23.4 kB
  • After compression 23.3 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. Del.me has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Del. According to our analytics all requests are already optimized.

Network Requests Diagram

del.me

del.me

191 ms

del.me

del.me

289 ms

caoqi.org

caoqi.org

266 ms

css.css

css.css

224 ms

all.js

all.js

62 ms

bootstrap.min.css

bootstrap.min.css

306 ms

orbit-6.css

orbit-6.css

32 ms

js

js

95 ms

email-decode.min.js

email-decode.min.js

42 ms

photo.png

photo.png

352 ms

Accessibility Review

del.me accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA progressbar elements do not have accessible names.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

del.me 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

General

Impact

Issue

High

Missing source maps for large first-party JavaScript

SEO Factors

del.me 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Del.me 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 Del.me 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

del.me

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