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dblp.org screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

dblp.org

dblp: computer science bibliography

Page Load Speed

1.8 sec in total

First Response

367 ms

Resources Loaded

1.2 sec

Page Rendered

156 ms

dblp.org screenshot

About Website

Click here to check amazing Dblp content for China. Otherwise, check out these important facts you probably never knew about dblp.org

The dblp computer science bibliography is the online reference for open bibliographic information on major computer science journals and proceedings.

Visit dblp.org

Key Findings

We analyzed Dblp.org page load time and found that the first response time was 367 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dblp.org performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.566

12/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

dblp.org

367 ms

index.php

127 ms

logging.css

106 ms

logging.js

201 ms

autocomplete.js

310 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Dblp.org and no external sources were called. The less responsive or slowest element that took the longest time to load (367 ms) belongs to the original domain Dblp.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.7 kB (88%)

Content Size

152.7 kB

After Optimization

19.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Dblp.org main page is 152.7 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. 15% of websites need less resources to load. Javascripts take 120.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 25.2 kB

  • Original 31.2 kB
  • After minification 27.8 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 3.5 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.2 kB or 81% of the original size.

JavaScript Optimization

-90%

Potential reduce by 108.0 kB

  • Original 120.7 kB
  • After minification 50.7 kB
  • After compression 12.7 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 108.0 kB or 90% of the original size.

CSS Optimization

-66%

Potential reduce by 516 B

  • Original 783 B
  • After minification 517 B
  • After compression 267 B

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. Dblp.org needs all CSS files to be minified and compressed as it can save up to 516 B or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (33%)

Requests Now

9

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dblp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dblp.org

dblp.org

367 ms

index.php

index.php

127 ms

logging.css

logging.css

106 ms

logging.js

logging.js

201 ms

autocomplete.js

autocomplete.js

310 ms

utils.js

utils.js

211 ms

history.js

history.js

212 ms

autocomplete.css

autocomplete.css

212 ms

Logo.gif

Logo.gif

106 ms

no_progress_W.gif

no_progress_W.gif

102 ms

no_progress_F.gif

no_progress_F.gif

102 ms

Accessibility Review

dblp.org accessibility score

82

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.

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

dblp.org best practices score

75

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

SEO Factors

dblp.org SEO score

71

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dblp.org can be misinterpreted by Google and other search engines. Our service has detected that English 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 Dblp.org 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

dblp.org

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