Tools & Wizards About Us
dblp.uni-trier.de screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

dblp.uni-trier.de

dblp: computer science bibliography

Page Load Speed

1.9 sec in total

First Response

340 ms

Resources Loaded

1.3 sec

Page Rendered

187 ms

dblp.uni-trier.de screenshot

About Website

Welcome to dblp.uni-trier.de homepage info - get ready to check Dblp Uni Trier best content for China right away, or after learning these important things about dblp.uni-trier.de

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

Visit dblp.uni-trier.de

Key Findings

We analyzed Dblp.uni-trier.de page load time and found that the first response time was 340 ms and then it took 1.5 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.uni-trier.de performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.606

10/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

dblp.uni-trier.de

340 ms

dblp-2015-07-09.css

103 ms

open-sans.css

194 ms

jquery-1.11.0.min.js

295 ms

jquery.dblp-2014-08-07.min.js

199 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that all of those requests were addressed to Dblp.uni-trier.de and no external sources were called. The less responsive or slowest element that took the longest time to load (593 ms) belongs to the original domain Dblp.uni-trier.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.3 kB (60%)

Content Size

263.8 kB

After Optimization

104.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dblp.uni-trier.de main page is 263.8 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. 25% of websites need less resources to load. Javascripts take 141.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.7 kB

  • Original 28.1 kB
  • After minification 27.4 kB
  • After compression 6.4 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 21.7 kB or 77% of the original size.

Image Optimization

-20%

Potential reduce by 11.9 kB

  • Original 59.0 kB
  • After minification 47.1 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, Dblp Uni Trier needs image optimization as it can save up to 11.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 95.6 kB

  • Original 141.6 kB
  • After minification 141.3 kB
  • After compression 45.9 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 95.6 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 30.0 kB

  • Original 35.1 kB
  • After minification 25.6 kB
  • After compression 5.0 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. Dblp.uni-trier.de needs all CSS files to be minified and compressed as it can save up to 30.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (59%)

Requests Now

32

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dblp Uni Trier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dblp.uni-trier.de

dblp.uni-trier.de

340 ms

dblp-2015-07-09.css

dblp-2015-07-09.css

103 ms

open-sans.css

open-sans.css

194 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

295 ms

jquery.dblp-2014-08-07.min.js

jquery.dblp-2014-08-07.min.js

199 ms

jquery.cookie-1.2.min.js

jquery.cookie-1.2.min.js

199 ms

encoder-2012-09-23.min.js

encoder-2012-09-23.min.js

201 ms

buckets-1.0.min.js

buckets-1.0.min.js

202 ms

dblp-2016-02-04.min.js

dblp-2016-02-04.min.js

286 ms

dblp-search-2015-09-04.min.js

dblp-search-2015-09-04.min.js

350 ms

dblp-ui-2015-09-04.min.js

dblp-ui-2015-09-04.min.js

374 ms

logo.png

logo.png

185 ms

search.dark.16x16.png

search.dark.16x16.png

186 ms

waiting.anim.gif

waiting.anim.gif

224 ms

clear-mark.medium.16x16.png

clear-mark.medium.16x16.png

225 ms

top.dark.16x16.png

top.dark.16x16.png

224 ms

bottom.dark.16x16.png

bottom.dark.16x16.png

225 ms

datastock.dark.16x16.png

datastock.dark.16x16.png

225 ms

eye.dark.16x16.png

eye.dark.16x16.png

226 ms

n.png

n.png

286 ms

utr.icon.16x16.png

utr.icon.16x16.png

294 ms

dagstuhl.icon.16x16.png

dagstuhl.icon.16x16.png

296 ms

recordsindblp.png

recordsindblp.png

394 ms

opendata.80x15.blue.png

opendata.80x15.blue.png

309 ms

rss.dark.16x16.png

rss.dark.16x16.png

312 ms

logo_twitter.png

logo_twitter.png

382 ms

logo_facebook.png

logo_facebook.png

391 ms

logo_gplus.png

logo_gplus.png

394 ms

logo_linkedin.png

logo_linkedin.png

409 ms

utr-logo-bottom.png

utr-logo-bottom.png

413 ms

lzi-logo-bottom.png

lzi-logo-bottom.png

477 ms

w3c-valid-html.80x15.gray.png

w3c-valid-html.80x15.gray.png

487 ms

dropdown.dark.16x16.png

dropdown.dark.16x16.png

359 ms

OpenSans-Regular.woff

OpenSans-Regular.woff

502 ms

OpenSans-Light.woff

OpenSans-Light.woff

528 ms

OpenSans-Semibold.woff

OpenSans-Semibold.woff

535 ms

OpenSans-Bold.woff

OpenSans-Bold.woff

581 ms

OpenSans-Extrabold.woff

OpenSans-Extrabold.woff

593 ms

Accessibility Review

dblp.uni-trier.de accessibility score

68

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

dblp.uni-trier.de 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.uni-trier.de SEO score

64

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Dblp.uni-trier.de 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 Dblp.uni-trier.de 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.uni-trier.de

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