Quick Search for Journal Impact Factor and Rankings 🔍

Feature Introduction

No need to visit specialized journal query websites. You can directly search for any journal's JCR impact factor, journal quartiles, CAS rankings, and other key information within the PaperPop extension.

Search Steps

Step 1: Open Search Interface

1. Click the PaperPop icon in your browser toolbar 🔧
2. Find the "JCR & IF Search" section in the settings panel

Step 2: Enter Journal Information

Enter journal information in the search box, supporting multiple formats:

Full Journal Name Examples:

• Nature
• Science
• Cell
• The Lancet
• Journal of Machine Learning Research

Journal Abbreviation Examples:

• JMLR (Journal of Machine Learning Research)
• PNAS (Proceedings of the National Academy of Sciences)
• N ENGL J MED (New England Journal of Medicine)

Step 3: Execute Search

1. After entering the journal name, click the "Search" button 🔍
2. Or press Enter for quick search

Step 4: View Results

After a successful search, detailed journal information will be displayed below:

Impact Factor Information 📊

• Current Impact Factor (IF): Shows the latest annual impact factor value
• 5-Year Impact Factor (IF 5Y): Shows the five-year average impact factor
• Color Coding:
  • IF > 5: Excellent Journal
  • 2 < IF ≤ 5: Good Journal
  • 1 < IF ≤ 2: Average Journal
  • IF < 1: Low Impact Factor Journal

Journal Quartile Information 🏆

• JCR Quartiles: Q1, Q2, Q3, Q4 four levels
• CAS Categories: 1st, 2nd, 3rd, 4th tier four levels

Journal Ranking Information 📋

Display relevant rankings based on your settings:

• Core Journals: Peking University Core Journal Catalog
• CSSCI: Chinese Social Sciences Citation Index
• CCF Recommended: China Computer Federation Recommended Journals
• SWJTU Classification: Southwest Jiaotong University Journal Classification

Search Tips 💡

Input Tips

1. Fuzzy Matching Support: No need to enter the complete exact journal name
2. Case Insensitive: nature and Nature have the same effect
3. Automatic Stop Word Processing: Automatically ignores words like The, A, An
4. Full Name Priority: If journal abbreviations don't yield results, try using the full journal name.

Search Results Explanation

No Results Message

If "No results found" is displayed, possible reasons:

• Incorrect journal name input
• Journal not in database (e.g., newly established journals)
• Journal is a conference proceedings, not within journal database scope

Data Source Information

• JCR Data: From the latest 2024 Journal Citation Reports
• CAS Categories: From the latest 2025 Chinese Academy of Sciences Library and Information Center Journal Classification
• Journal Rankings: From authoritative institutions' publicly released journal catalogs -- Compiled from university library and public internet data, may contain errors or delays. Please report any errors to us, thank you~

Practical Use Cases 🎯

1. Before Paper Submission: Quickly understand target journal's impact factor and quartile
2. While Reading Literature: Evaluate the academic level of the journal where papers are published
3. Academic Evaluation: Provide journal quality reference for professional title evaluation and project applications
4. Research Planning: Select journals with appropriate impact factors for submission

Tips 💡

• Search results display in real-time, no need to refresh the page
• You can search multiple journals consecutively, each search will overwrite the previous result
• Recommend bookmarking frequently used journal impact factor information to avoid repeated searches
• PaperPop data is updated regularly to ensure timeliness and accuracy of information